Furnace Replacement in Elgin, IL
Free in-home estimates for furnace replacement in Elgin, from the historic neighborhoods near downtown to the newer far west side. A new furnace costs $3,000 to $9,500 installed as of October 2026.
456 Google Reviews
Your Peace of Mind
Flexible Options
We're Here Anytime
Guaranteed
Get a Free New Furnace Estimate in Elgin
Free in-home replacement estimates from a Lennox Premier Dealer.
- Good, Better and Best options with upfront pricing
- Nicor Gas rebates applied where you qualify
- Financing available, including 0% APR on select Lennox systems during Lennox promotions
- Sized with a load calculation, installed and permitted
Repair Instead of Replace?
If your furnace may be worth fixing, our Elgin furnace repair team starts with a $75 diagnostic.
- $75 diagnostic ($99 evenings, weekends & holidays)
- 24/7 emergency service, with same-day appointments available
- Trucks stocked with common furnace parts, so most repairs are done in one visit
- Upfront, flat-rate pricing before any work starts
Choosing a New Furnace for a Elgin Home
Elgin has some of the oldest homes we work in. Many houses around downtown were built before 1940 and later converted from boiler or gravity heat, so the ductwork can be undersized, patched together or partly hidden in walls. A new furnace in one of those homes has to be sized for the duct system it will actually be connected to, not just the square footage, and we often recommend a two-stage or variable-speed furnace that can run gently on small ducts. Older furnaces in Elgin may still vent into a masonry chimney. Moving to a 96% furnace means new PVC venting to the outside, and if a gas water heater stays on the chimney, it may need a liner. We check that before quoting so there are no surprises. On the far west side, newer homes already have high-efficiency venting, which keeps replacements simple.
Furnace Installation in Elgin: How It Works
It starts with a free visit to your Elgin home. We measure the house and ductwork, check the venting and gas supply and run a load calculation, then give you written Good, Better and Best Lennox options with rebates and financing laid out. On install day, our own crew removes the old furnace, sets the new one, connects venting, gas, condensate and controls, and tests combustion, temperature rise and airflow before we leave. We register the warranty and walk you through the new thermostat settings.
Repair or Replace Your Elgin Furnace?
A gas furnace usually lasts 15 to 20 years in the Chicago area. A quick check is the $5,000 rule: multiply the furnace’s age by the repair price. If the result is over $5,000, replacement usually makes more sense. If your Elgin furnace is younger or the repair is small, a repair may be the better value, and our Elgin furnace repair team can diagnose it for $75.
Heating Services in Elgin
Related services for Elgin homeowners.
New Furnace Cost in Elgin
As of October 2026, a new furnace from Pure Comfort costs $3,000 to $9,500 installed in Elgin. In older Elgin homes, venting changes, chimney liners and duct corrections move the price most. Far west side replacements are usually simpler. Replacing the furnace and AC together costs $8,000 to $19,000. Every estimate is free and in writing, with Nicor Gas rebates and financing shown before you decide.
| Item | Typical price | What changes it |
|---|---|---|
| Free in-home estimate | $0 | Load calculation and written Good, Better and Best options |
| New furnace, installed | $3,000 to $9,500 | Efficiency, single-stage versus two-stage or variable-speed, venting and return-air work |
| Furnace and AC together | $8,000 to $19,000 | Matched Lennox system with shared labor |
| Nicor Gas rebate | $150 to $225 | Qualifying 95%+ and 97%+ AFUE furnaces |
| Install time | Usually 1 day | Return-air, venting or zoning work can add a day |
| Permit and inspection | Arranged where required | Who files depends on the City of Elgin |
| Financing | 0% APR on select Lennox systems | During Lennox promotions; longer terms with interest on projects over $2,000 |
The City of Elgin requires a mechanical permit even for a like-for-like furnace replacement, and changing the type of system can add an electrical permit. Where a permit is required, we confirm the City of Elgin’s current requirements and pull the permit, or help you file it in towns where the homeowner applies, then schedule any required inspection.
Why Elgin Homeowners Choose Pure Comfort
Pure Comfort focuses on clear answers, sound system design and work that holds up after the service truck leaves.
Local and family-owned
Founded in Streamwood in 2008 and still owned and operated by the family who started it.
In-house technicians
Service and installation completed by our own crews, never subcontracted to another company.
Certified and insured
NATE and EPA Section 608 certified, fully licensed and insured for the work we carry out.
Lennox Premier Dealer
Premier Dealer standing, with service and repair covering all major HVAC makes and models.
Not Sure Whether to Repair or Replace?
We will assess the system, explain what we find and help you compare the realistic options for your Elgin home.
Feedback From Homeowners We Serve
Choosing an HVAC company means trusting the people who enter your home and the work they leave behind. Read recent customer feedback about Pure Comfort’s communication, care and workmanship.
Recent Elgin furnace installs
New furnaces we have installed in Elgin basements, closets and utility rooms.
