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We’ve Been Here Before Many of us remember when the refrigerant and propellant R-22, a hydrochlorofluorocarbon (HCFC), was phased out in the USA under the Montreal Protocol due to its damaging effect on the ozone layer. HVACR (heating, ventilation, air…

With Amazon.com founder Jeff Bezos debuting his new $500M sailing yacht, Koru, and its support vessel, Aboena, we at Pre Compliance thought we should make a comparison of our founders’ nautical fleet. What better way to do that than to…

In a world increasingly hazardous to modern buildings and infrastructure, the public expects our hospitals, water supply, electrical grid, first responder headquarters, defense facilities, and hazardous material storage to be safe, operable, and reliable under extreme events. These assets demand…