HVAC Services in Oshawa
Comfort You Can Count On
Know someone who needs a new furnace or AC? Refer them to Fortis Heating & Air Conditioning and receive a $100 reward when their installation is complete.
HVAC Services in Oshawa, Ontario
As Oshawa’s locally owned HVAC company, Fortis Heating & Air Conditioning has been keeping Durham Region’s largest city comfortable through every season. From the established homes in Taunton to newer builds in Windfields, we understand the unique heating and cooling challenges Oshawa homeowners face — including harsh Lake Ontario winters and humid summers.
Home heating is at the core of what we do, and our technicians help keep your system running when you need it most. From routine maintenance to emergency repairs and full system replacements, we offer dependable solutions tailored to your home and budget. Fortis Heating & Air Conditioning provides high-efficiency gas heating systems designed to deliver consistent warmth while improving energy efficiency and helping reduce monthly utility costs.
Our commitment is to long-term comfort, quality workmanship, and customer satisfaction. Proudly serving homeowners across Oshawa, Cobourg, and the surrounding Durham Region, we strive to build lasting relationships through honest service, expert advice, and reliable heating solutions you can trust all winter long.
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A Fortis Technician will contact you within 24-48 hours!
Craig has always provided friendly, professional service and takes the time to explain the issue and answer any questions.
Throughout the service, Craig was meticulous and obviously took pride in his work. Craig went above and beyond and was respectful of our home making sure everything was clean and tidy before he left.
I highly recommend Fortis HVAC and will call them again should we have any further issues.
“I had an excellent experience with Fortis Heating and Air conditioner ! They were nothing but wonderful — punctual, professional, and incredibly easy to work with. Their communication was top-notch, keeping me informed every step of the way. It’s rare to find a company that delivers such smooth and stress-free service. Highly recommend for anyone needing HVAC work!”
Current HVAC Installation Offers*
Ask about current HVAC installation promotions, including thermostat and warranty offers for qualifying packages.
Trained & Dedicated HVAC technicians
Our trained and dedicated HVAC technicians on staff will deliver a professional and knowledgeable consultation in a timely manner. If you need a new furnace installed, our installations come with custom made-to-measure sheet metal work designed specifically for your home and environment. Experienced with Amana equipment, Fortis holds its installation work to a high standard, ensuring every installation operates at its best, both in producing the right heat and minimizing your energy bill. If you’re in need of furnace repair or maintenance in the Oshawa and Cobourg area, our heating system experts can perform a routine inspection on an annual basis to help ensure efficient operation throughout the winter season. We want to help you avoid any potential breakdowns during the time when you need your heating the most.
Both owners of Fortis bring hands-on residential HVAC experience to local homeowners. We also specialize in heat pump installation for energy-efficient heating and cooling.
Why Choose Us for Your Oshawa Furnace Installation?
We are a locally trusted HVAC company serving homeowners in Oshawa and Durham Region. With years of experience and a commitment to top-tier service, we make furnace installation simple, affordable, and stress-free.
- Professional HVAC Technicians
- Emergency Support Available
- Energy-Efficient Furnace Options
- Financing Options Available
- Competitive Pricing & Free Estimates
Financing Options Available
Ask about available financing options for furnace and air conditioning projects. Financing is subject to provider approval and current terms.
Our Furnace Installation Process
Free In-Home Assessment
Our experts assess your home’s size, insulation, and layout to recommend the ideal furnace system.
Upfront Quote
We provide clear, detailed pricing with no hidden fees or unexpected costs.
Professional Installation
Fortis technicians install your furnace safely, efficiently, and up to code.
Warranty
Ask about current parts and labour warranty options for qualifying HVAC installation packages.
Please call us today at 289-688-4822 to know more about our home heating services in Oshawa.
Fortis Heating & Air Conditioning is committed to more than just heating furnaces, but climate control of all types such as humidifiers, air purifiers, etc. Let our technicians perform a diagnostic to make your house feel more like your home.
Reliable Home Heating Services You Can Trust
As the largest city in Durham Region, Oshawa has a diverse housing stock — from century homes in the downtown core to modern subdivisions near the 407 corridor. Fortis Heating & Air Conditioning understands the unique HVAC challenges Oshawa homeowners face, whether it’s retrofitting ductwork in an older home or installing a high-efficiency furnace in a new build. We’re proud to call Oshawa our home base.
With deep roots in the Oshawa community, our team delivers fast, dependable heating and cooling service to every neighbourhood — from Taunton to Simcoe Street and everywhere in between. When you choose Fortis, you’re choosing a local company that genuinely cares about keeping Oshawa families comfortable.
Frequently Asked Questions
Fortis Heating & Air Conditioning provides Oshawa homeowners with a full range of HVAC services, including furnace installation, repair, and maintenance, air conditioning service, gas fireplace installation, custom ductwork, and hot water tank solutions. As our home base in Durham Region, Oshawa residents receive fast, priority service.
We recommend having your furnace or heating system professionally inspected and serviced at least once a year, ideally before the start of winter, to help prevent breakdowns and keep your system running efficiently all season long.
If your furnace is over 15 years old, producing uneven heat, causing rising energy bills, or requiring frequent repairs, it may be time for a replacement. Many older Oshawa homes have outdated systems that struggle with efficiency. Our technicians can assess your furnace and recommend whether a repair or full replacement makes the most sense for your home and budget.
Yes — Fortis Heating & Air Conditioning offers financing options and seasonal promotions on new furnace and HVAC installations, including options like no payments or interest for qualifying periods.
Absolutely. If your heating system fails during an Oshawa winter, check your thermostat settings and breaker first. If those aren’t the issue, call Fortis Heating & Air Conditioning right away. As an Oshawa-based company, our trained technicians can respond quickly to diagnose and fix heating emergencies, getting your home warm again as fast as possible.
HVAC Services in Oshawa for Local Homes
Fortis Heating & Air Conditioning serves Oshawa homeowners in Vanier, O'Neill, Taunton, Donevan, and homes near Lakeview Park. older central Oshawa homes often need duct balancing, furnace repair, and AC upgrades before peak seasons. Our technicians handle heating, cooling, gas, water heater, and maintenance calls with recommendations based on the age of the home, existing ductwork, comfort complaints, and seasonal timing.
Common Oshawa Service Calls
- Furnace repair for no-heat calls, ignition issues, short cycling, and weak airflow.
- Air conditioning repair and installation before humid Durham Region weather stresses older systems.
- Heat pump installation and repair for homeowners comparing efficient year-round comfort options.
- Hot water tank and tankless water heater service when hot water becomes unreliable.
- Gas line installation, gas fireplaces, custom ductwork, and HVAC maintenance for complete home comfort support.
Book HVAC Service in Oshawa
For HVAC help in Oshawa, call (289) 688-4822. Tell us what equipment is acting up, when the issue started, and whether you need repair, replacement, maintenance, or an estimate. Fortis schedules service across Durham Region and nearby communities from Oshawa through Cobourg.