Fast, Reliable Emergency & Commercial HVAC Across Lombard
When your furnace quits on a January night or your AC fails during a July heat wave in Lombard, you need a company that answers the phone and shows up. We do both. Fireside Heating & Air Co. has been serving Lombard homeowners and businesses for over 42 years, and our Emergency & Commercial HVAC team typically reaches ZIP 60148 within 45 minutes to an hour. Call (833) 983-1671 - a live person picks up, 24 hours a day, every day of the year.
Lombard’s inland position in DuPage County, roughly 25 miles from Lake Michigan, means summer design temperatures routinely top 92°F, driving cooling loads 15-20% higher than lakefront suburbs. That extra strain hits hard on the village’s post-war housing stock: ranches, split-levels, and cape cods built between 1950 and 1980, most with ductwork designed only for heating and later modified for cooling. We know these houses. We know where they fail. And we know how to fix them without tearing your home apart.
Why Fireside Heating & Air Co. of Chicago Is Lombard’s Preferred Emergency & Commercial HVAC Company
Terry Kowalski founded Fireside in 1984, and we’ve built our reputation one Lombard home at a time. Our technicians are background-checked, uniformed journeymen who put on shoe covers without being asked. They treat your home the way they’d treat their own mother’s.
Our 90-Day Done Right Promise means the price quoted is the price paid, full stop. If something isn’t right, we make it right - in writing, no paperwork, no arguing. That’s the Keystone Standard applied to heating and cooling.
Phones are answered by a live person around the clock, including 2 a.m. no-heat emergencies. No voicemail trees. No callbacks in the morning when your pipes are at risk. Most jobs are completed in a single visit.
We’re trained on nine major brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. We stock common parts for Lombard service calls, so you’re not waiting days for a warehouse shipment while your family sweats or shivers.
Our Emergency & Commercial HVAC Services in Lombard
24/7 Emergency HVAC
Furnace lockouts at midnight. AC compressors cycling on safety limits at 3 p.m. on a 95-degree Saturday. We answer every call with a live person and dispatch a technician from our Chicago base, usually reaching Lombard within the hour. During a July heat wave, we responded to an emergency call on Sunnyside Avenue for a split-level home where the upstairs bedrooms hit 84°F despite a new 3-ton AC. We diagnosed a severely undersized return - original trunk-and-branch ductwork from 1965 - and installed a Heat Pump & Mini Split in Lombard in the master bedroom to restore comfort while avoiding a full duct renovation. That’s the kind of problem-solving you get when the technician understands Lombard’s housing stock.

Commercial HVAC
From strip malls along Roosevelt Road to office buildings near Yorktown Center, Lombard’s commercial properties need reliable climate control during business hours, not after a three-day wait. We service packaged rooftop units, split systems, and building automation controls. Our commercial clients get the same upfront pricing and 90-Day Done Right Promise as our residential customers. We schedule around your operations, and we carry common commercial parts to minimize downtime.

Rooftop Unit Service
Lombard’s commercial corridors - Roosevelt Road, Highland Avenue, and the industrial pockets near St. Charles Road - depend on rooftop units that take a beating from summer heat and winter wind. RTU maintenance is not optional in this climate. We inspect economizers, check refrigerant charge against actual load conditions, and verify that condensate drains can handle July humidity as part of our Air Quality & Ventilation - Lombard services. A failed rooftop unit on a 90-degree day means lost revenue and unhappy tenants. We get there fast, diagnose honestly, and quote repair versus replace in plain language.

Chiller Service
For larger commercial facilities in Lombard with chilled-water systems, we handle chiller diagnostics, refrigerant management, and controls calibration. Chillers are complex, but the principle is simple: your building needs consistent cooling, and we deliver it. We work on scroll, screw, and centrifugal chillers, and we coordinate with your facilities team to minimize disruption.

