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Find Garage door opener installers and replacers in Dover

Avatar for Duplouy Enterprises LLC.
Duplouy Enterprises LLC.
4.8(
39
)

Serving Dover, NH and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"Roger called within an hour of my Angie's List message. He asked about the problem and showed up later that same day! He quickly fixed the problem, and then (without charging extra) did some quick and insightful calculations on the garage door geometry and mass to find that the spring on my door was completely incorrectly done. He wasn't trying to sell me, it was one of those rare, purely for "getting the right answer" efforts. His explanations throughout were crystal clear. I've used maybe five different garage door repairmen over my 20 years of being a homeowner. I have found the best. I wish everyone was as expert, sincere and responsive as Roger."
Duplouy Enterprises
Duplouy Enterprises
Duplouy Enterprises
Duplouy Enterprises
Duplouy Enterprises

+5

Response time1 day
2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Alamo Garage Doors
Alamo Garage Doors
4.9(
243
)

Serving Dover, NH and surrounding areas

Approved

Super Service Award Winner

Free estimates

Emergency services offered

Warranties offered

"Called Alamo Garage Doors in the morning when our door wouldn't open, and they had a technician out the same afternoon. The problem was a worn motor coupling that was quickly replaced."
Garage door repair
Completed garage door installation – brand new insulated door with decorative windows.
Technicians installing a new insulated garage door with a smart opener system. The project involved removing the old door, preparing the space, and ensuring a perfect fit for enhanced durability and functionality.
Close-up of a newly installed Chamberlain garage door motor, showcasing its sleek design and advanced technology. The motor is securely mounted and wired for optimal performance, providing smooth and quiet operation with smart connectivity features.
Custom-designed garage door with a sleek black finish and upper window panels for added style and natural light. This door was installed to enhance the aesthetic appeal and functionality of the property, offering both durability and modern elegance.

+4

Response time12 hrs
13 neighbors recently requested a quote
Recommended by84%of homeowners
Avatar for AB GARAGE DOOR LLC
AB GARAGE DOOR LLC
4.3(
22
)

Serving Dover, NH and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"A&b garage door these guys are great they go above and beyond what is expected to get your job done quickly efficiently and least costly. I would highly recommend them they really make sure the customer is happy"
Brown Garage Doors
Garage Door Replacement
Black Garage Doos
Carriage court door
Garage Door Replacement

+5

Response time6 hrs
Response rate92%
7 neighbors recently requested a quote
Avatar for HighLevel Garage Doors
HighLevel Garage Doors
5.0(
5
)

Serving Dover, NH and surrounding areas

Approved

In business since 2024

Free estimates

Emergency services offered

HighLevel Garage Doors provides professional garage door repair, installation, and maintenance for homeowners across New Hampshire and Massachusetts. We specialize in safe, reliable solutions for doors that won’t open, won’t close, or don’t feel secure.\n\nOur certified technicians take a safety-first approach to every job — from broken spring replacement and opener repair to full system tune-ups and new garage door installations. We use professional-grade tools, quality parts, and proven processes to restore smooth, dependable operation without guesswork or pressure.\n\nHomeowners choose HighLevel for clear communication, upfront pricing, and workmanship built for long-term reliability. Whether you need urgent service or routine maintenance, we make scheduling easy and focus on doing the job right the first time.

55 neighbors recently requested a quote
Avatar for Fix Today Maine Garage Door
Fix Today Maine Garage Door
4.6(
10
)

Serving Dover, NH and surrounding areas

Approved

In business since 2025

Free estimates

Emergency services offered

"Alon and Dima were outstanding! They were professional, knowledgeable, and incredibly efficient from start to finish. They arrived on time, explained everything clearly, and completed the garage door repair quickly and perfectly. Their customer service was excellent, and they made the entire process stress-free. I highly recommend them to anyone looking for honest, reliable, and skilled garage door professionals. Thank you both for a great experience!"
Garage door installation
Garage door installation
Opener replacement
19 neighbors recently requested a quote
Avatar for Overhead Door Co
Overhead Door Co
4.5(
40
)

Serving Dover, NH and surrounding areas

In business since 1935

Emergency services offered

Credit card accepted

"I scheduled an on-site visit to determine if an automatic door opener could be installed and the representative came ready and able to go ahead and install the door opener at the same time.  It saved me having to schedule another visit to have the door installed. I am very pleased with the service.
"
Recommended by96%of homeowners
Showing 1-10 of 34
FAQs for garage door opener installation and replacement projects in Dover, NH

A chain-drive opener costs less, but it’s louder and needs more upkeep. If your budget allows, a belt-drive model is often the smarter long-term buy, especially for an attached garage with a bedroom above where noise matters. The decision between a chain or belt opener comes down to your budget and needs, and your garage door opener installer can help you choose an option that best suits you.

Choosing the right horsepower for your garage door opener is crucial for safe and efficient performance. Your garage door’s design and material determine the required horsepower. A single-car garage demands a half horsepower rating, while a two-car garage requires a rating between three-fourths and 1.25 horsepower. Selecting the proper power level ensures optimum performance and durability over the life of the opener.

Plan on a quick garage door tune-up once or twice a year. Tighten the chain or belt, lubricate moving parts, test the safety sensors, and swap out weak batteries in the remotes or backup unit. A few dollars in lubricant and 30 minutes of work can fend off costly repairs, keep the door running smoothly, and help the opener hit its full life expectancy.

The Dover, NH homeowners’ guide to garage door opener installations and replacements

From average costs to expert advice, get all the answers you need to get your job done.