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# AIRCONDLOUNGE DOTCOM

## Sitemaps
- [XML Sitemap](https://aircondlounge.com/sitemap_index.xml): Includes all crawlable and indexable pages.

## Posts
- [5 Best Portable Air Conditioners (2026): Top Pick for Every Room](https://aircondlounge.com/best-portable-ac/): If you’re looking for a portable air conditioner, choose a model with sufficient DOE/SACC cooling capacity, manageable noise and an exhaust configuration suitable for your room.
- [Mini Split Alternatives: 4 Best Options Compared](https://aircondlounge.com/mini-split-alternatives/): Basic fixed-speed PTACs that rely primarily on electric resistance heating are poor mini split alternatives because of their cycling noise and high heating energy use.
- [Psychrometric Chart](https://aircondlounge.com/psychrometric-chart/): Use this free interactive psychrometric chart to analyze the temperature, moisture content, relative humidity, wet-bulb temperature, dew point, enthalpy, and specific volume of moist air. Move across the chart to inspect air properties, switch between IP and SI units, and zoom into any area for closer analysis.
- [Psychrometric Calculator](https://aircondlounge.com/psychrometric-calculator/): Use this psychrometric calculator to determine the properties of moist air from dry-bulb temperature and either wet-bulb temperature or relative humidity. The calculator supports both IP and SI units and adjusts atmospheric pressure based on the entered altitude.
- [Mini Split Energy Consumption Calculator](https://aircondlounge.com/mini-split-energy-consumption-calculator/): Use the calculator below to estimate the daily, monthly, and annual electricity consumption of a mini split, together with its estimated operating cost. The result is an estimate of typical seasonal energy use. Actual electricity consumption can be higher or lower depending on operating conditions.
- [Mini Split Sizing Calculator](https://aircondlounge.com/mini-split-sizing-calculator/): Use the mini split sizing calculator below to estimate the cooling capacity required for a bedroom, living room, home office, sunroom, garage, or another residential space. The calculator will estimate the cooling load and recommend the nearest common mini split capacity.
- [BTU Calculator](https://aircondlounge.com/btu-calculator/): Use this BTU calculator to estimate the cooling or heating capacity required for a room. Enter the room dimensions and select the conditions that best represent the space. The calculator considers room area, ceiling height, insulation level, occupancy, sun exposure, summer climate, room type, and heating temperature difference.
- [Heat Load Calculator](https://aircondlounge.com/heat-load-calculator/): Use this heat load calculator to estimate the cooling capacity required for a room by entering the room dimensions, number of occupants, window dimensions, window orientation, and whether the house is insulated.
- [Duct Size Calculator](https://aircondlounge.com/duct-size-calculator/): Use this duct size calculator to estimate the required rectangular and round duct size based on airflow and either target friction rate or target air velocity. You can toggle between IP or SI unit. Hybrid unit practitioners can use the MY mode.
- [CFM Calculator](https://aircondlounge.com/cfm-calculator/): Use this CFM calculator to estimate the HVAC airflow required for your room based on Air Changes per Hour (ACH). It is useful for air conditioning, ventilation, toilet exhaust, kitchen exhaust, and general air circulation calculations.
- [Duct Friction Loss Calculator](https://aircondlounge.com/duct-friction-loss-calculator/): Use the duct friction loss calculator below to calculate the friction loss of rectangular ducts using airflow and duct size. Supports IP units and SI units with friction loss in in.wg/100 ft or Pa/m.
- [Why Is My Room Still Humid with the Air Conditioner On?](https://aircondlounge.com/room-still-humid-with-air-conditioner-on/): A room can still feel humid with the air conditioner on if the air conditioner is not removing enough moisture, or if moisture is entering the room faster than the air conditioner can remove it.
- [6 Best Window ACs for Large Rooms (2026): For 500-700+ Sq Ft](https://aircondlounge.com/best-window-ac-for-large-room/): Struggling with hot stuffy air in a spacious living room open-concept apartment or big master bedroom? The best window AC for large rooms provides robust 12,000-24,000+ BTU cooling to handle 500-1500+ square feet effectively while delivering energy savings quiet performance and modern conveniences that make summer bearable again.
