Energy Audits

insulation button

heat pumps

A house acts much like a chimney and the process is referred to as the “chimney affect”. Cold air will “infiltrate” (pull in) at the lowest level of the home and then that air will be warmed up and rise in pressure through the building, where it will “exfiltrate” (push out) through leaks at the highest level of the home. Exfiltration is nearly impossible to identify under natural conditions as the heat that is leaking out is difficult to feel.

These locations leak constantly regardless of if the wind is blowing, and it happens 24 hours a day during the heating season. To find these leaks, a blower door (part of an energy assessment) is utilized to create a vacuum on the homes interior, causing all the leaks to pull in and at an exaggerated rate allowing us to find them, quantify their effect on the home, and seal them in the most effective manner. A favorite analogy is, if you could pick a house up and flip it over, then fill it with water, wherever the water would leak out is the same place air is leaking through it now.


Examples of Infiltration:

  • Bulkhead/Basement Door
  • Sill plates (top of foundation)
  • Oil Tank fill pipe penetrations
  • Basement Windows
  • Rubble/Rock Foundations (or cracks in concrete)
  • Electrical Penetrations
  • Drains to atmosphere

Examples of Exfiltration:

  • Attic Stairways/Hatches
  • Lights/Bath Fans/Ceiling Fans in Ceiling
  • Knee Walls
  • Unfinished ceiling corners (crown molding)
  • Chimney Chases
  • Plumbing Chases
  • Wiring Chases
  • Wood ceiling without a vapor barrier
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Efficiency Maine Air Sealing Promotion

Home Energy Answers is participating in a new program aimed at improving comfort as well as lowering your overall home heating costs. Visit the Efficiency Maine website for further details or call us today to get started eliminating those cold drafts in your home!

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 lighting

Lighting

Efficiency Maine works with lighting manufacturers, retailers, and distributors to reduce the prices of energy-efficient lighting products in stores statewide. Try Efficiency Maine’s lighting savings calculator to see how much you can save each year by replacing standard incandescent bulbs with energy-efficient bulbs.

In-store discounts available.

Find the best LED retail prices
Find a participating retailer
Find a participating distributor
Learn more about lighting options

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 heat pumps

Ductless Heat Pumps

Supplemental or Space Heating Systems

Ductless heat pumps (or “mini-split” heat pumps) distribute heat and cooling directly to the spaces where they are installed. Ductless heat pumps have an outdoor unit connected to an indoor unit via small, copper refrigerant lines.

$500 – $750 incentive available.

Learn more about heat pumps.

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 Heat Pump Hot Water Heater

Heat Pump Water Heater

Water Heating

Each year, thousands of Mainers buy heat pump water heaters. ENERGY STAR® reports that these high-efficiency units can save a four-person household more than $3,000 over ten years when compared to electric water heaters. Other benefits include long warranties and the ability to dehumidify.

$500 rebate available.

Learn more about heat pump water heaters.

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 attic insulation

Insulation

Under-insulated attics and walls can be a significant energy drain. For optimal energy efficiency, your home should be insulated from the roof down to the foundation. When insulation is properly installed, heating and cooling systems run less frequently, helping to reduce on-going energy expenses.

$700 incentive available.

Up to $2,100 available for insulation and air sealing projects.

Natural gas customers may be eligible for additional incentives.

Learn more about insulation.

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 wholehouse insulation

Basement Spray Foam Insulation

Insulation materials reduce the transfer of heat from one place to another. For optimal energy efficiency, your home should be insulated from the roof down to the foundation. When insulation is properly installed, heating systems run less frequently, helping to reduce on-going energy expenses.

$700 incentive available.

Up to $2,100 available for insulation and air sealing projects.

Natural gas customers may be eligible for additional incentives.

Learn more about Spray Foam Insulation.

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Roof Ventilation



Learn more about roof ventilation

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Assessments & Air Sealing



Learn more about assessments and air sealing