Fast, Reliable Heating & Furnace Across Logan Square
Heating repair and furnace replacement in Logan Square typically runs $150-$700 for repairs and $3,500-$7,500 for full system replacement, with most service calls completed same day. Fireside Heating & Air Co. has been answering emergency calls in Logan Square since 2018, and our technicians know the 60647 zip code’s brick two-flats and greystone courtyards like their own neighborhoods. We’re usually on Wrightwood, Fullerton, or Milwaukee Avenue within the hour when your heat goes out on a January night. Call (833) 983-1671 - a live person picks up, 24 hours a day, every day of the year.
Logan Square sits four to six miles inland from Lake Michigan, which means your furnace works harder here than in lakefront neighborhoods. Those northwest-side winter nights run 5-8°F colder than Lincoln Park, and the 1890s-1920s housing stock - brick two-flats, three-flats, and courtyard greystones - was built for steam radiators or gravity warm-air systems with no thought for modern ductwork. That’s not a problem for a fly-by-night to guess at. It’s a problem for a company that’s been solving it for over 42 years.
Why Fireside Heating & Air Co. of Chicago Is Logan Square’s Preferred Heating & Furnace Company
We’ve worked on the heating systems of Logan Square homeowners through three generations now. The same families who called us for furnace tune-ups in the 1980s are calling us to replace those systems today, and their children are calling us for the greystone condo they just bought near Logan Boulevard. That kind of repeat business doesn’t happen by accident. It happens because we show up when we say, quote a price we stand behind, and back every job with the 90-Day Done Right Promise - in writing, no paperwork, no arguing.
Our response time to Logan Square averages under 60 minutes for emergency no-heat calls. We know which buildings on Kedzie have the basement mechanical rooms shared across three units. We know which courtyard buildings on Palmer Square have asbestos-wrapped ducts abandoned in the 1970s. And we know that when it’s 4°F at 2 a.m. and your pilot light won’t stay lit, you don’t want a voicemail tree. You want Terry Kowalski’s team - a live person, every call, every hour.
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 mother’s. That’s not a slogan on a truck. That’s how we’ve operated since 2018.
Our Heating & Furnace Services in Logan Square
Furnace Repair in Logan Square
A typical furnace repair in Logan Square runs $150-$700, depending on what’s failed. The most common calls we get in 60647 are ignitor replacements on 15-20-year-old furnaces, gas valve repairs on systems that haven’t been tuned in years, and limit switch failures caused by restricted airflow. In Logan Square’s two-flats, that airflow restriction often traces back to the original octopus furnace trunk still buried in the basement ceiling - abandoned in place during a 1960s upgrade, now blocking return air paths. We recently serviced a 1920s two-flat on Wrightwood Avenue near the 60647 border where the original octopus furnace trunk was blocking a new high-efficiency gas valve install. We had to carefully cut out the abandoned duct and reroute the new supply lines through a chase we built alongside the old steam riser. The homeowner’s Rheem furnace now heats both floors evenly without the dead zones they’d lived with for years.

Furnace Replacement in Logan Square
Furnace replacement in a Logan Square two-flat or greystone is rarely a simple swap. These buildings have masonry walls, horsehair-plaster ceilings, and basement mechanical rooms never designed for modern air handlers. No attic. No chases. Sometimes no room to stand upright with the old octopus trunk still hanging overhead. We size every replacement for the actual heat loss of your specific building, accounting for the poor envelope sealing common in aging brick structures. A new Carrier or Trane high-efficiency furnace can cut your gas bill 25-35%, but only if it’s installed with ductwork that actually delivers air to every room. We quote that work upfront - the price you hear is the price you pay, full stop.

Furnace Tune-Up in Logan Square
Our $89 Seasonal Tune-Up is the cheapest insurance policy you’ll buy all year. In Logan Square, where furnaces run hard from November through April, we find cracked heat exchangers, failing blower motors, and dirty burners that would have shut you down on the coldest night of January. We check gas pressure, test safety limits, inspect the flue, and clean the flame sensor. For seniors and veterans, it’s $84.55 with your permanent 5% discount. Most tune-ups take 60-90 minutes, and we’ll tell you straight if repair or replacement makes more sense.

Heat Exchanger Inspection & Replacement in Logan Square
A cracked heat exchanger is a safety issue - carbon monoxide can leak into living spaces. In Logan Square’s older furnaces, we see heat exchangers failing from years of over-firing, caused by restricted airflow from those abandoned ducts and undersized returns. We inspect with visual and combustion analysis tools. If replacement is needed, we’ll show you the crack, explain your options, and never pressure you toward a full system replacement unless the numbers truly favor it. Straight talk about repair versus replace. That’s how we work.

