I have been in the HVAC business for 15 years. I have been an installer for 10 years and a installer/service tech for 5 years. I’m licensed in heat pump commissioning as well as duct leakage testing. I have put in gas furnaces, electric air handlers, all duct work for a new building, conventional heat pumps, air conditioners and wood bowler systems. Multi head ductless heat pumps, package unit commercial as well as residential and vrv systems for commercial use.