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Posts:
Topic: Buyer's Guide
- 4 Best Portable Air Conditioners to Buy in 2023
- Return Air Vent Cover: How to Do It Properly?
- Best HVAC System for Condominiums (Heating & Cooling)
- 6 Best Mini Splits for Garage (up to 4-car, 1300 sqft)
- 6 Best Multi-Zone Mini Split System (w/ Analysis & Comparison)
- 6 Best Wall Mounted Air Conditioners in the UK
- Are Mini Splits Good for New Construction?
- 5 Disadvantages of Mini Split Systems (with Solutions)
- 4 Types of Air Conditioning Systems with Water
- Best HVAC System for Apartments (Heating & Cooling)
- How to Select a Mini Split System? (8 Steps)
- 11 Smallest Mini Splits with the Lowest BTU (Cooling & Heating)
- 11 Best Mini Splits for Heating (Cold Climate Models)
- Most Efficient Mini Splits: Cooling, Heating & Different Types
- 4 Best 8000 BTU Window Air Conditioners (Updated 2022)
- Can Portable Air Conditioners Use Extension Cords?
- 10 Best Portable Air Conditioners in 2022
- Best HVAC System for 2-Story Houses (Heating & Cooling)
- What is a Good Noise Level for an Air Conditioner?
- Best Air Conditioner Position Based on Feng Shui (空调风水位)
- What is the Best Window Air Conditioner for a Small Room?
- What Type of Duct to Use for a Bathroom Ventilation Fan?
- Mini Split Sizing Guide: How-to, Chart & Example
- How Many Square Feet a 3-Ton Air Conditioner Cools?
- HVAC Diffuser Sizing Guide: CFM Chart & Selection
- Duct Insulation Guide: How-to, Selection & Thickness
- Chiller vs VRF System: Cost, Installation & Maintenance
- Air Conditioner Wire Sizing Guide: Chart & Calculation
- Air Conditioner Sizing Guide: Sizing Chart (BTU & Ton)
- Return Air Grille Sizing Guide: CFM Chart & Calculation
- Camping Tent Air Conditioning Guide (All Tent Sizes)
- Is a Mini Split Good for a Garage? (Best 5 for Garages)
- RV Mini Split Air Conditioning Guide (Best 5 for RVs)
- Are Mini Splits Made by Daikin Better Than Other Brands?
- Mobile Home Mini Split Purchase and Placement Guide
- Best HVAC System for Mobile Homes (Heating & Cooling)
- Here is Why You Should Use a Heat Pump for Heating
- A Complete Guide to Air Conditioner for 2,000 Sq Ft House
- Window Air Conditioner Watt: LG, Midea, Frigidaire & More
- Window Air Conditioner Amps for 115V and 230V Models
- Air Conditioner Size for 1500 Square Feet (with Example)
- What Size Air Conditioner Do I Need for a 20×20 Room?
- Apartment Air Conditioner Guide: Size, Selection & Placement
- Air Conditioning System for a Large School Hall
- Air Conditioning Guide for a 12×12′ Room (Size & Type)
- Guide to Air Conditioning a Windowless Room (3 Ways)
- Do Ventless Portable Air Conditioners Really Work?
- Choosing Air Conditioner: Guide & Checklist (Download)
- Can You Put an Air Conditioner in the Kitchen?
- Best Air Conditioner Brands in the World in 2021
- 10 Important Things to Know Before Buying Air Conditioner
- Multi Split or Single Split? Consider this ONE thing.
- Are Inverter Air Conditioners Worth the Price? (9 Reasons)
Topic: Chilled Water System
- Condenser Water Flow Rate Calculation (IP & SI)
- Chilled Water Flow Rate Calculation (IP & SI)
- What is Bypass in Chilled Water Systems?
- How Absorption Chillers Work?
- Chiller Capacity Calculation: Formula, Example, TR & kW
- What is Double Skin in AHU? (vs Single Skin)
- What is Economizer in Chiller?
- Centrifugal Chiller vs Screw Chiller (Chiller Selection Guide)
- Chiller Efficiency Calculation: kW/Ton, COP, EER & IPLV/NPLV
- Why Do Cooling Towers Have a Blowdown Valve?
