HVAC Services in Markham, IL
Fireside Heating & Air Co. of Chicago provides complete HVAC services in Markham, Illinois, with technicians who know the 60428 zip code and the specific challenges of its post-war housing stock. We’ve been taking calls from Markham homeowners since 2018, and we answer the phone with a live person 24 hours a day - including the 2 a.m. no-heat emergencies that hit hardest when a 1960s furnace finally gives out in a Park Manor ranch. Most repairs are completed in a single visit, and every job carries our 90-Day Done Right Promise in writing. Call (833) 983-1671 for a free estimate.
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.
Why Markham Homeowners Choose Fireside Heating & Air Co. of Chicago
Markham is not a market for flashy trucks or high-pressure sales. Homeowners here tend to stay put, know their neighbors, and remember which contractor showed up when the furnace died during the 2019 polar vortex. We’ve earned that memory by doing what we say we’ll do. Our technicians put on shoe covers without being asked, explain the repair in plain English, and leave the basement cleaner than they found it.
We regularly work in the Park Manor neighborhood south of 159th Street, where the 1950s ranches still carry original gravity-to-forced-air duct conversions that leak like sieves. In Country Aire and the older sections near Pulaski Road, we find Goodman and Rheem furnaces that have run 25 years past reasonable service life because the homeowner trusted the last guy who said “it’ll last one more winter.” That pattern - deferred maintenance, emergency replacement, and the relief of finally getting a square deal - is why Markham customers call us back for their water heater, then their daughter’s house in our Hazel Crest service area.
Our phones are answered by a live person, every hour of every day. The price we quote is the price you pay. And our 90-Day Done Right Promise means if something isn’t right, we make it right - in writing, no paperwork, no arguing.
HVAC Services We Offer in Markham
AC Repair & Installation in Markham
Markham summers bring humidity off the Calumet wetlands that strains undersized air conditioners, especially in ranches where the original ductwork was never designed for cooling loads. We repair and replace all major brands, with a focus on proper sizing and refrigerant charge. Learn more about our AC Repair & Installation in Markham.

Heating & Furnace in Markham
No-heat calls in Markham spike when northwest winds sweep across the flat Calumet plain, driving heating loads that exposed utility rooms and leaky ducts cannot meet. We service Lennox, York, and all major furnace brands, with emergency response available around the clock. Learn more about our Heating & Furnace in Markham.

Heat Pump & Mini Split in Markham
For Markham homeowners looking to add zoned comfort to a ranch with no viable ductwork path, or to supplement a basement office that never gets warm, heat pumps and ductless mini-splits offer a clean solution without tearing open walls. We size these systems for the real heating demand of an Illinois winter, not a mild-climate shortcut. Learn more about our Heat Pump & Mini Split in Markham.

Air Quality & Ventilation in Markham
Leaky return ducts in Markham’s converted gravity systems often pull in basement air, mustiness, and worse. We assess Air Quality & Ventilation - Markham, filtration, and humidity control as part of any system evaluation - because comfort is more than temperature.

Emergency & Commercial HVAC in Markham
Our our Emergency & Commercial HVAC in Markham applies to commercial properties along 159th Street and Markham’s small business corridors, as well as residential emergencies. A down system on a weekend doesn’t wait for Monday, and neither do we.

