HVAC Contactors and Relays Explained

Contactors and relays are used in almost all heating, cooling, and refrigeration equipment to manage loads in the system. They are both similar since both contain a coil that opens or closes the contacts. A Contactor is larger and capable of carrying more amperage than a relay. When testing same procedures can be used to… Read More »

What is the Best HVAC Multimeter?

Having a good multimeter when working in the HVAC field is a must-have tool. Basic meters can read AC and DC voltages with a few other features but an HVAC meter needs to do much more. For example, an Amp Clamp to quickly read amps that are being pulled by a motor or compressor is… Read More »

Reasons an Air Conditioner Compressor Will Not Start

An air conditioning compressor is the heart of an air conditioning unit and can be a real problem if not working. There are many things that can cause a compressor to stop working. Below is a list of some common issues to look for when troubleshooting a unit that will not start. 5 Reasons an… Read More »

How to Cool a Garage with No Windows

Garages can get hot in the summer and don’t usually have a window to let air in or install a window AC unit. Cooling a windowless room such as a garage can be done in different ways, depending on the scenario. Options can vary from low-cost, budget-friendly to higher-cost and more involved installation. With that… Read More »