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Find Insulation pros in Randolph

Avatar for McLaughlin Weatherization
McLaughlin Weatherization
4.8(
39
)

Serving Randolph, MA and surrounding areas

Approved

Free estimates

Credit card accepted

Customers say: Super punctual

"Professional crew; work was done quickly, with minimal disruption and fairly good cleanup. The house is older and the crew chief took reviewed the interior carefully to insure there would be no damage to the walls in the insulation process."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+1

Response time2 days
22 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Complete Home Comfort
Complete Home Comfort
5.0(
9
)

Serving Randolph, 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 Clean Tech Construction, LLC
Clean Tech Construction, LLC
5.0(
13
)

Serving Randolph, MA and surrounding areas

Approved

In business since 2019

Free estimates

Emergency services offered

"Very pleased with the work done which included removing attic flooring, removing existing insulation and sealing leaks, adding more insulation to attic and insulating eaves in attic, basement and crawl space. Workers answered questions and kept us informed. Cleaned up very well."
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 Randolph, 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
Avatar for Heat Huggers Insulation LLC
Heat Huggers Insulation LLC
3.6(
5
)

Serving Randolph, MA and surrounding areas

Approved

In business since 2018

Free estimates

Offers commercial services

"A huge thanks to Heat Huggers! The crew exceeded my expectations with their impressive display of timeliness and professionalism. They were respectful of my home for the duration of their time on the property and made a continuous effort to ensure that I was satisfied with the work being done. I am grateful to everyone on the Heat Huggers team for their wonderful work on my home."
Insulation
Insulation
Insulation
Insulation
Insulation

+1

Response time2 days
5 neighbors recently requested a quote
Recommended by50%of homeowners
Avatar for Reliable New England Craftsmanship
Reliable New England Craftsmanship
5.0(
19
)

Serving Randolph, MA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Warranties offered

"I could not be happier with my finished basement! They were polite and courteous did an awesome job. They framed, insulated, installed new floors, a drop ceiling, built in closets, new stairs, and even had heat and AC installed. Highly Recommend!"
Apartment remodel
Living room update
Finished Basement
Completed Bathroom
Completed Room

+81

Response time5 hrs
Response rate87%
8 neighbors recently requested a quote
Avatar for WS Builders Corp
WS Builders Corp
4.1(
69
)

Serving Randolph, MA and surrounding areas

Approved

In business since 2010

Free estimates

Warranties offered

"My house needed to be repaired from a huge fire. I was looking for a GC that has extensive knowledge of fire damage. After multiple quotes, I chose WS Builders because the owner was very professional and knew what he was talking about. Wladimir assisted me from beginning to end. We gutted the whole house and replace all the electricity. This was a big project and it was necessary to find a GC who had previous experience in rebuilding a house damaged by fire. I am very please with Wladimir's work ethic and professionalism. He had a quick turnaround and communicated thoroughly to ensure that I fully understand what was going on during the project. I recommend using him if you are looking for somebody with years of experience. Regardless of what job it is, he has the subcontractors to ensure the job is completed in a timely manner."
Addition
Basement renovation
Roof Renovation
KITCHEN REMODELING
2 and 3 Floor Addition

+75

Response time10 hrs
4 neighbors recently requested a quote
Recommended by82%of homeowners
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Showing 1-10 of 93

FAQs for insulation service projects in Randolph, 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 Randolph, 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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