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Quick facts
- AreaEdwardsville
- StateIL
- Providers15
- Climate zone5A-Cool-Humid
- Heating degree days6,200
- Recommended systemdual fuel
Why HVAC matters in Edwardsville
Edwardsville sits in IECC climate zone 5A-Cool-Humid with average January temperatures of 24°F and July highs around 74°F. With 6,200 heating degree days, a reliable heating system is essential for comfort and safety.
IL (Madison County) falls in IECC 5A-Cool-Humid. HDD 6200 / CDD 900 per NOAA 1991–2020 state averages drive a dual fuel HVAC strategy. Climate data is zone-level; consult a contractor for site-specific load calcs.
Dual-fuel system recommended for Edwardsville
A dual-fuel system pairs a heat pump with a gas furnace backup — the heat pump runs efficiently on mild days while the furnace handles deep cold.
With 6,200 heating degree days and winter lows reaching 24°F, standard heat pumps lose efficiency. The dual-fuel approach gives you heat pump savings on 80% of winter days plus reliable gas heat when temperatures drop below 15-20°F.
About Edwardsville HVAC
15 HVAC providers in Edwardsville give homeowners real choice without overwhelming the shortlist. Expect quotes within 3–5 business days. In smaller Illinois markets the same two or three crews tend to handle most of the annual install volume.
Edwardsville's winter design temps (January averages near 24°F) sit at the edge of standard heat-pump efficiency, which is why dual-fuel setups — heat pump plus gas furnace backup — have become the contractor-preferred configuration here. Aging furnaces (15+ years) are the #1 reason for mid-winter emergency calls in Edwardsville. Ameren Illinois's Ameren IL Air Source Heat Pump Rebate currently offers up to $1,500 toward a qualifying system, which meaningfully shifts the cost-of-ownership math.
Top local providers
Request quotes →- Hoffmann BrothersTop rated
What customers say “Jeremy was very professional and delivered great customer service. He took his time assessing the repair that was…”
- Scott-Lee CompanyTop rated
What customers say “After our home experienced significant storm damage in March 2025, we were overwhelmed by everything going on around…”
- Classic Aire CareTop ratedinstallationrepairinspection
What customers say “James was very professional and thorough in his review and care of replacing our water heater. He made sure that we…”
- Ernst Heating & CoolingTop rated
What customers say “Dear Sir: Great guy to service my furnace and AC! I just met him and he is very professional And very through . He is…”
- Home Heating & CoolingTop rated
What customers say “Steve and his team helped us with the HVAC portion of our basement finish project and we were thoroughly satisfied with…”
- Heritage Heating & CoolingTop rated
What customers say “We have used Heritage for years - replacing three A/C units over that time (two houses). The entire company is focused…”
- DMAK'S HVACTop rated
What customers say “Amazing service! During the snowstorm our heater completely broke down. Another company had promised to come the next…”
- Garwood's IncTop rated
What customers say “We have been customers for 35 years. There are very few true family businesses left but this is one. Outstanding work…”
- Air Sense EnvironmentalTop rated
What customers say “We recently had Jake back for a follow-up service visit, and he impressed us just as much as he did the first time. He…”
- Peters Heating & Air ConditioningTop rated
What customers say “We had issues during the recent cold snap with our 38-year old furnace. My neighbors are all Peters customers, and they…”
- Bickle Contracting Co., Inc.Top ratedinstallationrepairinspection
What customers say “I called Bickle Electric on behalf of my 95 year old mother. She had an incident where she heard a loud "pop" and then…”
- Lizotte Sheet MetalTop rated
What customers say “Kent and his brother have been in business in the GlenEd area for as long as I can remember, they've done nothing but…”
What customers say “4 years ago, we had our old 1992 gas furnace replaced by AMK when the blower failed. And a few weeks ago, we had our…”
What customers say “My whole family has bought HVAC equipment there since the 1950's. Bob Schwalb and his son Blair are the best around and…”
- installationrepairinspection
What customers say “Jeff did an amazing job building a room in our basement, painted the majority of the interior of our house and hung…”
What Edwardsville homeowners say
“Kent and his brother have been in business in the GlenEd area for as long as I can remember, they've done nothing but good work for my parents, and I'm now loving in my own place and needed work done, and they did nothing but good work for me. Nearl…”
“Amazing service! During the snowstorm our heater completely broke down. Another company had promised to come the next morning and no showed due to weather. I couldn't find anyone all day to come out. I called Dan and he was here within a half hour at…”
“We have used Heritage for years - replacing three A/C units over that time (two houses). The entire company is focused on customer service. They are competitively priced, very responsive, and very friendly. We have them check the units twice a year (…”
Local pricing snapshot
Repairs typically run $150–$600. Full system replacements range from $4k for a basic furnace to $12k+ for a premium heat pump. Dual-fuel systems (heat pump + gas backup) are recommended for this area's cold winters.