Neighborhoods We Serve in Markham
We dispatch from our Chicago base to all of Markham’s 60428 zip code, with typical arrival within 60-90 minutes for standard calls and faster for no-heat or no-cool emergencies. These are the neighborhoods we know best:
- Park Manor - 1950s ranches with original gravity-conversion ductwork and furnaces in uninsulated utility closets
- Country Aire - modest Cape Cods where multi-generation equipment swaps have left mismatched components
- Pulaski Road corridor - older homes with low crawlspaces that complicate both access and combustion safety
- 159th Street area - mixed residential and light commercial with aging infrastructure
Why Markham’s Climate & Housing Affect HVAC
Markham sits on the flat, open Calumet plain roughly 25 miles south of downtown Chicago, fully exposed to northwest wind corridors that drive brutal heating loads in January and February. Unlike the north shore suburbs that catch modest lake-effect moderation, Markham feels the full force of arctic fronts. Summer brings humidity rolling off the Calumet-region wetlands, elevating latent cooling demand that undersized or poorly charged AC systems cannot handle. The air feels heavy, the house never quite dries out, and homeowners blame the thermostat when the real culprit is equipment that was never properly specified for this microclimate.
The housing stock compounds every weather challenge. Markham’s residential core is almost entirely modest 1950s-1960s ranch-style and Cape Cod homes built during Cook County’s post-war southward expansion, with full basements or crawlspaces where furnaces and ductwork were retrofitted over original gravity-heat infrastructure. What we find, routinely, is multiple-generation piecemeal HVAC swaps without ductwork redesigns - a new furnace here, a coil swap there, each contractor working around what the last one left behind. The result is leaky, undersized supply runs, return paths that pull from the wrong places, and persistent comfort complaints that homeowners attribute to a failing unit when the root cause is decades-old sheet-metal patchwork. In Markham, a straight equipment swap without duct assessment almost always leaves money on the table and comfort on the floor. We look at the whole system because that’s what a square deal looks like.
Pricing for HVAC in Markham
We quote every job upfront, and the price we give is the price you pay. No add-ons, no surprises when the truck is already in your driveway.
| Service | Typical Range in Markham |
|---|---|
| Standard furnace or AC repair | $180 - $450 |
| Major repair (compressor, heat exchanger, control board) | $650 - $1,800 |
| Furnace replacement (mid-efficiency, existing ductwork) | $3,200 - $5,500 |
| AC replacement (properly sized, including pad & electrical) | $3,800 - $6,800 |
| Heat pump or mini-split (single-zone, installed) | $3,500 - $7,500 |
| Seasonal tune-up | $89 (standing offer) |
We also honor $50 off any repair over $250, free second opinions on any written estimate you bring us, and a permanent 5% discount for seniors and veterans. Call (833) 983-1671 for an exact quote on your specific system - estimates are free.
Service Area - Cities Near Markham
Fireside Heating & Air Co. of Chicago serves Markham and the surrounding south suburbs, including Hazel Crest to the east, Posen to the west, Harvey to the north, and Country Club Hills to the southeast. If you’re unsure whether we cover your address, call and ask - a live person will answer.
Serving Markham, IL - Our Local Coverage Area
We’re based in the Markham 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 About HVAC in Markham
Most furnace repairs in Markham fall between $180 and $450, with major component replacements like heat exchangers or control boards running $650 to $1,800. The age of Markham’s housing stock means we often find additional issues - failed ignitors in 30-year-old Lennox units, cracked collector boxes on original gravity conversions - that a thorough inspection catches upfront. Call (833) 983-1671 for a free, exact quote before any work begins.
In Markham’s 1950s-1960s ranches, uneven temperatures almost always trace back to ductwork that was never properly redesigned when gravity warm-air systems were converted to forced-air decades ago. The main trunk is typically undersized, transitions are leaky sheet-metal patchwork, and supply runs were added haphazardly. A new furnace or AC unit cannot fix duct pathology. We assess the full distribution system and will tell you straight whether the problem is equipment, ducts, or both.
Yes. For no-cool emergencies during summer heat waves, we prioritize same-day response throughout the 60428 zip code, with most standard repair calls scheduled within 24 hours. Our trucks carry common parts for Goodman, Rheem, York, and other major brands, so most Markham repairs are completed in a single visit. Call (833) 983-1671 - a live person answers 24/7.
For furnaces over 15 years old with a repair estimate exceeding $800, replacement is usually the better long-term value - especially in Markham, where aging units run inefficiently and emergency failures tend to happen during the coldest nights. We give straight talk about repair versus replace, never pressure, and our free second opinion offer means you can verify any estimate you’re unsure about. The 90-Day Done Right Promise applies either way.
Yes. Our phones are answered by a live person 24 hours a day, 7 days a week, including nights, weekends, and holidays. A no-heat call at 2 a.m. in January gets the same courteous response as a Tuesday afternoon tune-up inquiry. Emergency rates are quoted upfront, and we dispatch to Park Manor, Country Aire, and all Markham neighborhoods. Call (833) 983-1671 anytime.
Written by the team at Fireside Heating & Air Co. of Chicago, serving Markham and south suburban Cook County since 2018.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Markham Customers Say
"Blower motor on a twelve year old furnace. He gave me the honest math on repair against replace and did not push me toward the bigger ticket."
- Paige Hoffman"The maintenance plan is actually worth it. They turn up twice a year and the last visit caught a refrigerant leak before it became a July disaster."
- Kurt Anderson"Ductwork in the attic had a disconnected run dumping cold air into the insulation. He found it, resealed it, and a bedroom that was always hot is normal now."
- Hector Guzman