For more than 117 years, CNA has built relationships with agents and brokers to meet the insurance needs of businesses of any size.Headquartered in Chicago, we provide insurance solutions to more than 1 million businesses and professionals worldwide.or more than 117 years, CNA has built relationships with agents and brokers to meet the insurance needs of businesses of any size.
Here are the likely causes of AC smelling like gas: Refrigerant gas leak. If the coolant in your air conditioner leaks, youâll get a gas smell. The problem will also affect the efficiency of your cooling and needs to be addressed quickly before further damage occurs. Natural gas leak. Your AC will smell like gas if thereâs a leak anywhere near the compressor or ductwork.
Freon is a coolant/refrigerant used in A/C's or refrigerators to cool the air. It is illegal in some states so check before use. California mandates R-134a as a alternative.ou smell this because ozone is created when lightning interacts with â¦ oxygen.    After a short period of time, your nose will become acclimated to the presence of ozone, and you will not notice it, unless the concentration increases.