Find a Residential Registered Vendor

Use this tool to find an Energy Advisor, Contractor, or Renewable Energy Installer near you.

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^* Ranked according to the quantity of projects that received a rebate from Efficiency Maine over the past four months.

Energy Advisors are certified as Building Performance Institute (BPI) Building Analysts AND Maine Limited Energy Auditor Technicians (LEAT). They have all of the tools and training required to analyze your home energy use.
Find out more about Energy Advisors and energy assessments

Energy Assessment & Air Sealing – To qualify for this category, Vendors complete air sealing on residential projects as recommended by BPI-certified Energy Advisors.
Find out more about air sealing and energy assessments

Insulation – To qualify for this category, Vendors provide evidence of manufacturer training in the proper use and application of insulation products.
Find out more about insulation projects

Heat Pumps - To qualify for this category, Vendors provide evidence of EPA refrigerant-handling certification as well as completion of ENERGY STAR heat pump manufacturer installation training.
Find out more about heat pumps

Natural Gas/Propane/LP – To qualify for this category, Vendors provide evidence of current status with a Fuel Board License (Master or Journeyman, Propane and Natural Gas Technician).
Find out more about high-efficiency heating systems

Oil/Kerosene - To qualify for this category, Vendors provide evidence of current status with a Maine Fuel Board License (Master or Journeyman, Oil and Solid Fuel Technician).
Find out more about high-efficiency heating systems

Pellet Boilers - To qualify for this category, Vendors provide evidence of current status with a Maine Fuel Board License (Master or Journeyman, Solid Fuel Technician).
Find out more about pellet boilers

Pellet/Wood Stoves - To qualify for this category, Vendors provide evidence of current status with a Maine Fuel Board License (Master or Journeyman, Oil and Solid Fuel Technician), or Chimney Safety Institute of America (CSIA) certification or National Fireplace Institute (NFI) certification.
Find out more about pellet and wood stoves

Geothermal - To qualify for this category, Vendors provide evidence of current status with the International Ground Source Heat Pump Association (IGSHPA) Accreditation.
Find out more about geothermal systems

Heat Pump Water Heaters - To qualify for this category, Vendors provide evidence of a current Maine Plumber's License (Master or Journeyman).
Find out more about heat pump water heaters

Solar - To qualify for this category, Vendors must provide evidence of training from the North American Board of Certified Energy Practitioners (NABCEP) and, at minimum, earn a Certificate of Knowledge in either Solar Electric (PV) or Solar Hot Water technology.
Find out more about solar installations

Low Income - These vendors have agreed to work within the guidelines of the Low-Income Home Energy Savings Program.

How to Become a Registered Vendor

Selection of a vendor is the responsibility of the customer. Registered Vendors on this web site are independent of Efficiency Maine. Efficiency Maine does not endorse or recommend any particular service provider. Matters of project contracting and performance are between the customer and selected service provider.