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TRUSTED BY DUNSTABLE, MA HOMEOWNERS

  • Average homeowner rating star icon4.1
    Average homeowner rating
  • Verified reviews icon12
    Verified energy efficiency auditing services reviews

Find Energy efficiency auditors in Dunstable

Avatar for ENDLESS ENERGY NEW ENGLAND, INC.
ENDLESS ENERGY NEW ENGLAND, INC.
4.7(
20
)
Home Energy AuditEnergy Audit - For Business

Serving Dunstable, MA and surrounding areas

Approved

In business since 1980

Free estimates

Emergency services offered

Endless Energy is a trusted local HVAC and Plumbing Company servicing the majority of the state of Massachusetts with office in Marlborough, Needham, and Randolph. Specializing in Heat Pumps, Central AC, Furnaces, and Boilers, we have Master Plumbers, Electricians, and HVAC Technicians all under one roof reducing your need to find multiple contractors! We are also a Mass Save partner and can conduct your no cost Mass Save Home Energy Assessment and install any recommended insulation.\n\nWe can help you with: \n*Heating Repairs, Installation, & Service\n*AC Repairs, Installation, & Service\n*Plumbing Repairs, Installation & Service\n*Water Heater Replacement & Service\n*Indoor Air Quality Solutions\n*Ductwork & Line Set Solutions\n*Electrical Panel Upgrades and Replacement\n*Insulation \n*No Cost Home Energy Assessments\n\nA Mass Save certified contractor with an A+BBB rating. All of our skilled technicians undergo an extensive background and drug screening prior to being hired to our team!

Holliston Heat Pump
Boston Heat Pump
Natick Ducted System
221 neighbors recently requested a quote
Recommended by70%of homeowners
Avatar for Airco Home Comfort Services LLC
Airco Home Comfort Services LLC
4.7(
33
)
Energy Audit - For BusinessHome Energy Audit

Serving Dunstable, MA and surrounding areas

Approved

In business since 1998

Free estimates

Warranties offered

"Joe, the AirCo sales representative, was very professional. He actually asked for my feedback on priorities for a new boiler. This was important to me because the boiler sits below our family room, and the noise level of the boiler was as issue. His proposals listed several boiler options, based on heating efficiency, which were competitively priced. The installation was run by Steve, who was able to fit in the installation the next week. Steve, and his crews, were punctual and courteous, and the installation went smoothly. It's only been a week, but I am very pleased with my Bosch boiler, the quality of the work, the price paid, and the timeliness of the installation."
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+4

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

Serving Dunstable, 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 Commonwealth Energy MA
Commonwealth Energy MA
4.5(
32
)
Energy Audit - For BusinessHome Energy Audit

Serving Dunstable, MA and surrounding areas

In business since 2017

Free estimates

Credit card accepted

"Words can’t explain how excellent of a consultant Julian is ! I was very indecisive about solar until Julian gave me all the information I needed on behalf of solar while saving me a ton of money. I reffed my whole family to him and if anyone is looking to go solar or get information on solar definitely contact Julian ! his personality is unreal making you feel more like family. I’m glad to be apart of Commonwealth energy !"
Methuen installation
Methuen installation
Methuen installation
Additional Photos
Additional Photos

+5

Recommended by84%of homeowners
Avatar for American Energy Revolution
American Energy Revolution
5.0(
1
)
Home Energy Audit

Serving Dunstable, 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
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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.

Window AC units use a fair amount of electricity, but significantly less than central AC systems. Because they are more energy-efficient for cooling individual rooms or small spaces, their usage is comparatively low. On average, a window AC unit consumes between 500 and 1,400 watts, while a central AC system uses over 3,500 watts—meaning a window unit uses about one-third of the energy. This typically translates to a monthly running cost of $15 to $40, although this can vary depending on external factors.

Upgrade to double-glazed glass or apply energy-efficient coatings to reduce heat loss and utility costs.

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. 

Yes, most audits include a report with prioritized recommendations for improving energy efficiency. Confirm with your auditor.

The Dunstable, 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.