HVAC Inspection
Before you buy a home in Lombard’s established neighborhoods - say, the ranches near Madison Meadow Park or the split-levels south of St. Charles Road - get an HVAC inspection that goes deeper than a home inspector’s checklist. We measure airflow at each register, inspect ductwork in accessible areas, and test combustion safety on furnaces. Many 1960s furnaces still run but are cracked or improperly vented. Many “newer” AC systems are mismatched to ductwork that can’t move the air. Our inspection report tells you what you’re buying and what it will cost to make it right.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Lombard
We maintain and repair Carrier, Trane, Lennox, and Goodman systems daily in Lombard homes. Our trucks carry common filters, capacitors, contactors, and ignition components for these brands, which means faster repairs and fewer return trips. For less common equipment or older units, we source parts from our Chicago-area suppliers with same-day or next-morning availability. Whether you have a 15-year-old Lennox furnace in a Madison Street cape cod or a new Carrier Infinity system in a Yorktown-area renovation, we have the training and parts to service it correctly.
Common Emergency & Commercial HVAC Problems We See in Lombard Homes
- Return-air starvation in 1950s-70s ranches. Original ductwork was sized for a furnace alone. When cooling was added, the return path stayed the same. Compressors cycle on safety limits. Coils freeze mid-afternoon. The homeowner thinks the AC is broken; often, the ductwork is the real problem.
- Humidifier bypass pans choked with scale. Lombard’s hard municipal water plus very dry winter air means whole-home bypass humidifiers run constantly. Scale buildup restricts airflow, triggers furnace limit-switch lockouts, and causes no-heat calls at the worst possible time.
- Single-zone ductwork failing bi-level homes. The upper sleeping level routinely reads 78-82°F in July even with a properly functioning central AC. Natural stratification wins against 1960s duct design. Adding a ductless mini-split to the upper level or installing zoning dampers solves what the original system cannot.
- High-efficiency AC freezing on hot afternoons. Newer equipment moves more air across a colder coil. Paired with undersized returns from the heating era, the coil drops below freezing, ices over, and stops cooling entirely. The fix is airflow, not more refrigerant.
Pricing for Emergency & Commercial HVAC in Lombard, IL
We believe in upfront pricing: the number you hear is the number you pay. No add-ons, no surprises after the work is done.
| Service | Typical Range in Lombard |
|---|---|
| AC Repair | $150-$650 |
| Furnace Repair | $150-$700 |
| AC Installation | $3,500-$7,500 |
| Tune-Up | $80-$200 |
What moves the needle within these ranges? Parts versus labor, accessibility of equipment (attic furnaces in Lombard split-levels take longer), and whether we find secondary issues during diagnosis. Emergency calls outside normal hours carry a service fee, but we quote the full repair cost before any work begins. Senior and veteran customers receive 5% off, always. Repairs over $250 qualify for $50 off. Estimates are free. Call (833) 983-1671 for your exact number.
We Also Serve Cities Near Lombard
Our service area extends throughout DuPage County and western Cook County. We regularly respond to emergency calls in Villa Park, Glen Ellyn, Oak Brook, and Hinsdale - often within the same hour window we hit for Lombard itself. Same live-answer phones, same upfront pricing, same 90-Day Done Right Promise.
Serving Lombard, IL - Our Local Coverage Area
We’re based in the Lombard 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 Lombard
Yes, in most cases we can improve airflow significantly without opening walls. We start by measuring static pressure and airflow at each register to locate the restriction. Often the fix is a larger return-air grille, a jumper duct between rooms, or a small ductless mini-split for the problem area. Call (833) 983-1671 for a free assessment - we’ll show you exactly what we found and what it costs.
We typically reach commercial properties on Roosevelt Road within 45 to 60 minutes of your call. Our technician will diagnose the unit, quote repair or replacement upfront, and carry common parts to complete most repairs in one visit. Call (833) 983-1671 - a live person answers now.
Yes, if your current bypass humidifier is more than 10 years old and you’ve had scale-related no-heat calls. A modern flow-through or steam humidifier handles Lombard’s hard water better and reduces the maintenance burden that chokes older units. We install them, and we can inspect your current setup to tell you if replacement or deep cleaning is the smarter spend. Estimates are free.
Because the coil is colder and the airflow is insufficient - almost always due to original ductwork sized for heating only. The system runs fine in mild weather, but on peak days the coil temperature drops below 32°F, ice builds, and cooling stops. The solution is increasing return-air capacity, not adding refrigerant. We measure and fix this regularly in Lombard’s post-war homes. Call (833) 983-1671 for diagnosis.
Yes, we service chillers for commercial facilities in Lombard and throughout DuPage County. Our technicians are trained on scroll, screw, and centrifugal systems, and we coordinate with your facilities team to minimize operational disruption. Call (833) 983-1671 to schedule service or discuss a maintenance agreement.
Written by Terry Kowalski, Owner at Fireside Heating & Air Co., serving Lombard since 2018.