Top Heating Companies in Waukegan in 2026

Finding reliable heating services in Waukegan requires careful consideration of factors beyond price. We evaluated 23 heating companies serving the Waukegan area through comprehensive research. Our analysis prioritized companies with proven track records and transparent business practices. From this extensive evaluation, we identified the top eight providers that consistently deliver superior service quality.

Our Ranking Algorithm

• Experience & Longevity (30%): Years in business, number of installations completed, and demonstrated expertise in Chicagoland’s unique climate conditions
• 24/7 Availability & Response Time (25%): Emergency service accessibility, guaranteed response times, and year-round support
• Customer Satisfaction (20%): Verified customer reviews highlighting service quality, transparency, and long-term reliability
• Technical Expertise & Certifications (15%): Factory certifications, licensed technicians, and specialized training in modern HVAC systems
• Transparent Pricing & Value (10%): Job-based pricing structures, warranty offerings, and no hidden fees

Waukegan Heating Company Rankings

Rank	Company	Experience	24/7 Service	Customer Rating	Certifications	Pricing Model
1	Four Seasons Heating and Air Conditioning	54 Years	Yes	Excellent	Factory Authorized	Job-Based
2	Kern Heating & Cooling Co.	89 Years	Yes	Excellent	Multi-Brand Certified	Competitive
3	ABC Plumbing, Sewer, Heating, Cooling, and Electric	70+ Years	Yes	Very Good	NATE Certified	Job-Based
4	Herchenbach Mechanical	44 Years	Yes	Excellent	Carrier Authorized	Transparent
5	Comfort Cavalry Heating & Air	15+ Years	Yes	Very Good	Licensed & Insured	Fair Pricing
6	Signature Heating & Cooling LLC	13 Years	Yes	Excellent	Licensed & Insured	Competitive
7	Optimized Air	2 Years	Yes	Good	Licensed	Transparent
8	Astera Heating, Cooling, and Appliance Repair	5+ Years	Yes	Good	Certified	Upfront

Company Descriptions & Reviews for Top Heating Companies in Waukegan

1. Four Seasons Heating and Air Conditioning

Four Seasons has served the Greater Chicagoland area since 1971, establishing itself as the region’s most experienced heating provider. With over 600 service trucks and 54 years of continuous operation, the company maintains its local focus despite its scale. Its commitment to transparent, job-based pricing eliminates concerns about hourly rates, while 24/7/365 availability ensures a two-hour response time, regardless of day or time.

• Experience & Longevity: 54 years of continuous service in Chicagoland
• 24/7 Availability & Response Time: Two-hour guaranteed response time for emergency calls with 24/7/365 availability
• Customer Satisfaction: 2x BBB Torch Award for Marketplace Ethics, with consistently high customer ratings
• Technical Expertise & Certifications: Factory-authorized dealer with extensively trained technicians
• Transparent Pricing & Value: Job-based pricing with zero hidden fees

Customer Review Summary
Based on verified Angi reviews, customers consistently note Four Seasons’ “professional and responsive” service. Common feedback highlights the company as “very professional, informative, and responsive,” with quick turnaround times for service needs.

2. Kern Heating & Cooling Co.

Kern Heating & Cooling Co. has operated continuously since 1936, making it one of Waukegan’s longest-established heating specialists. Its extensive brand partnerships include Lennox, Trane, York, Carrier, and Rheem, providing customers with a diverse range of equipment options. The company’s 89-year track record demonstrates consistent adaptation to evolving HVAC technology while maintaining traditional service values.

• Experience & Longevity: 89 years serving the Greater Chicagoland area with multi-generational expertise
• 24/7 Availability & Response Time: Same-day service availability with no extra charges for nights or weekends
• Customer Satisfaction: Excellent customer reviews highlighting professional installation teams
• Technical Expertise & Certifications: Authorized dealer for multiple premium brands, including Lennox, Trane, York, Carrier, and Rheem
• Transparent Pricing & Value: Competitive pricing with flexible financing options

Customer Review Summary
Verified website reviews highlight that customers praise Kern’s technicians as “polite, knowledgeable, and cleaned up after themselves.” One satisfied customer noted that “Kerns Heating/AC provided a positive experience from proposal through installation” with honest assessments and timely completion.

