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  • HVAC
        • Air Conditioning
          • Installation
          • Maintenance
          • Repair
        • Air Ducts
        • Air Handlers
        • Boilers
        • Dual-Fuel Systems
        • Ductless Systems
        • Dryer Vent Cleaning
        • Gas Furnaces
          • Installation
          • Maintenance
          • Repair
        • Heat Pumps
          • Installation
          • Maintenance
          • Repair
        • Home Surge Protection
        • Indoor Air Quality
        • Oil-to-Gas Conversion
        • Oil Furnaces
        • Pool Heater Services
        • Sheet Metal
        • Smoke Detectors and Carbon Monoxide (CO) Alarms
        • Steam Boilers
        • Swimming Pool Heat Pumps
        • Zone Control Systems
  • Commercial
        • Air Handlers
        • Cooling
        • Dehumidification Systems
        • Heating
        • Heat Pumps
        • Indoor Air Quality
        • Maintenance
        • Refrigeration
        • Tankless Water Heaters
        • Water Heaters
        • Light Commercial
  • Plumbing
        • Water Heaters
          • Tankless Water Heaters
          • Tank Water Heaters
        • Sump Pump Services
  • Products
    • Carrier
    • Accessories
  • Specials
  • Company
        • About Us
        • Service Area
        • Financing
        • Comfort Club Maintenance
        • News
        • Read Our Reviews
        • Leave a Review
        • Referral
        • Careers
        • Contact Us
        • Request Estimate
        • Request Service

Gas Furnace Maintenance in Round Lake, IL 60073

October 6, 2026

“Brandon did the yearly maintenance on my furnace today. He was very knowledgeable and informative. I love that the technicians at Comfort Cavalry always clean up after themselves and never leave a mess!”

– Kim M.
« Gas Furnace Maintenance in Lake Villa, IL 60046
Logo for Comfort Calvary Heating & Air in Antioch, IL.

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847.395.0545

Antioch

307 Main Street,
Suite 106
Antioch, IL 60002

Google Rating
4.9
Based on 1207 reviews

Mundelein

25975 North Diamond Lake Road,
Suite 109
Mundelein, Illinois 60060

Google Rating
5.0
Based on 271 reviews
Logo for Comfort Calvary Heating & Air in Antioch, IL.

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Mundelein

25975 North Diamond Lake Road,
Suite 109
Mundelein, Illinois 60060

Google Rating
5.0
Based on 271 reviews
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847.395.0545