- [6 Quietest Window ACs (2026): Sleep-Friendly Picks](https://aircondlounge.com/quietest-window-ac/): If you’re searching for the quietest window ACs in 2026, these top models deliver powerful cooling with minimal noise, perfect for bedrooms, nurseries, or home offices where silence is essential. Advanced inverter technology and innovative designs keep sound levels as low as 32–44 dB.
- [5 Best Window ACs with Heat (2026): Top All-in-One Units](https://aircondlounge.com/best-window-ac-with-heat/): If you’re looking for a window air conditioner that can also provide heat, you need a true all-in-one heat pump unit, not just a model with a basic electric heater strip. The best window ACs with heat in 2026 combine efficient cooling, reliable heat-pump heating, quiet operation, and smart features in a single easy-to-install package.
- [Mini Split Cover Ideas: 9 Ways to Hide Your Mini Split](https://aircondlounge.com/mini-split-cover-ideas/): Some people are not satisfied with the appearance of mini splits. They want to cover up the indoor unit to make their living room and bedroom look better, and hide the outdoor unit to improve their house's exterior aesthetic.
- [Mini Split vs Central Air: 7 Key Metrics Compared](https://aircondlounge.com/mini-split-vs-central-air/): Central air systems are the traditional HVAC systems found in many homes. Nowadays, mini splits are emerging not just as an add-on HVAC solution, but also as an alternative whole-house HVAC system. Mini split vs central air, which one should you use?
- [Mini Split vs Heat Pump: What’s the Difference?](https://aircondlounge.com/mini-split-vs-heat-pump/): Mini split and heat pump are two common terms used in residential HVAC systems. They are referred to as two different systems, but in certain cases, they can be comparable. In this post, I'll explain the difference between mini split and heat pump.
- [High Humidity in House: How to Fix AC High Humidity?](https://aircondlounge.com/high-humidity-in-house/): High humidity in house is a serious problem, but sometimes hard to fix because it can quickly become a technical issue, especially when it involves your AC system, which it often does. If you're facing high humidity in house with AC running, this post could lead you to the right solution.
- [AC Low Air Flow: 4 Ways to Fix Weak Airflow from Vents](https://aircondlounge.com/ac-low-air-flow/): AC low air flow is a common issue faced by many people and it is tricky to fix as there are several reasons. If you have weak air flow coming out of vents in your house. See if this post can help you identify the potential cause.
- [How PICV Works? (In-Depth Explanation w/ Diagram)](https://aircondlounge.com/how-picv-work/): PICVs are used in modern chilled water systems. They are fitted in AHUs and FCUs to regulate chilled water flow accurately. I have hands-on experience with PICVs. So, in this post, I'll explain everything you need to know about PICVs.
- [Best Position for Air Conditioner in Bedroom (8 Positions Reviewed)](https://aircondlounge.com/best-position-for-air-conditioner-in-bedroom/): The best position for air conditioner in bedroom combines comfort, cost and maintenance factors. In this post, I'll outline some of the important things to consider and review some of the most common positions for air conditioner in bedroom.
- [Fujitsu Mini Split Remote Symbols Explained](https://aircondlounge.com/fujitsu-mini-split-remote-symbols-explained/): Fujitsu is one of the most popular mini split brands. One of the reasons is Fujitsu mini splits have a lot of functions and features that can be activated using their remote controller.
- [8 Types of HVAC Jobs: Find Your Perfect Job](https://aircondlounge.com/types-of-hvac-jobs/): HVAC is a large industry and there are many HVAC jobs needed for different tasks. If you're just getting started, you might want to know some of the common HVAC jobs on the market, what they do, what are the requirements and what the future of the job looks like.
- [How Chiller Work: 7 Essential Facts of Chiller Working Principle](https://aircondlounge.com/how-chiller-work/): How chiller work is a common question in HVAC, especially when this is your first time working with a chiller. To understand how a chiller works, you need to know the chiller working principle, a process based on the vapor-compression cycle that removes heat from water and rejects it to the environment.
- [Can Mini Splits Be Installed in the Ceiling?](https://aircondlounge.com/can-mini-split-in-ceiling/): A mini split in ceiling is an excellent option for anyone looking to combine energy efficiency with subtle, space-saving design. Whether you go for a recessed cassette or a ceiling-suspended unit, these systems offer quiet, effective heating and cooling without dominating your wall space.