- How to Calculate Chilled Water Pump Head?
- Chiller Surge: Symptoms, Causes & Preventions
- Chilled Water Pipe Insulation Thickness: Chart & Calculation
- How Cooling Towers Work? (HVAC Applications)
- What is Chiller Lift?
- Hydronic Balancing Basics (Chilled Water System)
- What is Reverse Return Piping?
- What is Net Positive Suction Head? (Centrifugal Pump)
- Secondary Pump Chilled Water System Explained
- 5 Types of Chillers in HVAC (Capacity & Efficiency)
- What is a Chilled Water Fan Coil Unit?
- Chiller vs VRF System: Cost, Installation & Maintenance
- Air Handling Unit Basics: Components, Specifications & Types
- What is Chiller Approach?
- District Cooling Thermal Energy Storage Explained
- 9 Chiller Energy Saving Tips (for Existing System)
- How Chilled Water Temperature Affects Chiller Performance?
- Chilled Water System: Components, Diagrams & Applications
- Closed Loop Chilled Water System Pressure
- How to Calculate Pressure Drop Across a Valve?
- Chilled Water Pump Connection Details with Explanation
- What is a Hybrid Chiller?
- What is High Delta T Chilled Water Systems?
- How to Size Cooling Tower Make Up Water Tank?
- 4 Types of Pipes Used for Chilled Water (New Technology)
- How to Size Chilled Water Pipe? (Friction Loss Chart)
- Water-cooled Air Conditioner: How Does It Work?
Topic: Control System
- How VFDs Work in HVAC: VFD Basics & Applications
- HVAC BMS Integration: Basics, Components and Controls
- How HVAC Relays Work? (Actual Applications)
- What is PLC in HVAC? (CPU, Module, HMI, Analog & Digital)
- 5 Types of HVAC Controls (Thermostat, DDC, 0-10V & Dry Contact)
- Air Conditioner Wire Sizing Guide: Chart & Calculation
- How Air Conditioner Control Room Temperature?
Topic: Ducted Air Conditioning
- Duct Thickness Conversion | Gauge to mm
- Duct CFM Chart | Round & Flex Duct | Calculation Guide
- How to Calculate Static Pressure in a Duct?
- How to Measure Airflow in HVAC? (Register & Duct)
- What is VAV in HVAC?
- Ducted Mini Split Guide: Basics, Comparison & Installation
- HVAC Ductwork Design Guide (Layout, Duct Size & CFM)
- HVAC Diffuser Sizing Guide: CFM Chart & Selection
- What is a Chilled Water Fan Coil Unit?
- Duct Insulation Guide: How-to, Selection & Thickness
- How to Calculate Duct Size? (Round & Rectangular)
- Return Air Grille Sizing Guide: CFM Chart & Calculation
- Can Mosquitoes Come Through Air Conditioner Vents?
- How to Ventilate a Room with Air Conditioner?
- Ducted Air Conditioning: All the Things You Want to Know
- Do AC Return Vents Need Filters to Reduce Dust?
- Does Every Bedroom Need a Cold Air Return Vent & Duct?
- Can Round Flexible Duct Be Used for HVAC Return Air?
Topic: Engineer's Lounge
- Boss Says You Work Too Slow? (How to Mitigate)
- HVAC Value Engineering Ideas (10 Tips)
- What Type of Engineering is HVAC?
- What Tools Do Project Engineers Use? (Simple & Practical)
- Can Engineers Invest in Stocks? (What to Expect)
- How to Grow Your HVAC Business? (5 Strategies Explained)
- Is HVAC Engineer a Good Career? (Future of HVAC Engineering)
- How to Invest as an Engineer? (Basics of Investing)
- 9 Actions That Improve Your HVAC Design Skills
- 4 Types of HVAC Drawings and Their Purposes
- HVAC Project Engineer Interview Questions & Answers
- HVAC Excel Calculators (User Guide Included)
- Confirmation of Verbal Instruction (CVI) in Construction
- How to Claim Variation Orders in Construction Malaysia?
