Jim Davis, Author at High-Performance HVAC Today

How to Determine If Flue Gases are Sick

Posted by Jim Davis | Aug 1, 2022 | Features

So how do you know if your flue gases are ill? Do they have the chills, low temperature, a fever,...

Posted by Jim Davis | Feb 28, 2022 | Features

When were draft diverters invented, and why? How are the functions of a draft diverter explained?...

Posted by Jim Davis | Jan 5, 2022 | Features

For the past year or so, the world was consumed with the battle to beat COVID-19. Experts tell us...

Posted by Jim Davis | Aug 2, 2021 | Features

The motto at NCI is, “If you don’t measure, you are just guessing.” However, is it possible that...

Posted by Jim Davis | Jan 28, 2021 | Features

Commercial buildings like the one pictured here have been in use for more than 80 years and have...