- [Can a Mini Split Cool a Whole House?](https://aircondlounge.com/can-mini-split-cool-whole-house/): But is a whole house mini split right for your home? In the sections below, we’ll explore how these systems work, what to consider before installation, and whether they’re the best fit for your layout and budget.
- [2026’s Best Mini Splits: Top 6 Picks for Every Home](https://aircondlounge.com/best-mini-split/): Mini splits redefine home comfort with ductless cooling and heating, perfect for any space. As 2026 brings cutting-edge models, choosing the right one is key. I’ve explored top systems that stood out from the crowd to guide you through the best mini splits.
- [6 Best Mini Splits for Heating (2026): Cold Climate Picks](https://aircondlounge.com/best-mini-split-for-heating/): Mini split heat pumps provide efficient heating for homes without ductwork. With advancements in inverter technology, 2026 offers exceptional mini splits tailored to specific needs, from extreme cold performance to ultra-quiet operation. I've evaluated top mini splits for heating to help you choose.
- [5 Best 110V Mini Splits (2026): Top Plug-and-Play Picks](https://aircondlounge.com/best-110v-mini-split/): Mini splits deliver efficient climate control, and 110V models stand out for their ease, connecting to standard outlets without complex wiring upgrades. Ideal for small spaces like apartments or cabins, they ensure reliable cooling and heating. I’ve analyzed leading options to present 2026’s best 110V mini splits, focusing on performance, usability, and tailored features.
- [Mini Split Bracket Guide: Why They Matter and Top Picks](https://aircondlounge.com/mini-split-bracket/): Mini splits transform home comfort with efficient cooling and heating, but their outdoor condensers need solid support to perform at their best. This guide explains why brackets matter, explores different types of brackets, and helps you pick the right one with recommendations.
- [8 Most Efficient Mini Splits (2026):  Maximum Energy Savings](https://aircondlounge.com/most-efficient-mini-split/): Energy efficiency powers 2026’s top mini splits, minimizing electricity use while maximizing comfort. High SEER and HSPF ratings define the most efficient models, cutting costs across BTU ranges. I’ve selected eight standout mini splits to detail their efficiency specs: SEER, HSPF and more, offering data-driven insights for your choice.
- [5 Smartest Mini Splits for 2026: Top Features Unveiled](https://aircondlounge.com/best-smart-mini-split/): Smart technology transforms home climate control. Mini splits with advanced features bring efficiency and precision beyond traditional HVAC systems. In 2026, rare smart capabilities set top models apart, making them the smartest mini splits for tech-savvy homes. I’ve selected five standout options to explore their innovative features and everyday benefits, showcasing some of the best smart mini splits available.
- [5 Best Mini Splits for Garages: Top Picks for 2026](https://aircondlounge.com/best-mini-split-for-garage/): Garages can be converted into workshops, offices and playrooms. However, they’re tough to climate-control because of poor insulation and temperature swings. Mini splits offer a ductless solution and they heat and cool garages efficiently. I’ve researched 2026’s top models to help you choose.
- [5 Quietest Mini Splits (2026): Ultra-Silent Cooling & Heating Solutions](https://aircondlounge.com/quietest-mini-split/): Mini splits have a range of quietness. If you're looking for a mini split that operates whisper-quiet, whether for a bedroom, office or home theater, this guide is for you.
- [5 Best DIY Mini Splits (2026): Easiest Ductless Systems to Install Yourself](https://aircondlounge.com/best-diy-mini-split/): If you're looking for a mini split system that you can install yourself, you need a model that includes pre-charged refrigerant lines, easy mounting hardware, and clear installation instructions.
- [HVAC Costing Guide: How to Evaluate HVAC Installation Cost](https://aircondlounge.com/hvac-costing-guide/): Whether you're a design engineer (consultant), project manager or business owner, costing is a big part of your work. As an engineer, we not only need to understand various HVAC systems, but we also need to know how to evaluate the cost so that we can advise our clients accordingly.
- [Duct Elbows Explained: Types, Radius, Pressure Loss & Efficiency Tips](https://aircondlounge.com/duct-elbows-types-radius-pressure-loss-efficiency/): Duct elbows are essential components in HVAC ductwork, allowing air to change direction while maintaining efficient airflow. However, not all duct elbows are created equal. Their design, turning radius, and placement significantly impact system pressure drop, airflow resistance, and overall energy efficiency.