- Extension of Time in Construction Malaysia (Sub-Contract)
- Project Engineer Salary (Construction) in Malaysia
- Project Engineer vs Project Manager: Salary, Stress & Skills
- 9 Skills of a Good Project Engineer
- Best Safety Helmet for Construction Site (>7 Years)
- How to Read HVAC Wiring Diagrams? (Control Panel)
- How to Read HVAC Duct Drawings?
- How to Read HVAC Drawings? (Title Block & Symbols)
- Best Job for Mechanical Engineers in High-Rise Buildings
- Project Engineer Career Path: What’s After?
- Project Engineer Duties and Responsibilities
Topic: Environmental
- Is It Better to Leave the AC On When Not Home? (Explained)
- Air Conditioner Alternatives: Is It Possible?
- 9 Chiller Energy Saving Tips (for Existing System)
- Do Air Conditioners Use A Lot of Electricity?
- Best and Most Efficient Refrigerant for Air Conditioners
- 51 Ways to Save Energy on Air Conditioning
- Do Air Conditioners Emit Harmful Gases and Toxic Fumes?
- When and What Setting is an Air Conditioner Most Efficient?
- 12 Practical Ways to Save Electricity for Air Conditioner
Topic: Heat Pump
- Do Heat Pumps Have Heat Exchangers (Air Exchangers)?
- What Does a Heat Pump Look Like? (with Photos)
- Can Air Source Heat Pumps Replace Gas Boilers?
- How Daikin Altherma Heat Pumps Work?
- Do Air Source Heat Pumps Work in Winter?
- Do Air Source Heat Pumps Heat Water?
- Is It Expensive to Heat with a Heat Pump? (Cost Analysis)
- Working Principle of Water Source Heat Pumps for Hot Water
- What is the COP of Heat Pumps?
- What is an Air Source Heat Pump?
- How Heat Pump Water Heaters Work?
- What is an Air-to-Water Heat Pump?
- How Does a Heat Pump Work in Winter? (Simple Explanation)
Topic: Hot Water System
- Can Air Source Heat Pumps Replace Gas Boilers?
- How Daikin Altherma Heat Pumps Work?
- Do Air Source Heat Pumps Heat Water?
- Working Principle of Water Source Heat Pumps for Hot Water
- Do Electric Tankless Water Heaters Need to Be Vented?
- Electric Water Heater Guide for Mobile Homes
- Does an Electric Tankless Water Heater Need a Pressure Relief Valve?
- How Electric Tankless Water Heaters Work?
- Can an Electric Tankless Water Heater Run a Whole House?
- Why Hot Water Takes So Long to Reach Faucets?
- Do Electric Water Heaters have an Anode Rod?
- How Electric Storage Water Heaters Work?
- Can an Electric Tankless Water Heater Fill a Bathtub?
- How to Size Electric Tankless Water Heater?
- How Heat Pump Water Heaters Work?
- What is an Air-to-Water Heat Pump?
Topic: HVAC Basics
- What is the Temperature of Cooling Coils?
- Should Split AC Piping Be Insulated Together or Separately?
- Why Do Air Conditioners Need Outside Air?
- HVAC Abbreviation List | Acronyms | Terminology
- PH Diagram for Refrigeration Cycle In-Depth Explanation
- 3 Types of Metals Used for HVAC Ductwork
- Wall Mounted Air Conditioning Unit Explained
- What is Double Skin in AHU? (vs Single Skin)
- HVAC Acoustic Treatment Basics: Grille, AHU & Fan
- What is the Delta T in HVAC?
- 4 Types of Air Conditioning Systems with Water
- 5 Types of Refrigerants in Air Conditioning
- What is Static Pressure in HVAC?
- 3 Types of Compressors in HVAC (Applications & Characteristics)
- 5 Types of Pumps in HVAC (Common Terms Explained)
- Why Portable Air Conditioners Need to Be Vented?
- 6 Types of Valves Used in HVAC (with Details)
- Do Air Conditioners Take Air from Outside? (Some Do)
- Inverter Air Conditioner: A Complete Guide (for Beginner)
- How to Use a Psychrometric Chart?
- How to Improve Air Quality in Homes? (Technical Guide)
- COP | SEER | EER | CEER | kW/Ton | HVAC Efficiency Guide
- What is VAV in HVAC?
