Mchenry, IL

HVAC Pros in Mchenry, IL

Suburban Mchenry sees heavy seasonal swings; 14 HVAC contractors handle the tune-up and install flow. ComEd (Commonwealth Edison) rebates up to $1,800 available.

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Quick facts

  • AreaMchenry
  • StateIL
  • Providers14
  • Climate zone5A-Cool-Humid
  • Heating degree days6,200
  • Recommended systemdual fuel

Why HVAC matters in Mchenry

Mchenry 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 (McHenry 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 Mchenry

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.

Typical cost$8,000–$16,000
After rebates$4,200–$12,200 after rebates

See full cost breakdown by system type →

About Mchenry HVAC

Mchenry's suburban profile means most HVAC work is replacement rather than new-build. 14 HVAC providers list active service in Mchenry — a small but workable shortlist. Getting three quotes is realistic if you plan a week out.

Mchenry'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. ComEd (Commonwealth Edison)'s ComEd Energy Efficiency Heat Pump Rebate currently offers up to $1,800 toward a qualifying system, which meaningfully shifts the cost-of-ownership math.

Top local providers

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  1. McHenry Heating & Air, Inc. storefront photo
    4.9 (613 reviews)Serves Mchenry
    What customers say
    We have a tankless water heater that needed flushing. Chris came out, determined what needed to be done and verified…
  2. Jetts Heating and Air storefront photo
    4.9 (368 reviews)Serves Mchenry
    What customers say
    Does it get any better than this? A balmy 65 degrees in my garage and it's currently 20 degrees outside. Thanks to the…
  3. Comfort Air Heating & Cooling Inc storefront photo
    4.7 (185 reviews)Serves Mchenry
    What customers say
    We were referred to Comfort Air by our usual maintenance Company, who did not have anyone to send out to us…
  4. Combined Services HVAC storefront photo
    4.8 (175 reviews)Serves Mchenry
    What customers say
    I couldn't be more pleased with my experience with Combined Services. From the moment I called, their customer service…
  5. CRS Heating & Air Conditioning, Inc. storefront photo
    4.6 (79 reviews)Serves Mchenry
    What customers say
    Mike Howell was very curious and professional, he show me all the areas of the leaks and he answered all my questions…
  6. Loud Brothers storefront photo
    Loud BrothersTop rated
    4.8 (55 reviews)Serves Mchenry
    installationrepairinspection
    What customers say
    I've had my fair share of experiences with HVAC companies, and unfortunately, many seem more interested in taking…
  7. 4.8 (50 reviews)Serves Mchenry
    What customers say
    American Comfort Central did an outstanding job installing my new A/C unit. From start to finish, the experience was…
  8. Phoenix HVAC LLC storefront photo
    5.0 (17 reviews)Serves Mchenry
    What customers say
    The techs were both very professional. The company was able to work with me and my finances. The office let me know…
  9. 4.3 (18 reviews)Serves Mchenry
    What customers say
    Koch Indoor Weather is fantastic! My furnace recently conked out during freezing weather and their technician Nate was…
  10. TOPTEC Heating, Cooling, Plumbing, & Electrical, Inc. storefront photo
    5.0 (9 reviews)Serves Mchenry
    installationrepairinspectionemergency
    What customers say
    We’ve used this company twice now to service our furnace and AC. Each time, the person coming to service equiptment is…
  11. 123 Mechanical storefront photo
    5.0 (5 reviews)Serves Mchenry
    installationrepairinspection
    What customers say
    Due to water seepage my electric panel was destroyed. I called Jim on Friday and he was over on Saturday to diagnose…
  12. Ace HVAC Inc. storefront photo
    3.9 (7 reviews)Serves Mchenry
    What customers say
    We have used Ace for 10 years. Very friendly customer service. Jeremy is are technician that services our house. Very…
  13. Rudd Heating and Cooling storefront photo
    5.0 (3 reviews)Serves Mchenry
    What customers say
    During the last cold snap our heater wasn't working and we called Rudd Heating and Cooling to come out. They responded…
  14. Bill's Heating and Cooling Service storefront photo
    5.0 (2 reviews)Serves Mchenry
    What customers say
    Bill is a great guy and will treat you fairly. Always shows up on time and prepared to get your equipment up and…

What Mchenry homeowners say

★★★★★

We were referred to Comfort Air by our usual maintenance Company, who did not have anyone to send out to us immediately, for resolving an issue that came up late in the evening with our Air Conditioner. Garrett came out and had our problem fixed in u…

Jen Haber reviewing Comfort Air Heating & Cooling Inc, a year ago
★★★★★

We’ve used this company twice now to service our furnace and AC. Each time, the person coming to service equiptment is professional, friendly and very knowledgeable. Jordan, who serviced our AC went above and beyond to find any other issues, without …

Michelle Ciesielski reviewing TOPTEC Heating, Cooling, Plumbing, & Electrical, Inc., a week ago
★★★★★

The techs were both very professional. The company was able to work with me and my finances. The office let me know when issues came up and where able to rectify any issues that came up. I would definately recomend Phoenix HVAC to any of my friends a…

Bonnie Hunter reviewing Phoenix HVAC LLC, 10 months ago

Local pricing snapshot

Typical project range$3,500 – $12,500per system install, Mchenry

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 Mchenry

  • ComEd (Commonwealth Edison): ComEd Energy Efficiency Heat Pump Rebate $500–$1,800 for heat pump
  • ComEd (Commonwealth Edison): ComEd Smart Thermostat Instant Rebate $75–$100 for thermostat
  • Nicor Gas: Nicor Gas High-Efficiency Furnace Rebate $200–$500 for furnace
  • Nicor Gas: Nicor Gas Smart Thermostat Rebate $50–$75 for thermostat

Federal tax credits (up to $2,000 for heat pumps) can stack with utility rebates. See full cost breakdown →

Nearby service areas

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Frequently Asked Questions

  • What's the best heating system for Mchenry?

    Mchenry 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 Mchenry?

    Very. With 900 cooling degree days and summer highs regularly exceeding 74°F, AC is essential in Mchenry. 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 Mchenry?

    Mchenry homeowners can stack multiple incentives: ComEd (Commonwealth Edison) offers up to $1,800 for heat pump installations. Add the federal 25C tax credit ($2,000), and total savings can reach $3,800+. Ask your installer to itemize which rebates apply to your specific project.

  • How much does HVAC work cost in Mchenry?

    In Mchenry, 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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