St. Charles, IL Gas Furnace Installations

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Doc's HVACstarstarstarstarstar5.0 / 5

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6 Total Reviews 630-965-9444$902 S Randall Rd, St. Charles IL

Since 2002, family owned Doc's HVAC has been installing gas furnaces for St. Charles, IL owners and businesses. If you’re building a new home, or if your existing system in Chicagoland is more than 12 years old you should consider a new efficient and reliable Armstrong or Ducane natural gas furnace.

  • Call the Doc if your existing furnace is on life support.
  • Our prescription for comfort and efficiency is a new Armstrong Pro Series® gas furnace.
  • We can install a new furnace stat, with 24 /7 service available.
  • We always properly diagnose your home or business's needs carefully, and discuss the prognosis with you, and deliver a perfect outcome for your indoor comfort needs.

DuPage and Kane Counties in Illinois are known for particularly brutal winters. As part of a comprehensive HVAC system, a properly installed, efficient gas furnace is the beating heart of efficient indoor comfort. The factory trained, licensed and insured heating technicians at Doc's have the local knowledge to help you choose the features you need and size your system properly.

Armstrong Air Furnace

Armstrong Air Quality Gas Furnaces

Whether you’re looking for the most efficient most advance gas heating system possible, or an affordable furnace replacement Armstrong furnaces are a great choice. Doc's HVAC is an Armstrong Air® Comfort Team dealer.

Armstrong Air Furnace

A97USMV Modulating Gas Furnace: The most advanced, most efficient furnace we offer.

  • ENERGY STAR® 2021 Most Efficient gas furnace.
  • AFUE Efficiency of up 97.0%
  • Modulating heat output provides superior comfort over traditional single stage or two-stage products, further reducing temperature swings in your home.
  • Nicor rebate: $250**
  • Integrated self-diagnostic control module
  • Variable-speed ECM fan motor provides quiet, efficient circulation
  • Pair this model with a Pro Series™ variable-capacity or two-stage air conditioner or heat pump and a Comfort Sync thermostat, for optimum performance and Apple or Android App based control.
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Armstrong Air Furnace

A931E 93% Single Stage Furnace: Most affordable condensing furnace.

  • ENERGY STAR® qualified efficiency of 93% AFUE
  • Upflow, downflow, and horizontal airflow
  • Compact, 33-inch height fits into tight spaces
  • Single-stage burner and standard-efficiency constant torque fan motor ensure comfort
  • Integrated, self-diagnostic control module
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Armstrong Air Furnace

A801E 80% AFUE Single Stage Furnace: Affordable chimney vented replacement furnace.

  • Direct replacement for many chimney vented gas furnaces with 80% AFUE efficiency
  • Compact, 33-inch height fits into tight spaces
  • Single-stage heating cycle maintains consistent comfort
  • Standard, high-efficiency constant torque fan motor ensures dependable air distribution
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**Our local natural gas utility, Nicor, offers a $250 rebate for the installation of a A97USMV series furnace. Click here for details.
Feature Older Furnace New Armstrong Furnace What It Means To You
Staging Single Stage Variable Speed Much quieter, lower fuel consumption
Ignition Standing Pilot Hot Surface Ignitor More Reliable and saves energy
Operating Control None Self Diagnostic Safer and easier to service
Cabinet Uninsulated Insulated Quieter and less heat loss
Venting Gravity Chimney PVC Seal Combustion
(condensing models)
Low fuel consumption, no standby loss
Blower Single Stage PSC VDC Variable Speed Quieter, lower power consumption
Efficiency Rating (AFUE) 60 - 70% Up to 97% Much lower fuel bills
Armstrong Furnace

Furnace Repair

Doc’s can also replace or repair a new high-efficiency Armstrong Air Furnace

Gas Furnace Repair and Maintenance

If your gas furnace is geriatric, your energy bills are obese, or you system is on life support, call the Doc. We can cure you furnace problems with 24/7 repairs and we service all brands. Click here for more information about our heating repair services.

Regular check-ups and a healthy diet of professional maintenance will improve the health of any heating and cooling system and ensure and longer more productive life. Doc's HVAC offers our pre-seasonal tune-up services for area homeowners and businesses. Prior to the return of winter weather, we'll inspect your heating system, replace the air filters, and thoroughly test and clean your furnace to make sure your ready for a trouble-free winter. Click here for more details.

Schedule ac repair with Doc's HVAC Today

Ducane Gas Furnaces

We also prescribe Ducane Gas Furnaces. Ducane offer a broad range of gas furnaces for the 96% two stage 96G2V family to the very affordable 80% 80G1E. Ducane offer terrific value and is a great option for Chicagoland home and business owners.

Home Healthcare Check

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Doc's is Family Owned:
Since 2002, Doc's HVAC has been owned and operated by Mike and Dana Riebe. Doc's is an active member of the St. Charles, IL area community.
Better Business Bureau:
Check out our five star reviews on our local BBB. We are more than proud of our A+ BBB rating!
Voted #1 By Our Customers!:
Voted Best Heating and Air Conditioning in 2020 by readers of the Kane County Chronicle and the St. Charles Daily Herald!
Licensed and Insured:
We are licensed and insured heating and air conditioning contractors.
ArmstrongAir® ComfortTeam Dealers:
We have been recognized as a local Armstrong Air® Comfort Team dealer. This recognizes our long term commitment to training and customer support.

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