Efficiency Maine
Updated over a week ago

Eligible Products & Notes



Efficiency Maine List of Approved Wood & Pellet Stoves.
Date: 10.16.15
http://www.efficiencymaine.com/docs/Efficiency-Maine-List-of-Approved-Wood-and-Pellet-Stoves.pdf

  • Includes BTU/hr and AFUE rating

  • If you are selecting a wood or pellet stove as a HVAC system, be sure to open the manual utility pricing chart to add the cost per ton for the fuel.



Pellet Boiler & Pellet Furnace Eligibility Criteria and List of Eligible Models
Date: March 11, 2016
http://www.efficiencymaine.com/docs/Eligible-Pellet-Boiler-Criteria-and-List.pdf

  • In our app, boilers do not have a distribution system, so if a distribution system is required select a furnace.


Heat Pump Eligibility Criteria and List of Known Eligible Models
Date: March 15, 2016
http://www.efficiencymaine.com/docs/Eligible-Mini-Split-Heat-Pump-Criteria-and-List.pdf

  • Includes HSPF, Model number & Sizing

  • For heat pumps to be the most effective for Maine winters, they would need to include an inverter.


Solar Thermal Hot Water

  • Solar Thermal System with 80% solar fraction. Solar covers 80% of the load and 20% is covered by the existing system.

Efficiency Factors when converting from 100% electric tank to 80% solar with electric tank back up.

Efficiency Factors when converting from 100% gas tank to 80% solar with 20% gas powered tankless.


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