
Serving Salem, MA and surrounding areas
Approved
In business since 2018
Free estimates
Small jobs welcome
"They were very attentive to all questions I asked. I would highly recommend them. We feel warmer now that the insulation was blown in."





+9


Serving Salem, MA and surrounding areas
Approved
In business since 2018
Free estimates
Small jobs welcome
"They were very attentive to all questions I asked. I would highly recommend them. We feel warmer now that the insulation was blown in."





+9

Serving Salem, MA and surrounding areas
Approved
Free estimates
Credit card accepted
Customers say: Super punctual
"The team from McLaughlin Weatherization, who completed the work from my Mass Save Program energy audit to install insulation in my attic was AWESOME! They were a team of 3, who ensured the job got done efficiently and well. Professional, courteous and personable! I was very pleased with how they entered my home, treated my home and me while in it and when they left they even brushed up the very last of any dirt they might have brought in. I cannot rave enough about how great the experience was because I was able to work downstairs and stay out of their way but they definitely went above and beyond in my opinion! I didn't know the front door would get a package of weather stripping too. So while that was nice, the guy in charge of the team of 3 not only removed the old to install the new, the front door closes properly now! I cannot thank you enough for this small act of kindness (even if it was fixed with the new trim) because I had been so worried about my kitties getting out one day because the latch would not catch to keep the door closed. Also, the senior member leading the team demonstrated his years of experience and knowledge and explained everything to me and answered all my questions. I highly recommend this company as a partner for Mass Save and I would personally pay them for any future work needed if not covered by Mass Save."





+1

Serving Salem, 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."
Serving Salem, MA and surrounding areas
Approved
In business since 2012
Free estimates
Credit card accepted
"Crew was very friendly, knowledgable, and hard-working. They did a great job insulating my attic, basement, and eve. They did more work for lesser price than another competitor. After signing the contract the job was quickly booked! I would highly recommend!"

Serving Salem, MA and surrounding areas
Approved
In business since 2018
Free estimates
Emergency services offered
"I don’t know why anyone would hire anyone else. Anthony is courteous/responsive, knows insulation cold, was quick to provide estimates and service and is smart about his hires, with net results—great workmanship at a very fair price."





+5

Serving Salem, 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"





+1

Serving Salem, 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.

Serving Salem, MA and surrounding areas
Approved
Super Service Award Winner
In business since 1985
Free estimates
Warranties offered
"Bob is so easy to work with. He quickly gave a reasonable quote and came to install my new ducted range hood within a week and completed the job in couple of hours. He and his brother were just pros. It’s also very convenient that you can pay him with a credit card. I highly recommend Bob for your home projects. I’ll definitely keep him mind for my future home projects."
Serving Salem, MA and surrounding areas
Approved
In business since 1994
Free estimates
Emergency services offered
"Robert was terrific. He arrived promptly at 8:00am. He had all the tools he needed for the various projects. I asked him to do a few more that we had not discussed earlier and he was very willing to do those as well. I thought he was great, I would hire him again."





+24

Serving Salem, MA and surrounding areas
Approved (Corporate)
In business since 1975
Free estimates
Credit card accepted
"Quality Insulation of Portsmouth did two jobs for me: They added blown in insulation to my attic last fall and installed gutters plus leaf guards this spring. Both jobs were excellently done at a reasonable cost. I would certainly recommend them and will likely use them again in the future."




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

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