Serving all of Clarington’s residential and commercial heating needs with professional TSSA-certified furnace services. David Cassar and his experienced team provide reliable furnace solutions throughout Durham Region with honest pricing and same-day service available.
Professional gas and propane furnace installation for Clarington’s diverse housing stock, from older homes in downtown Newcastle to new subdivisions in Courtice. We ensure proper sizing, venting, and code compliance for every installation.
Fast, reliable repair service for all furnace makes and models serving Clarington homes. From ignition problems to blower motor failures, we diagnose and fix issues quickly to restore your home’s comfort.
When your old furnace can’t keep up with Clarington’s cold winters, we provide complete replacement with high-efficiency models. Our team handles removal, installation, and cleanup, leaving you with reliable heat and improved efficiency.
Preventive maintenance keeps your furnace running efficiently through Durham Region’s harsh winters. Our comprehensive tune-ups include cleaning, inspection, filter replacement, and safety checks to prevent costly breakdowns.
Upgrade to a modern high-efficiency furnace and start saving on heating costs immediately. We help Clarington homeowners choose the right AFUE rating and system size for maximum comfort and energy savings.
Furnace breakdown on a cold night? We provide emergency repair service throughout Clarington and surrounding areas. Our TSSA-certified technicians respond quickly to restore heat to your home when you need it most.
Clarington homeowners count on Cassar Heating & Air Conditioning for honest, reliable furnace service that puts their comfort first. David Cassar’s TSSA certification and commitment to transparent pricing means you get the service you need without surprises.
Most gas furnaces in Ontario homes last 15-20 years with proper maintenance, though this can vary based on usage patterns and care. In Durham Region’s climate, furnaces work hard through long winters from November to March, which can shorten lifespan if maintenance is neglected.
Signs your furnace is nearing the end include frequent repairs, rising energy bills, and inconsistent heating. If your furnace is over 15 years old and requiring regular service calls, replacement often makes more financial sense than continued repairs.
New furnace installation in Clarington typically ranges from $3,500 for a basic efficiency model to $6,500+ for high-efficiency units with advanced features. The wide range reflects differences in efficiency ratings, brand quality, and installation complexity in different home types.
Repair costs usually range from $200-800 depending on the component needing replacement. Simple fixes like thermostat issues or filter problems cost less, while major component failures like heat exchangers or blower motors fall at the higher end. At Cassar, we work with a wide range of budgets and offer financing options to make quality heating accessible. The best way to know exactly what your job will cost is to get a free quote from David — no pressure, no obligation.
Clarington’s diverse housing stock presents unique heating challenges — from century homes in Newcastle’s heritage areas to modern subdivisions in Courtice and everything between. Older homes often have oversized furnaces from decades past that waste energy, while newer builds may have undersized units that struggle to heat efficiently.
Many Clarington homes built in the 1970s-90s have original furnaces reaching end-of-life, creating opportunities for significant efficiency improvements. The mix of urban density in Newcastle and Bowmanville versus rural properties means ductwork designs vary considerably, affecting installation approaches and costs.
Watch for these warning signs that indicate your furnace needs professional service: unusual noises like grinding, squealing, or banging; uneven heating where some rooms stay cold; yellow or flickering pilot light flames; frequent cycling on and off; and increasing energy bills despite similar usage patterns.
In Clarington’s variable climate, pay special attention to how your furnace handles the transition from mild fall days to bitter January cold snaps. A struggling furnace will show its weakness during peak demand periods, often leaving you without heat when you need it most.
Durham Region’s harsh winters demand furnaces in peak condition. Start preparation in early fall with annual maintenance including filter replacement, blower cleaning, and safety system checks. This timing ensures any issues are caught before the first cold spell.
Consider upgrading to a programmable or smart thermostat to manage heating costs during long Ontario winters. Even a few degrees difference in overnight settings can significantly reduce heating bills over a six-month heating season, while maintaining comfort when you’re home and awake.
High-efficiency furnaces (90%+ AFUE rating) make excellent sense in Ontario’s climate due to long heating seasons and rising natural gas costs. The energy savings from upgrading from an old 80% efficiency unit to a modern 95% model typically pay for the difference in cost within 5-7 years.
Ontario’s cold climate also makes sealed combustion (direct vent) systems particularly valuable, as they don’t pull heated indoor air for combustion. This design reduces heating costs and improves indoor air quality, making it especially worthwhile for tighter, more insulated homes common in newer Clarington developments.
Before calling for service, these simple checks resolve many common furnace issues and might save you a service call.
Make sure it’s set to Heat, the temperature is above room temperature, and the batteries are fresh. This resolves more calls than you’d expect.
Your furnace has a dedicated circuit breaker in your electrical panel and usually a wall switch nearby. Check both are on.
A clogged filter restricts airflow and can trigger a safety shutoff. If you can’t see light through it, replace it before calling.
High-efficiency furnaces have plastic pipes exiting near the foundation. Snow or ice blocking these causes an automatic shutoff — clear them and restart.
Many furnaces have a safety switch that cuts power if the access panel isn’t fully closed. Make sure it’s secured properly.
If none of the above restore your furnace, it’s time for a licensed technician. David and his crew serve all of Durham Region and respond fast.
“David replaced our old furnace in our Courtice home and did an excellent job. Upfront pricing, clean work, and great advice on the right size for our house. The new unit heats so much more evenly than our old one.”
“Called Cassar when our furnace quit on a Sunday night in January. David came out the same evening and had us back up and running in a couple hours. Professional service and fair pricing for emergency work.”
“Highly recommend Cassar for furnace service in the Newcastle area. David is honest about what needs to be done and what can wait. No pressure sales, just straight talk about keeping our furnace running efficiently.”
Professional furnace installation, repair and maintenance throughout Durham Region.
Same-day service available. TSSA certified. Honest pricing. Call or book online.