- Is Radiant Cooling Efficient? (Fundamentals Explained)
- What is Sensible Cooling Capacity? (Sensible vs Latent Load)
- How to Read a Psychrometric Chart?
- What is a Plenum Box? (Purpose on FCUs and Diffusers)
- What are Differential Pressure Sensors in HVAC?
- 6 Types of Ducts in HVAC (Rigid, Kitchen, Fire & Pre-Insulated)
- Air Conditioning Theory | Physics | Fundamentals | Principles
- 5 Types of Heat Exchangers in HVAC (Applications & Highlights)
- 5 Types of Fans in HVAC (Characteristics & Applications)
- How Hotel Air Conditioners Work?
- Hotel Air Conditioning System: Basics, Types & Considerations
- How Solar Air Conditioners Work? (Hybrid vs Pure Solar)
- 6 Types of Filters in HVAC (Efficiency & Applications)
- 4 Types of Grilles in HVAC (Common Applications)
- 3 Types of Air Conditioning Systems in Commercial Buildings
- Cooling Load Calculation Guide (Methods & Examples)
- 4 Types of Dampers in HVAC (FD, MFD, VCD & NRD)
- What is ACMV? (ACMV Stands For) | ACMV vs HVAC
- What is PAU in HVAC? (PAU for ACMV)
- 4 Types of Duct Insulations (with Specifications)
- Air Cooler vs Air Conditioner: Which One is Better?
- Do Air Purifiers Produce Oxygen?
- Air Conditioner Sizing Guide: Sizing Chart (BTU & Ton)
- Do UV Lights in HVAC Work? (Check These Parameters)
- 6 Types of Supply Air Diffusers and Their Applications
- HVAC Basics for Beginners: How to Get Started
- 4 Types of Actuators in HVAC (Damper & Valve)
- 12 Different Types of Commercial HVAC Systems by Efficiency
- Air Conditioner Controllers: A Beginner’s Handbook
- Why Nitrogen is Preferred to Use for Flush & Leak Test AC?
- Do You Need to Tilt or Level Air Conditioners When Install?
- How Oxygen Level is Maintained in AC Rooms?
- Air Conditioning and Ventilation: What’s the Difference?
- Air Conditioner Mode Explained: Auto, Dry, ECO & More
- 4 Types of HVAC Plenums (Basics & Applications)
- 5 Types of Insulation Used in Air Conditioning
- How to Read Air Conditioner Specifications (12 Specs!)
- How Long Does an Air Conditioner Takes to Cool a Room?
- BTU to HP | BTU to Ton | BTU to kW | Conversion Tables
- Does Outside Temperature Affect Air Conditioner?
- Do Air Conditioners Use and Connected to Water?
- Do Air Conditioners Remove and Reduce Dust in Homes?
- Can Air Conditioner Heat Room with Temperature Setting?
- Can You Put an Air Conditioner in the Kitchen?
- Do Air Conditioners Use and Run on AC or DC Power?
- Air Conditioner Working Principle Simple Explanation with Diagram
- Do Air Conditioners Provide Oxygen & Prevent Suffocation?
- Do Air Conditioners Make the Air Too Dry and Cause Sick?
- Why Copper Pipes Are Used in Air Conditioning?
- Is Air Conditioner Exhaust Harmful? The Outdoor Unit
- Do Air Conditioners Clean and Purify for Good Air Quality?
Topic: Maintenance
- Air Conditioner Not Cooling? Quick 13 Fixes to Try Now
- What Does an EZ Trap Do?
- How to Cover Air Conditioner Pipes?
- How to Measure Airflow in HVAC? (Register & Duct)
- Chiller Surge: Symptoms, Causes & Preventions
- Why HVAC Air Vents are Noisy and How to Fix Them?
