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Podcast, Fake Refrigerants, Listen



Fake Refrigerants, Counterfeit RefrigerantsCounterfeit and illegally imported refrigerants have existed in the HVAC industry for years. With R-22 increasing in price due to the government phase out (see previous post An Update on the Refrigerant R-22), people are doing anything they can to get their hands on cheaper solutions. Some refrigerants coming into the U.S. from other countries are not just imported illegally, but they are counterfeit, posing safety and health concerns to technicians and consumers. If you are having your air-conditioning system serviced, be alert to the various scams out there!

Unapproved Substitutes

EPA, Environmental Protection AgencySeveral companies have been penalized by the federal government for illegally marketing and selling other hydrocarbon products such as ES 22a as a replacement for R-22. (see  EPA vs EnviroSafe and EPA vs Northcutt).  According to the EPA,  use of ES 22a -  a refrigerant meant for window air conditioning units - creates the potential for explosion and fires, and is a serious risk to human health and the environment. R-22 air conditioners weren't built to handle the level of pressure or flammability these substitutes pose. In particular, R-22a, which uses propane, creates a fire hazard. Approved alternatives to R-22 do exist, such as R-422D, so check with your HVAC contractor.

Unapproved Additives

Duracool, R-22A, Additives, Fake RefrigerantsSome vendors have blended the refrigerant with flammable substances such as propane and butane, or with a pine-scented odorant (see R-22a Safety). These have been sold under the names OZ-12®, HC-12a®, and DURACOOL, to name a few. Use of flammable refrigerants as a retrofit in equipment that was designed for non-flammable materials presents risks to consumers, equipment, and service technicians, and will void your equipment's original manufacturer's warranty. There are stories where the compressor burst into flames, the technician sustained serious burns, and the siding was melted off the house!

Counterfeit Refrigerants

Counterfeit RefrigerantsSome counterfeit or contaminated refrigerants have counterfeit labels on the cylinders and packaging, so you can't tell what's actually inside. Contaminated refrigerants can cause a variety of issues, ranging from increased energy use and decreased cooling performance, to significantly reducing the operating life of your system, and causing injury and equipment failures.  Plus, many counterfeit  products contain ozone-depleting substances which are illegal. In China, 18 people were arrested from 4 criminal gangs, and 5 illegal production facilities were found, along with 11 storage warehouses and 2 sales offices. Over 28,000 canisters of fake R-134a and other refrigerants were confiscated along with 20 tons of raw materials (see report here).

Contaminated Refrigerants

Danger, Flammable, Contaminated Refrigerants, Methyl Chloride, R40Many refrigerants, including R-22, R-134a, R-404A, and R-410A, have been found to be badly contaminated (see report here). One of these contaminants is methyl chloride (also called R40 or chloromethane). It reacts with the aluminum and metal alloys used in the internal components of your HVAC system, causing corrosion and a volatile by-product that burns on contact with air. Exposure of the system's contents to air and/or moisture could result in production of a strong acid and violent chemical reaction. This contaminant was responsible for a fatal apartment fire in 2014.

In our next post, we'll tell you what the HVAC industry is doing to fight back and what you can do to avoid becoming a victim of fake refrigerants.

Important Tips & Advice



You often don't think about your heating or air-conditioning system until something goes wrong. But there is so much you can do to help keep your system from breaking down. We regularly post information to help you learn what you can do to keep your system running, to save money and energy.  Search our many posts, videos, and podcasts, for valuable information that is never a sales pitch. Subscribe to receive an email when something new is posted, so you won’t miss any important tips.

Choosing a Repair Company

Whether you’re talking about heating or cooling, repairing or replacing a system, you want a company that can advise you reliably based on what is in your best interest, not based on what is convenient or what earns them the most money (commissions). We'll help you choose the best solution to fit your needs. Check out our many posts at HVAC News You Can Use and our podcasts.

Going Green

We're concerned about the environment and know all the latest technologies - such as geothermal systems, LED lights, and smart thermostats - that can reduce energy and put more "green" in your pocket!  We've provided HVAC systems in certified LEED buildings and written many posts on ways to Go Green.

The Sign of Service

We are a repair company performing a full range of commercial and residential heating, air conditioning, energy management and comfort products service, maintenance, and installation. We are a locally-owned company serving Nashville-Davidson County and the surrounding counties including Williamson, Rutherford, Wilson, Sumner, Robertson, and Cheatham.

Who We Are

Our service technicians are fully trained and experienced.  We can tackle the most complicated system to the simplest of systems – from large commercial plants to single-family homes.  Our ownership group of Eddie Hutton, Tony Anderson, Roger Eldridge,  Swaney Powers and Alan Seilbeck have over 125 years combined experience as leaders in the HVAC industry.


We are proud of our dispatchers that respond to your telephone call. When your system is down they make things happen. Our trucks are loaded with most parts needed for a quick repair. You can call day and night 7 days a week. Our normal weekday hours are 7:00AM to 5:00PM. Click on the button below to schedule a service call online. Emails and forms can only be answered weekdays from 7-5.”  

615-832-8500 Online Service Call


Did you know you should service your HVAC on a regular schedule – just like you would your car?  We have specialized maintenance programs to ensure the clean, energy efficient and safe operation of your HVAC systems.  This helps minimize service interruptions/breakdowns and maximize your equipment's lifespan.  All maintenance contract customers are assigned a primary technician that will get to know your facility and equipment and will treat it like his own.  You’ll receive discounts on repairs or new installations, and get priority service when it is cold or hot outside and you need service promptly.  Plus, maintenance contract customers are never charged overtime rates for emergency services after-hours, weekends or holidays. We’ll teach you how to save on maintenance costs by showing you things you can do yourself and when you need a technician. Here are some good posts:  Repair vs. Replace, Things to Try Before Calling for Service, Springtime Tips that Pay Off.


Our team takes on HVAC projects for office, school, retail and industrial facilities. Check out these case studies:

Replacement of a 250-ton Cooling Tower

Ductless HVAC at Brentwood Middle School