HVAC (heating & air conditioning) in Dekalb, IL

There are 127 HVAC companies within 25 miles of Dekalb, IL in the AssistAnt directory as of October 16, 2026, 6 of them based in Dekalb itself. None are verified by AssistAnt yet, so check a business’s license and insurance before you hire it. Verified businesses are listed first, then by distance. No business can pay for a higher spot.

HVAC (heating & air conditioning) near Dekalb

• 1 Source Mechanical DeKalb, IL · 0.2 mi Not verified yet (815) 517-0501
• All-star Heating & Air Conditioning Inc. DeKalb, IL · 0.4 mi Not verified yet (815) 981-8331
• Hero Heating & Air Conditioning DeKalb, IL · 0.5 mi Not verified yet (815) 756-8936
• DeKalb Mechanical, Inc. Dekalb, IL · 0.5 mi Not verified yet (815) 756-6528
• Comfort Ness Heating & Cooling Dekalb, IL · 3.0 mi Not verified yet (815) 995-4242
• One Hour Heating & Air Conditioning Dekalb, IL · 3.7 mi Not verified yet (815) 758-8484
• Smith-dahlquist, Inc. Sycamore, IL · 5.0 mi Not verified yet (815) 895-5470
• Hemispheres Heating and Cooling Malta, IL · 6.3 mi Not verified yet (815) 757-7777
• AH Brenner Heating & Cooling Sycamore, IL · 6.7 mi Not verified yet (815) 970-5127
• Dow HVAC Inc. Sycamore, IL · 7.1 mi Not verified yet (630) 675-8742
• J & R Herra Geothermal Elburn, IL · 10.8 mi Not verified yet (630) 423-5968
• Assured Appliance & Heating & Air Genoa, IL · 12.2 mi Not verified yet (847) 293-0047
• North Pines Climate Control Kirkland, IL · 12.8 mi Not verified yet (815) 522-2401
• Eco Temp HVAC Kirkland, IL · 12.8 mi Not verified yet (224) 253-8131
• Doc's HVAC Elburn, IL · 13.5 mi Not verified yet (630) 965-9444
• Leith Heating and Cooling Inc. Elgin, IL · 14.0 mi Not verified yet (847) 851-8698
• J&r Herra Heating, Cooling, & Plumbing Elburn, IL · 14.1 mi Not verified yet (630) 474-8806
• Countryside Mechanical Hampshire, IL · 14.6 mi Not verified yet (847) 683-0815
• Gaston Heating & Ac Shabbona, IL · 15.3 mi Not verified yet (815) 627-9135
• Cka Mechanical Inc. Hampshire, IL · 15.6 mi Not verified yet (224) 218-1060
• C & C Plumbing Heating & Cooling, Inc. Rochelle, IL · 16.5 mi Not verified yet (815) 562-7110
• American Mechanical Heating & Cooling Campton Hills, IL · 16.7 mi Not verified yet (224) 258-4430
• Pemberton Plumbing Heating & Cooling, Inc. Rochelle, IL · 17.1 mi Not verified yet (815) 561-6119
• Hull HVAC & Household Services Rochelle, IL · 17.1 mi Not verified yet (815) 561-6551
• Hurst Heating & Cooling Monroe Center, IL · 18.0 mi Not verified yet (815) 757-4383
• Orange Home Services Elburn, IL · 18.1 mi Not verified yet (630) 761-3343
• Schambach Plumbing & Heating Elgin, IL · 18.2 mi Not verified yet (847) 464-5373
• Beebe Heating & Air Conditioning Saint Charles, IL · 18.3 mi Not verified yet (630) 443-7166
• Fresh Hvac & Duct Cleaning Sugar Grove, IL · 18.9 mi Not verified yet (847) 250-0806
• ACR Heating and Cooling LLC Sugar Grove, IL · 19.4 mi Not verified yet (630) 466-4981

Showing the 30 listed first. Search by ZIP code to see more.

Questions

How many HVAC companies are near Dekalb, IL?

127 within 25 miles, 6 in Dekalb, as of October 16, 2026.

Which HVAC companies near Dekalb, IL are verified?

None yet. Verified means AssistAnt checked the business registration and insurance; unverified listings come from public business records.

Can a business pay to rank higher on AssistAnt?

No. Verified businesses are listed first, then everyone else by distance. Placement cannot be bought, and AssistAnt never sells your contact information.

More in Dekalb

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• Electricians in Dekalb, IL64 businesses
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• Landscaping & lawn care in Dekalb, IL173 businesses
• Cleaning services in Dekalb, IL110 businesses
• Pest control in Dekalb, IL23 businesses
• Locksmiths in Dekalb, IL24 businesses
• Painters in Dekalb, IL50 businesses
• Garage door repair in Dekalb, IL36 businesses
• Handyman services in Dekalb, IL34 businesses
• Pool & spa service in Dekalb, IL13 businesses
• Concrete, masonry & paving in Dekalb, IL68 businesses
• Fence contractors in Dekalb, IL12 businesses
• Septic services in Dekalb, IL17 businesses
• Junk removal in Dekalb, IL5 businesses
• Windows & doors in Dekalb, IL26 businesses
• Towing in Dekalb, IL46 businesses
• Auto repair in Dekalb, IL373 businesses
• Collision repair & auto glass in Dekalb, IL69 businesses
• Diesel & truck repair in Dekalb, IL37 businesses
• Welding & fabrication in Dekalb, IL89 businesses
• Machine shops & CNC in Dekalb, IL99 businesses
• Computer & phone repair / IT in Dekalb, IL52 businesses
• Excavation & heavy equipment in Dekalb, IL19 businesses

Nearby towns

• Sycamore, IL 5 mi
• Malta, IL 6 mi
• Genoa, IL 12 mi
• Kirkland, IL 13 mi
• Elburn, IL 14 mi
• Hampshire, IL 15 mi
• Shabbona, IL 15 mi
• Campton Hills, IL 17 mi
• Rochelle, IL 17 mi
• Sugar Grove, IL 17 mi

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