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HVAC Contractors in DeKalb, IL

10 HVAC professionals listed. Compare services, websites, service areas, and direct contact options.

10contractors listed

9websites available

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Compare HVAC contractors

10 results

1 Source Mechanical

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 517-0501
Business location: Business location: 821 E Lincoln HwyClosed

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Cady Heating and Cooling

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website unavailable

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 899-4328
Listed in: Listed in: DeKalb, IL

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Comfort Ness Heating & Cooling

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 995-4242
Listed in: Listed in: DeKalb, IL

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DeKalb Mechanical, Inc.

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 756-6528
Listed in: Listed in: DeKalb, IL

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Edelman Heating, Cooling, Plumbing, Electric & Solar

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 200-4434
Business location: Business location: 1132 Pleasant St CClosed

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G's R Plumbing & Heating

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 758-5228
Business location: Business location: 1831 E Lincoln HwyClosed

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Joiner's HVAC, Inc.

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 761-8445
Listed in: Listed in: DeKalb, IL

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KM Heating and Cooling

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 691-1991
Listed in: Listed in: DeKalb, IL

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Reliable Cooling & Heating LLC

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 570-1888
Listed in: Listed in: DeKalb, IL

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Smith-Dahlquist, Inc.

DeKalb, IL

Unclaimed listing Checked Aug 2026 Website from public listing data, not independently confirmed

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (815) 895-5470
Listed in: Listed in: DeKalb, IL

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Hiring and service guidance

Common HVAC needs in DeKalb

DeKalb homeowners and property managers commonly compare contractors for furnace repair, AC repair, seasonal maintenance, emergency no-heat calls, ductwork, and indoor air quality work. Use the cards below to shortlist local and nearby HVAC companies, then confirm service area, availability, license details, and current pricing directly with each business.

What to check before hiring in DeKalb

Contact details: Use phone numbers and websites as a starting point, then confirm hours, services, and licensing directly with the contractor.
Owner updates: Claimed listings may include validated owner-source details subject to source precedence.
Services: Confirm the contractor handles your specific heating, cooling, ductwork, or indoor air quality need.
Emergency availability: Ask whether after-hours or weekend heating and cooling help is available.
Get multiple estimates: Contact at least 2-3 contractors before choosing.

Confirm the contractor's service areaBusiness addresses do not always match the cities a contractor serves. Confirm coverage directly before scheduling.

Own or manage an HVAC company? Claim your listing for free to keep phone, website, service-area, and service details current. Claim or update listing