What Elgin homeowners say
“Gene and his coo-worker did a thorough Job doing an inspection of my 2 furnaces, complete with pictures. I also hired the company to replace my 2 furnaces and was very happy with their professionalism and and attention to detail.”
Inspection and replacement of 2 furnaces
“I called them at 7am with no heat, the only available spot they had was in the afternoon. 5 minutes later they called me back that their technician can see me at 8am. I couldn't belive it ! What a great service and the tech was very genuine guy. 5 stars for sure”
No-heat repair
“Gene did a great job! … Gene installed my Nest and did some work on my heater when in went out on New Years Eve! They don't overcharge and do great work! 4 years later and I'm still using them!”
Heater repair and thermostat install
“Great service and great techs! Pricing was good. Techs arrived at the time quoted. I will use only Pure Comfort anytime I need heat or AC service.”
Heating and AC service
When you need HVAC due to an unexpected event you want someone who not only can provide the service you need….
Great service. Very professional. They try all avenues to resolve issues with equipment. Always a pleasure to work….
Had an issue with the thermostat reading erroneously, as soon as I contacted Pure Comfort, they got back….
Our serviceman, Gene, was very responsive, professional and thorough. He explained each aspect of the issue clearly and….
I called them at 7am with no heat, the only available spot they had was in the afternoon, 5 minutes later they called….
Gene was professional, on-time, very friendly and did a thorough job inspecting our A/C unit. He also checked….
Quick and honest service and advice last minute on a Sunday. Clean crew and equipment. Gene was a knowledgeable….
Gene did not give up on the problem. It was a crazy situation but he never gave up found the problem and fixed it. Thank you….
Furnace wasnt working. Called Pure Comfort after hours and they came right out and helped me. The furnace….
Very professional, definitely knowledgeable had the furnace fixed in 10 minutes. I can honestly say I trusted Gene….
Furnace Replacement Near Elgin
Pure Comfort installs new furnaces throughout Elgin (60120, 60123 and 60124) and the towns around it, including furnace replacement in South Elgin, furnace replacement in Bartlett and furnace replacement in South Barrington. Our shop is in Streamwood, about 15 minutes away, and our own crews handle every install.
Not on the list? We cover much of the northwest suburbs, so call and we will confirm your address in a minute.
Elgin Furnace Replacement FAQs
How much does a new furnace cost in Elgin?
As of October 2026, a new furnace from Pure Comfort costs $3,000 to $9,500 installed in Elgin. In older Elgin homes, venting changes, chimney liners and duct corrections move the price most. Far west side replacements are usually simpler. Replacing the furnace and air conditioner together costs $8,000 to $19,000, and Nicor Gas rebates of $150 to $225 apply to qualifying 95% and 97% AFUE furnaces.
How do I get a free furnace estimate or quote in Elgin?
Call (708) 515-4822 or book online. We visit your Elgin home, measure the house and ductwork, run a load calculation and give you written Good, Better and Best options with rebates and financing. The estimate is free, and there is no pressure to decide on the spot.
Do I need a permit to replace a furnace in Elgin?
The City of Elgin requires a mechanical permit even for a like-for-like furnace replacement, and changing the type of system can add an electrical permit. Where a permit is required, we confirm the City of Elgin’s current requirements and pull the permit, or help you file it in towns where the homeowner applies, then schedule any required inspection.
Should I choose an 80% or a high-efficiency 96% furnace in Elgin?
In a pre-1940 Elgin home, an 80% furnace can reuse a sound chimney, but a high-efficiency furnace saves more on gas and avoids chimney problems. We inspect the chimney and price both options so you can compare.
How long does a furnace replacement take?
Most furnace replacements in Elgin take one day. Jobs that add return air, new venting or zoning can take a second day. If you are without heat, tell us when you call so we can schedule the install as soon as the equipment is available.
Is there a furnace replacement company near me in Elgin?
Yes. Pure Comfort is based in Streamwood, about 15 minutes from Elgin, and installs furnaces across 60120, 60123 and 60124. We are a Lennox Premier Dealer with NATE-certified technicians, and our own crews do every install.
Is it worth replacing a 20- or 30-year-old furnace?
Usually, yes. Most furnaces last about 15 to 20 years in Chicago-area winters. A 20- to 30-year-old furnace is often far less efficient than a new high-efficiency model, parts get harder to find, and heat exchanger problems become more likely. If yours is safe and the repair is small, fixing it can still make sense. In Elgin, we check the furnace and give you both prices so you can decide.
Schedule a Free Furnace Estimate in Elgin
Get a careful diagnosis, straightforward options and help from a local HVAC company that stands behind its work.
- You get a scheduled window and the technician's name
- We diagnose and price the work before anything starts
- Replacement estimates are free, with no obligation
Call rather than using the form: (708) 515-4822. Forms are checked during business hours, so a phone call gets you a faster answer.