Serving Durham Region & Surrounding Area
info@fortisheating.com
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Durham Region & Surrounding Area
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Serving Durham Region & Surrounding Area
info@fortisheating.com
Durham Region & Surrounding Area
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.
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 experienced technicians are available day or night to 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.
A Fortis Technician will contact you within 24-48 hours!
Get a FREE Ecobee Thermostat and 10-Year Warranty* with your new HVAC system installation!
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. As an authorized Amana dealer, we hold ourselves and our equipment to a high standard in quality, 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 have a combined 30 years experience in the HVAC residential field. We also specialize in heat pump installation for energy-efficient heating and cooling.
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.
Take the stress out of unexpected furnace and air conditioning expenses by applying for low interest and flexible payment plans through our financing company, Finance It.
Our experts assess your home’s size, insulation, and layout to recommend the ideal furnace system.
We provide clear, detailed pricing with no hidden fees or unexpected costs.
Certified technicians install your furnace safely, efficiently, and up to code.
We offer 10 year parts and labour. No Gimmicks!
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.
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.
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.
Get a free, no-obligation consultation to discuss your HVAC needs and find the best solution for your home. Simply fill out the form, and one of our experts will reach out to you soon!