GARAGE DOOR KNOWLEDGE BASE

Fix it, price it, or replace it
— the straight answers.

Real advice from the techs who do the work across London and Southwestern Ontario. No fluff, no bait pricing — just what we’d tell our own neighbours.

Troubleshooting

Why Won’t My Garage Door Open in the Cold? 7 Winter Fixes

Frozen to the floor, opener straining, spring snapped on the first cold snap — the seven things that stop a garage door in an Ontario winter, and which you can fix yourself.

7 min readRead
Troubleshooting

The Complete Guide to Garage Door Repair in London, Ontario

The common London garage door problems, what they cost, what’s safe to DIY, and when to call — the one guide a London homeowner needs.

9 min readRead
Troubleshooting

DIY Garage Door Repair in Cambridge, Ontario: What You Need to Know

The garage door fixes a Cambridge homeowner can safely tackle, the ones to never touch, and the warning signs that mean "call now".

7 min readRead
Troubleshooting

Garage Door Repair Services in Sarnia, Ontario

Spring, opener, cable, and new-door service for Sarnia and Lambton County — up-front pricing, 1-year warranty, no bait quotes.

6 min readRead
Troubleshooting

Signs Your Garage Door Spring Needs Replacement

A loud bang, a door that won’t lift, a gap in the coil — the tell-tale signs a garage door spring is failing, and what to do next.

5 min readRead
Troubleshooting

Common Garage Door Spring Problems Explained

Rust, metal fatigue, wrong-size springs, and bad balance — the spring problems we see most, and what actually fixes each one.

6 min readRead
Troubleshooting

How to Replace a Garage Door Spring (and Why It’s a Pro Job)

What a spring replacement really involves — the winding bars, the tension, the balance test — and why it’s the one repair to leave to a pro.

6 min readRead
Troubleshooting

Common Garage Door Repair Issues and Solutions

Door won’t close, grinding noise, off its track, slow to respond — the most common garage door issues and what actually fixes each.

6 min readRead
Troubleshooting

Garage Door Won’t Close? Photo-Eye Sensor Fixes

Door reverses or won’t close and the opener light blinks? Nine times out of ten it’s the safety sensors — here’s the fix.

5 min readRead
FAQ

Questions,
answered straight.

Can\u2019t find it here? Ask the GDS assistant in the corner, or call (519) 933-3384 \u2014 a real person, 24/7.

How fast can you get to me?

We dispatch directly from London and reach most of the city in under 45 minutes; surrounding towns within our 50 km service area are typically reached within about 90 minutes. Emergencies are dispatched 24/7 to the closest available technician.

How much does a garage door repair cost?

Spring replacement starts at $189, opener repair from $159, cable & track repair from $149, a tune-up is $89, and new door installation starts at $1,290 with a free in-home quote. You always get an up-front, all-in price band before any work begins — no bait pricing.

Which brands do you service?

All major garage door and opener brands, including Clopay, LiftMaster, Chamberlain, Genie, and Wayne Dalton — plus our own GDS line. We carry common parts on every truck, so most repairs finish in a single visit.

What areas do you serve?

London and roughly 50 km around it across Middlesex, Elgin, and Oxford counties — including St. Thomas, Strathroy, Woodstock, Ingersoll, Aylmer, and the towns between. There’s no travel surcharge within our service area.

Are you open on weekends and after hours?

Our regular hours are Mon–Fri 8 AM–11 PM and Sat 9 AM–5 PM (closed Sunday), and we offer 24/7 emergency service every day of the year with no after-hours fee.

Do you offer a warranty?

Yes — every repair and installation is backed by a 1-year warranty on parts and labour, and we’re fully licensed and insured.

Can I get a price without a phone call?

Absolutely. Our instant AI quote reads your symptom, postal code, and time of day and returns a real price band in about 60 seconds — no call or email required. You can also ask our assistant or book a repair right from the site.

GDS Cares · Community Giving
Giving back to London

A share of every job helps local families with the basics.

HousingKidsFood
Donate / Learn more →
(519) 933-3384Call now