A new garage door is one of the best investments you can make in your home. We make sure it's done right — with better components than anyone else installs as standard, a 7-year parts and labor warranty, and a 100% satisfaction guarantee.



From choosing your door to the finished result — here's exactly how a HighLevel installation works.
Every HighLevel install uses better parts than the industry puts in as standard — from the springs up top to the seal at the bottom.
We make sure it's done right — with better components than anyone else installs as standard, a 7-year parts and labor warranty, and a 100% satisfaction guarantee. If we can't make it right within 12 months, we'll remove it and give you a full refund. That's not a sales pitch. That's a promise.
Satisfaction Guarantee — 100% money back if we can't make it right within 12 months. Best Value Guarantee — find a true apples-to-apples comparison and we'll beat it by 10%. On Time Guarantee — arrive within your 2-hour window or we credit $100. No Breakdown Guarantee — something fails within 12 months of your tune-up and we credit $100.
View All Guarantees →We believe in upfront pricing. Here are honest ranges for common Garage Door Installation services in Southern NH. Exact pricing provided before any work begins.
| Service | Price |
|---|---|
Single Car Door Installation Depends on door style, material, and insulation | $800 – $1,800 |
Double Car Door Installation Depends on door style, material, and insulation | $1,200 – $3,000 |
Opener Installation (with door) Smart opener with myQ Wi-Fi standard | Included in door price |
Belt Drive Opener Installation Fully loaded, lifetime motor warranty, 3-year HighLevel warranty | From $1,020 |
Side Mount Opener Installation Wall mounted, 24V DC motor, lifetime motor warranty | From $1,280 |
Prices are approximate ranges for common scenarios. Your exact quote is provided before any work begins.
Every new door includes a full year of the Concierge Plan: one included visit each year, priority scheduling, and member discounts. Continue for $129/year to keep your warranty and discounts active.
See What Concierge Includes →★★★★★
“High Level Garage was truly a 'high level' experience. They replaced our aging door with something of much higher quality, complete with upgraded hardware and windows.”
Jeff M.
Nashua, NH · Verified
★★★★★
“Picking our doors was a breeze. Lloyd and Justin were very quick, professional, and cleaned up. I am shocked at how quiet and smoothly the doors open.”
Katie R.
Bedford, NH · HomeAdvisor
★★★★★
“Great quality, great to work with. They have a customer for life. Quality of the installation is exactly what we were hoping for.”
Tara W.
Milford, NH · Google
★★★★★
“High Level Garage was truly a 'high level' experience. They replaced our aging door with something of much higher quality, complete with upgraded hardware and windows.”
Jeff M.
Nashua, NH · Verified
★★★★★
“Picking our doors was a breeze. Lloyd and Justin were very quick, professional, and cleaned up. I am shocked at how quiet and smoothly the doors open.”
Katie R.
Bedford, NH · HomeAdvisor
★★★★★
“Great quality, great to work with. They have a customer for life. Quality of the installation is exactly what we were hoping for.”
Tara W.
Milford, NH · Google
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