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HVAC Contractors in Round Lake, IL

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

10contractors listed

7websites available

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Compare HVAC contractors

10 results

Active Heating & Cooling

Round Lake, IL

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

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (224) 502-9774
Listed in: Listed in: Round Lake, IL

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Air Technicians Inc

Round Lake, IL

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

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 265-1400
Business location: Business location: 95 W Grand Ave Ste 102Closed

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Biermann Heating & Air Conditioning

Round Lake, IL

Unclaimed listing Checked Aug 2026 Website unavailable

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 847-6908
Listed in: Listed in: Round Lake, IL

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Duane Blanton Round Lake

Round Lake, IL

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

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 855-0075
Listed in: Listed in: Round Lake, IL

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J.conejo's Heating & Cooling

Round Lake, IL

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

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 613-5614
Listed in: Listed in: Round Lake, IL

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LTD Heating and Cooling Corp

Round Lake, IL

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

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 275-7431
Listed in: Listed in: Round Lake, IL

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magzimo comfort inc.

Round Lake, IL

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

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 208-0674
Listed in: Listed in: Round Lake, IL

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Northern Air Systems, Inc.

Round Lake, IL

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

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 223-8877
Listed in: Listed in: Round Lake, IL

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Quick HVAC Service

Round Lake, IL

Unclaimed listing Checked Aug 2026 Website unavailable

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 276-7509
Listed in: Listed in: Round Lake, IL

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VIP HVAC

Round Lake, IL

Unclaimed listing Checked Aug 2026 Website unavailable

AC Repair
Emergency HVAC
Heating Repair
HVAC Maintenance

Phone: (847) 714-7169
Listed in: Listed in: Round Lake, IL

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Hiring and service guidance

Common HVAC needs in Round Lake

Round Lake 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 Round Lake

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