Author Archives: Aaron H. Benetti

About Aaron H. Benetti

Aaron H. Benetti an HVAC technician who has worked in the field since 1991. He began his career as an HVAC installer and later began doing troubleshooting and repairs. Around 2010, he began to write books on HVAC topics, mainly tutorials and how-to information. Currently, Aaron works as an HVAC tech and also writes many articles and posts for websites as well as books and videos on HVAC topics.

Where to Buy R410a Refrigerant?

R410a refrigerant can be bought at HVAC supply houses, HVAC repair companies, and online on sites such as eBay. Can an Individual Buy R410A Refrigerant? Yes, an individual can buy R-410A refrigerant, but there are some limitations. By law, only those who have taken and passed the EPA 608 exam can buy any refrigerant, but… Read More »

Digital HVAC Manifold Gauges vs. Analog

Digital manifold gauges have become very popular in HVAC due to the readings a technician can get quickly and reliably. The HVAC world has been slow to adapt to the newer digital technology, and in the past, digital gauges were left to the HVAC techno-nerds, but this is changing, and digital is becoming much more… Read More »

HVAC Return Air Filter Explained

Return air filters are a necessary part of an HVAC system to keep particles from clogging up a unit. They also keep the air clean inside a home by filtering out small debris. What is an HVAC Return Air Filter? A Return Air Filter keeps dust and other debris from entering a heating and cooling… Read More »