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24-Hour HVAC Companies in Waukegan, IL — Always Available
Emergencies don't keep business hours. These hvac companies in Waukegan are available 24 hours a day, 7 days a week — including holidays.
As of June 2026, RatingsNearMe ranks 19 hvac companies in Waukegan, IL by verified customer ratings and review volume. The highest-rated is TopTec Heating, Cooling, Plumbing & Electrical with a 4.8-star rating from 2,075 verified reviews. Also in the top tier: Kern Heating & Cooling Co. and Herchenbach Mechanical Inc.. The average rating across all listed hvac companies in Waukegan is 4.7 stars from 249 reviews per business on average.
HVAC service in Waukegan: $75–$150/hr for repairs; full system replacement $4,000–$12,000 depending on size and efficiency.
Rankings updated June 1, 2026 · Scored by ratings (35%), review volume (30%), sentiment (20%), completeness (10%), availability (5%) · Not paid placement.
Local Market Snapshot
19
Businesses listed
4.7★
Avg rating
249
Avg reviews
Jun 1, 2026
Last updated
Top Rated HVAC Companies
TopTec Heating, Cooling, Plumbing & Electrical
510 North Ave, Libertyville, IL 60048, USA
Kern Heating & Cooling Co.
C4GW+R6, 38931 N Lewis Ave, Beach Park, IL 60099, USA
Herchenbach Mechanical Inc.
830 Magnolia Ave, Gurnee, IL 60031, USA
HVAC Companies Rankings in Waukegan, IL
| # | Business | Rating | Reviews |
|---|---|---|---|
| #1 | TopTec Heating, Cooling, Plumbing & Electrical510 North Ave, Libertyville, IL 60048, USA | 4.8★ | 2,075 |
| #2 | Kern Heating & Cooling Co.C4GW+R6, 38931 N Lewis Ave, Beach Park, IL 60099, USA | 4.7★ | 1,208 |
| #3 | Herchenbach Mechanical Inc.830 Magnolia Ave, Gurnee, IL 60031, USA | 4.9★ | 594 |
| #4 | Northeast Illinois Service Company236 N Genesee St, Waukegan, IL 60085, USA | 4.6★ | 9 |
| #5 | Dana Heating and Cooling2835 Grand Ave, Waukegan, IL 60085, USA | 4.4★ | 33 |
| #6 | Waukegan Heating & Cooling Pros137 N Jackson St, Waukegan, IL 60085, USA | 4.9★ | 19 |
| #7 | J&G HEATING, COOLING & SERVICES LLC6 N St James St, Waukegan, IL 60085, USA | 5.0★ | 1 |
| #8 | Heating and Cooling63 E Scranton Ave, Lake Bluff, IL 60044, USA | 4.9★ | 34 |
| #9 | Signature Heating & Cooling83 Ambrogio Dr Ste B, Gurnee, IL 60031, USA | 5.0★ | 112 |
| #10 | Thornton Heating Service, Inc.19083 W Casey Rd, Libertyville, IL 60048, USA | 4.9★ | 88 |
Ranked by verified ratings & review volume · Data from Google Business listings · Updated June 2026
All HVAC Companies in Waukegan
Northeast Illinois Service Company
236 N Genesee St, Waukegan, IL 60085, USA
Dana Heating and Cooling
2835 Grand Ave, Waukegan, IL 60085, USA
Waukegan Heating & Cooling Pros
137 N Jackson St, Waukegan, IL 60085, USA
J&G HEATING, COOLING & SERVICES LLC
6 N St James St, Waukegan, IL 60085, USA
Heating and Cooling
63 E Scranton Ave, Lake Bluff, IL 60044, USA
Signature Heating & Cooling
83 Ambrogio Dr Ste B, Gurnee, IL 60031, USA
Thornton Heating Service, Inc.
19083 W Casey Rd, Libertyville, IL 60048, USA
Furnace HVAC Service
4 S Elmwood Ave, Waukegan, IL 60085, USA
Jasso HVAC-R
2263 N Green Bay Rd Unit C, Waukegan, IL 60087, USA
McDonough Mechanical Services, Inc.
4081 Joseph Ln, Waukegan, IL 60087, USA
Lowe's Air Duct Cleaning
1360 N Green Bay Rd, Waukegan, IL 60085, USA
Triple Tech Services
1800 Nations Dr Suite 177, Gurnee, IL 60031, USA
Olson Comfort Services Heating & Cooling
1402 W Dugdale Rd, Waukegan, IL 60085, USA
O'Brien Heating & Cooling
3128 Sheeler Ave, Waukegan, IL 60085, USA
Emmanuel's Heating & Cooling
424 S Victory St, Waukegan, IL 60085, USA
Better Climate Zone HVAC
83 Ambrogio Dr Ste D, Gurnee, IL 60031, USA
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Frequently Asked Questions — HVAC Companies in Waukegan
How do I find the best hvac companies in Waukegan?
Look for businesses with 4.5+ stars, 50+ verified reviews, proper licensing and insurance, and transparent pricing. The top-ranked hvac companies in Waukegan on this page are scored by our algorithm that weighs ratings, review count, and profile completeness.
Are hvac companies in Waukegan licensed and insured?
Licensing requirements vary by trade and state. For most home service contractors, IL requires both a state license and liability insurance. Always ask any contractor for proof of current insurance and a copy of their license number before work begins — you can verify most licenses on your state licensing board's website.
How much do hvac companies charge in Waukegan, IL?
Prices vary by scope, materials, and contractor experience. Use the free quote form on this page to request estimates from multiple local pros simultaneously. Getting 3+ quotes is the single most effective way to avoid overpaying.
What should I look for when hiring a hvac companies in Waukegan?
Verify licensing and insurance, read recent reviews on multiple platforms, ask for a written estimate before work starts, confirm they pull permits when required, and check references from recent local projects. Featured businesses on this page are ranked by verified ratings and review quality.
How are the hvac companies on this page ranked?
Rankings use a transparent algorithm: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Featured Partner listings have paid for enhanced visibility but must still earn their position through real customer reviews — sponsored listings are clearly labeled.
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How Rankings Work on This Page
Every hvac companies on RatingsNearMe is scored transparently: star rating (35%), review volume (30%), customer sentiment (20%), profile completeness (10%), and availability (5%). Businesses labeled exclusive or premium are Featured Partners — they have paid for enhanced visibility but must still rank through real customer reviews. We cap sponsored boosts so bad businesses can never buy the top spot.
Editorial notice: Ratings are based on publicly available data from Google Business listings. Consumers should independently verify licensing, insurance, and credentials before hiring any service provider. Last updated: June 1, 2026.
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