St. Catharines’ Heating Maintenance Experts


Your Reliable Furnace Maintenance Team Since 1979


Mr. Furnace Heating and Air Conditioning and our team of highly experienced technicians offer quality heating maintenance service in St. Catharines and the surrounding areas. Our locally owned and operated company is accredited by the BBB (with an A+ rating), and we work with the best interests of our customers in mind. We always strive to provide the best possible service because our goal is to earn the trust of each of our customers. Our company is known for:

  • Hiring only the best technicians
  • Offering a 100% customer satisfaction guarantee
  • Providing personalized service
  • Charging fair prices for parts and labor


From arriving at our appointments on time to working efficiently to complete maintenance promptly, we'll give each step of the process our complete attention.


Benefits of Heating Maintenance in St. Catharines

Regular maintenance of your heating system ensures that it’s always running like it should and producing heat when you need it most. We recommend having our professionals perform heating maintenance annually, and we strive to make it hassle-free to use our services. When we arrive for a furnace tune up, our technician will perform the following tasks:

  • Safety check  To keep you and your family safe, we make sure your furnace isn't harbouring carbon monoxide fumes.
  • Cleaning  The filter and burner compartment can collect dust and dirt over time, and this can impair your furnace's performance. We keep them clean.
  • Inspection  To keep your warm air flowing steadily, we inspect the blower wheel and clean it. We also check on the burner flame, make any necessary adjustments to the gas and air.
  • Checklist  We ensure that the combustion chamber and heat exchanger in your furnace are fully operational. We also check the pilot safety timing or flame sensor, and we'll replace the thermocouple when it's wearing out. Motors, belts, the thermostat, and the safety controls are also all checked and cleaned or adjusted as needed.
  • Lubrication  Moving parts can get dried out with all of the hot, dry, dusty air that filters through you furnace, so we lubricate those parts to keep them working.


We're prepared to maintain all furnace makes and models, and our technicians will arrive in a truck with all of the tools they'll need for the job.


High-Quality St. Catharines Furnace Maintenance

Mr. Furnace Heating and Air Conditioning wants you to have reliable heat throughout the winter. We use parts you can count on for each furnace tune up appointment, and our expert craftsmanship ensures that all part replacements are handled properly. We maintain our A+ rating with the BBB by offering exceptional customer service from start to finish. Contact us today to schedule furnace maintenance for your St. Catharines home. We also provide quality furnace repair, installation, and AC maintenance services!



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Mr Furnace Heating and Air Conditioning
28 Dunkirk Road St. Catharines, ON L2R 1A1, Canada
Phone: 905-390-1726

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