Top Furnace Installation & Replacement Contractors in Downers Grove, Illinois Ranked

A reliable heating system is essential for comfort and safety during the cold Illinois winters. Furnace installation and replacement involves selecting the right high-efficiency unit for your home and having it professionally fitted to ensure safe, effective, and economical operation for years to come. This guide will help you understand the key considerations, processes, and options available for heating system upgrades in Downers Grove, empowering you to make an informed decision and connect with qualified local professionals.

Air Flows Chicago - Belmont

3019 W Belmont Ave, Chicago, IL 60618

Air Flows Chicago - Belmont provides comprehensive HVAC, chimney, and indoor air quality services in Chicago, IL. They offer heating and cooling system installation, repair, and maintenance, including furnaces, boilers, air conditioners, ductless systems, and heat pumps. The company also specializes in chimney sweeping, inspection, and liner services, as well as dryer vent cleaning and repair. Their air duct cleaning and installation services help improve indoor air quality, supported by UV germicidal light installations, humidifiers, and air cleaners. Air Flows Chicago serves both residential and commercial clients and offers 24/7 emergency repair services to minimize downtime.

5.0

912 Reviews

Air Source 1 Heating & Air Conditioning

8508 W 192nd St, Mokena, IL 60448

Air Source 1 Heating & Air Conditioning is a family-owned HVAC contractor based near Chicago, IL, serving Mokena and the surrounding South Chicagoland and Northwest Indiana areas. Since 2014, they have specialized in heating and cooling installation, repair, maintenance, indoor air quality services, and sheet metal fabrication. The company offers 24/7 emergency repair services and works with reputable brands like RUUD to provide quality HVAC systems tailored to customer needs. Owner Tim brings over 15 years of hands-on experience, ensuring skilled and dedicated service on every job.

5.0

660 Reviews

TRG

7441 Channel Rd, Skokie, IL 60076

TRG is an HVAC company based in Chicago, IL, providing installation, repair, maintenance, and replacement services for heating, air conditioning, and ventilation systems. They serve both residential and commercial properties, offering comprehensive solutions to improve indoor comfort. TRG performs system evaluations to address issues such as weak airflow, unusual noises, and inefficient heating or cooling. They also recommend professional HVAC tune-ups twice a year to enhance system efficiency and longevity.

5.0

286 Reviews

Legendary Service

960 Rand Rd Suite 200F, Des Plaines, IL 60016

Legendary Service is a home comfort provider based in Chicago, IL, offering heating, cooling, plumbing, and indoor air quality services. They handle AC and furnace installation, repair, and maintenance, along with plumbing and drain cleaning. With over 40 years of combined experience, Legendary Service provides comprehensive HVAC and plumbing solutions including indoor air quality improvements to help maintain a healthy home environment. Their team is skilled in diagnosing and resolving issues efficiently, supported by a maintenance agreement program for ongoing care.

5.0

278 Reviews

Hero Air

4823 W Patterson Ave, Chicago, IL 60641

Hero Air is a family-owned HVAC company serving Chicago, IL, with over 10 years of experience. They provide a wide range of heating and air conditioning services including installation, repair, and maintenance for air conditioners, furnaces, boilers, and ductless mini splits. Hero Air also specializes in indoor air quality solutions such as UV germicidal treatments and dehumidifiers to maintain healthy and comfortable indoor environments. Their certified and insured technicians work with both residential and commercial clients to ensure efficient system performance throughout the year.

5.0

259 Reviews

See more providers in Downers Grove, IL

Understanding Your Heating Options in Downers Grove

In Downers Grove, residential furnace installation primarily revolves around high-efficiency natural gas furnaces due to the region's cold climate and the widespread availability of natural gas. This fuel source provides the reliable, high-output heat necessary to combat our severe winter temperatures. When considering a new heating system, you'll encounter several types of gas furnaces, primarily distinguished by their efficiency and operational sophistication.

Single-Stage Gas Furnaces: These are the most basic and typically the most budget-friendly option. They operate at full capacity whenever the thermostat calls for heat and then shut off. They generally have a standard efficiency rating of 80% to 89% Annual Fuel Utilization Efficiency (AFUE) ¹.

Two-Stage Gas Furnaces: Offering improved comfort and energy efficiency, these units have two heat output settings: high and low. They operate on the lower setting most of the time, providing steadier temperatures, reduced noise, and less frequent on/off cycling. They are typically rated between 90% and 95% AFUE ².