- [ASHRAE Standard: What Every HVAC Engineer Should Know](https://aircondlounge.com/ashrae-standard-what-every-hvac-engineer-should-know/): ASHRAE (American Society of Heating, Refrigerating, and Air-Conditioning Engineers) develops standards that establish best practices, guidelines, and performance requirements for HVAC systems, energy efficiency, indoor air quality, and building sustainability. These standards ensure safety, reliability, and efficiency in heating, ventilation, air conditioning, and refrigeration (HVAC&R) systems.
- [Aircond HP Calculation: How Many HP Do You Need?](https://aircondlounge.com/aircond-hp-calculation-how-many-hp-do-you-need/): Air conditioners or airconds are becoming a necessity in Malaysia with the ever-increasing hot weather. If you're getting a new aircond for your house, you'll need to know how many HP you need for your bedroom, living room and other rooms. In this article, I'll guide you on how to calculate aircond HP.
- [How Long Do Mini Splits Last? (My Experiences)](https://aircondlounge.com/how-long-do-mini-splits-last/): Mini splits are relatively new to some people. They are compact and lightweight yet, full of features and controls. This makes people wonder if mini splits can last long. So, I'll share a little bit of my experience and what are some of the important parts to take care of if you want to have a long-lasting mini split.
- [Daikin Mini Split Remote Symbols Explained](https://aircondlounge.com/daikin-mini-split-remote-symbols-explained/): Daikin is one of the most popular mini split brands. One of the reasons is Daikin mini splits have a lot of functions and features that can be activated using their remote controller.
- [Using a Mini Split in a Garage: Pros/Cons & Considerations](https://aircondlounge.com/using-a-mini-split-in-a-garage-pros-cons-considerations/): Garages in residential houses can be repurposed into a workshop, gym or other uses. As the time spent in the garage increases, heating and cooling are needed as much as the rest of the house. Mini splits seem like a viable choice but what are the potential downsides?
- [How to Do Manual J Calculation? (A Step-by-Step Guide)](https://aircondlounge.com/how-to-do-manual-j-calculation/): Manual J calculation is often required for authorities to approve the construction of new homes in the United States. However, many homeowners struggle to get it done. So, this post will provide a step-by-step guide on how to do Manual J calculation based on the 7th edition.
- [Mini Split Inverter Explained – What is Inverter Technology](https://aircondlounge.com/mini-split-inverter-explained/): The word Inverter is used repetitively in many mini split marketing materials, for example, in their catalog, in the product titles of Amazon, Home Depot, Lowe's and other stores. It looks like inverter is a key feature of mini split. So, what inverter means and why is it so important to mini splits?
- [Chilled Water Coil: Overview, Design & Selection Guide](https://aircondlounge.com/chilled-water-coil/): In a chilled water system, the cooling coil used in air handling units (AHUs) and fan coil units (FCUs) is known as chilled water coils. As the name suggests, chilled water coils use the chilled water produced by chillers to cool and dehumidify the air. There are many things involved in the design and selection of chilled water coils.
- [Chilled Water System: The Ultimate Guide (Types & Diagrams)](https://aircondlounge.com/chilled-water-system-ultimate-guide/): Chilled water systems are considered the holy grail of air conditioning. They are big, complex and yet used in some of the tallest buildings in the world like the Burj Khalifa in Dubai, the Merdeka 118 in Malaysia and many more.
- [Common Mini Split Error Codes and How to Fix Them](https://aircondlounge.com/common-mini-split-error-codes-and-how-to-fix-them/): There are many types of mini splits and brands. Every one of them uses different error codes to indicate faulty and malfunctions. However, some error codes happen to be used by manufacturers repetitively.
- [Commercial Kitchen Ventilation (CKV) Exhaust Calculation](https://aircondlounge.com/commercial-kitchen-ventilation-ckv-exhaust-calculation/): Commercial kitchen ventilation (CKV) is a standalone ventilation system. It is different from other ventilation and exhaust systems. Engineers and kitchen specialists often use the rule of thumb (cfm per linear foot) to estimate the exhaust requirement. But, is there a way to calculate it?
