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.

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. Often the compressor is good, but another component has failed, which stops it from working properly. Below is a list of some… Read More »

Can You Become EPA 608 Certified Online?

Type I EPA 608 exam can be taken online Type II and Type III cannot be taken online and must be proctored. Check local laws as there may be additional requirements. If you need to get an EPA 608 certification to work with refrigerants, you may wonder if you can get certified online. This is… Read More »

How Much Does it Cost to Replace a TXV Valve (2024)

The average TXV replacement cost by an HVAC tech in 2024 is roughly $750-$1200. The cost to buy a TXV Valve in 2024 is roughly $50-$200. Prices can vary by location and time of year. If you have had the TXV valve replaced, let us know in the comments the cost. A TXV (Thermal Expansion… Read More »