Dual Fuel is a Licensed Master Plumber, General Contractor, NYSERDA Real Time Energy Management (RTEM) System and Service Provider, Coned C&I Partner, Coned Multifamily Partner and Energize NY Pace Contractor that provides oil to gas conversions, combined heat and power systems (CHP), boiler installations, building repipes, heating controls, boiler monitoring, energy supply (gas and oil), energy efficiency retrofits and emergency service to residential and commercial buildings.