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Top-Rated Energy efficiency auditors in Gray - Updated Nov 2026

UCA (Microbial Investigation)
4.6(
54
)
Home Energy Audit

Serving Gray, ME and surrounding areas

In business since 1996

"Our house was brand new - only 1 year old. Since moving in I had been very sick with lots of ailments - nausea, light headed, constant sinus/ear infections, dizziness and vertigo. We had high end all wood floors, kitchen, etc. After many, many medical exams and tests showed no cause and the so called "experts" had no suggestions - we consulted with Bob. Luckily our air quality tests showed no mold - but showed "debris" such as VOC's, etc. from a newly built home. Since our new home was made extremely tight and energy efficient, the poor air quality could not escape on it's own. Bob "scrubbed" our air. I felt immediate improvement in my health and within a week's time - all symptoms of chronic stuffiness, dizziness and other were gone. Back to having fun and breathing well! I had no idea I was so allergic to VOC's, etc. Bob was just superb. Thank you!"
Recommended by86%of homeowners
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

DH Insulation And Home Performance LLC is a small Veteran owned business who's goal is to help homeowners lower their heating and cooling costs while also making their home much more comfortable. With rebates through Efficiency Maine homeowners can expect to see a return on their investment through saved heating costs in 3-5 years!

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Recommended by80%of homeowners
Avatar for R&J Solar LLC
R&J Solar LLC
5.0(
2
)
Energy Audit - For BusinessHome Energy Audit

Serving Gray, ME and surrounding areas

In business since 2022

Free estimates

Credit card accepted

We provide residential and commercial solar power options, and provide support services for industry partner companies. We offer no cost consultations and $0 down financing. Please contact our office for a consultation at (931)922-8258.

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+3

Recommended by100%of homeowners
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

It can be a daunting task looking for not only the right contractor for your job but also the right contractor for you. We completely understand what you're going through. We know every customer has different desires, different needs and different schedules. We're not only here to turn your ideas into reality but to make it a memorable experience every step of the way. Call us right now, no matter where you are in the planning process.

New gas and hot water
new electric
sfter completion
plumbing
Response time12 hrs
Recommended by100%of homeowners
Avatar for Russells HVAC
Russells HVAC
5.0(
5
)
Energy Audit - For BusinessHome Energy Audit

Serving Gray, ME and surrounding areas

In business since 2018

Free estimates

Russell's HVAC - Central Maine's Premiere Heat Pump Installation\nHeating, Cooling, and Dehumidifying\nContact us for Installation, Maintenance, Repairs, and Cleanings\nServicing Central & Southern Maine\n\n**We DO-NOT offer OIL/GAS Services**

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+5

Recommended by100%of homeowners
Avatar for Mr. Handyman of Greater Portland
Mr. Handyman of Greater Portland
4.5(
18
)
Energy Audit - For BusinessHome Energy Audit

Serving Gray, ME and surrounding areas

In business since 2014

Free estimates

Credit card accepted

Welcome to Mr. Handyman, where professional, safe, reliable handyman service for your entire "To Do" list is just one call away. That's why local residents choose our professional handymen, who specialize in ALL major and minor home repairs over an independent handyman. Mr Handyman technicians are insured, background checked and full-time employees.

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+1

Recommended by100%of homeowners
Energy Efficiency Auditing FAQs, answered by experts

A home energy audit costs about $420 on average, with prices ranging from $100 to $2,250 or more. The final cost depends on factors like your home's size, location, the thoroughness of the audit, and the specific tests performed. A basic Level 1 walk-through inspection typically costs between $150 and $200, while a comprehensive Level 3 audit with detailed testing and a report costs around $900. Homeowners may be able to use the 2022 Inflation Reduction Act’s Energy Efficient Home Improvement credit to cover up to $150 of the audit cost.

Costs for common individual tests include:

  • Blower door test: $350

  • Duct testing: $100

  • HERS test: $375

  • HERS certification: $200

  • Infrared imaging: $200

Yes, with features like LED lighting and variable speed controls for efficiency.

Provide utility bills and clear access to all areas of the home, including the attic and basement.

It’s not recommended to turn off your breaker box in hopes of saving electricity. Breaker boxes were not designed to constantly be switched on and off. Therefore, turning off breakers unnecessarily can cause costly damage that outnumbers any energy savings. Only flip your breakers if absolutely necessary when troubleshooting an electrical issue.

A whole-house humidifier can positively impact energy consumption by improving heating efficiency. During colder months, humidified air feels warmer, which allows you to lower your thermostat without sacrificing comfort. This adjustment can lead to significant energy savings as your heating system works more efficiently. However, it's important to use the humidifier judiciously, as excessive humidity could potentially strain your cooling system in warmer months.

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.