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Aspen Environmental is a Methuen-based indoor-air and mold remediation crew whose Google page has piled up 123 ratings averaging 4.8 stars, and the pattern across those reviews is unusually consistent: customers name the specific technicians who showed up, describe being walked through the job step by step, and come away impressed with how clean the crew left the house. Mold remediation is where that track record runs deepest. Across dozens of reviews from 2022 through mid-2026, homeowners describe attics, basements, and whole-condo mold jobs handled carefully — one reviewer with an antique home specifically credited the crew with treating old wooden walls with extra care during an attic remediation. Air duct cleaning and AeroSeal duct sealing show the same pattern: named technicians walking customers through readings before and after, finding a disconnected duct or years of accumulated dog hair, and following up to confirm satisfaction. The company also does insulation work and holds an active Massachusetts home improvement contractor license, and its BBB profile — an A+ grade with long-standing accreditation — lists air duct cleaning, mold remediation and testing, water damage restoration, and asbestos testing among its services. The track record isn't spotless. In a 2025 review, a customer said post-remediation testing came back with high mold readings and they had to pay another company roughly $20,000 to redo the work and rebuild, with no contents list kept for their insurance claim. A separate 2025 review described a three-month wait for scheduled insulation work that was then cancelled at the last minute with no follow-up call. Further back, a 2022 review said the promised efficiency gains from an AeroSeal duct-sealing job didn't show up when comparing heating bills afterward. Before booking a remediation job, it's worth asking how the company documents contents and post-treatment readings for insurance purposes, and getting a firm schedule commitment in writing for insulation work. Given how deep and recent the positive record is — ten reviews in the last six months alone, all positive — most customers describe a crew that explains its work clearly and leaves the house clean, but that one remediation dispute is worth weighing for anyone facing a serious mold problem.
Gerson, Damian and Angel did an excellent job remediating the mold in the attic of our antique home. They were very careful and conscientious of the age of the house and the need to treat the wooden walls with care. We greatly appreciated their skill and effort. Highly recommend.
I recently had insulation work done by Aspen Environmental, and I’m extremely happy with the results. The team was professional, punctual, and very knowledgeable from start to finish. They explained the entire process clearly and made sure everything was completed with great attention to detail. The quality of the work was excellent, and you can tell they truly care about doing the job right. The crew worked efficiently, kept the area clean, and were very respectful throughout the project. I highly recommend Aspen Environmental to anyone looking for high-quality insulation work and outstanding customer service. Thank you to Angel, Richard, Sean, and Zachary for the amazing job!
I had a dirty dusty earthy smell coming from my ducts when I turned on the heat. This problem has been going on for at least a year. One company came in and cleaned the ducts in February. That didn’t fix the problem. I called Aspen in May and spoke to Andrew. We discussed not only cleaning the ducts but also sealing them. The equipment they use was more powerful and the process was superior, compared to the other company. Further, sealing the ducts from the inside using Aeroseal was huge because dirty dusty air in the ceiling and walls was getting pulled into my ducts and blowing out of my ducts. When Aspen finished their work, the dirty dusty air smell was gone. Finally, clean air again. Great job!
Insulation removal very professional great crew. Elijah, Gio, Angel.
Joshua and Joseph were on time, polite, clean and completed the job in the time they said they would. Absolutely no complaints. Friendly young men who we plan to have return and do the HVAC ductwork cleaning in the future. They are in our house-plan file. Well done gentlemen!
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1 change recorded — last scanned Jul 30, 2026.
Roofing, decks, electrical, flood restoration4.9
Deleading work3.2
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