Garage door will not open on cold mornings only
This is almost always a spring steel stiffening, or the opener force set marginal. Repair costs $130 to $400 and takes 45 to 90 minutes. Safe to operate: Yes, but book it.
Check this first — it may cost you nothing
If it opens after a second try or after you help it by hand, the opener is running at the edge of its force setting and the cold is pushing it over.
Why this happens
A door that works all summer and fails on the first cold morning is not a coincidence. Cold thickens the grease in the bearings, stiffens the spring steel, and reduces the margin the opener has been running on all year.
Cold stiffens the spring and thickens old grease, and spring steel is at its most brittle on the first lift of a freezing morning — which is exactly when they break.
Less likely, but possible
- Springs near the end of their cycle life, where cold removes the last margin
- Old grease in the bearings thickening below freezing
- A close-force setting that was marginal to begin with
What happens if I ignore it?
This is the warning that arrives before a snapped spring. Cold reduces the fracture toughness of spring steel, which is why the actual break usually happens on the first lift of a cold morning.
The repair: spring repair
Garage door torsion spring replacement costs $220 to $580 for a pair, including parts and labor, and takes 60 to 90 minutes. A broken spring makes the door unsafe to operate — the opener cannot lift the weight without it.
Read the full spring repair guide →Get a tech dispatched
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