Emergency Furnace Repair in Chicago: What to Do When Your Heat Goes Out

No heat on a January night in Chicago is an emergency — but before you call anyone, five minutes of checks can sometimes restore heat without a service call, and they’ll make the repair faster if you do need one.

Check these five things first

• Thermostat — set to HEAT, set point above room temperature, fresh batteries if it takes them. More no-heat calls end here than anyone likes to admit.
• Furnace switch and breaker — the switch next to the furnace looks like a light switch and gets bumped; check the breaker panel too.
• Filter — a fully clogged filter overheats the furnace until a safety switch shuts the burners down. Swap it and give the furnace ten minutes.
• Intake and exhaust pipes — on high-efficiency furnaces, the two PVC pipes through the side wall clog with snow and ice during storms. Clear them and the furnace often restarts itself.
• Gas — if the stove won’t light either, the problem is upstream of the furnace; call the gas company.

If none of that brings the heat back, it’s a repair — we cover what fails and what it costs in how much furnace repair costs in Chicago and why your furnace is blowing cold air.

When it’s a true emergency

Call immediately — day or night — if you smell gas (leave the house first and call the gas company, then us), if your carbon monoxide detector goes off, or if the house is dropping toward the danger zone for pipes: below roughly 55°F and falling. Frozen pipes turn a furnace repair into a plumbing disaster, so a no-heat house in single-digit weather can’t wait for a morning appointment. Open cabinet doors under sinks on outside walls and let faucets drip while you wait.

How our 24/7 no-heat service works

No-heat calls jump the queue — same-day in almost every case, around the clock when it can’t wait. The technician arrives with the common failure parts already on the truck (igniters, flame sensors, capacitors, control boards for the brands Chicago actually has), quotes the repair flat-rate before touching anything, and most no-heat calls end with heat restored in a single visit. During a cold snap we run extended hours, and maintenance plan members get first priority — which matters exactly when every furnace in the city is being tested at once.

The pattern behind most emergencies

Almost every midnight no-heat call was visible in October. The igniter that finally cracked, the flame sensor that got too dirty to read, the inducer motor that had been whining for weeks — a fall furnace tune-up catches these while the fix is a scheduled visit instead of an emergency. If your furnace made it through last winter on hope, schedule the tune-up before the first cold snap does the testing for you.

Cold house right now? Call Around the Town Heating & Cooling at (312) 243-9896 — 24/7 emergency furnace repair in Chicago, licensed, NATE-certified, serving the city and suburbs since 2004.