- Hydronic Balancing Basics (Chilled Water System)
- What is Net Positive Suction Head? (Centrifugal Pump)
- Why Condo Air Conditioners Not Cooling? (How to Solve)
- HVAC Air Balancing: Basics, Tools & Procedures
- Why Your HVAC Ducts Are Sweating? (Root Cause)
- 9 Chiller Energy Saving Tips (for Existing System)
- How to Service Air Conditioner Yourself? (How I Did It)
- 6 Solutions to Office Air Conditioner Too Cold
- AC Leaking Water: Symptoms, Causes, Fix & Prevention
Topic: Mechanical Ventilation
- Bathroom Fan Sizing Guide: Code, CFM Chart & Calculation
- 5 Types of Ventilation Systems (Pros & Cons)
- High-Rise Buildings Fire Safety Measures
- Pressurization Fan Duct Connection Basics
- Staircase and Lift Lobby Pressurization System Basics
- Smoke Spill System Basic Requirement in Malaysia
- How to Ventilate a Room with Air Conditioner?
Topic: Mini Split
- How to Clean Mini Split Filters, Coils and Blower Wheel?
- How to Install a Mini Split (10 Steps)
- Mini Split Placement Guide | Pros & Cons (with Photos)
- Mini Split Specifications Explained
- What Size Mini Split for 1000 Sq Ft?
- How to Wire a Mini Split? (Full Wiring Diagram)
- How to Charge a Mini Split? (Methods & Procedures)
- R32 Mini Split System: Good or Bad?
- Do Mini Splits Need a Condensate Pump?
- Mini Split Wiki: History, Operation & Applications
- Mini Split in Attic: Is It a Good Idea?
- How Ceiling Cassette Mini Splits Work
- Can Mini Split Condenser Be Installed in Attic?
- AUX Mini Split Review: Pricing, Specs & Features
- Mitsubishi Mini Split Remote Symbols Explained
- Ducted vs Ductless Mini Split (Which is Better?)
- Mini Split Dimensions (LxWxH) and Wall Space
- 6 Best Mini Splits for Garage (up to 4-car, 1300 sqft)
- Mini Split vs VRF: What’s the Difference?
- 6 Best Multi-Zone Mini Split System (w/ Analysis & Comparison)
- Are Mini Splits Good for New Construction?
- Can Mini Split Use Existing Ductwork?
- How to Select a Mini Split System? (8 Steps)
- 11 Smallest Mini Splits with the Lowest BTU (Cooling & Heating)
- 11 Best Mini Splits for Heating (Cold Climate Models)
- Most Efficient Mini Splits: Cooling, Heating & Different Types
- What is a Mini-Split? | A Complete Guide
- Can You Run Mini Split Refrigerant Lines in Walls?
- Ducted Mini Split Guide: Basics, Comparison & Installation
- 5 Types of Mini Split Indoor Units (How to Choose)
- Are Mini Splits Good for Sunrooms? (4 Benefits)
- The 4 Best Mini Splits in 2023 (New Models)
- Mini Split R410A Refrigerant Working and Test Pressure
- Is a Mini Split Good for a Garage? (Best 5 for Garages)
- RV Mini Split Air Conditioning Guide (Best 5 for RVs)
- Are Mini Splits Made by Daikin Better Than Other Brands?
- Mobile Home Mini Split Purchase and Placement Guide
- Do Mini Splits Dehumidify and Remove Moisture?
- Do Mini Splits Have Filters to Clean the Air?
- Do Mini Splits Bring in Fresh Air from Outside?
- Do Mini Splits Heat and Cool?
- Are Mini Splits Supposed to Run All the Time?
- Air Conditioner Condensate Drain Pipe Installation Basics
- A Beginner Guide on Ductless Mini Split Air Conditioners
- Do Mini Splits Use Propane and Natural Gas?
- Do Mini Splits Need a Drain Line for Condensate Water?
- Do Mini Splits Work in Cold Weather Climate Effectively?
- Importance of Using the Correct Mini-Split System
- What is Multi Split Air Conditioner? (Capacity Sharing)
- What is Split Air Conditioner? Differences & Advantages
- Why Air Conditioners are Placed at a Height Near Ceiling?
- Air Conditioner Position in Living Room
- How Long Does It Take to Service a Split Air Conditioner?
- Best Place to Install Split Air Conditioner in Bedroom
- Average Time to Install a Split System Air Conditioner
Topic: Technology
Topic: Uncategorized
Topic: VRF System