The Thermostatic Expansion Valve (TEV) has become the refrigerant metering device of choice for most HVACR manufacturers in the past decade. Over time, countless valves have been needlessly replaced because of low airflow affecting their operation. A basic...
It is often taught that to diagnose a restrictive air filter is as simple as a visual inspection to see if it’s plugged. Then, if the filter is dirty, replace it. Once this obvious defect is fixed, everything is assumed to work correctly. Could there be more to it?...
You know, you just can’t win. For decades the U.S. government, through the auspices of the Energy Efficiency Act, the Department of Energy, and even the Environmental Protection agency have worked tirelessly with electric and gas utilities and the consuming...
It’s in the books: the first Republican debate on the road to the 2016 presidential elections. As a native of Cleveland, I want to say how proud I am of this city and its people. Commentators said that the Cleveland audience was one of the most demonstrative in the...
Energy efficiency is like the never-ending story with the U.S. Dept. of Energy (DOE) and the current administration’s non-stop push to squeeze ever more out of the HVAC industry. Yes, ladies and gents, the efficiency dance continues still, with members of Congress...