What happens when you call
- 1
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 Logan Square
We’re trained to service all nine major residential brands: Carrier, Trane, Lennox, Goodman, Rheem, York, Daikin, Bryant, and American Standard. In Logan Square’s renovated condos and gut-rehabs, we see a lot of Carrier and Trane high-efficiency systems - builders spec them for the warranty and parts availability. In the older stock that’s still running original equipment or a 1990s replacement, Goodman and Rheem are common. We stock common parts for Logan Square service calls, which means most repairs finish in a single visit. No waiting three days for a gas valve while your tenants call at midnight. If we don’t have it on the truck, we’ll tell you exactly when we’ll be back - and we’ll be there.
Common Heating & Furnace Problems We See in Logan Square Homes
- Abandoned octopus furnace trunks blocking new equipment. Those massive gravity warm-air ducts from the 1920s were left in place when forced-air was installed in the 1950s-70s. Now they hang in basement ceilings, preventing clean routing of modern supply lines and creating dead zones upstairs. Every equipment swap starts with figuring out how to work around or remove them.
- Zero original ductwork in 1890s-1920s two-flats. Steam radiator and gravity systems had no ducts. Any forced-air retrofit means cutting through masonry walls and horsehair plaster - custom sheet-metal work, not a standard install. Mini-splits often make more sense for upper floors.
- Shared basement mechanical rooms causing short-cycling. When one furnace serves multiple units through a single return, the system oversized for the load cycles on and off too frequently. It wears components faster, heats unevenly, and never runs long enough to dehumidify properly. Proper zoning solves this, but it takes a contractor who understands Chicago multi-family buildings.
- Poor envelope sealing creating humidity and heat-loss issues. Aging brick, original windows, and no wall insulation mean Logan Square furnaces fight constant infiltration. We size equipment for the real load, not the theoretical one, and we tell you honestly when weatherization will save you more than a bigger furnace.
Pricing for Heating & Furnace in Logan Square, IL
Here’s what heating and furnace work costs in Logan Square’s market. These are real ranges, based on 42 years of quoting jobs in 60647 and surrounding zip codes.
| Service | Price Range in Logan Square |
|---|---|
| Furnace Repair | $150-$700 |
| Furnace Tune-Up | $80-$200 |
| Furnace Replacement (full system) | $3,500-$7,500 |
| Heat Exchanger Replacement | $800-$2,200 (varies by accessibility) |
| Ignitor Replacement | $150-$350 |
| Gas Valve Repair/Replacement | $250-$600 |
What moves you within these ranges? Accessibility - can we reach the furnace without dismantling an abandoned octopus trunk? Venting requirements - does your chimney need a liner for high-efficiency equipment? And the condition of your existing ductwork, if any. We quote every job in person, in writing, before any work begins. No surprises. No add-ons after the fact. And right now, take $50 off any repair over $250, or get a free second opinion if another contractor handed you an estimate that doesn’t sit right.
We Also Serve Cities Near Logan Square
Our Heating & Furnace team covers the full northwest-side corridor, including Logan Square, Avondale, West Town, Belmont Cragin, and Irving Park. Same live-answer phones, same 90-Day Done Right Promise, same journeyman technicians who know the difference between a courtyard greystone and a frame bungalow. If you’re on the border of two neighborhoods, call us - we know the streets, not just the zip codes.
Serving Logan Square, IL - Our Local Coverage Area
We’re based in the Logan Square 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 - Heating & Furnace in Logan Square
Yes, but the abandoned trunk must be addressed first - either repurposed as a chase or removed to clear space for modern ductwork. We’ve done this hundreds of times in 60647. The octopus arms are sheet metal, not structural, but they’re bulky and often asbestos-wrapped. We test before disturbing anything, then build a clean routing plan. Call (833) 983-1671 and we’ll walk through your basement layout - estimates are free.
Carrier and Trane dominate the gut-renovation market in Logan Square greystone condos - builders spec them for reliability and warranty support. Lennox and Daikin appear in higher-end installs with zoning. Goodman is common in rental-unit turnovers where the owner wants solid equipment at a lower price point. We service all of them, and we stock the parts that fail most often.
The original gravity system or steam radiators were designed for convection and radiation, not forced-air distribution. When a furnace is retrofitted without proper duct sizing and return paths, the second floor starves for airflow while the basement overheats. The old octopus trunk may be blocking supply routes, or the return may be undersized for the new system’s airflow. We measure static pressure and room-by-room delivery to find the bottleneck - it’s usually fixable without replacing the furnace again.
Logan Square runs 5-8°F colder on the coldest winter nights because it’s four to six miles inland, missing Lake Michigan’s modest thermal buffer. Your furnace here works harder and cycles more than an identical unit in Lincoln Park. That means maintenance matters more, and oversizing is a bigger mistake - a furnace that’s too large will short-cycle even worse in these conditions. We size for the actual design temperature, not a rule of thumb.
Yes - the City of Chicago requires a permit for furnace replacement in all multi-unit buildings, including two-flats and three-flats. Single-family homes may also need permitting depending on the scope. We pull permits as part of our standard process, handle the inspections, and make sure your install meets current Chicago mechanical code. You don’t have to navigate the city’s portal yourself. That’s part of the job, included in our quote.
Ready to get your heat sorted? Call Fireside Heating & Air Co. at (833) 983-1671. A live person will answer - right now, at 2 a.m., on Christmas morning - and we’ll get a technician to your Logan Square home fast. Free estimates. Upfront pricing. And the 90-Day Done Right Promise on every job we do.
Written by Terry Kowalski, Owner at Fireside Heating & Air Co., serving Chicago and Logan Square since 2018.