Collinsville, IL
HVAC Pros in Collinsville, IL
12 licensed HVAC providers cover Collinsville. Small-market pricing tends to track the regional average plus a trip charge. Ameren Illinois rebates up to $1,500 available.
On this page
Quick facts
- AreaCollinsville
- StateIL
- Providers12
- Climate zone5A-Cool-Humid
- Heating degree days6,200
- Recommended systemdual fuel
Why HVAC matters in Collinsville
Collinsville 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 Collinsville
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 Collinsville HVAC
12 HVAC providers list active service in Collinsville — a small but workable shortlist. Getting three quotes is realistic if you plan a week out. Rural-adjacent markets like Collinsville often include a trip charge in the initial quote — ask for it to be itemized.
Collinsville'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. Pre-season combustion checks and flue inspections are what separate reliable winters from costly ones in Collinsville. 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 →- installationrepairinspectionemergency
What customers say “Preston was really picky about his work .he did the work a nice and clean look he ran the wires orderly manner he cough…”
- Classic Aire CareTop ratedinstallationrepairinspectionemergency
What customers say “Chris with Classic Aire Care thank you for saving me from making a huge mistake today. I purchased filters and I was…”
- installationrepairemergency
What customers say “The guys at embrich do a great job in all service departments. I always say people are fast to leave bad reviews on…”
What customers say “The best, absolutely the best consultation and customer service. Honest and I mean truely honest pricing and quotation…”
- Viviano Heating & Cooling, Inc.Top rated
What customers say “I really appreciated Viviano servicing our furnace on such short notice. Office staff was great and repair was done…”
- TettatonTop rated
What customers say “We had a issue during a heat wave. I had the fastest company come out, but they immediately wanted to replace our AC…”
- Guaranteed Comfort and EnergyTop rated
What customers say “Jim and Chris were great to work with. Super knowledgeable and efficient. They replaced my furnace and outdoor unit…”
- Garrett Heating & CoolingTop rated
What customers say “When I needed THREE heat pumps and air handlers replaced all once, I went with Garrett. I received 5 quotes in total…”
- Gili Heating & CoolingTop rated
What customers say “These guys are great. I've called them after hours a few times because I work odd shifts and they get to me within 24…”
- Mike's Heating and AirTop rated
What customers say “1 May 2016 - Thought Memorial Day weekend would be an excellent time to try my first A/C install. I have never…”
- G & W Heating and CoolingTop rated
What customers say “Small business that’s super dependable, honest, and fairly priced. My furnace randomly started having problems and I…”
What customers say “Called for a quote on replacing my furnace. Best price around! Very trustworthy and honest. Great warranty included.…”
What Collinsville homeowners say
“The best, absolutely the best consultation and customer service. Honest and I mean truely honest pricing and quotation process. Best price by far!!! Described and explained the best solution for my home. I can’t wait for the results which I am confid…”
“These guys are great. I've called them after hours a few times because I work odd shifts and they get to me within 24 most of the time. They fixed my AC during one summer and made it as painless as it can be and within 48 hours to boot. They've fixed…”
“The guys at embrich do a great job in all service departments. I always say people are fast to leave bad reviews on places but never fast to write good ones. Their 4.9 star review with 1200+ reviews speak for itself. I myself as someone who takes pri…”
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 Collinsville
- 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 Collinsville
- Morrison Plumbing, Heating, Air, & Electrical Services vs Classic Aire Care4.9★ vs 5.0★
- Morrison Plumbing, Heating, Air, & Electrical Services vs Embrich Plumbing, Heating, & Air Conditioning4.9★ vs 4.9★
- Classic Aire Care vs Embrich Plumbing, Heating, & Air Conditioning5.0★ vs 4.9★
- Classic Aire Care vs Polar Plumbing, Heating & Air Conditioning5.0★ vs 5.0★
- Embrich Plumbing, Heating, & Air Conditioning vs Polar Plumbing, Heating & Air Conditioning4.9★ vs 5.0★
- Embrich Plumbing, Heating, & Air Conditioning vs Viviano Heating & Cooling, Inc.4.9★ vs 4.9★
Related research
Frequently Asked Questions
What's the best heating system for Collinsville?
Collinsville 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 Collinsville?
Very. With 900 cooling degree days and summer highs regularly exceeding 74°F, AC is essential in Collinsville. 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 Collinsville?
Collinsville 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 Collinsville?
In Collinsville, 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
See our editorial standardsReport inaccurate info about Collinsville, IL HVAC pros
Get quotes from Collinsville HVAC pros
Compare verified local providers and request free estimates in one place.