David Holt, Author at High-Performance HVAC Today

How Air Upgrades Enhance Business Profits

Posted by David Holt | Mar 2, 2018 | Features

When you pay a technician for eight hours, but you can only charge four hours to the customer,...

Posted by David Holt | Oct 9, 2017 | Features

For many HVAC contractors, extremely cold winter weather generates many ‘no heat’...

Posted by David Holt | Sep 1, 2017 | Features

On June 21st, we officially transition from spring to summer in the northern hemisphere. According...

Posted by David Holt | Jun 30, 2017 | Features

On the first day of summer 2017, Nita Brooks died of cancer. On that day, National Comfort...

Posted by David Holt | Feb 15, 2017 | Features

If Abe Lincoln was an HVAC contractor today, his honesty would cause him to measure the performance of every system he serviced and installed.