Repair & Install
Garage Door Opener Repair and Installation
From an opener that will not respond to a brand-new smart unit, G Brothers repairs and installs garage door openers. We service and install LiftMaster, Genie, and Chamberlain, diagnose the fault before we quote, and fix most openers the same day at a flat rate.
- Same-day service
- 4.9 stars, 400+ reviews
- Licensed & insured
What this service covers
Real work by background-checked local technicians, quoted at a flat rate you approve before anything begins.
Opener repair
Logic boards, gears, capacitors, travel limits, and remotes diagnosed and repaired on site where it makes sense.
New opener installation
Belt, chain, and wall-mount jackshaft openers installed and tuned, with smart and battery-backup options.
Sensors, remotes, and keypads
Safety sensor alignment, remote and keypad programming, and Wi-Fi or myQ setup.
When to repair vs replace an opener
The opener hums but the door does not move, often a gear or capacitor
It runs then reverses, usually a sensor or travel limit
It is loud, slow, or from before 1993 with no photo eyes
You want quieter operation, battery backup, or phone control
How it works
- 1
Call or book online
Tell us the symptom and your door. We schedule a same-day or next-day visit at no charge to look.
- 2
On-site diagnosis and flat quote
Your technician finds the real cause and gives you a flat price to approve before any work begins.
- 3
Fixed and tested
We complete the work, cycle and balance the door, and leave it running safely and quietly.
Why homeowners call G Brothers
Voted Best Garage Door Company, three years running
And rated 4.9 stars across 400+ Google reviews.
More than 40 years of experience
Family-owned, locally operated, and BBB accredited.
Free, no-obligation estimates
We look, diagnose, and quote a flat price you approve before any work starts.
Same-day and 24/7 emergency service
Most repairs are handled the day you call.
Background-checked, licensed, and insured technicians
Local crews you can trust in your home.
No pressure, done right the first time
We recommend a repair over a replacement whenever that is the right call, and back it with a workmanship guarantee.
Reviews
Rated 4.9 across 400+ Google reviews
Homeowners and businesses trust G Brothers for fast, honest garage door work.
Based on 400+ Google reviews
Upfront, flat-rate pricing
Your estimate is free. We diagnose the problem on site, then give you one flat price to approve before any work begins. No surprises, no pressure, and an honest recommendation on whether a repair or a replacement is the better value.

Visit us
Find G Brothers Garage Doors
Reach out for same-day garage door service. Our technicians come to you for every repair, replacement, and install.
Our shop
12550 W Colfax Ave, Unit 107, Lakewood, CO 80215
Open 24/7 for emergency garage door service.
Related questions
Quick answers about opener repair & install and related work from the G Brothers team.
Can a garage door opener be repaired, or does it need to be replaced?
Most garage door openers can be repaired if a specific part has failed.
Read full answerCan I replace my garage door without replacing the opener?
Yes, in most cases.
Read full answerCan I reuse my garage door opener with a new door?
Usually yes, if the opener is under 10 to 15 years old, in good working condition, and powerful enough for the new door's weight.
Read full answerWhat is the best garage door opener drive type for an attached garage?
Belt drive is the best choice for most attached garages with living space above or beside.
Read full answerRelated services
Related products
Service areas
Opener Repair & Install across the Denver metro
G Brothers brings opener repair & install to homes and businesses throughout the Denver metro. Find your city below.
Ready to get started?
Book same-day service or a free estimate. Available 24/7.
Learn more
Guides & resources
Learn more about opener repair & install before you book.
- Garage Door Opener Repair: Why Your Door Won't Close All the WayIf your garage door won't close all the way, the most common cause is a misaligned or blocked safety sensor near the floor. Other causes include travel-limit settings, a binding track, or a failing opener.Read guide
- Garage Door Remote Not Working? How to Fix ItIf your garage door remote is not working, start with the batteries. A dead or weak battery is the cause about half the time. If fresh batteries do not help, the issue is likely the sensor, antenna, or a lost pairing.Read guide
- How to Open a Garage Door Manually During a Power OutageWhen the power goes out, pull the red emergency-release cord hanging from the opener rail to disengage the motor, then lift the door by hand. The springs carry the door's weight, so a well-maintained door should rise smoothly and stay open on its own.Read guide
- How to Install a Garage Door Opener: What to Know Before You StartInstalling a garage door opener is a manageable DIY project for most homeowners on a single-car door. The steps that catch people are the sensor alignment and travel limit setup, not the physical assembly.Read guide






