Don Prather

Donald Prather is technical services manager for ACCA. He is the author of “Technician’s Guide for Quality Installations” and “Manual B Balancing and Testing Air and Hydronic Systems,” licensed as a master HVAC contractor in Florida, and holds a first-class stationary engineer license in Maryland. Contact him at don.prather@acca.org or 703-824-8867.

Why R-32 May Be the Refrigerant of the Future

All options have pros and cons, but R-32 makes a good case for itself

Don Prather

January 9, 2017

One Comment

R-32 is an HFC refrigerant that has a GWP of 675 over the 100-year duration period by which refrigerants are rated.

The CAZ Razzmatazz

Failed CAZ tests should be evaluated by licensed professionals

Don Prather

March 7, 2016

No Comments

Tightening a home’s envelope may reduce the air supply needed for combustion, and when there’s not enough combustion air, equipment could have combustion ventilation problems. Thus, the people who sealed up homes (often referred to as the weatherization industry) needed a way to determine if sealing a home up would undermine the safe operation of combustion equipment. To meet this safety need, they embraced combustion appliance zone (CAZ) depressurization testing.

During this webinar, we will discuss what acidic condensate is, how it’s formed, and the damage it can cause if not properly treated—while hitting on the latest regulations that are driving the adoption of condensing technology.

On Demand Use the power of AI to your advantage to book more jobs and gain more operational efficiencies during busy season this year! See how an AI Employee can help you save time by qualifying every lead for you, automatically responding to incoming leads, and working overtime so you don’t have to.

Don Prather

ARTICLES

Why R-32 May Be the Refrigerant of the Future

The CAZ Razzmatazz

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