Jesse Grandbois is a tech who reads the tech tips, and he wrote a few tips that he wanted to share on some gas furnace control basics. This tip is about how to use a fancy digital stat on a millivolt system. For those of you who don't know, a millivolt system uses a thermocouple/thermopile […]

We've been pretty spoiled in residential and light commercial in the USA because we haven't needed to deal with glide much. R22 has no glide, and R410a is a near-azeotropic blend, which means it has almost no glide. The days of being able to ignore glide are coming to an end. Carrier has announced their […]

The year was 1774, and a man named Tom traveled the Atlantic from England to visit his friend Ben in Philly. Tom was 37 years old, and he had already been through a failed business and lost his wife and child during childbirth. He was a troublemaker by some accounts—a free spirit at the very […]