Why Your Furnace Might Struggle During Extreme Cold — And What to Do
When it’s -10°F outside, even a good furnace can struggle. But what’s normal... and what’s a sign of trouble?
Signs your furnace is overwhelmed:
It runs constantly and never reaches the set temp
Some rooms stay cold while others overheat
Your energy bill spikes unexpectedly
What to do:
Seal up drafts around doors and windows
Add insulation in attics and crawlspaces
Ask about dual-fuel or high-efficiency upgrades
Stay ahead of winter’s worst — and don’t wait until your system fails.