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11 Years In Business
Company Details
Hours
- Mon: 8:00 AM - 5:00 PM
- Tue: 8:00 AM - 5:00 PM
- Wed: 8:00 AM - 5:00 PM
- Thu: 8:00 AM - 5:00 PM
- Fri: 8:00 AM - 5:00 PM
- Sat: 8:00 AM - 5:00 PM
- Sun: 8:00 AM - 5:00 PM
View All Details & Credentials
Achievements
Service Details
Areas of Expertise
- Dryer Vent Cleaning
- Air Duct and Vent Cleaning
- Duct repair and replacement
- Carpet cleaning and upholstery
View All Offerings and Cities Served
Cost Information
- Trip Charge May Apply
- Credit Cards Accepted
Reviews
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Showing 41-50 of 67 results
5.0
Bennett H.
Nashua, NH
7/26/2017
Absolutely super job. They did the job quickly, efficiently, and professionally, explaining what they were doing and how they were doing it. I would recommend them without reservation.
5.0
James R.
Fort Myers, FL
7/22/2017
Took off shoes upon entering. Explained what they would do. Did the job and left everything clean.
5.0
Jim M.
Fort Myers, FL
6/22/2017
Great service by friendly workers. Took pride in their work and were respectful of my newly finished wood floors. Cleaned up after themselves, too.
5.0
James S.
North Hampton, NH
6/21/2017
Outstanding service from this owner-operated business. Mike and Jason were quick to respond to my inquiry, provided accurate price information when discussing the job, and performed high quality work. Very courteous and careful as they worked through the house. Prompt response to follow up questions, as well. Highly recommended.
4.5
Carmen S.
Merrimack, NH
6/18/2017
They left my house very clean. They were very professional and courteous.
5.0
Pattie G.
Dover, NH
6/17/2017
very professional, had 30 vents /ducts cleaned. very happy with cornerstone.
5.0
Erin H.
Manchester, NH
6/16/2017
What stellar and top notch service. Hire Cornerstone! Mike called me back on a Friday night and explained to me the basics of mold removal and how he would attack cleaning my vents. He was thoughtful, articulate, sweet and direct. All things I appreciate in my daily profession. There seems to be lots of faux experts on the matters of indoor air quality, remediation and removal - but Cornerstone will certainly provide you with true estimates and safe and effective removal and strong customer service. I would certainly call on them again in the future. You should too. Thanks, Mike!
5.0
Jessica A.
Salem, NH
6/5/2017
Cornerstone IAQ is simply the best! They are so honest, attentive and a wealth of knowledge when it comes to ducts. We had them come out to clean our entire system (black mold in ducts) in the attic. They are on-time, courteous (didn't want to track dirt in house) and just genuine people (stayed and answered all my questions). We also had them come back and put in a purification system in the AC duct work. Once again, they exceeded my expectations. I wouldn't use anyone else going forward and would recommend them to everyone!
5.0
Caitlin M.
Pelham, NH
5/23/2017
The customer service, knowledge level and promptness were impressive.
5.0
Ann P.
Lynnwood, WA
5/19/2017
They explained everything they were going to do, so I would understand their process. They were respectful, friendly, on time, and charged what they quoted me.
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