Refrigerant leaks could be particularly problematic in reach-in or walk-in coolers since flammable concentrations could build in these confined spaces and disperse outward when the door is opened.

The U.S. Environmental Protection Agency (EPA) has granted new regulatory flexibility to retrofit stationary air conditioners with a refrigerant that is slated to be phased out for other cooling, refrigeration and foam blowing purposes.

Do-it-yourself refrigerant conversion kits threaten to blow inadequate Canadian safety regulations wide open. Literally.

Canada's recycling rules offer a coincidental safeguard against counterfeit refrigerant, which is causing safety ...