3. ABC Plumbing, Sewer, Heating, Cooling, and Electric

ABC Plumbing has provided comprehensive home services for over 70 years across the Chicagoland region. Its multi-trade approach enables comprehensive system diagnostics, addressing heating issues that may stem from electrical or plumbing problems. The company’s extensive service history reflects steady growth built on customer referrals and satisfaction.

• Experience & Longevity: 70+ years of comprehensive home services with steady growth through customer referrals
• 24/7 Availability & Response Time: 24/7 emergency service availability with rapid response times
• Customer Satisfaction: Multiple Carrier President’s Awards recognizing exceptional customer service
• Technical Expertise & Certifications: NATE-certified technicians with multi-trade expertise
• Transparent Pricing & Value: No-surprises pricing policy with background-checked technicians

Customer Review Summary
According to verified Angi reviews, customers appreciate ABC’s approach with “thorough approach, clear communication without a big sales pitch” and describe the service as “very professional” with excellent customer focus.

4. Herchenbach Mechanical

Herchenbach Mechanical has served Lake County since 1981 as a family-owned operation specializing in residential and light commercial HVAC. Its Carrier Factory Authorized Dealer status ensures access to premium equipment and training. The company’s local focus and multi-generational ownership create strong community ties throughout the Gurnee and Waukegan areas.

• Experience & Longevity: Family-owned and operated for 44 years with strong Lake County community ties
• 24/7 Availability & Response Time: 24/7/365 emergency service with fast response for local customers
• Customer Satisfaction: 2024 Best of Gurnee Award winner with excellent customer service ratings
• Technical Expertise & Certifications: Carrier Factory Authorized Dealer with specialized training and equipment access
• Transparent Pricing & Value: Free estimates on new equipment with maintenance agreement programs

Customer Review Summary
Verified Carrier dealer reviews show customers praising “excellent customer service from beginning to end” and stating they “highly recommend Herchenbach Mechanical if you are looking for quality and experience.”

5. Comfort Cavalry Heating & Air

Comfort Cavalry operates throughout Lake County, focusing on honest service and competitive pricing. Its residential and commercial expertise covers furnaces, boilers, heat pumps, and ductless systems. The company’s growing reputation stems from consistent quality and responsive customer support.

• Experience & Longevity: 15+ years serving Lake County with a growing reputation for quality service
• 24/7 Availability & Response Time: 24/7 emergency service availability with responsive customer support
• Customer Satisfaction: Positive customer reviews highlighting friendly service and honesty
• Technical Expertise & Certifications: Licensed, bonded, and insured technicians with ductless system specialization
• Transparent Pricing & Value: Fair pricing with Comfort Corps maintenance membership options

Customer Review Summary
According to verified Yelp reviews, customers describe Comfort Cavalry as “very friendly, on time, honest and informative,” with many noting they “have used for maintenance and repair” across multiple service visits.

6. Signature Heating & Cooling LLC

Signature Heating & Cooling LLC has served the Gurnee and Waukegan areas since 2012, with the owner personally involved in every project. Its customer-first approach emphasizes tailored recommendations based on actual needs rather than pushing oversized systems. The company maintains a 5-star rating across review platforms, thanks to consistent quality and responsive service.

