Fast, Reliable Emergency & Commercial HVAC Across Chicago
Emergency HVAC repair in Chicago typically costs $150-$700 for furnaces and $150-$650 for air conditioning, with our Emergency & Commercial HVAC team answering live calls 24 hours a day. We’re on the road to Near South Side, Lower West Side, Douglas, and Chicago Loop within the hour when your boiler quits at midnight or your rooftop unit fails before opening.
We’ve worked Chicago’s heating and cooling systems since 2018. We know the difference between a Lakefront condo’s heat pump and a Logan Square bungalow’s cast-iron boiler. That matters when it’s below zero and your tenants are calling, or when your restaurant’s walk-in cooler is climbing on a Saturday night. Call (833) 983-1671. A live person answers. Every time.
Why Fireside Heating & Air Co. of Chicago Is Chicago’s Preferred Emergency & Commercial HVAC Company
Forty-two years in this city means we’ve serviced systems in the same Bridgeport bungalows and South Shore two-flats three generations running. Our technicians don’t guess at Chicago’s heating infrastructure. They’ve replaced circulator pumps in Edgewater courtyard buildings, diagnosed cracked heat exchangers in Bronzeville greystones, and retrofitted ductless mini-splits into Portage Park brick homes where no ductwork exists.
Our phones are answered by a live person, 24/7. Nights, weekends, holidays. No voicemail tree. When you call at 2 a.m. because your boiler’s down and the temperature’s dropping toward zero, you get a human who dispatches a background-checked, uniformed technician. The price we quote is the price you pay. Full stop. And every repair, every installation, every emergency call is backed by our 90-Day Done Right Promise - in writing, no paperwork, no arguing.
Most jobs are completed in a single visit. Our trucks carry parts for Carrier, Trane, Lennox, and Goodman systems, plus the specialized components those old Chicago boilers need. We’re not the cheapest bid in town. We’re the one you call once and never have to revisit.
Our Emergency & Commercial HVAC Services in Chicago
24/7 Emergency HVAC
Chicago logs roughly 6,350 heating degree days annually. When a Polar Vortex drives actual temperatures to -20°F, furnaces and heat pumps strain past their rated limits. We responded to an emergency call at a greystone two-flat in Logan Square where the landlord had just turned on the 50-year-old steam boiler for the first time since spring. The pilot assembly failed and the circulator pump was seized, leaving tenants without heat on a 40°F October night. We sourced a replacement circulator and retrofitted a new pilot assembly, getting the heat back within four hours. That’s Chicago emergency work. Not guesswork. Done right.
Commercial HVAC
Chicago’s Residential Landlord and Tenant Ordinance mandates minimum 68°F from September 15 to June 1. Every mid-September, we see a predictable surge of emergency boiler and furnace calls as landlords fire up systems that sat idle all summer. Cracked heat exchangers, failed pilot assemblies, seized circulator pumps. The ordinance date drives the seasonality. We know the timeline. We staff for it. If you manage property in Chicago, you need a contractor who understands that legally-driven failure wave.
Rooftop Unit Service
Chicago’s commercial corridors, from Milwaukee Avenue strip malls to downtown low-rises, rely on packaged rooftop units for heating and cooling. Lake Michigan’s microclimate complicates the work. A rooftop unit in Streeterville faces different cooling loads than identical equipment in Humboldt Park, 10-15°F hotter on summer afternoons. Our technicians calculate those differences. We service Carrier, Trane, Lennox, and Goodman commercial equipment, and we stock the components that keep your business open.
Chiller Service
Chicago’s large commercial and institutional buildings, hospitals, schools, and manufacturing facilities depend on chillers for process and comfort cooling. The city’s temperature swings, from sub-zero winters to humid 95°F summer peaks, stress chiller systems uniquely. Expansion and contraction cycles fatigue piping. Cooling towers accumulate scale from Lake Michigan water. We diagnose chiller failures, rebuild compressors, and perform seasonal startups with the understanding that downtime in a Chicago hospital or food-processing plant isn’t an option.
What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Chicago
Our technicians are trained to journeyman standard on nine major brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We carry common failure parts on our trucks, which matters in Chicago. When a 40-year-old boiler’s circulator pump seizes on a Sunday night, we can’t wait for a Monday morning warehouse delivery. Our inventory includes the specialized components those aging Chicago systems need, not just the latest models. Fast turnaround. Single-visit completion. That’s how we’ve operated for over 42 years.
