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Quick facts
- AreaMchenry County
- StateIL
- Providers50
- Typical ticket$3.5k – $11k
Top local providers
Request quotes →- installationrepairinspection
What customers say “Woodstock was able to set me up the next day for a non-urgent situation with my furnace. Luis was personable, on time,…”
- 24HR Home Comfort ServicesTop rated
What customers say “I have been consistently getting error readings on my thermostat, honestly since I moved in a year ago. Spoke to the…”
- GSHA Services, LTDTop ratedinstallationrepairinspection
What customers say “One of the many victims of the copper evaporator coil leaking which led down for a more cost effective route (in the…”
- installationrepairinspectionemergency
What customers say “We recently had our boiler replaced by Four Seasons, and we couldn’t be happier with the experience. Our system was…”
- H.R. Stewart IncTop ratedinstallationrepairemergency
What customers say “Eric from H.R. Stewart was incredible. My furnace stopped working in the middle of the night, and he spent nearly 30…”
- McHenry Heating & Air, Inc.Top rated
What customers say “We have a tankless water heater that needed flushing. Chris came out, determined what needed to be done and verified…”
- Jetts Heating and AirTop rated
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…”
- Com24 Heating & Air Conditioning LLCTop rated
What customers say “We were having humidity issues in our home and contacted Com24 to come out for an inspection, turns out we needed a…”
- Shadow Heating and CoolingTop rated
What customers say “I would recommend Shadow Heating and Cooling anyone. My furnace broke in inclement weather and thy were “Johnny on the…”
- CKA Mechanical Inc.Top rated
What customers say “I manage a commercial building/ large warehouse. I dropped our last HVAC service company for dishonesty and poor…”
- Algonquin Heating & Air ConditioningTop ratedinstallationrepairemergency
What customers say “This is Will Pfister writing this review. Algonquin Heating & Cooling installed are new Lennox furnace and AC unit in…”
- Comfort Air Heating & Cooling IncTop rated
What customers say “We were referred to Comfort Air by our usual maintenance Company, who did not have anyone to send out to us…”
- Combined Services HVACTop rated
What customers say “I couldn't be more pleased with my experience with Combined Services. From the moment I called, their customer service…”
What customers say “D&D comfort did an amazing job on our furnace replacement. We called them out to do a second opinionand we were so…”
What customers say “I just have to give some kudos to Nathan who did my fall service last month. I mentioned that my guest bedroom was…”
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. Prices vary by system type, efficiency, and whether ductwork modifications are needed.
Cities in this county
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Frequently Asked Questions
Do HVAC pros in Mchenry County charge travel fees?
Some rural routes include a trip charge. Confirm before scheduling and ask whether it applies to the estimate.
Which cities are in Mchenry County?
Mchenry County includes multiple local cities.
Are permits required for HVAC work?
Most Illinois jurisdictions require a mechanical permit for equipment swaps. Ask your provider who pulls the permit and how it is priced.
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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