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Top Heating & Furnace Contractors in Downers GroveIL

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Out of Network Heating & Furnace Contractors in Downers Grove, IL

Frequently Asked Questions

What is a furnace?

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A furnace generates and distributes heated air throughout your home. A vital part of the heating, ventilation, and air conditioning (HVAC) system—though it does not cool air—you activate a furnace when you set or adjust the temperature in a room using the thermostat. Furnaces can run off natural gas, oil, electric, or propane.

How long does a furnace last?

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The average gas furnace lasts 15 to 20 years, though some electric furnaces can last 30 years or more.

  • Gas furnace: 15–20 years
  • Electric furnace: 20–30 years
  • Oil furnace: 15–20 years

In addition to furnace type, your unit’s lifespan also depends on its size and the heating system you have—two-stage furnaces are more efficient and less likely to break than single-stage furnaces.

Having a reputable HVAC technician perform annual furnace maintenance and inspections can help ensure you get the most out of your unit. And, as always, change your filters regularly—a dirty filter can block airflow and overwork the motor.

How often should you change your furnace filter?

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You should change your furnace filter every one to three months to help maintain air quality, keep energy costs in check, and extend your unit’s lifespan. If people in your home have dust or pet dander allergies, you may consider changing your filters more regularly. Looking for an even simpler guideline? If the filter is dirty, replace it.

How much does a new furnace cost?

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The average cost of a furnace unit is $2,300 to $7,200, plus $150 to $500 per hour for installation. Furnace replacement prices depend on the type of furnace you need, its size, and local labor costs.

  • Gas: $3,800–$10,000
  • Electric: $2,000–$7,000
  • Oil: $6,750–$10,000
  • Mini-Split: $2,000–$15,000
  • Geothermal: $4,000–$17,000

If your furnace installation requires new gas lines or additional ductwork, add $250 to $800 for the gas lines and $3,00 to $5000 on average for the ductwork to your overall project costs.

Top Heating & Furnace Systems Projects

HomeAdvisor Community Rating

Overall Rating:

Downers Grove Heating & Furnace Contractors are rated 4.7 out of 5 based on 2,189 reviews of 37 pros.

The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.


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Recent Job Requests for Heating & Furnace Contractors in Downers Grove, IL

  • NewProject: Heat Pump Install
    Location: Downers Grove, IL
    Date: 12/02/22
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    Location: Home/Residence
    Property Owner: Yes
    Install or Replace: Installing new
    Heating System Type: Electric-fired forced air (central heating)
    Are you interested in financing?: No
    Heat pump type wanted: Air source
    Comment: I would like to get an estimate for looking for quotes on new heat pump.
  • NewProject: Gas Furnace - Install
    Location: Downers Grove, IL
    Date: 11/28/22
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
  • Project: Ducts & Vents Install
    Location: Downers Grove, IL
    Date: 11/25/22
    Type of Ductwork Project: Repair existing ductwork
    Number of rooms/areas needing registers: Don't know
    Location: Home/Residence
    Desired Completion Date: 1 - 2 weeks
    Request Stage: Ready to Hire
    Property Owner: Yes
    Are you interested in financing?: No
    Type of System: Gas-fired forced air (central heating)
    Comment: My furnace was installed 10 years ago. The old furnace was leaking and rusting. My house is getting colder each winter and I thought I needed insulation. A friend went into my crawl space and said 3 heating ducts had fallen down. They put them back in place the other night and it was warm and then an hour later the floor was freezing again. In addition, the main return vent housing - if that's the correct term - is rusted out. What I need is someone like you, who is HVAC to go into the crawl space under my house and tell me what is really going on. heating ducts weren't rusted, they just fell down, at least as far as I know. But the furnace s a bit noisy when it's heating. And I'm wondering, in addition to installing my furnace, was a new housing put in place, especially because of the rust issue. My friend says the opening in the crawl space is too small for the housing, so what is my option to repair it. I have covered all my cold air returns in the last few years because they are all blowing cold, making the house even colder. So, one step at a time. I need to have this assessed and find out what it's going to cost to get me warm again. I can't go through another winter of freezing floors and a thermostat set at 78 degrees. Thanks, Melodee Note - Phone number is a landline - no texting. My friend suggested just going into the crawl space and "rebuilding" the housing by wrapping 2" styrofoam around the housing. Is that a reasonable solution? The furnace is in he laundry room and the heating ducts are in the crawl spac under the house. My friend has become unreliable (we've been at it two months) and so that's why I'm going out for information and quotes.
  • Project: Gas Furnace - Repair
    Location: Downers Grove, IL
    Date: 11/20/22
    Desired Completion Date: Within 1 week
    Request Stage: Ready to Hire
    Location: Home/Residence
    Is this an emergency?: Yes
    Current Heating System: Natural gas fired
    Comment: replace igniter on york diamond 80 today.
  • Project: Heat Pump Install
    Location: Downers Grove, IL
    Date: 11/20/22
    Install or Replace: Installing new
    Heating System Type: Gas-fired forced air (central heating)
    Heat pump type wanted: Want recommendation
    Location: Home/Residence
    Desired Completion Date: More than 2 weeks
    Request Stage: Planning & Budgeting
    Property Owner: Yes
    Are you interested in financing?: Yes
    Comment: Looking for quotes
  • Project: Gas Furnace - Repair
    Location: Downers Grove, IL
    Date: 11/17/22
    Desired Completion Date: 1 - 2 weeks
    Request Stage: Ready to Hire
    Location: Home/Residence
    Is this an emergency?: No
    Current Heating System: Natural gas fired
  • Project: Thermostat Repair
    Location: Downers Grove, IL
    Date: 11/17/22
    Request Stage: Ready to Hire
    Desired Completion Date: Timing is flexible
    After Business Hours: No
    Location: Home/Residence
    Property Owner: Yes
    Is this an emergency?: Yes
    Thermostat Age: Less than 1 year
    Desired Completion Date: Immediately
    Comment: I would like to get an estimate for thermostat repair it's not working.
  • Project: Gas Furnace - Repair
    Location: Downers Grove, IL
    Date: 11/17/22
    Current Heating System: Natural gas fired
    Location: Home/Residence
    Is this an emergency?: No
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Comment: Furnace safety check
  • Project: Gas Furnace - Repair
    Location: Downers Grove, IL
    Date: 11/16/22
    Location: Home/Residence
    Is this an emergency?: No
    Desired Completion Date: Timing is flexible
    Request Stage: Planning & Budgeting
    Amount of work: A single project
    Project Description: Heating system
    Nature of Work: Repairs
  • Project: Radiant Floor Heat Install
    Location: Downers Grove, IL
    Date: 11/14/22
    Current System: Radiant heat inside the floor - indoors
    New or replacement?: Installing new system
    Number of rooms to be heated: 2 - 5
    Desired Completion Date: Within 1 week
    Request Stage: Ready to Hire
    Comment: New construction

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