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*The Angi rating for Energy Efficiency Auditing companies in Gray, ME is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

*The HomeAdvisor rating for Energy Efficiency Auditing companies in Gray, ME is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Energy Efficiency Auditing needs.

Last update on June 27, 2026

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Avatar for DH Insulation And Home Performance LLC
DH Insulation And Home Performance LLC
5.0(
5
)
Energy Audit - For BusinessHome Energy Audit

Serving Gray, ME and surrounding areas

Free estimates

"David provided work in a timely and professional manner. David is dependable and did an excellent job with both insulation and a fencing job. Call him for what you need!!"
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Recommended by80%of homeowners
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Avatar for Bryan's Solar Energy Facebook
Bryan's Solar Energy Facebook
5.0(
1
)
Energy Audit - For BusinessHome Energy Audit

Serving Gray, ME and surrounding areas

In business since 2019

Credit card accepted

Offers commercial services

"I had a wonderful experience with this company. They were punctual, very friendly and kind, and clearly knew their business. I would highly recommend them to any homeowner! Great job Team!"
New gas and hot water
new electric
sfter completion
plumbing
Response time12 hrs
Recommended by100%of homeowners
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Energy Efficiency Auditing questions, answered by experts

Blower door tests are measured in a few different ways, but the most popular are air changes per hour (ACH) and cubic feet of air (CFM) moving through the house per hour. A good ACH score is less than 2ACH, but 1ACH is better. This means the house experiences a total air change within 60 minutes (for 1ACH). For 2ACH, there’s a complete change every 30 minutes, and so on. CFM scores are similar in that a lower score means less air change, and therefore less leakage.

Costs depend on pipe length, accessibility, and whether additional services are required.

ENERGY STAR®-certified windows are the most energy-efficient windows on the market. This certification means that the window meets strict efficiency guidelines set forth by the Environmental Protection Agency. While they might cost more upfront, they can save you money on your energy bills in the long run. ENERGY STAR®-certified windows lower household energy bills by an average of 12% annually.

There are a couple of ways you can save on the cost of your home energy audit. First, find out if you qualify for programs like the Department of Energy’s Weatherization Assistance Program for low-income households. Next, check with your local utility company to find out if you qualify for any local rebate programs to offset the cost of this helpful service.

You can save money on heating oil through a combination of improving home efficiency and smart purchasing strategies.

Home Efficiency and Usage:

  • Improve Insulation: Ensure your home, especially the basement and attic, is well-insulated and sealed against drafts to prevent heat leakage.

  • Manage Your Thermostat: Use a properly calibrated and programmable thermostat. Lower the temperature by a few degrees, particularly when you are away from home or asleep.

Purchasing Strategies:

  • Buy in the Off-Season: Order heating oil during the summer months when prices are generally at their lowest. This strategy is most effective if you have a large primary tank or a separate storage tank to accommodate bulk deliveries.

  • Consider a Delivery Contract: Some companies offer contracts with a set price for the term. This can lead to savings if market prices for oil increase, but you might pay more if prices drop.

The Gray, ME homeowners’ guide to energy efficiency auditing services

From average costs to expert advice, get all the answers you need to get your job done.

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