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We are husband and wife HVAC contractors who started in 1988. We formed this web site so consumers could have an educational place to go for good, solid information. We are not trying to sell you anything. We just want pass on years of research, trial and error, and our street knowledge. Hopefully you will find it useful, helpful and enjoyable. Maybe we can even make you smile.
March 11, 2024
5 Fun Facts about Freon

Most non-professionals would never guess that a chemical substance used as a refrigerant by the vast majority of the HVAC industry can hide so many interesting facts. However, there’s a lot to be said about Freon – from its complex history to its unclear future to its effects on humans and the environment. 1. Freon […]

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March 7, 2024
Phase-out of 134a for cars

Phase-out of R134A Refrigerant for Cars By Betty Stephens Environmental Protection Agency The Environmental Protection Agency has issued a pair of decisions that begin a changeover of the refrigerants that do the cooling in car air conditioners. Over the next few years, it will be out with the old (HFC-134a) and in with the new […]

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March 2, 2024
Thomas Midgley Jr. - Inventor of Refrigerant

Thomas Midgley, Jr By Betty Stephens Inventor of Freon and Leaded Gas Thomas Midgley, Jr. (May 18, 1889 to November 2, 1944) was an American mechanical engineer and chemist. He was a key figure in a team of chemists, led by Charles F. Kettering, that developed the tetraethyl lead (TEL) additive to gasoline as well […]

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March 2, 2024
EPA Bans Additional Refrigerants

EPA to Ban More 'Unacceptable' Refrigerants By Betty Stephens EPA Action A list of refrigerants unacceptable by the U.S. Environmental Protection Agency grew by leaps and bounds on July 10, when EPA proposed to prohibit the use of certain chemicals that significantly contributes to climate change. The EPA’s action is to reduce emissions of hydro […]

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February 19, 2024
Drop-In Refrigerants

Drop-in Refrigerants Replace R22, that Mix w/ R22 By Betty Stephens R22 Drop In Replacement R22 is the most common refrigerant in residential and light commercial A/C applications. It has been phased out due to damage that it does to the ozone layer, so availability is limited to existing stockpiles and refrigerant recovered from decommissioned […]

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February 10, 2024
R22 Phase-Out

Phase Out of R22 in 2020 By Betty Stephens Chlorodifluoromethane, better known as HCFC-22 or R-22 is a common refrigerant that is currently being phased out in the U.S. due to its very high potential to exacerbate ozone-depletion (R-22 is also a global warming gas). U.S. EPA has tried to reduce use of this material […]

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February 6, 2024
EPA Regulations on R22 / SEER Ratings

EPA Regulations on R-22 / SEER Ratings By Betty Stephens of Quest Media The EPA has begun phasing out the production of R-22 and has banned the production of HVAC equipment that uses R-22 in compliance with Title VI of the Clean Air Act. The refrigerant that replaces R-22 is R-410A. R-410A is an HFC […]

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January 18, 2024
Refrigerant Recovery Demonstration Video

This video shows refrigerant recovery on a commercial package unit. The process is the same on a residential unit. Your unit at home is just smaller and a different shape, but the same principals and procedures apply.

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