Technical Tips

The Air Conditioning Contractors of America (ACCA) announces the reaffirmation of the ACCA 6 QR and ACCA 14 QMref for […]

How much air is required for complete combustion?  Every cubic foot of natural gas requires 10 cubic feet of air […]

“That system needs 400 CFM per ton!“ Does this rule of thumb sound familiar? Although many contractors may have known about […]

A brand new course just hit the ACCA education catalog, A2L Mildly Flammable Refrigerant training. A2L mildly-flammable refrigerants will be […]

If you have not had a chance to visit the Quality Assured (QA) Contractor Directory located on the ACCA website […]

It is that time of year again. The time when HVAC professionals identify serious safety faults during maintenance inspections and […]

This is old stuff It’s winter again, and again I feel a need to address the dangers of carbon monoxide.  […]

As contractors, we get into a pattern of how we perform our service calls and installations. Rarely do we stop […]

ACCA’s Manual S: Residential Equipment Selection is under revision as part of the routine requirements set by the American National Standards […]

These days, many people are spending more time at home than ever before. It is imperative that we all work […]

Customers’ interest in cleaner air continues to grow as they become savvier about how and what they breathe impacts their health and daily living.

Author’s Note: This article was drafted on 17 July 2020.  September and October are prime months to perform maintenance agreements in preparation for […]

As a technician, one of the most important things you can do for your clients is to educate them. Unfortunately, […]

This article is a continuation of the previous four articles titled “Investing In The Future of HVAC”.  As was previously discussed, finding qualified HVAC technicians is getting harder for employers to find.  RightTek HVAC Training, in partnership […]

Evacuation defined Evacuation is the process of dehydrating. What we do when we evacuate a refrigeration system is to lower […]

PART V:  This article is a continuation of the previous four articles titled “Investing In The Future of HVAC”.  As was previously discussed, finding qualified HVAC technicians is getting harder for employers to find.  RightTek HVAC Training, in partnership […]

Like you, my life has shifted in many ways during these unprecedented times. The COVID-19 pandemic has deeply affected you, […]

A critical element when evaluating a cooling system’s performance is the temperature difference between the return and supply air. A […]

This article is a continuation of the previous three articles titled “Investing In The Future of HVAC”. As was previously […]

If you are going to introduce outside air into a conditioned space, it is going to have a cost (in […]