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Reliable Furnace Repair in St. Catharines & the Niagara Region

At J & S Heating & Air Conditioning, we understand how much you rely on your furnace. It keeps your residential or commercial property comfortable throughout the winter. A furnace breakdown can disrupt your routine and cause unnecessary downtime on your commercial property. For this reason, we offer comprehensive furnace services that include furnace maintenance and furnace repair in St. Catharines and the Niagara region. We can even supply and install a new furnace in case your old one breaks down. 


We are associated with leading furnace manufacturing companies to offer our customers effective heating solutions. We are a factory-authorized Carrier® dealer serving the Niagara region for the last 68 years. For furnaces with excellent annual fuel utilization efficiency (AFUE) ratings, you want to purchase a Carrier® condensing gas furnace.

If you are looking to get your old furnace repaired, get in touch with us.

Please contact us if you require furnace repair in St. Catharines or any of our other services. We can work on both commercial and residential properties. ​Learn more about the furnaces we carry in the sections below.

View of Carrier® Infinity® Series condensing gas furnace

Infinity® Series Condensing Gas Furnaces

For ultra-quiet, extra-efficient comfort in your home, you need the Carrier® Infinity® Series condensing gas furnace. This furnace makes subtle adjustments throughout the day to its modulating gas valve and adaptable-speed components to keep up with a changing environment. It can also “remember” previous cycles to automatically adjust heating stages for the best comfort and energy efficiency. It also includes:

  • Variable-speed ECM motor

  • Up to 98.5% AFUE

  • Fully insulated, 20-gauge steel cabinet and doors

  • Infinity® touch control

  • 10-year parts warranty

  • Lifetime heat exchanger

Performance™ Series Condensing Gas Furnaces

For innovative comfort, get a Carrier® Performance™ Series condensing gas furnace. This furnace includes Comfort Heat Technology®, which accurately predicts the need for heat based on previous cycles. This results in quiet, consistent comfort and extra-energy efficiency. The furnace also includes:

  • Variable-speed ECM-PWM, multi-speed ECM motors

  • Up to 96.7% AFUE

  • Fully insulated, 20-gauge steel cabinet and doors

  • Côr™ Wi-Fi® thermostat

  • 10-year parts warranty

  • Lifetime heat exchanger

CPerformance™ Series Condensing Gas Furnaces
View of Comfort™ Series condensing gas furnace

For consistent comfort and high-efficiency, you’ll want a Carrier® Comfort™ Series condensing gas furnace. This system automatically switches between the gas and electric heating options to optimize its efficiency and prevent unpredictable utility costs. It also includes:

  • PSC motor

  • Up to 95.5% AFUE

  • Carrier® Wi-Fi® thermostat

  • 10-year parts warranty

  • Lifetime heat exchanger (59SC5)

  • 20-year heat exchanger (59SC2)

Payne®’s Range of Gas Furnace

When you purchase Payne® products, you will soon find out why they are right for you. Our furnaces aren’t just affordable — they’re built to perform.

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Our 96% energy-efficient furnace (PG96V) features a variable-speed motor. This technology saves you money year-round on electric bills while being extremely quiet. Saving money never sounded so good.


Extra efficiency:

  • Our high-efficiency furnaces have 2 heat exchangers to extend the transfer of heat, getting the most out of the fuel. Our secondary heat exchanger is specially designed for lasting corrosion resistance and durability and is backed by a 20-year parts-limited warranty.



  • The hot surface igniter ensures you can count on reliable heating when needed.



  • We did get a little fancy with our advanced electronic control for reliable activation and continuous system monitoring.


Quiet & draft-free:

  • We seal our combustion system to virtually eliminate drafts and deliver quiet operation.


Motor options:

  • The broader the spectrum of speeds a motor can accommodate, the more efficiently and quietly the furnace heats and circulates the air. We offer furnaces with standard, multi-speed and variable-speed motors.

Signs You Need Furnace Repair

When your furnace is damaged, neglecting the problem will worsen it, causing you to spend money on expensive repairs later. Not only that, but a poorly functioning furnace will affect your comfort during the winter months. We recommend paying attention to the following signs that can suggest a need for furnace repair in St. Catharines:

  • Increased energy costs
    If your energy bills have risen this winter for no apparent reason, your poorly functioning furnace might be to blame.

  • Uneven heating
    Under normal circumstances, your furnace should heat your home evenly, leaving no hot or cold spots. The failure to do so means that your unit might require repairs.