Available rebates in Edwardsville
- Ameren Illinois: Ameren IL Air Source Heat Pump Rebate — $400–$1,500 for heat pump
- Ameren Illinois: Ameren IL High-Efficiency Gas Furnace Rebate — $250–$500 for furnace
Federal tax credits (up to $2,000 for heat pumps) can stack with utility rebates. See full cost breakdown →
Nearby service areas
Illinois hub →Explore more Illinois markets from the state hub.
Popular comparisons in Edwardsville
- Hoffmann Brothers vs Scott-Lee Company4.9★ vs 4.9★
- Hoffmann Brothers vs Classic Aire Care4.9★ vs 5.0★
- Scott-Lee Company vs Classic Aire Care4.9★ vs 5.0★
- Scott-Lee Company vs Ernst Heating & Cooling4.9★ vs 4.9★
- Classic Aire Care vs Ernst Heating & Cooling5.0★ vs 4.9★
- Classic Aire Care vs Home Heating & Cooling5.0★ vs 5.0★
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Frequently Asked Questions
What's the best heating system for Edwardsville?
Edwardsville has cold winters (avg January: 24°F) with 6,200 heating degree days. A dual-fuel system (heat pump + gas furnace backup) is recommended — the heat pump handles mild days efficiently while the furnace takes over during deep cold snaps below 15-20°F.
How important is air conditioning in Edwardsville?
Very. With 900 cooling degree days and summer highs regularly exceeding 74°F, AC is essential in Edwardsville. Central AC or a heat pump (which provides both heating and cooling) is strongly recommended. Budget $3,500-$7,000 for a quality cooling system installation.
What HVAC rebates are available in Edwardsville?
Edwardsville homeowners can stack multiple incentives: Ameren Illinois offers up to $1,500 for heat pump installations. Add the federal 25C tax credit ($2,000), and total savings can reach $3,500+. Ask your installer to itemize which rebates apply to your specific project.
How much does HVAC work cost in Edwardsville?
In Edwardsville, typical costs range from $150-$600 for repairs, $4,000-$8,000 for a standard furnace or AC replacement, and $6,000-$14,000 for a heat pump system. After available rebates, heat pump installations often net out to $4,000-$9,000. Get 2-3 written quotes to compare — prices vary significantly between contractors.
How do I verify a HVAC contractor is licensed in Illinois?
Illinois does not license HVAC contractors at the state level — the IDFPR only verifies general business registration. Trade licensing is handled municipally: Chicago requires a Mechanical Contractor license through the Department of Buildings, and most suburbs require local registration plus a plumbing/mechanical license for gas and ductwork. Always confirm an active local license, general liability insurance, and any bond required by the municipality.
Licensing verified weekly. Reviews refreshed within the last 30 days.
Licensing data: Illinois Department of Financial and Professional Regulation (state business registration) plus municipal HVAC licensing (e.g. City of Chicago Department of Buildings) · Company data: verified business records + Google Business profile
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