Technical Tips

The Physics of Cool: What is the Refrigeration Cycle? If you ask a homeowner how their air conditioner works, they might say, “It blows cold air.” But as a technician, you know that is technically incorrect. Cold does not exist. “Cold” is simply the absence of heat. To cool a house Read more

Building Your First HVAC Tool Kit Walking into a supply house as a new technician can be overwhelming. There are thousands of shinys gadgets, and every salesperson will tell you that you “need” them all. But if you are just starting out, buying everything at once is the fastest way Read more