16 Emergency HVAC Contractors in Crystal Lake, IL

4.8 avg rating
4,254 total reviews13 offer 24/7 service

Top-Rated Emergency HVAC Contractors in Crystal Lake

#1

Althoff Home Services

4.8(1,064 reviews)
24/7 Highly Rated

Every reviewer awards 5 stars, with three recent feedbacks mentioning same-day or next-morning response times. Technicians Shawn, Jim, Jeff, and Braydon appear…

8001 S Illinois Rte 31, Crystal Lake, IL 60014
Call
#2

WeatherWise Heating & AC repair

4.8(782 reviews)
24/7 Highly Rated

Of two detailed reviews, one customer praised the company's pricing transparency and installation quality while another reported misdiagnosis and overcharging…

135 Erick St Unit G, Crystal Lake, IL 60014
Call
#3

Legacy Home Services

4.9(623 reviews)
24/7 Highly Rated

All five detailed reviews award 5 stars, with three specifically naming individual technicians, Patrick, Zach Olson, and Dan, and praising their diagnostic…

7316 Teckler Blvd Ste 2B, Crystal Lake, IL 60014
Call

All Emergency HVAC Contractors (16 total)

Rellaire Smart Home Systems

4.9(484)
24/7 Highly Rated

Nearly all positive reviews cite specific technicians by name and praise their diagnostic accuracy and…

4503 Ray St, Crystal Lake, IL 60012
Call

Four Seasons Heating, Air Conditioning, Plumbing, Sewer & Electric

4.8(503)
24/7 Highly Rated

503 reviews yield a 4.8-star average, with 3 of 4 named technicians, Sergio, Nathan, and another tech,…

7115 S Virginia Rd suite 106, Crystal Lake, IL 60014
Call

Absolute Comfort

4.8(250)
24/7 Highly Rated

Every reviewer awarded a 5-star rating, with eight separate accounts explicitly praising same-day or…

60 W Terra Cotta Ave, Crystal Lake, IL 60014
Call

McNally's Heating and Cooling

5.0(147)
24/7 Highly Rated

Every reviewer awarded 5 stars, with 3 of 3 publicly visible reviews praising same-day or under-90-minute…

150 S Virginia Rd #4, Crystal Lake, IL 60014
Call

Northern Continental Heating & Cooling, Inc.

4.8(130)
24/7 Highly Rated

Across 130 reviews, a striking pattern emerges: 4 reviewers explicitly praise the company's same-day response…

740 McArdle Dr Unit C, Crystal Lake, IL 60014
Call

Arctic Heating & Cooling

4.9(110)
24/7 Highly Rated

110 customers rated Arctic Heating & Cooling with a collective 4.9 stars, representing near-universal…

111 Erick St #120, Crystal Lake, IL 60014
Call

Evolution Mechanical Heating & Cooling

5.0(57)
24/7

All 57 consumer reviews award perfect five-star ratings, with recurring mentions of same-day emergency…

7103 Manor Rd # 1, Crystal Lake, IL 60014
Call

ACE Heating & Cooling

3.8(61)
24/7

Four negative reviews cite specific installation deficiencies including incorrect humidifier mounting,…

915 Pingree Rd B, Crystal Lake, IL 60014
Call

Platinum Heating and Cooling, Inc.

4.6(21)

Twelve of 21 five-star reviews specifically mention Jeremiah by name, noting his diagnostic skill and parts…

330 W Terra Cotta Ave Suite 14, Crystal Lake, IL 60014
Call

Arctic Enterprises, Inc

5.0(11)
24/7

All eleven reviewers award five stars, with multiple clients explicitly stating they will not use another…

2520 IL-176 Ste 8, Crystal Lake, IL 60014
Call

Dives Heating & Cooling

5.0(7)
24/7

Six of seven reviewers mention receiving same-day or next-day service, with Viktor arriving within hours of…

1307 Piper Ct, Crystal Lake, IL 60014
Call

R&A Heating and Air Conditioning Co.

5.0(3)

All three published reviews award five stars, with two clients explicitly mentioning fast response times and…

645E E Crystal Lake Ave, Crystal Lake, IL 60014
Call

Furnace Repair TEM Control

5.0(1)

The lone verified review for Furnace Repair TEM Control awards a perfect 5-star rating, with the client…

18939 Kings Gate Ln, Crystal Lake, IL 60014
Call

Emergency HVAC Costs in Crystal Lake

After-hours, weekend, and holiday HVAC service pricing in Crystal Lake. Rates are typically 1.5-2x standard.

ServiceLowAverageHigh
After-hours service call (weekday night)
Base fee before labor
$165$220$330
Weekend service call
$193$248$358
Holiday / major holiday call
$248$330$495
Emergency labor (hourly)
1.5-2x standard hourly rate
$176$226$275
Emergency repair total (typical)
Repair + after-hours surcharge
$330$770$1,320
Emergency repair (major)
Compressor, heat exchanger failures
$1,320$2,420$3,850

Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.

Emergency HVAC in Crystal Lake, IL: What to Expect

Crystal Lake sits within the Chicago metropolitan area, where winter temperatures dip to roughly 18 F with lake-effect wind chill pushing furnaces beyond normal workload, while summers reach 84 F with moderate humidity. This climate reality makes heating reliability paramount for homeowners. Sixteen HVAC contractors serve the area, earning an average rating of 4.8 across more than four thousand reviews, which means Emergency HVAC Crystal Lake searches lead to a competitive market of experienced professionals.

Illinois does not mandate statewide HVAC licensing, so local credentials apply. Service call pricing reflects this: after-hours weekday visits run $165-$330, weekend calls span $193-$358, and holiday service reaches $248-$495. These rates account for technician availability, diagnostic complexity, and parts sourcing. Homeowners should request written estimates before authorization and confirm municipal licensing since enforcement varies by community.

Customer testimonials reveal distinct service approaches. Althoff Home Services draws repeated mention of swift responsiveness, with reviewers citing Shawn, Jim, Jeff, and Braydon arriving same-day or next morning. Legacy Home Services receives high marks for diagnostic communication, with technicians like Patrick, Zach Olson, and Dan explaining options rather than recommending unnecessary work. One WeatherWise review praised transparent pricing while another described a disputed charge for a minor part inflated well beyond retail cost.

Frequently Asked Questions

Emergency HVAC in Crystal Lake adds a premium of $100-$300 to the standard service call fee, with labor billed at 1.5-2x normal rates. After-hours weekday calls typically run $150-$300 before repairs, weekends $175-$325, and holidays $225-$450. Total emergency repair costs usually land between $300-$1,200.