• Experience & Longevity: 13 years serving Lake County with owner-led quality control on all projects
• 24/7 Availability & Response Time: Rapid emergency response with same-day service capability
• Customer Satisfaction: 5-star Google rating with 108+ verified reviews praising honest recommendations
• Technical Expertise & Certifications: Licensed technicians with expertise across multiple HVAC brands
• Transparent Pricing & Value: Competitive pricing with financing options and maintenance plans

Customer Review Summary
Verified Google reviews show customers praising Signature for its “thorough knowledge and clear explanations.” Multiple reviews highlight “Art and his team went above and beyond” with one customer noting they “didn’t try to sell me a new unit, which other companies have tried to in the past.”

7. Optimized Air

Optimized Air entered the Waukegan market in 2023, bringing modern approaches to traditional HVAC services. Its focus on transparent pricing and customer education appeals to homeowners seeking clear communication. The company offers comprehensive heating, cooling, and indoor air quality solutions with emphasis on energy efficiency.

• Experience & Longevity: 2 years in the Waukegan market with modern service approaches
• 24/7 Availability & Response Time: 24/7 emergency service availability with quick dispatch
• Customer Satisfaction: Positive reviews highlighting professional service and cost-saving solutions
• Technical Expertise & Certifications: Licensed technicians with energy-efficient system specialization
• Transparent Pricing & Value: Free estimates with transparent pricing and up to 10-year labor warranty options

Customer Review Summary
According to verified Google and Yelp reviews, customers consistently praise Justin and his team as “very professional, courteous, and very honest about fees,” with one customer noting “he saved me quite a bit of money” by properly diagnosing and repairing rather than replacing equipment.

8. Astera Heating, Cooling, and Appliance Repair

Astera provides heating services, as well as appliance and refrigeration repair, throughout the Chicagoland area. Its fully-stocked service vehicles enable on-site repairs without delays. The company’s comprehensive approach addresses multiple home comfort systems through a single provider.

• Experience & Longevity: 5+ years providing combined HVAC and appliance services in Chicagoland
• 24/7 Availability & Response Time: 24/7 emergency service with fully-stocked vehicles for immediate repairs
• Customer Satisfaction: Positive customer feedback describing staff as incredibly sweet and trustworthy
• Technical Expertise & Certifications: Insured and certified technicians with multi-system expertise
• Transparent Pricing & Value: Upfront pricing with membership maintenance plans

Customer Review Summary
Based on verified Angi reviews, customers describe Astera’s staff as “incredibly sweet” with positive experiences, noting that “after speaking with Astera Heating, Cooling & Appliance Repair, I knew I was in good hands.”

Best for Emergency Response

This table highlights companies that offer emergency heating repair when systems fail under extreme winter conditions.

Rank	Company	Response Time	Emergency Availability	Service Coverage
1	Four Seasons Heating and Air Conditioning	2 Hours Guaranteed	24/7/365	Greater Chicagoland
2	Kern Heating & Cooling Co.	Same Day	24/7/365	Lake County Area
3	ABC Plumbing, Sewer, Heating, Cooling, and Electric	Rapid Response	24/7	Waukegan Region
4	Herchenbach Mechanical	Fast Response	24/7/365	Lake County
5	Optimized Air	Quick Dispatch	24/7	Waukegan Area

Best for Long-Term Value

This table identifies companies delivering sustained performance and cost savings over time.

Rank	Company	Warranty Options	Maintenance Programs	Pricing Transparency	Years in Business
1	Kern Heating & Cooling Co.	Manufacturer Backed	Maintenance Plans	Transparent	89 Years
2	Four Seasons Heating and Air Conditioning	Comprehensive	Available	Job-Based	54 Years
3	ABC Plumbing, Sewer, Heating, Cooling, and Electric	Strong Coverage	Worry-Free Plans	No Surprises	70+ Years
4	Herchenbach Mechanical	Manufacturer Backed	Agreement Programs	Upfront	44 Years
5	Comfort Cavalry Heating & Air	Standard Options	Comfort Corps	Fair	15+ Years

Request Your Copy of the Full Report

Our complete analysis includes detailed pricing comparisons, warranty information, and service area maps. To receive the full PDF report via email, contact us today.