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Find Insulation pros in North Grafton

Avatar for EZinsul, Inc.
EZinsul, Inc.
4.6(
51
)

Serving North Grafton, MA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Jacob and his team were great ! Everyone was super nice. I felt very comfortable in what I was told in regards to what needed to be done. After talking to many different insulation companies this was the only one that knew what I needed done and was able to do it at a great pirce. They managed to finish same day which was amazing. The results are so nice ! We didn't know what to expect as the end result since this is my first time dealing with insulation problems. But everything looks great !! I will definitely be going to them for any future projects. A million thanks to them ! I highly recommend these guys for your insulation needs. A trustworthy and hard working company."
Fiberglass Insulation
Fiberglass Insulation
Fiberglass Insulation
Fiberglass Insulation
Fiberglass Insulation

+7

38 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Calnan's Energy Systems Inc.
Calnan's Energy Systems Inc.
4.8(
182
)

Serving North Grafton, MA and surrounding areas

Approved

In business since 1980

Free estimates

Warranties offered

"Rob was a great communicator and his promptness and knowledge were one of the main reasons we went with him over a slightly lower estimate we got. His sons did a good job of doing the work we required, which was messy work, and they left the place in pretty good shape with just some leftover bits of insulation here and there. If I have any additional insulation needs, Calnan would be my first call."
Knee wall is prepped for new insulation to be installed
1st layer or 2 inch insulation board installed against the roofline after existing fiberglass is removed and knee wall vacuumed clean
After old insulation is removed, and the knee wall is air sealed, the new insulation is installed on the wall
4 inches of 2 inch insulation board installed and foamed, ready for final cap layer of 2 inch Thermax insulation board
Lastly, the Tyvek is installed over the new insulation

+21

Response time4 days
6 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Absolute Energy Solutions LLC
Absolute Energy Solutions LLC
4.9(
19
)

Serving North Grafton, MA and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

"I recently had my attic insulated by this company and had a great experience from start to finish. The entire process, from the initial energy audit to customer service and the final installation, was smooth, professional, and well organized. The crew was incredibly kind, hardworking, and patient with all of my questions while they were on site. You can really tell this is a business with a family feel — everyone treated us with care and respect, and it made the whole experience much more comfortable. I would recommend."
9 neighbors recently requested a quote
Avatar for Complete Home Comfort
Complete Home Comfort
5.0(
9
)

Serving North Grafton, MA and surrounding areas

Approved

Free estimates

Warranties offered

Small jobs welcome

We pride our company on reliability, great communication,\nintegrity, and quality work. We are experts in our trade and will do our best\nto keep you as educated as we can on your particular task or project. We look\nforward to earning your business! We partner with utility-sponsored programs like Mass Save® Home Energy Services and Rhode Island Energy's EnergyWise Home Energy Services programs.\n

Basement Sills
Crawlspace Walls
Crawlspace Sills
Attic Floor
Attic Floor

+4

4 neighbors recently requested a quote
Avatar for Green Collar
Green Collar
4.6(
37
)

Serving North Grafton, MA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"I just hired them this week, so they haven’t started yet. They are doing it the way “This Old House,” does it (knee wall) and the price is very fair considering another estimate, wasn’t adding any foam board over the batts. I chose 5 star reviews and “up to code,” insulation pro."
Net and Blow
Ceiling net and blow
Truck in Driveway
Knee Wall Slope 2" Board
Attic Open Blow Cellulose

+2

Response time2 days
Response rate86%
45 neighbors recently requested a quote
Avatar for Clean Tech Construction, LLC
Clean Tech Construction, LLC
5.0(
13
)

Serving North Grafton, MA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Roy, Christian, and JJ did an excellent job . They were on time, polite, and knowledgeable. Roy double-checked the progress and answered any questions i had. Every portion of the job was done as it was explained to me during the quote. Sarah from customer service was responsive and notified when to expect crew. The gentleman ( forgot his name) that quoted job was informative, knowledgeable, and courteous. All in all, it was a very good experience . Regards, Paul"
Acushnet
Acushnet
Acushnet
Acushnet
Acushnet

+1

Response time1 day
Response rate88%
36 neighbors recently requested a quote
Avatar for Clean Tech Construction, LLC
Clean Tech Construction, LLC
5.0(
13
)

Serving North Grafton, MA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

Cleantechconstruction@mi.o 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.

Gallery
18 neighbors recently requested a quote
Recommended by81%of homeowners
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FAQs for insulation service projects in North Grafton, MA

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.

The North Grafton, MA homeowners’ guide to insulation services

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

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