Author Archives: Aaron Benetti

How To Read an HVAC Temperature Pressure Chart

An HVAC unit needs the correct pressures to operate and heat or cool a space. If the refrigerant is too low or high, the unit will not operate correctly and cause problems such as freezing up or other issues. Since pressure changes as the temperature changes, a pressure temperature chart is used as a reference… Read More »

ECM 2.3 Variable Speed Blower Motor Troubleshooting

ECM motors are commonly used in HVAC systems these days as blower motors. This includes air conditioners, heat pumps, and furnaces. ECM Motors can adjust the airflow depending on what the system is getting for feedback. First of all, there are two components to an ECM motor the control module and the motor itself. The… Read More »

Our Picks for Best Budget HVAC Manifold Gauges

There are many scenarios when buying expensive high-end HVAC manifold gauges is unnecessary. Mainly for those who only occasionally work on air conditioning units or a homeowner looking to do their own repairs. Below we list units that will get the job done without breaking the bank. The units below would not be good for… Read More »