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8 Questions to Ask Before Hiring a Garage Door Contractor

Garage doors are the largest moving part of your home and the heaviest thing most homeowners operate daily. Spring failures, cable snaps, and opener malfunctions can cause serious injury or property damage. The garage door industry is also rife with bait-and-switch pricing, where a low service call fee turns into a high-pressure upsell on site. Asking the right questions before a technician arrives is your best defense against overpaying for a simple repair.

8 QuestionsPrintable ChecklistAvg Cost: $150 - $2,500 per job

Questions to Ask

1What is your service call fee, and does it apply toward the cost of the repair?

Why It Matters

Some companies advertise a $29 service call, then charge $300+ for a spring replacement once on site. Understanding the pricing structure before they arrive prevents sticker shock.

Red Flag

They won't quote repair costs over the phone for common repairs like spring replacement, or the service call fee is suspiciously low.

Pro Tip

Most reputable companies can give a price range for common repairs (spring replacement, cable repair, opener replacement) before visiting. The service call fee should be credited toward the repair cost.

2What type of springs will you install -- torsion or extension -- and what is the cycle rating?

Why It Matters

Springs are rated by cycle count (one cycle = one open and one close). Standard springs last 10,000 cycles (about 7-10 years). High-cycle springs (25,000-50,000 cycles) last much longer and cost only slightly more.

Red Flag

They don't discuss spring type or cycle rating, or they install the cheapest standard-cycle springs without offering alternatives.

Pro Tip

Torsion springs are safer and last longer than extension springs. A 25,000-cycle spring costs about $50 more per spring than a 10,000-cycle spring but lasts 2-3 times as long.

3Will you replace both springs even if only one has broken?

Why It Matters

Springs are installed in matched pairs and wear at the same rate. When one breaks, the other is near the end of its life. Replacing only one means the second will likely break soon, requiring another service call.

Red Flag

They recommend replacing only the broken spring to save money, without explaining that the other spring has the same wear.

Pro Tip

Always replace both springs at the same time. The labor cost is the same whether you replace one or two, and you avoid a second failure within months.

4Do you carry liability insurance, and are your technicians trained on spring and cable safety?

Why It Matters

Garage door springs are under extreme tension. A spring failure during installation can cause serious injury. Insurance protects you if property damage or injury occurs during the service call.

Red Flag

The technician is an independent contractor with no insurance, or they seem unfamiliar with spring safety procedures.

Pro Tip

Ask whether technicians are factory-trained by a major manufacturer (Clopay, Amarr, Wayne Dalton). Factory training includes safety protocols specific to the equipment they're servicing.

5If I need a new garage door, what insulation R-value and wind load rating do you recommend?

Why It Matters

An insulated garage door (R-12 to R-18) maintains more consistent garage temperatures, reduces energy costs for attached garages, and is significantly quieter than an uninsulated door.

Red Flag

They only offer uninsulated doors, or they recommend a door without asking about your climate, garage use, or whether the garage is attached to the house.

Pro Tip

If your garage is attached to your living space, an insulated door (minimum R-12) is worth the upgrade. In hurricane zones, verify the door meets local wind load requirements.

6For opener replacement, what drive type do you recommend and what safety features are included?

Why It Matters

Belt drive openers are quieter than chain drive. Direct drive is the quietest and most reliable. Safety features like battery backup, automatic reverse, and smartphone connectivity vary by model.

Red Flag

They only offer one opener type regardless of your needs, or the opener doesn't include UL 325 safety features (auto-reverse, photo eyes).

Pro Tip

For attached garages or bedrooms above the garage, belt drive or direct drive is worth the premium for noise reduction. Battery backup ensures you can open the door during power outages.

7What does your warranty cover, and who backs it -- you or the manufacturer?

Why It Matters

The manufacturer warranties the door and parts; the installer warranties the labor. If the installer goes out of business, you may still have manufacturer coverage on the door but not on the installation.

Red Flag

No labor warranty, or a warranty that expires in less than a year for a new door installation.

Pro Tip

For new door installation, a 1-2 year labor warranty plus the manufacturer's warranty (10-year to lifetime on sections, 3-5 years on hardware) is standard.

8Can you perform a full safety inspection while you're here?

Why It Matters

A safety inspection checks spring tension, cable condition, roller alignment, track alignment, auto-reverse function, and photo eye alignment. These checks prevent failures and injuries.

Red Flag

They're only willing to fix the specific problem you called about and won't inspect the overall system.

Pro Tip

A comprehensive safety check takes 15-20 minutes and should include: testing auto-reverse by placing a 2x4 under the door, checking photo eye alignment, inspecting cables for fraying, and testing manual release operation.

Bonus Tips for Hiring a Garage Door Contractor

  • Never attempt to replace garage door springs yourself. They are under extreme tension (hundreds of pounds of force) and can cause serious injury or death if handled improperly.
  • If you receive an unsolicited door-to-door offer for garage door service, be cautious. This is a common entry point for bait-and-switch pricing schemes.
  • Lubricate garage door springs, hinges, and rollers with white lithium grease (not WD-40) twice a year. This simple maintenance extends the life of all moving parts.
  • When shopping for a new garage door, visit a showroom to see full-size doors in person. Colors, panel designs, and window options look very different in person than in a catalog photo.

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