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SeeAir is an Everett-based home-energy company whose calling card is the MassSave program: a no-cost AI-driven home energy assessment that leads, for most customers, straight into insulation and air-sealing work subsidized heavily under that program. Its Massachusetts home improvement contractor registration is active, held by SeeAir, Inc. The volume and consistency here stand out — a 5-star average across 23 Google ratings and a 5.0 average across 17 Thumbtack reviews, spanning 22 written reviews from 2024 into 2026 with nine posted in the last six months and none negative. The same crew names keep coming up: Freddy, Aziz, Josh, Raul and Shaq are credited by name for blowing insulation into ceilings and walls, foaming rim joists, and sealing gaps, and a September 2026 review describes the company installing a heat pump system with support from the CEO through the whole job. The specifics repeat: a colonial that used to run its AC past midnight now holds steady after a day of air-sealing and insulation, and a cape that turned into an oven by midday no longer needs the AC touched until late afternoon. In an April 2025 review, a customer said the crew came back after the initial visit to redo insulation that hadn't dried the way she wanted, staying until she was satisfied. One thing worth asking about before booking: a November 2025 review described insulating from inside the house rather than outside, because of old siding, and said the job turned out bigger than expected — the customer was happy with how SeeAir handled it but said she wouldn't necessarily recommend that approach itself. Worth raising if your home has older siding. Thumbtack also lists a Massachusetts Construction Supervisor license for the business, verified by Thumbtack, separate from its state-registered home improvement contractor registration. SeeAir is a solid call for a homeowner chasing MassSave insulation or heat pump rebates who wants the assessment, paperwork and install handled by one company — just ask how they'd approach your specific wall and siding situation before signing on.
We could not be happier not only with the work but also the service and support provided by SeeAir in the installation of our heat pump system. From start to finish, from the installation team and support staff to the CEO, SeeAir was exceptionally responsive. The work was done quickly and efficiently and they answered our many questions along the way and after the work was completed. When making a major change to HVAC in our home and a considerable investment, it was reassuring to have SeeAir perform more as a partner than simply as a contractor. Piers and his team are reliable and conscientious in their approach to the work and the business. Definitely give strong consideration to SeeAir when exploring companies to do weatherization and HVAC work.
Thank you very much for taking care of our insulation needs. As you know, the devil is in the details when it comes to insulation installment. Having observed Josh and Aziz work over the days in doing the job, I found them to be very professional, with a great attention to details. In some cases, they went above and beyond just because it was the right thing to do. I can’t say enough good things about their work, especially during an extremely hot period of the summer. Thank you again. If I ever hear of a homeowner needing insulation, I will send them your way.
Great experience, the guys did a wonderful job, very nice and polite 👍🏻
Thank you Piers and team . Good work with heat pumps
Couldn't be happier with SeeAir! They air sealed and insulated my home in just one day — professional, efficient, and left everything spotless. We live in a 4 bed colonial built in the 90s, so its not that old. AC serviced this week and the hvac guy told us our units are in great shape and not undersized. We have shades closed on every window. Despite this, we've had to set the AC to 64 each morning in hopes our house *might* only end up at 72 by the late afternoon, and then the AC would run until way past midnight to cool us back down again. Today was the first 90 degree day of the season since insulating- I set the temp to 65 and it DID NOT budge! It even got to 65 in mid afternoon and stopped cycling. By 7pm the AC turned off and the temp is staying steady. I've never thought I'd live to see that happen! You guys-Not only are we finally comfortable in our own home, but I can't wait to see how much savings we see from the AC running hours and hours less each day! Worth every penny and I hope everyone takes advantage of this awesome program.
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1 change recorded — last scanned Sep 6, 2026.
Leaves homes quieter and draft-free4.5
Big-budget renovations4.4
Fast response4.0