Common Emergency & Commercial HVAC Problems We See in Chicago Homes
- Cast-iron steam boiler circulator pump seizes after summer idle. Chicago’s hard Lake Michigan water scales pump housings over decades. The pump sits motionless from June to September, then fails the moment the thermostat calls for heat. We see this spike every fall, tied to the September 15 ordinance deadline.
- Cracked heat exchanger in a 40+ year-old gas furnace. Found during fall startup, often in bungalows and two-flats where the furnace has been heating since the 1970s. A cracked exchanger means carbon monoxide risk and immediate replacement. No patch, no workaround. We shut it down and quote the replacement same-day.
- Failed pilot assembly or thermocouple in an aging boiler. Leaves entire multi-unit buildings without heat in sub-freezing weather. Common in Chicago’s rental stock where landlords defer maintenance until the ordinance forces action. We stock standing pilot and intermittent ignition components for systems most contractors stopped carrying years ago.
- Ductless mini-split failure in a retrofit installation. Chicago bungalows and greystones with no original ductwork often rely on ductless systems for cooling. Improperly sized linesets, inadequate drainage for freeze-thaw cycles, or refrigerant leaks from vibration against brick masonry. We diagnose and repair what the original installer missed.
Pricing for Emergency & Commercial HVAC in Chicago, IL
A typical furnace repair in Chicago runs $150-$700. AC repair runs $150-$650. What drives the number? Accessibility of the equipment in a cramped bungalow basement versus a spacious utility room. Age of the system and parts availability. Whether we’re replacing a standard component or fabricating a solution for obsolete equipment.
| Service | Chicago Price Range |
|---|---|
| Furnace Repair | $150-$700 |
| AC Repair | $150-$650 |
| AC Installation | $3,500-$7,500 |
| Seasonal Tune-Up | $80-$200 |
Central AC installation in a ductless Chicago bungalow or two-flat falls at the higher end of that $3,500-$7,500 range, sometimes above it, because we’re either running new ductwork through brick or installing multiple ductless heads. We quote that upfront. No surprises. Call (833) 983-1671 for a free estimate. Senior and veteran discounts apply. Always.
We Also Serve Cities Near Chicago
Our service radius extends throughout Chicago’s core neighborhoods and adjacent communities. We regularly respond to emergency calls in the Near South Side, Lower West Side, Douglas, and Chicago Loop. Each area presents its own building stock and HVAC challenges, from Loop high-rise packaged units to the historic housing of Douglas. Same live-answer dispatch. Same 90-Day Done Right Promise.
Serving Chicago, IL - Our Local Coverage Area
We’re based in the Chicago area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs - Emergency & Commercial HVAC in Chicago
An estimated 80,000 brick Chicago bungalows and tens of thousands of two-flats and three-flats built between 1910 and 1940 were originally heated by steam or hot-water radiator boilers with zero ductwork. That represents a massive share of the city’s residential buildings. Retrofitting these homes requires either new duct fabrication through brick or ductless mini-split installation. Call (833) 983-1671 and we’ll assess which path makes sense for your specific building.
The ordinance legally requires landlords to maintain at least 68°F from September 15 through June 1, which creates a predictable surge of emergency calls each mid-September as dormant systems fail on first startup. We staff and stock specifically for this legally-driven seasonal wave. If you’re a landlord, scheduling a pre-season inspection in August avoids the October emergency premium. Call (833) 983-1671 to book.
Yes, through either ductless mini-split installation or high-velocity small-duct systems fabricated to fit within the structure. A true central forced-air retrofit in a brick bungalow is often impractical due to space constraints and structural impact. We evaluate each home individually. Most bungalow owners find multi-zone ductless provides better comfort control at lower disruption. Free estimates. Call (833) 983-1671.
Chicago’s extreme temperature range, from -20°F Polar Vortex events to 95°F humid summers, creates expansion-contraction stress in chiller piping and cooling tower components. Lake Michigan water contributes scale buildup. The city’s large base of aging institutional buildings means many chillers operate past design life. We perform seasonal startups and predictive maintenance to catch failures before they shut down your facility.
We service Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard commercial rooftop units. Our trucks carry common failure components for the brands most frequently installed in Chicago’s commercial stock. Most repairs complete in a single visit. The price quoted is the price paid. Call (833) 983-1671 for service.
Written by Terry Kowalski, Owner at Fireside Heating & Air Co., serving Chicago since 2018.