12 AC Installation Contractors in McHenry, IL
Top-Rated AC Installation 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 AC Installation Contractors (12 total)
CRS Heating & Air Conditioning, Inc.
“Review data shows universal 5-star satisfaction across sampled feedback, with 79 clients collectively…”
Loud Brothers
“The 4.9-star average reflects 54 reviews, with three detailed accounts on file. Positive reviews cite…”
American Comfort Central
“Forty-three of fifty reviews award five stars, with customers frequently citing same-day 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…”
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,…”
AC Installation Costs in McHenry
New central AC installation costs in McHenry, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $168 | $392 | $784 |
Ductless mini-split (single zone) | $2,240 | $5,040 | $8,960 |
Central AC replacement (existing ducts) | $3,920 | $7,280 | $13,440 |
Central AC new install (with ductwork) | $7,840 | $13,440 | $22,400 |
Carrier (residential) | $4,256 | $6,944 | $11,760 |
Trane (residential) | $5,600 | $9,856 | $15,232 |
Lennox (residential) | $3,920 | $7,280 | $13,440 |
Rheem (residential) | $3,584 | $6,160 | $10,080 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Installation in McHenry, IL: What to Expect
McHenry sits within the Chicago metropolitan fringe, where winter temperatures dip to 18 F and summer highs climb toward 84 F with manageable humidity. Though heating dominates annual workload, even a single humid stretch makes proper AC Installation in McHenry essential rather than optional. Twelve licensed contractors serve the area, collectively amassing over 7,400 reviews that converge on a 4.8 average rating, reflecting steady performance expectations throughout the county corridor.
Installation costs scale with system type. Central AC replacement using existing ducting runs $3,920-$13,440, while a single-zone ductless mini-split carries $2,240-$8,960, and window units span $168-$784 depending on capacity. Illinois does not require a statewide HVAC license, so contractors in McHenry operate under municipal permits that vary by individual jurisdiction.
Customer feedback points to distinct strengths among top-rated shops. Black Diamond Plumbing and Mechanical scores 4.9 stars across more than 6,600 reviews, with emergency availability surfacing repeatedly in client commentary. Jetts Heating and Air also holds a 4.9 average from nearly 400 reviews, and customers frequently name technicians Paul, Sean and Wayne while noting their prompt arrivals. Combined Services HVAC gathers a 4.8 average from 175 reviews, with several clients referencing same-day or after-hours emergency response alongside specific technician mentions.
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Other HVAC Services in McHenry, IL
All HVAC Contractors in McHenry, IL
Complete directory of 32 contractors — browse alphabetically
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All HVAC Contractors in McHenry, IL
Complete directory of 32 contractors — browse alphabetically