ComStar and A.S. Trust & Holding Agree to Produce and Market First Climate-Friendly Hydrocarbon Refrigerant Approved by EPA

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HCR188C1, a climate-friendly refrigerant with a Zero Global Warming Potential (GWP) as well as a Zero Ozone-Depletion rating, is the first non-toxic hydrocarbon refrigerant approved by the EPA for sale in the US. It will be produced by ComStar International of New York in partnership with its developer, A.S. Trust & Holding of Hawaii.

HCR188C1 displays a Zero Global Warming Potential (GWP) as well as a Zero Ozone-Depletion rating and is the first non-toxic hydrocarbon refrigerant approved by the EPA for sale in the US for household refrigerators and stand-alone freezers.

Steven Mella, CEO of ComStar International and Richard Maruya of A.S. Trust & Holding have come to an agreement to manufacture, market and distribute the hydrocarbon refrigerant known as HCR188C1. This coolant, a patented blend of ethane, propane, butane and other pure hydrocarbons, displays a Zero Global Warming Potential (GWP) as well as a Zero Ozone-Depletion rating and is the first hydrocarbon refrigerant approved by the EPA for sale in the US, with the public comment process having been completed on July 9. The American Society of Heating, Refrigeration and Air-Conditioning Engineers (ASHRAE) has proclaimed HCR188C1 to be non-toxic; in addition, the coolant is now a listed refrigerant with ETL (Intertek).

HCR188C1, designed to replace environmentally harmful chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs), will soon be in the public comment stage as solicited by ASHRAE. Results are expected by October for a final SNAP ruling to list the coolant as an approved alternative refrigerant for use in household refrigerators and stand-alone freezers. (SNAP refers to the EPA’s Significant New Alternatives Policy initiative, a part of the Clean Air Act.) Intertek Testing Services NA, Inc. of Columbus OH has tested HCR188C1 and shown it to display properties far superior to R134A, a high-GWP HFC commonly used in today’s refrigerators, freezers and air conditioning systems.

For example, in refrigerators running with HCR188C1, energy tests have shown a 48% decrease in power consumption when compared to the same units operating with R134a, all while using just 25% of a normal charge of R134a (by volume) or just 40% of a normal charge of R22. The coolant operates effectively in equipment containing mineral oil and can be used as a direct replacement in appliances and air-conditioning systems designed for R134a and R22. Though flammable, the very small amount of this climate-friendly refrigerant required in such systems presents an exceedingly small risk. Moreover, A.S. Trust & Holding holds a patent on a Refrigerant Safety Service Port Valve that could be used on larger systems. This unique valve, invented by Richard Maruya and George Whitmyre, operates by shutting down the system when there is a drop in operating pressure.

Mr. Maruya has spent more than a decade developing the HCR188C1 formulation and is pleased to announce this partnership with ComStar, a company known for its total commitment to environmentally safe, industrial strength chemical products. The two parties have also agreed to blend the coolant at ComStar’s Houston, Texas facility, a step that not only maintains but will possibly create jobs that keep Americans working. HCR188C1 will be available through Comstar. Soon to be coming out also will be a line of 18- to 21-cubic-foot refrigerators assembled in America and operating solely with HCR188C1 as the coolant.

About A.S. Trust & Holding, Inc.
A.S. Trust & Holding has spent more than a decade developing hydrocarbon (HC) combinations for new coolant fluids that are based on purely green chemistry, friendly to the climate and also energy efficient. HCR188C1 is a groundbreaking technological advancement capable of revamping entire industries where coolant/refrigerants are in common use. Target applications include cooling systems such as those found in consumer (home) air-conditioning systems, commercial/industrial air-conditioning systems and air conditioners for use in automobiles and other vehicles, refrigerators, freezers and beverage-vending machines. In many cases the refrigerant can be used as a drop-in replacement without reengineering the equipment. A.S. Trust & Holding is registered in Saipan, part of the United States Commonwealth of the Northern Mariana Islands, and is a Corporation registered in the State of Hawaii. The Company began operations in 1998 and filed its first patent in 2000. http://www.HCR188C.com
About ComStar International Inc.
ComStar International manufactures the most comprehensive line of environmentally safe, industrial strength chemical products. For more than forty years, ComStar has been a leader in developing, manufacturing and marketing over 270 specialty products designed specifically for the service trade professional. Distributed both domestically and abroad through a network of ComStar companies and representative offices, wholesalers and distributors, ComStar offers products to the heating, ventilation, air conditioning and refrigeration (HVACR), plumbing, transportation, indoor air quality (IAQ), building maintenance and construction industries. http://www.comstarproducts.com

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Richard Maruya

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