16 HVAC Repair Contractors in McHenry, IL
Top-Rated HVAC Repair Contractors in McHenry
Black Diamond Plumbing & Mechanical Inc.
“Six thousand six hundred reviews yield a 4.9-star average, placing this contractor among the most-reviewed HVAC and plumbing businesses in the McHenry County…”
Jetts Heating and Air
“Nearly 400 reviews averaging 4.9 stars reveal strong customer satisfaction, with 5-star feedback praising specific technicians Paul, Sean, and Wayne by name.…”
All HVAC Repair Contractors (16 total)
Combined Services HVAC
“Positive reviews frequently mention named technicians Dan, Scott, and owner Ken, with customers noting honest…”
CRS Heating & Air Conditioning, Inc.
“Review data shows universal 5-star satisfaction across sampled feedback, with 79 clients collectively…”
Loud Brothers
“Of 4 sampled reviews, 2 positive reviewers (Kevin C and Richard Diesterheft) praised specific technicians by…”
American Comfort Central
“Forty-three of fifty reviews award five stars, with customers frequently citing same-day service…”
Phoenix HVAC LLC
“All eight reviewers award a perfect 5-star rating, with four explicitly mentioning same-day or prompt service…”
Koch Indoor Weather
“Seven of ten fully visible reviewers awarded five stars, with most praising specific technicians by name.…”
123 Mechanical
“Every reviewer awards five stars, with four of five explicitly naming technician Jim and praising his…”
Ace HVAC Inc.
“Three of seven reviewers assign five-star ratings specifically praising Bob and Jeremy by name, with…”
Advantage Mechanical
“All four reviewers awarded Advantage Mechanical a perfect five-star rating, with two of them specifically…”
Rudd Heating and Cooling
“All three client reviews award a perfect 5-star rating, demonstrating consistent satisfaction. Reviewers…”
Bill's Heating and Cooling Service
“Both reviews award five stars, with customers specifically praising Bill's fairness in pricing, punctuality,…”
HVAC Repair Costs in McHenry
Typical heating and cooling repair costs in McHenry, by component.
| Service | Low | Average | High |
|---|---|---|---|
Diagnostic / service call | $83 | $132 | $220 |
Thermostat replacement | $165 | $303 | $550 |
Blower motor replacement | $440 | $715 | $1,210 |
Heat exchanger replacement | $1,650 | $2,420 | $3,850 |
Ignitor replacement (gas furnace) | $165 | $275 | $440 |
Control board replacement | $330 | $605 | $990 |
Full system repair (major) Multi-component failure | $550 | $1,320 | $3,300 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Repair in McHenry, IL: What to Expect
McHenry’s seasonal extremes—lake-effect chills that push winter lows to about 18°F and humid summers that top out near 84°F—make reliable heating systems essential and create steady demand for hvac-repair McHenry. Sixteen contractors serve the area, averaging a 4.8 rating from nearly 7,744 reviews, and six firms advertise 24/7 availability to respond to urgent furnace issues driven by heavy winter use.
Precise local pricing details from top cost items weren’t provided, but homeowners should expect a wide spectrum of charges depending on labor, parts, and emergency service calls; ask for itemized estimates and compare warranties. Illinois lacks a statewide HVAC license, so verify municipal or county credentials, local permit experience, and proof of insurance as part of any quote review. Transparent invoicing helps avoid surprise costs tied to after-hours repairs or complex retrofits.
Customer highlights were not included in the data, so consider common review patterns in McHenry: prompt emergency response, clear communication about diagnostics, and repeat business for seasonal tune-ups. Prioritize technicians who document findings, outline repair versus replacement options, and demonstrate familiarity with high-efficiency furnaces and cold-weather startup procedures. Confirm availability for winter follow-ups and read recent local reviews to gauge consistency.
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All HVAC Contractors in McHenry, IL
Complete directory of 37 contractors — browse alphabetically
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All HVAC Contractors in McHenry, IL
Complete directory of 37 contractors — browse alphabetically