Name: Denny's Service Co. Llc. Descripton:I have been in business 12 years, and have over 36 years experience in heating, air conditioning, water heaters and fireplaces. I worked for Mtn. Fuel and Questar for 31 years. I am RMGA certified, EPA certified, NATE certified, and have an A+ rating with the Better Business Bureau. I am licensed and insured. I do all the work myself, and I am very reasonably priced, fair and honest. All work is guaranteed.