- [HVAC Symbols and Meanings (50+ Symbols Explained)](https://aircondlounge.com/hvac-symbols-and-meanings-50-symbols-explained/): HVAC drawings, schematics and single line diagrams contain a lot of symbols. These symbols represent the devices, equipment and components used in the HVAC system. Beginners often struggle to understand what these symbols mean. So, I made a table to explain the meaning of these common HVAC symbols.
- [What is a Water-Cooled Packaged Unit?](https://aircondlounge.com/what-is-a-water-cooled-packaged-unit/): If you're working in the HVAC industry, you might heard of water-cooled package unit. Water-cooled packaged units are not as common as some other types of air conditioners. So, what is a water-cooled packaged unit and how does it work?
- [Mini Split Installation Cost Calculator, Breakdown and Savings](https://aircondlounge.com/mini-split-installation-cost/): The cost to purchase a mini split primarily depends on the brand and the energy efficiency (SEER rating). Japanese brands are usually more expensive while newer brands or dealers will sell at a very low margin. And, the higher the SEER rating, the higher the price.
- [How to Size Condenser Water Pipes](https://aircondlounge.com/condenser-water-pipe-sizing/): The pipe that connect from the condenser side of the chiller to the cooling tower and back is called the condenser water pipe. To size a condenser water pipe, we can use a friction loss chart.
- [Duct Velocity Pressure, Standards and Calculations](https://aircondlounge.com/duct-velocity/): When designing a duct system, the velocity of the air traveling inside the duct is a major factor. Allowing higher velocity will result in smaller duct size which saves cost, but there are consequences.
- [7 Cheapest Mini Splits to Consider (Lowest $399.88 Only)](https://aircondlounge.com/cheapest-mini-split/): Mini splits are great but they tend to be expensive. However, the competition has gone out of hand and the price of mini splits are coming down tremendously. Here are 10 cheapest mini splits on the market now:
- [Save Up to $200 on Air Conditioner on Amazon Early Prime Deals](https://aircondlounge.com/air-conditioner-amazon-early-prime-deals/): Amazon Prime Day is around the corner. The early deals are out. I've found 13 best deals on air conditioner. If you're looking to get one for this summer, now is your best chance to save money. Without further ado, here is the list starting from the highest saving:
- [Inverter vs Non-Inverter AC: The Ultimate Comparison](https://aircondlounge.com/inverter-vs-non-inverter-ac/): If you're looking to buy a new air conditioner, you might be thinking about whether you should get the inverter or the non-inverter type. So, here is the ultimate comparison between the two types to hopefully help you make a decision.
- [Do Inverter Air Conditioners REALLY Save Electricity?](https://aircondlounge.com/does-inverter-air-conditioner-save-electricity/): More and more shops are selling inverter air conditioners only while ditching the traditional non-inverter models. People always say that inverter air conditioners save energy. But, is it true?
- [7 Useful Rule of Thumbs in HVAC (Must Know)](https://aircondlounge.com/rule-of-thumbs-in-hvac/): In HVAC, rule of thumbs are useful for preliminary design checks and quick estimations. They also can be used to counter-check design results from manual or software calculations. Here are 6 useful rule of thumbs that every HVAC engineer must know.
- [Can Mini Split Lines Run Vertically Upward?](https://aircondlounge.com/can-mini-split-lines-run-up/): Suppose you want to install the condenser (outdoor unit) of your new mini split system above the air handler (indoor unit) or you need to run the mini split lines up (perhaps, to the ceiling space or attic) to reach the outdoor unit. In that case, you might be wondering if mini split lines can run in the upward direction. Here is the quick answer:
- [Why 400 CFM per Ton? (Rule of Thumb Explained)](https://aircondlounge.com/why-400-cfm-per-ton/): 400 CFM per ton is regarded as the standard rule of thumb by many HVAC engineers and technicians for estimating the amount of airflow required based on the cooling capacity of an air conditioner. But, does it always 400 CFM per ton or there is more to it?
- [Mini Split Brands: Who are They and Which are the Best?](https://aircondlounge.com/mini-split-brands/): There are many mini split brands. Did you managed to learn all of them? To give you a completion information about mini splits, I put together 10+ mini split brands in this post. By going through this post, you will have a better idea of who are the brands, what they do, where is their origin, who actually makes their mini splits, is there any joint venture or partnership, who provides the warranty and then, decided for yourself which brands you should go for.
