HVAC Services for Your Home and Business Since 1973, Arnett Heat & Air Inc has been fully licensed and insured to handle the toughest heating and air conditioning jobs around McMinn County, Tennessee. We are committed to providing our customers with friendly and quick service and quality results. Our professionally trained crew can install, replace, service, maintain and repair all makes and models of heating and air conditioning systems for homes and businesses. We utilize local suppliers to make sure we can get the job done as quickly as possible