  • Unusual sounds
    A constant whirring sound is typical in a furnace, but unusual banging, rattling, groaning and humming mean trouble. If the noises continue, you should schedule repairs.

  • Abnormal smells
    Abnormal smells can indicate poor combustion, aldehydes, or a gas leak. Whatever the reason, unusual smells from your furnace are a cause for alarm and urgent action.

  • Carbon monoxide alarm
    You shouldn't ignore a carbon monoxide alarm under any circumstances. Please evacuate your property as soon as your alarm goes off and call for urgent repair services.

If you notice anything amiss with your unit, please call us for furnace repair in St. Catharines. We offer various commercial and residential services.

Furnace Repair

Signs You Need Furnace Replacement 

When your furnace breaks down, we try our hardest to repair it and get it back in working condition. However, in some scenarios, a furnace replacement might be necessary or more financially prudent. The following are some signs that it might be time for your current furnace to retire:

  • Age: Furnaces typically last between 15-20 years. If your furnace is older than 15 years and is causing problems regularly, you should consider replacing it with a newer model. 

  • Repairs: It is not uncommon to have to get your furnace repaired every once in a while. However, if your furnace breaks down frequently, it might be more cost-effective to buy a new one. 

  • Inadequate heating: The job of your furnace is to heat your home or commercial space. If your furnace provides uneven heating or fails to meet your needs, you should replace it with one that does. 

  • Rising energy bills: An inefficient furnace will use more energy than necessary to heat your home. This will cause a rise in your energy bill. If a repair doesn't address this issue, you should invest in a newer, more energy-efficient furnace. 

  • Visible rust or cracks on the body: Does the body of your furnace have cracks and rust around it? It is possible that your furnace has reached the end of its lifespan and should be replaced with a new one. 

If you're unsure of whether you require a furnace replacement in St. Catharines and the surrounding areas, please schedule an inspection with us. We run seasonal specials for our clients.

Benefits of Regular Furnace Maintenance

Ensuring your furnace gets regular seasonal maintenance helps to keep it running efficiently all year. Other benefits of regular maintenance include:

  • Reduced utility bills: Your furnace will run more efficiently during the winter months if serviced regularly. When our team visits your home, they will tighten electrical connections, lubricate moving parts, and measure correct airflow. Keeping all parts of the furnace running at full capacity increases efficiency, which helps to lower utility bills.

  • Helps to prolong equipment life: Due to the extensive inspection and testing during seasonal maintenance, the technician can make minor adjustments that keep the furnace running better for longer. Lubrication of moving parts and inspection and cleaning of drains keep the furnace's parts from degrading from normal wear and tear, allowing it to run better for years to come.

  • Will require fewer repairs: The last thing you want to happen on a cold winter day is for your furnace to break down, especially since heating companies are limited in their capacity for new customers. Seasonal inspections allow the technician to thoroughly inspect your furnace and identify minor issues before they turn into costly repairs. Seasonal cleaning, lubrication, and furnace inspection will keep it running at peak efficiency, resulting in fewer breakdowns or problems during operation.

  • Enhanced security: Safety is always a top priority when it comes to your family and home. As a result, every furnace maintenance should include a review of potential problem areas.

Having your furnace serviced by a credible company like J & S Heating & Air Conditioning has its own advantages. Our team will keep your home comfortable during the colder months and save you time later because you will be less likely to require extra service, maintenance, or repairs in the middle of winter. Call us to book an appointment.

Why Choose Us?

If you're in need of furnace repair in St. Catharines and the Niagara Region, choosing J & S Heating & Air Conditioning will ensure that the job is done in a professional and timely manner. Our team of experts is highly trained in furnace installation, repair, and routine maintenance. We understand how important it is to have a functioning furnace, especially during the colder months, and we make it our mission to exceed your needs and expectations on every job. Whether it's a minor repair or a complete replacement, you can trust us to provide high-quality work and exceptional customer service. Don't let a broken furnace disrupt your comfort - choose us for reliable and efficient furnace repair services.

Contact Us Today for Furnace Repair in St. Catharines

At our company, we're always welcoming new clients. We can serve you with dependable furnace solutions, regardless of whether you're a homeowner or a commercial property manager. 


For professional furnace repairs in St. Catharines, contact us today. Find the perfect furnace for your home through J & S Heating & Air Conditioning in St. Catharines. Call us at 905-682-9287 for more information about our furnaces and water heaters.

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 If your furnace has broken down, you can rely on us for furnace repair in St. Catharines.

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