- [Duct Friction Loss Formula: How to Calculate Friction Loss in Ducts?](https://aircondlounge.com/duct-friction-loss-formula-how-to-calculate-friction-loss-in-ducts/): As an engineer, we are taught to size ducts based on a common friction loss value using tools such as the friction loss chart and duct sizer software. I've been wondering about the underlying formulas that these tools used to calculate friction loss in ducts. So, I did some research.
- [Central Return vs Dedicated Return: An Unbiased Comparison](https://aircondlounge.com/central-return-vs-dedicated-return/): A centralized return or a dedicated return in every room are both viable ways to get the air back to the blower. Sometimes, contractors may prefer only one method because of competitive advantage and suggest the opposite about the other method which is somewhat biased. I've dealt with both return methods and I've seen the goods and bad of both. So, this post provides an unbiased comparison between the two.
- [Return Duct Size for HVAC Unit (Sizing Chart & How-to Guide)](https://aircondlounge.com/return-duct-size-for-hvac-unit-sizing-chart-how-to-guide/): Return duct sizes are primarily depending on the airflow of the HVAC unit which is corresponding to the tonnage or capacity of the HVAC unit. The larger the HVAC unit, the bigger the return duct. However, velocity is a critical factor as it affects the noise level. So, I made a return duct size chart as well as a guide on how to determine the right return duct size.
- [What Size Mini Split for Garage? (What to Consider)](https://aircondlounge.com/what-size-mini-split-for-garage/): The size of the mini split you need depends on how big your garage is. Having a correctly sized mini split ensures your garage can be cooled within an acceptable time frame while also getting the moisture out. But, how do you size it properly for your garage?
- [What is Approach in Cooling Tower?](https://aircondlounge.com/cooling-tower-approach/): The performance of cooling towers is closely related to what is known as approach. A cooling tower is considered good in performance when its approach is low. So, what should you know about approach in cooling tower?
- [Fire Damper Installation, Configuration and Joint Method](https://aircondlounge.com/fire-damper-installation-configuration-and-joint-method/): Fire dampers are one of the most critical components in HVAC. They prevent fire from spreading from one room to the other rooms. However, incorrect installation can lead to a fire damper malfunction and wrong configuration and joint method can hinder the inspection work.
- [How the Air Conditioning System in Navy Ships Works?](https://aircondlounge.com/how-air-conditioning-system-in-navy-ships-works/): Navy ships are equipped with an air conditioning system to keep the crews comfortable while they're on duty. The air conditioning system in Navy ships works differently than the one found in buildings. For those who are curious, here's how it works.
- [What is the Smallest Mini Split Available?](https://aircondlounge.com/what-is-the-smallest-mini-split-available/): If you have a small room and you're thinking about the possibility of using a mini split air conditioner to cool the room, I have 4 options for you and a few ideas on how to go around it.
- [Chilled Water Pipe Sizing Guide: Chart, Standard & Calculator](https://aircondlounge.com/chilled-water-pipe-sizing-guide-chart-standard-calculator/): The size of the chilled water pipes used in a chilled water system directly affects the installation cost and the pumping cost of the system. In this post, I'll share an example of how to size chilled water pipes and explain the criteria on which pipe sizing is based.
- [23 Mini Splits for Different Needs and Use Cases](https://aircondlounge.com/best-mini-split-2024/): Whenever my customers consult me about mini split, they always ask for my opinion on which mini split they should buy. Since now is a good time to get prepared, I'd like to share my list of best mini splits for different situations and why.
- [Mini Split Air Temperature: How Cold/Warm Should It Be?](https://aircondlounge.com/mini-split-air-temperature-how-cold-warm-should-it-be/): The air coming out of a mini split must be at a specific range for proper cooling and heating. If your mini split doesn't seem to cool/heat your house as it should be, it is a good idea to check the temperature of the air coming out of it. But, how cold/warm should the air from a mini split be?
- [Sensible Heat Ratio: Formula, Calculation & Psychrometric](https://aircondlounge.com/sensible-heat-ratio-formula-calculation-psychrometric/): Engineers who are dealing with air conditioning and psychrometrics often come across the term sensible heat ratio. It is said to be one of the most important parameters in HVAC. So, what is sensible heat ratio?
