The following is based on a true story. No product was harmed in the making of this tech tip, and some facts may have changed to protect the guilty and because I forgot some of them. We got a job installing a new 1-to-1 split refrigeration case with R448a, and it had a typical thermostatic […]

This gas furnace maintenance procedure in this article was developed by Michael Housh. Michael is the owner of Housh Home Energy in Ohio. He regularly works on natural gas equipment and is an active contributor to the HVAC School Facebook group. Thanks, Michael! Gas-fired equipment has a different set of components than your typical straight-cool […]

There are many acceptable methods for making a wire splice, and you need to consider many different factors when making a splice. Here are a few considerations. High Voltage vs. Low Voltage – If the connection is 24V or less, it USUALLY has fewer NEC (National Electrical Code) rules and regulations concerning how the connections are […]