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3-43 Ross St, St Thomas, ON N5R 3X6
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Open now 7:00 am - 6:00 pm

Methods of Payment:

Opening Hours *Holiday hours

Showroom By Appointment Only
Emergency Appointments Available

Products and Services

  • Heating System Repair Service,
  • Heating System Installation,
  • Electric Heating,
  • Commercial Heating,
  • Propane Heating,
  • Natural Gas Heating,
    • Hot-water Heating,
    • Heating System Replacement,
    • Residential Heating,
    • Air Conditioning Repair,
    • Air Conditioning Service,
    • Residential Air Conditioning,
    • Commercial Air Conditioning,
    • Refrigeration Repair,
    • Refrigeration Replacement,
    • Refrigeration Installation,
    • Fireplace Showroom,
    • Gas Fireplace,
    • Custom Fireplace,
  • more...
  • less...


  • HVAC,
  • Heating,
  • Air Conditioning,
  • Ventilation,
  • Repair, Installation, Maintenance,
  • Custom Fireplaces,

Languages Spoken

  • English,

Getting There

  • 43 Ross St #3, St. Thomas, Ontario N5R 3X6,

Ratings & Reviews - County Lines HVAC & Fireplaces

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    Very professional and speedy service. Called for broken air conditioner and not only did they fix the problem but also recommended affordable replacement options. Will definitely use again.

    Are you the owner? Reply or Contact YP

    It was a brutally cold night and my furnace broke down. I called Countylines to fix the problem. I became a priority and my furnance was fixed the same day! Honest, professional, and quality work! I would call them again and recommended them to anyone wanting to support quality local work!

    Are you the owner? Reply or Contact YP

    Foremost they listend to what I had to say and what I was looking for! Once I finished my rant, they worked with me to design my custom fireplace. Top notch company that started and finished the Reno from head to toe. If you want consistency and someone that answers the phone... call them!

    Are you the owner? Reply or Contact YP

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