Wes Davis

Company name: Air Conditioning Contractors of America (ACCA)

Position: Technical Services Director

Wes Davis serves as the Technical Services Director for ACCA. He manages the development and maintenance of ACCA’s American national standards and technical manuals. He oversees HVACR education and supervises Quality-Assured contractor accreditation. He oversees the representation of HVAC contractor interests in the model code development process. He directs responses to ACCA member contractor inquiries, as well as those from consumers and code enforcement officials. Wes was a NATE-certified technician and a licensed South Carolina HVAC contractor. He also wrote Bob’s House, and he serves on ASHRAE technical committees and the RESNET’s Standards Management Board.

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Laws of Energy and Matter

It’s always good to reaffirm some of the basics of energy, work, and matter. The five rules below are some of the most basic and important. The First Law of Thermodynamics States that energy cannot be created or destroyed. It can only change forms or be transferred from one object to another. If you’d like […]

Condensate Switch Controversy

Condensate overflow prevention devices, or float switches, as they are often called, are such simple devices that you wouldn’t think there would be much room for controversy. In my experience, there are few areas of the trade where technician and installer preferences and opinions vary greatly. Let’s start with some float switch basics. Float (condensate) […]

Does Mass or Volume Move Heat?

I once heard someone say, and I have since repeated many times, that BTUs ride on the back of cubic feet of air (CFM). As I’ve learned more, I’ve come to the conclusion that the weight or mass of the air passing over the evaporator coil is far more important to understand both in terms […]