Why Are HFO Refrigerants Less Flammable Than Hydrocarbon Refrigerants?

HFO and HC (Hydrocarbon) refrigerants, often referred to as the fourth generation of the 21st refrigerants, are efficient and environmentally friendly refrigerants that carry several similarities and differences. One common difference is that HFOs have a lower flammability than Hydrocarbons. So, why are HFO refrigerants less flammable than hydrocarbon refrigerants? We’ll provide an in-depth answer … Read more

R410a vs R32: Which One is Better?

R32 vs R410A: Which One is Better?

One of the most popular R410A replacement is R32. Since its introduction in the market, many manufacturers are shifting their attention towards it. But the question in most people’s minds is (including HVAC technicians): R410A vs R32, which one is better? The answer: R32 is a better refrigerant than R410A in terms of cooling efficiency, … Read more

R-452B Refrigerant Fact & Info Sheet

R452A refrigerant Fact & Info Sheet

R-452B is a hydrofluroolefin (HFO) refrigerant, known to be one of the most energy efficient replacements of R-410A. The refrigerant is a zeotropic blend consisting of a mixture of three refrigerants, R-32, R-125, and R-1234yf. As you know, HFOs are a new class of refrigerants set to replace refrigerants with a high global warming impact. … Read more

Are Solid Refrigerants the Future of Refrigerants?

Are Solid Refrigerants the Future of Refrigerants?

In recent years, scientists have been in the process of finding alternative eco friendly refrigerants. One option that scientists are proving to be quite efficient are solid refrigerants. Many scientists are optimistic that these refrigerant types might be the future of the refrigerant industry. In fact, there are a few new air conditioning systems in … Read more

Product Review: Elitech IR-200 Dual Sensor Leak Detector

Elitech IR-200 Dual Sensor Leak Detector

Hello folks and welcome to RefrigerantHQ. Today we will be doing another one of our product reviews. As we all know having the right tools for the job can make all the difference in the world. The same can be said when it comes to leak detection. Sure you can do it the old school … Read more

R-452A XP44 Refrigerant PT Chart

RefrigerantHQ's Pressure Charts

One of the very first steps when it comes to diagnosing a home air conditioner, refrigerator, a vehicle’s air conditioner, or a commercial cooler is understanding the temperature and the current pressure that the system is operating at. Having these facts along with the saturation point, the subcool, and the superheat numbers for the refrigerant you are … Read more

EPA Proposes A2L Refrigerants for Air Conditioners


Towards the end of May the Environmental Protection Agency announced their latest proposed Significant New Alternative Policy (SNAP) rule. At this time the rule is just proposed and not finalized. That being said, this rule will definitely have an impact on the industry and the future of air conditioning within the United States. This time … Read more

Colorado & Virginia Announce HFC Phase Down


More dominoes fell last month when Colorado and Virginia announced that they will be phasing down HFC refrigerants. This now brings the total states acting, or working towards, phasing down HFC refrigerants to sixteen. If you count just the states that have moved forward with legislation or regulation then Colorado and Virginia is now the … Read more

Product Review: MRCOOL DIY Series Ductless Mini Split Air Conditioner & Heat Pump

MRCOOL DIY Series Ductless Mini Split Air Conditioner & Heat Pump

A friend of mine is approaching retirement. He has just a few years left and he is already making plans. One of these plans of his was to purchase a small cottage in the Ozarks. For those of you who aren’t from Kansas City, the Ozarks are a few hours south of here and are … Read more

Product Review: Inofia GA2 30 Pints Dehumidifier

Inofia GA2 30 Pints Dehumidifier

There are a variety of reasons as to why you would decide to purchase a dehumidifier. It could be that you have an allergy or are an asthma sufferer and you need clean air circulating throughout your home. It could be that you have noticed water collecting on the inside of your windows in certain … Read more

EPA Settles With Grocery Chain on Clean Air Violations

It was announced last Friday that an agreement had been made between the Federal Government’s EPA/Justice Department and the company Southeastern Grocers (SEG). Southeastern Grocers is a large grocery store chain that operates nearly six-hundred stores across the southern United States.  They operate under various supermarket chains including BI-Lo, Winn-Dixie, Fresco y Mas, and Harveys … Read more

7-Eleven Says Goodbye to R-404A

7-Eleven, the world’s largest convenience store with sixty-eight thousand stores, has announced a partnership with Honeywell and their Solstice refrigerant line. Specifically, 7-Eleven has announced that they will be switching their condensers away from R-404A and over to the Solstice N40 refrigerant in the United States and Canadian markets. That is nearly twelve-thousand stores. This … Read more

June HFC Refrigerant Pricing Alert & Anti-Dumping


On April 4th, 2019 a suit was filed by the HFC Coalition to the International Trade Commission (ITC). This suit aimed at stopping the dumping of HFC blended refrigerants such as R-410A, R-404A, and R-407C. The ITC’s decision on rather or not to review the suit was set for a deadline in May, but it … Read more