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TRUSTED BY STOW, MA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon32
    Verified energy efficiency auditing services reviews

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

Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Energy Audit - For BusinessHome Energy Audit

Serving Stow, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"I whole heartedly recommend Airco. Their team was experienced, skillful, friendly and professional throughout the duration of this job, from Joe's first visit to my home to discuss air conditioning options to Derek and Cam's final touches on the duct system. I had complete confidence in them, as well as in Steve, Danny, Frank and Patrick. Additionally, Airco's connections to MassSave and Commerce Bank meant financing and payment options to suit my budget. No more hauling loud and heavy window a.c. units up from the basement. Instead, I am enjoying consistent cooling throughout my home with no noise whatsoever. I am a very happy customer!"
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+4

Response time2 days
1 neighbors recently requested a quote
Recommended by96%of homeowners
Avatar for Gabriel Hahn
Gabriel Hahn
New to Angi
Home Energy Audit

Serving Stow, MA and surrounding areas

Approved

Emergency services offered

Small jobs welcome

Credit card accepted

I conduct energy audit tests for homes, whether they are colonial or brand new construction. I can recommend you various forms of weathersealant, thermal wrappings, and storm window techniques, saving you thousands in the form of long-term heat insulation tech-forward solutions.

Avatar for Tingley Electric Services Inc
Tingley Electric Services Inc
4.7(
219
)
Energy Audit - For BusinessHome Energy Audit

Serving Stow, MA and surrounding areas

In business since 2003

Credit card accepted

"We have not had work done yet. This Is review of inspection and estimate of work. They called us because they had a cancellation and could fit us in a couple of days early. That was appreciated. Estimate was clearly explained. Employees were professional and pleasant. We plan to follow up with them on the work. Also company shows good use of technology in providing updates and documentation along they way."
Our Staff
Our Staff
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+1

Recommended by95%of homeowners
Avatar for The Energy Monster MA, Inc.
The Energy Monster MA, Inc.
4.2(
14
)
Home Energy Audit

Serving Stow, MA and surrounding areas

In business since 2003

Free estimates

Credit card accepted

"My house had problems with ice dams and ice build up on the roof. After they installed air sealing and cellulose the issues went away. Our house is more comfortable and stays warmer longer. The installers had a professional appearance and great customer service. Plus they were able to find us rebates thru the utility company to help pay for the project. Highly recommended!"
Mitsubishi Ductless Mini Splits
Holland, MA (5.3KW)
Marlboro,MA (7.8KW)
Energy Audits in MA
Response time2 days
Recommended by100%of homeowners
Avatar for JB's Home Energy, LLC
JB's Home Energy, LLC
4.6(
5
)
Energy Audit - For BusinessHome Energy Audit

Serving Stow, MA and surrounding areas

In business since 2015

Free estimates

Credit card accepted

"This pro did a nice quality job for the most part friendly, clean, shoes off while in the house, the blower door test was great. The thermal imaging was a bit lacking no actual thermal imaging gun but some kind of app on his phone not worth what was charged for it. All in all house is pretty tight with just a couple questionable areas that I can take care of I would recommend the blower door test for sure."
Work
Work
Work
Work
Work

+3

Response time2 days
Recommended by100%of homeowners
Avatar for American Energy Revolution
American Energy Revolution
5.0(
1
)
Home Energy Audit

Serving Stow, MA and surrounding areas

In business since 2022

Free estimates

Emergency services offered

American Energy Revolution is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

25 Years Savings
Locked in 25yr kWh rate
Solar panels
Solar panels
Response time8 hrs
Dr. Energy Saver
3.1(
23
)
Home Energy Audit

Serving Stow, MA and surrounding areas

In business since 1994

Free estimates

Warranties offered

"My project has not started and is scheduled for middle of May. My rating at this time is for the overall interest shown from the beginning. Examples, I was immediately contacted to set up an appointment to review my project. This lasted two hours going over everything from top to bottom. Included was what is called a blower door energy audit. Plus other devices used to show where much energy was being lost/wasted. A lot of effort and feedback was provided many situations were pointed out to me in order that the job be completed professionally."
 Almost Done
Our double contoured Window
 Sunrise Replacement Windows
 The old window that was Leaking Air
 Here's a closer look at the SuperDeck and how it

+24

Recommended by83%of homeowners
Avatar for Vista Home Improvement
Vista Home Improvement
4.3(
419
)
Energy Audit - For BusinessHome Energy Audit

Serving Stow, MA and surrounding areas

In business since 2005

Free estimates

Emergency services offered

"Yes the work was done. The two guys that came put in 7 windows and two big bay windows in one day. They did not even taken a break. They cleaned up the small pieces of scrap. Then one week later they came back and put in two new doors with the same professionalism when they did my doors."
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+41

Recommended by87%of homeowners
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Energy Efficiency Auditing FAQs, answered by experts

Setting your AC unit to 78 degrees can, indeed, help you save energy. In fact, according to experts, every degree you turn the unit up could save you between 1% and 3% on your energy bills. That said, turning your unit off entirely while you’re out might actually be less efficient than keeping it on at a higher temperature. Why? The unit will need to work extra hard to cool the house back off again after all those hot hours. 

When installing a new furnace, it's a good time to consider other projects that can enhance your home's energy efficiency. A great first step is to get a home energy audit, which will identify areas for improvement. Common recommendations include sealing or replacing windows and adding insulation to the attic. These upgrades can help you save money on monthly utility costs. You might also consider installing a smart thermostat to make heating your home more convenient and efficient.

To determine the right size generator for your house, you should calculate the total wattage of the appliances and devices you want to power during an outage. List all essential items, note their start-up wattages, and add them together.

Here are some typical wattage requirements for common appliances:

  • Refrigerator: 600 watts

  • Large dehumidifier: 700 watts

  • Large window air conditioner: 1,400 watts

  • Water heater: 3,000 to 4,500 watts

  • Electric furnace: 5,000 to 25,000 watts

A 7,500-watt generator might be sufficient for essentials like a refrigerator, freezer, well pump, and lighting circuits. However, for high-demand items like a water heater or furnace, a whole-home generator is a better choice. A portable generator may be enough if you only need to power a few critical items.

While home square footage can offer a rough estimate, it is not always a reliable indicator. For reference, here are some typical generator sizes based on square footage:

  • 1,000 sq ft: 6–9 kW

  • 1,500 sq ft: 7–10 kW

  • 2,000 sq ft: 10–14 kW

  • 2,500 sq ft: 12–16 kW

  • 3,000 sq ft: 16–20 kW+

For the most accurate sizing, consult a professional who can calculate your home's peak and average power consumption and recommend the optimal generator.

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.

Typically, triple-pane windows made with krypton gas filling are the most energy efficient. A window’s frame, glass, design, and installation all affect its energy efficiency. These windows, in particular, are designed highly effectively in terms of their ability to insulate.

The Stow, MA homeowners’ guide to energy efficiency auditing services

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