Modulating or Variable-Speed Gas Furnaces: Representing the premium tier, these systems provide the highest level of comfort and efficiency. They continuously adjust their heat output and fan speed in small increments to meet the precise heating demand of your home. This results in ultra-consistent temperatures and superior energy savings, with AFUE ratings of 96% and above ^{3 4 5}.

Dual-Fuel Systems: This innovative option combines a heat pump with a gas furnace. The electric heat pump handles most of the heating needs efficiently during milder weather, while the gas furnace takes over during periods of extreme cold. This system can be particularly cost-effective in the ComEd service area due to potential utility incentives and optimized fuel use based on outdoor temperatures.

Key Considerations for Downers Grove Homes

Selecting the right furnace isn't just about the type; it's about matching the system to the specific demands of your home and our local climate.

• Climate Demands: Downers Grove experiences cold, snowy winters where temperatures can plummet. Your heating system must be powerful enough to maintain comfort during the deepest cold snaps efficiently ^{6 7}.
• Correct Sizing (BTUs): Perhaps the most critical factor is installing a correctly sized furnace. An oversized unit will short-cycle (turn on and off frequently), wasting energy and causing uneven temperatures and excess wear. An undersized unit will run constantly, struggling to heat your home. A professional contractor will perform a Manual J load calculation to determine the exact British Thermal Unit (BTU) requirement for your home. A common estimation for the region is about 30 BTUs per square foot, but this can vary based on insulation, windows, and other factors ⁸. For example, a 2,000 sq. ft. home often requires an 80,000 BTU furnace.
• Energy Efficiency: Given that natural gas is the primary fuel, investing in a higher AFUE rating (95%+) is strongly recommended for Downers Grove homes. While the upfront cost may be higher, the long-term savings on utility bills can be significant over the lifespan of the unit ^{9 10}.

The Professional Installation Process

A proper furnace installation is a detailed process that ensures safety, efficiency, and system longevity. Here's what you can typically expect when you hire a qualified professional:

1. Pre-Installation Assessment: A technician will visit your home to evaluate the layout, inspect existing ductwork, assess ventilation, and determine your specific heating requirements. This is when the crucial load calculation is performed to specify the correct furnace size and optimal location ¹¹.
2. Permits and Preparation: Your contractor will obtain any necessary local permits from Downers Grove authorities. The installation area (often a basement, utility closet, or attic) is cleared and prepared for the new equipment.
3. Removal of Old Unit: The existing furnace is safely disconnected from the gas supply line, electrical circuit, thermostat wiring, and ductwork. It is then removed from the premises.
4. New Unit Positioning: The new furnace is carefully moved into place, leveled, and secured according to manufacturer specifications and local codes.
5. Connections and Ductwork Modifications: The unit is connected to the gas line (with a new shut-off valve and leak testing), electrical supply, and condensate drain. The existing ductwork is connected, and any necessary repairs or modifications are made to ensure optimal, balanced airflow throughout your home ¹².
6. Testing and Calibration: Once all connections are made, the system is powered on. The technician will perform a comprehensive series of tests, including checking for gas leaks, verifying safe combustion, testing safety controls, and calibrating the system for peak performance. Your thermostat will also be set up and tested ^{13 14}.
7. Homeowner Orientation and Cleanup: The installer will walk you through the operation of your new furnace and thermostat, explain basic maintenance tips, answer your questions, and thoroughly clean the work area, leaving your home as they found it ^{15 16}.

Understanding Investment and Cost Factors

The total cost for a furnace installation or replacement in Downers Grove includes the furnace unit itself, labor, and all necessary materials, permits, and disposal fees. The typical installed cost in the area ranges from $5,600 to $10,800, with the final price depending on your home's size, the chosen system's efficiency rating, and the complexity of the installation ^{17 18 19 20}.

To provide a general frame of reference, here are some estimated cost ranges based on home size and typical BTU needs:

Please note: These are estimated ranges. The best way to get an accurate price for your specific home is to obtain written, itemized bids.

Getting Quotes and Maximizing Value

To ensure you receive a fair price and quality service, it is highly recommended to get written estimates from at least three licensed, bonded, and insured local HVAC contractors. When comparing bids, look beyond the bottom line. Ensure each includes a detailed Manual J load calculation, specifies the exact make and model of the proposed furnace (including its AFUE rating), and outlines the full scope of work.

Don't forget to ask about rebates! Local providers can inform you about current incentive programs from ComEd and Nicor Gas for installing high-efficiency heating equipment, which can significantly reduce your net investment ^{21 22 23}.

Frequently asked questions

Sources