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Read reviewsCoös County, NH
Broken spring, door off track or opener on the blink in Dummer? Premier's licensed technicians repair, replace and install garage doors across the North Country and Coös County — in most cases the same day.

Dummer is home to about 306 people in Coös County. Homes here run from rural homes, camps and farm buildings with detached garages, and the coldest winters in the state keep our technicians busy with cold-weather spring replacement and frozen-seal repairs.
Our technicians cover Dummer together with Concord, about 100 miles away, and the towns around it.
Cold-weather spring replacement
Frozen-seal repairs
Insulated door upgrades
Our work
Reviews
“They saved my weekend! After our garage spring snapped Friday afternoon, Premier Garage Repair showed up within two hours and fixed it quickly. Their responsiveness was impressive.”
“Fast, friendly, and honest service! When my door got stuck, Premier Garage Repair arrived the same day, explained everything clearly, and fixed it in under an hour. Truly professional with fair pricing.”
FAQ
In most cases, yes. We cover Dummer and the rest of Coös County, and same-day visits are available most days. Call (603) 713-5339 or book online and pick an arrival window.
Yes. Broken springs are one of the most common calls we get in the North Country and Coös County, especially in the first cold snaps of winter. Our vans carry common torsion and extension springs, so most spring jobs are finished in one visit.
Yes. We measure, help you choose a style and insulation level, remove the old door and install the new one with new springs, tracks and seals.
It depends on the part and the door. The technician diagnoses the problem and gives you the price before any work starts — no hidden fees.
Book online
Pick a day and an arrival window. We'll call to confirm before anyone comes out.
| Mon | 8:00 AM – 8:00 PM |
|---|---|
| Tue | 8:00 AM – 8:00 PM |
| Wed | 8:00 AM – 8:00 PM |
| Thu | 8:00 AM – 8:00 PM |
| Fri | 8:00 AM – 5:00 PM |
| Sat | Closed |
| Sun | 8:00 AM – 8:00 PM |
We will call you shortly to confirm your appointment.