- [How Many Amps Does a Mini Split Use? (Electrical Guide)](https://aircondlounge.com/how-many-amps-does-a-mini-split-use/): If you're getting a mini split but wonder if you need to upgrade your breaker size, I've surveyed the running current (amp) of various mini split sizes, types and efficiencies to come out with a range that could help you make a decision.
- [Mini Split Maintenance Checklist (w/ Printable PDF Download)](https://aircondlounge.com/mini-split-maintenance-checklist-pdf-download/): Mini splits require periodical maintenance just like any other machinery. However, there are quite many things to clean and inspect. Without a checklist, we can lose track of the past maintenance work. So, I made a printable PDF maintenance checklist that you can download and use.
- [What is a Low Ambient Mini Split?](https://aircondlounge.com/what-is-a-low-ambient-mini-split/): Mini splits come in different types and models. Among them, there is a mini split specifically labeled as low ambient. So, what is a low ambient mini split and how does it differ from a regular one?
- [Do Mini Splits Have HEPA Filters? (Air Purification)](https://aircondlounge.com/do-mini-splits-have-hepa-filters/): Mini splits are great for heating and cooling. But, if we need clean air, are mini splits able to offer the kind of air purification that HEPA filters provide? Most importantly, do any of the mini splits out there even have a HEPA filter built into them?
- [What is AHU ROOM? (AHU ROOM Meaning)](https://aircondlounge.com/what-is-ahu-room-ahu-room-meaning/): Almost every building has one or more AHU ROOM. However, many people don't know what is the meaning of AHU ROOM. Some people are also wondering if there is anything that they can do to change the AHU ROOM size. So, what exactly is AHU ROOM and what can you do about it?
- [How to Size AHU Cooling Coil? (Design Calculation)](https://aircondlounge.com/how-to-size-ahu-cooling-coil/): Sizing the cooling coil of an AHU is one of the essential HVAC design calculations. The calculated cooling load does not equal to the capacity of the AHU cooling coil. So, how do you size an AHU cooling coil?
- [What Size Mini Split Do You Need for Grow Room?](https://aircondlounge.com/what-size-mini-split-do-you-need-for-grow-room/): Grow rooms must be maintained at a certain range of temperature and humidity levels for the plants to grow properly. If you're planning to build a grow room, it might be a good idea to use mini splits for cooling and humidity control.
- [What is the Temperature of Cooling Coils?](https://aircondlounge.com/what-is-the-temperature-of-cooling-coils/): Cooling coils have specific design and operating temperatures. They must be cold enough to dehumidify the air but not too cold to cause freezing. So, what should be the temperature of a cooling coil?
- [How to Clean Mini Split Filters, Coils and Blower Wheel?](https://aircondlounge.com/how-to-clean-mini-split-filters-coils-and-blower-wheel/): Mini splits require regular cleaning to keep them working at optimal performance. However, some people may find things like removing the blower wheel difficult. So, how do you clean mini splits with minimal removal and simple tools?
- [Duct Thickness Conversion | Gauge to mm](https://aircondlounge.com/duct-thickness-conversion-gauge-to-millimeter/): Duct thickness is expressed in gauges and millimeters. However, the conversion between gauges and millimeters doesn't seem to follow a set of rules. So, exactly how to convert the duct thickness from gauges to millimeters?
- [Should Split AC Piping Be Insulated Together or Separately?](https://aircondlounge.com/should-split-ac-piping-be-insulated-together-or-separately/): When it comes to the insulation of the refrigerant copper piping of split air conditioners, there is always a debate whether the liquid pipe and the gas pipe should be insulated together or separately. So, this article will address it once and for all.
- [How to Install a Mini Split (10 Steps)](https://aircondlounge.com/how-to-install-a-mini-split/): The installation of a mini split involved a series of mounting, positioning, fitting, wiring and testing. How difficult it is will depend on the individual. If you're thinking of installing a mini split, here is what it takes to install a mini split from start to end.
- [Condenser Water Flow Rate Calculation (IP & SI)](https://aircondlounge.com/condenser-water-flow-rate-calculation/): One of the parameters to calculate when designing a chilled water system is the condenser water flow rate. Most of the time, it is estimated through the rule of thumb (gpm per ton). However, it can also be calculated by hand.
