DuPont led the in the invention of safer fluorocarbon refrigerants with the introduction of FREON 12 in 1931.
The commercial applications in the early days include the food service industry, storage, food processing and transportation of goods..
By the number of compound that make up the refrigerants, In the early days, the naming used is type of refrigerant followed.
The commonly used CFCs and HCFCs refrigerants are CFC-12 and HCFC-22..
The naming convention of refrigerants have been standardized by American Society of Heating, Refrigerating and Air-Conditioning Engineers.
The color of R-22 is Light Green and R-134a is Light ..
The discovery of the negative effect on the earth's ozone layer has caused the signing of Montreal Protocol in 1987 that called for the phasing out of CFCs and HCFCs..
Alora Bopray is digital content producer for the home warranty, HVAC, and plumbing categories at Today's Homeowner.
Alora wrote as writer for dozens of home improvement clients and informed homeowners about the industry as writer for EcoWatch.
alumna of University of Pennsylvania, Roxanne is now Oklahoma, DIY enthusiast, and the proud parent of playful pug...
Read more
Related items:
