Furnace Repair in Chicago
Fast, reliable furnace repair for homes, condos, and multi-unit buildings across Chicago. We diagnose and fix all makes and models with upfront flat-rate pricing — no surprises.
Same-day service available. Licensed & insured. No contracts.
Diagnostic Pricing
Upfront pricing — no surprises, no contracts.
$95.36
Applied toward repair cost if repair is not excessive.
Common Furnace Repairs & Flat-Rate Pricing
You know the price before we start. No hourly billing.
Ignitor Replacement
$180 – $280Hot surface ignitor or spark ignitor replacement. Most common furnace repair.
Flame Sensor Cleaning / Replacement
$80 – $180Dirty or failed flame sensor causes furnace to light then shut off immediately.
Gas Valve Replacement
$280 – $480Faulty gas valve prevents furnace from firing or causes intermittent operation.
Control Board Replacement
$320 – $580Failed control board causes erratic operation, error codes, or no operation.
Inducer Motor Replacement
$280 – $480Failed inducer motor prevents furnace from starting the heating cycle.
Blower Motor Replacement
$280 – $520Failed blower motor means heat builds up but doesn't circulate through the home.
Pressure Switch Replacement
$120 – $220Faulty pressure switch prevents furnace from completing the startup sequence.
Heat Exchanger Inspection / Repair
$180 – $480Cracked heat exchanger is a safety hazard — carbon monoxide risk. Requires immediate attention.
Thermostat Replacement
$120 – $280Faulty thermostat causes no heat, incorrect temperatures, or system not responding.
Furnace Problems We Fix
Diagnostic Checklist
Why Chicago Homeowners Choose D's Air
Diagnose First. Repair Right.
Furnace repair starts with a thorough diagnostic — not a guess. We inspect every component, identify the root cause, and give you upfront pricing before any repair begins. If a repair isn't cost-effective, we'll tell you honestly and provide replacement options.
Lennox Specialist
Lennox Repairs & Tune‑Ups
Specialized Lennox service without contracts or upselling.
Lennox AC Tune‑Up
$149
- Thermostat check
- Filter cleaning
- Evaporator coil inspection
- Blower motor check
- Drain line check
- Electrical tightening
- Temperature split measurement
Lennox AC Tune‑Up
$369
- Filter cleaning
- Evaporator coil rinse
- Blower wheel cleaning
- Drain line flush
- Electrical diagnostic
- Refrigerant performance check
Lennox Major Tune‑Up
$349
- Full evaporator coil cleaning
- Blower wheel deep cleaning
- Drain pan cleaning
- Electrical diagnostic
- Refrigerant optimization
- Full performance test
Mini‑Split Service & Repair
Professional diagnostics, cleaning, and performance restoration for ductless systems.
Our Work Speaks for Itself
Furnace Repair Service
Heating System Inspection
Lennox Furnace Repair
What Chicago Says
Furnace Repair Reviews — D's Air & Heating
"Furnace went out on a cold night and D's Air & Heating had it running by morning. Flat-rate pricing — no surprises. Highly recommend."
Verified Customer
Pilsen, Chicago
"Darryl diagnosed the problem fast and had the part on the truck. D's Air & Heating saved us from a freezing weekend. Great service."
Verified Customer
Logan Square, Chicago
"Professional, honest, and no contracts. D's Air & Heating is the only HVAC company I'll call for furnace work in Chicago."
Verified Customer
Bridgeport, Chicago
Furnace Not Working? Call D's Air.
Same-day service available. Flat-rate pricing. Licensed & insured. No contracts.