Blog Articles, Online Courses and Consultation Services.
Educating
the World
about HVAC
I embarked on a mission to educate millions of homeowners and engineers about heating, ventilation and air conditioning (HVAC). I vision an energy-efficiency future where all HVAC systems are well designed, well installed, well operated and well maintained.
Blog Articles
I wrote more than 300 blog articles on this website and filmed several videos on YouTube as free resources.
Online Courses
I created online courses to teach HVAC engineers on specific skills from beginner to advance level.
Consultation Services
I provide consultation and design services professionally to individuals as well as companies.
Centrifugal Chiller vs Screw Chiller (Chiller Selection Guide)
Large buildings often need chillers for cooling. But, there are many types of chillers available on the market. Many engineers find it particularly difficult to choose between a centrifugal chiller…
Latest Posts
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…
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…
Duct Thickness Conversion | Gauge to mm
Duct thickness is expressed in gauges and millimeters. However, the conversion between gauges and millimeters doesn’t seem to follow a…
Air Conditioner Not Cooling? Quick 13 Fixes to Try Now
Whenever the hot days come, your air conditioner sure gives you problems. If your air conditioner is not cooling but…
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…
How to Install a Mini Split (10 Steps)
The installation of a mini split involved a series of mounting, positioning, fitting, wiring and testing. How difficult it is…
Condenser Water Flow Rate Calculation (IP & SI)
One of the parameters to calculate when designing a chilled water system is the condenser water flow rate. Most of…
Chilled Water Flow Rate Calculation (IP & SI)
When designing a chilled water system, the chilled water flow rate is one of the parameters to calculate. Most of…
Mini Split Placement Guide | Pros & Cons (with Photos)
Mini splits have clearance requirements. The indoor and outdoor units of a mini split must be installed at a location…
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…
Online Courses​
These courses are self-paced which means you can learn at anytime at anywhere you want, giving you full control of your time.
INTERMEDIATE LEVEL
Chilled Water System Design Course
A TRUE design course that take you through the process of designing a chilled water system using a modern 32-storey high-rise building as the sample project.
$129.99
ENTRY LEVEL
RTS Cooling Load Calculation Course
Learn how to perform cooling load calculation using the Radiant Time Series method under 90 minutes through a step-by-step process with an excel calculator.
$49.99
ENTRY LEVEL
HVAC Beginner
Course
Turn yourself into an HVAC competent in 10 days with the fundamentals of air conditioning, working principles and basic design skills.
$99.99
80+
Engineers Enrolled
3
Courses Available
145+
Online Lessons
Digital Downloads
Ebooks, templates, charts and excel calculators are very handy in certain times. So, I made some of my personal tools available as digital downloads for you.
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Improve Your HVAC Skills Today!
Enroll in my online courses, download my digital tools or read my free blog articles to learn more about HVAC today.