16 HVAC Repair Contractors in Grayslake, IL
Top-Rated HVAC Repair Contractors in Grayslake
Precision Today Plumbing Heating Cooling Electrical (Miller's Area Heating)
“Of three accessible reviews, two award five stars citing same-day weekend installation and long-term cost recommendations, while one one-star review from a…”
Northern Air Systems, Inc.
“Seven of eight visible reviewers award 5 stars, praising response speed, diagnostic precision, and technician professionalism. The single 3-star review…”
All HVAC Repair Contractors (16 total)
Blue Star Heating and Cooling
“Every one of the 79 reviews awards 5 stars, with seven distinct customers naming Gus or his crew and praising…”
J M Heating & Cooling
“All 48 reviewers awarded 5-star ratings, with the majority emphasizing Joe's same-day response capability.…”
Elira Heating & Air Conditioning Inc
“25 of 29 reviewers awarded 5-star ratings, with multiple customers specifically praising Randy by name for…”
Wenborg Heating & Cooling
“All 20 reviews award five stars, with every client explicitly naming James as the technician delivering…”
ComfortPro HVAC Repair Grayslake
“Eight verified customers awarded perfect 5-star ratings, with 6 of 8 explicitly mentioning the technician…”
Tom's Mechanical Systems
“All five-star reviewers highlight the father-son team's communication and transparency, each mentions either…”
Applied Air
“Eleven of 13 reviewers awarded 5-star ratings, with positive feedback emphasizing full-system replacements,…”
Morozko Heating & Air Conditioning LLC
“Seven clients awarded perfect 5-star ratings, with two detailed reviews praising technical thoroughness and…”
Lombardo's Heating & Cooling Corp
“Three reviewers assign 5-star ratings, with each mentioning specific team members: Doug (owner), Kathy…”
SD HVAC
“With five total reviews yielding a 4.2-star average, the rating suggests generally favorable experiences…”
Uriel Commercial HVAC Furnace
“Three reviewers collectively award a perfect five-star rating, with each feedback mentioning specific…”
Batavia's Water Heat Repair & Installation
“One reviewer awarding a 5-star rating specifically mentions satisfaction with work quality, rates, and…”
HVAC Repair Costs in Grayslake
Typical heating and cooling repair costs in Grayslake, 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 Grayslake, IL: What to Expect
Grayslake’s winters are defined by lake-effect wind chill and average lows near 18°F, while summers rise to about 84°F with moderate humidity — conditions that make heating reliability far more critical than cooling. That seasonal imbalance drives strong demand for hvac-repair Grayslake, and the local marketplace reflects it: 16 contractors serve the area with an average rating of 4.5 across 1,555 reviews, and five firms advertise 24/7 emergency coverage.
Pricing varies by job type and equipment age; common services such as furnace tune-ups, heat exchanger repairs, and emergency callouts tend to dominate costs. Specific line-item estimates depend on system brand, part availability, and labor for technicians, and local municipal licensing applies because Illinois does not have a statewide HVAC license. Confirm any contractor’s local credentials and ask for a written estimate that breaks down parts, labor, and anticipated warranty coverage.
Customer feedback in this market often emphasizes punctuality, communication, and clarity of pricing. Review summaries point to positive experiences when technicians explain repair options and show parts before replacement. With multiple providers and emergency options available, prioritize contractors who document diagnostics, provide time-stamped estimates, and carry local permits to match Grayslake’s service expectations.