12 HVAC Service Contractors in Westmont, IL
Top-Rated HVAC Service Contractors in Westmont
Hearthstone Heating & Air Conditioning
“Eight reviewers collectively praise steady pricing, responsive same-day arrivals, and thorough explanations across both heating and cooling seasons. Five…”
Stadtler Heating & Cooling
“Across 120 published reviews, five clients specifically name technicians Paul, Patrick, and Fred for emergency same-day arrivals. Four reviews describe the…”
All HVAC Service Contractors (12 total)
As Mechanical Corp
“All 43 reviews award 5 stars, with customers repeatedly mentioning the contractor beats competitor pricing,…”
LaCassa Plumbing | Plumber, Drain Cleaning, Sewer Repair and Tankless Water Heater Installation Westmont, IL
“Every reviewer awarded 5 stars, with four clients specifically naming technicians Nick, Josh, Carmen,…”
Season Comfort Corp Heating & Cooling
“Twelve of 16 reviewers award five stars, with recurring praise for same-day response times and technician…”
Bizzy Bee Heating and Cooling
“Five of eight reviewers awarded 5-star ratings, with three specifically naming Adam as the technician who…”
Dunhill HVAC Repair Service
“All nine reviewers awarded five stars, with four explicitly mentioning emergency or same-day service…”
Complete Air Duct Cleaning & Dryer Vent
“Seven clients awarded perfect five-star ratings, with multiple reviewers noting the scheduling speed within…”
Great Lakes Plumbing Heating & Fire Protection Company
“Both reviewers awarded four or five stars, with one client specifically praising the company's family-owned…”
HVAC Service Costs in Westmont
General HVAC service pricing across maintenance, repair, and installation in Westmont.
| Service | Low | Average | High |
|---|---|---|---|
Service call / diagnostic | $81 | $130 | $216 |
Routine tune-up (single system) | $76 | $135 | $216 |
Standard repair (avg) | $162 | $648 | $1,296 |
Major repair (compressor, heat exchanger) | $1,620 | $2,700 | $3,780 |
New system installation (mid-range) | $7,020 | $11,340 | $15,120 |
Full HVAC replacement AC + furnace combined | $12,517 | $14,504 | $15,228 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
HVAC Service in Westmont, IL: What to Expect
Westmont residents face heating challenges that test any home system. Chicago winters drop to 18 F with lake-effect wind chill making furnace reliability essential, while summers reach only 84 F with moderate humidity, meaning heating demand far exceeds cooling needs in this suburb. Eighteen contractors serve the area with an average 4.4 rating across 2,549 reviews, and seven offer 24/7 service for those moments when a furnace fails at midnight.
Homeowners budgeting for HVAC service in Westmont will find service calls ranging $81-$216, while routine tune-ups typically cost $76-$216. More extensive repairs can run from $162 up to $1,296 depending on the issue identified during diagnosis. Illinois does not require a statewide HVAC license, so local licensing requirements apply and homeowners should verify their contractor holds the appropriate municipal credentials before work begins.
Reviews highlight distinct strengths among top-rated contractors. Hearthstone Heating & Air Conditioning earns steady praise for transparent pricing and same-day responsiveness, with five reviewers noting thorough explanations across heating and cooling seasons. Stadtler Heating & Cooling draws recognition across 120 reviews for emergency service, with clients specifically naming technicians Paul, Patrick and Fred for arriving the same day. Berwyn Western Plumbing and Heating Company receives consistent mentions for courteous service, with reviewers frequently citing technicians Mark, Eric, Justin and Dave for skilled professionalism.