- [Chilled Water Flow Rate Calculation (IP & SI)](https://aircondlounge.com/chilled-water-flow-rate-calculation/): When designing a chilled water system, the chilled water flow rate is one of the parameters to calculate. Most of the time, it is estimated through the rule of thumb (gpm per ton). However, it can also be calculated by hand.
- [Mini Split Placement: Best Location for Mini Splits (w/ Photos)](https://aircondlounge.com/mini-split-placement-best-location-for-mini-splits/): The indoor and outdoor units of a mini split must be installed at a location where there is sufficient space for the air to move around. Else, the performance of the mini split may drop and the warranty may even be avoided. So, where should you put your mini split?
- [Mini Split Specifications Explained](https://aircondlounge.com/mini-split-specifications-explained/): Mini splits are fairly complicated engineering products. Their specifications can be difficult to understand for non-technical people. So, this post explains the detail and meaning behind mini split specifications.
- [What Size Mini Split for 1000 Sq Ft?](https://aircondlounge.com/mini-split-for-1000-sq-ft/): If you have a 1,000 sq ft room or house, you might be thinking of using a mini split for heating and cooling. But, how many BTU do you need for a 1,000 sq ft mini split?
- [How to Wire a Mini Split? (Full Wiring Diagram)](https://aircondlounge.com/how-to-wire-a-mini-split-wiring-diagram/): Wiring a mini split is not difficult. However, there are codes and laws that you need to follow and comply with when connecting a mini split. So, how do you wire a mini split from the main electrical panel all the way to the mini split?
- [How to Charge a Mini Split? (Methods & Procedures)](https://aircondlounge.com/how-to-charge-a-mini-split/): Mini splits don't work properly when they're low on refrigerant. If your mini split is low on refrigerant, you'll have to charge it with the right amount. So, how do you properly charge a mini split?
- [R32 Mini Split System: Good or Bad?](https://aircondlounge.com/r32-mini-split-system/): Just when homeowners find R410A mini splits appealing and attempt to use them as the primary heating and cooling system for their house, R32 mini splits came along and they are said to be better than R410A mini splits. So, what is this R32 mini split all about?
- [Do Mini Splits Need a Condensate Pump?](https://aircondlounge.com/do-mini-splits-need-condensate-pump/): If you're interested in a mini split system, you may be wondering why do many mini split installations require a condensate pump. But, do mini splits actually need a condensate pump? In this blog post, I'll explain everything you need to know about it.
- [What Does an EZ Trap Do?](https://aircondlounge.com/what-does-an-ez-trap-do/): If you have a central air conditioner or you're installing a new one, you may have come across a device called EZ Trap. It is a type of air conditioner condensate trap. But, what does it actually do?
- [Mini Split Wiki: History, Operation & Applications](https://aircondlounge.com/mini-split-wiki-history-operation-applications/): Mini splits are a type of air conditioner that supplies either cooled air only, or cooled and heated air to a single or a few rooms of a building, with or without ducts, in a decentralized or centralized manner. Mini splits use electricity to transfer heat from a cool space to a warm space by transferring thermal energy using a refrigeration cycle, cooling the cool space and warming the warm space. A mini split that does heating and cooling is known as a heat pump while a mini split that does cooling only is known as an air conditioner.
- [Mini Split in Attic: Is It a Good Idea?](https://aircondlounge.com/mini-split-in-attic/): If you're converting an attic into a living space, you might be wondering if a mini split is right for you. In this blog post, I'll explain the pros and cons of installing a mini split in an attic along with my recommendations.
- [How Ceiling Cassette Mini Splits Work](https://aircondlounge.com/how-ceiling-cassette-mini-splits-work/): Ceiling cassette mini splits are one of the different types of mini splits. They work differently from other types of mini splits. Some people are considering a ceiling cassette mini split but they want to know how it works. So, I'll explain.
- [Can Mini Split Condenser Be Installed in Attic?](https://aircondlounge.com/can-mini-split-condenser-be-installed-in-attic/): Mini split condenser is an important piece of equipment. It is the heart of the mini split system. Some people want it to be installed in the attic but they wonder if it'll work. So, I'll explain how the system works and what can be done.

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