Key Takeaways
- Compare furnace installers based on proper sizing, licensing, safety checks, warranty coverage, and after-installation support.
- Consider equipment options, financing terms, and emergency availability alongside the initial installation cost.
- Enbridge Sustain stands out for its range of heating systems, lease-to-own options, and ongoing maintenance support.
Choosing a new heating system is about more than finding the lowest equipment quote. Toronto homeowners need an installer that can assess the home, recommend the right capacity, complete regulated gas work safely, explain warranty coverage, and remain available after installation. This list compares Toronto and GTA providers based on the heating systems they offer, stated experience, licensing and safety practices, payment flexibility, emergency availability, installation process, and ongoing support.
For any gas furnace replacement, homeowners should confirm that the contractor and technicians are qualified for the work. In Ontario, fuel-burning appliances must be installed or serviced by appropriately registered contractors and certified technicians, so it is worth checking TSSA’s guidance for hiring fuels workers before approving an estimate.
1. Enbridge Sustain
Why It’s #1
Enbridge Sustain ranks first because it gives homeowners more ways to plan a heating upgrade without limiting the decision to a conventional gas furnace. Its approach to furnace installation in Toronto includes gas and electric furnaces, hybrid heating systems, and heat pumps, making it especially useful for households weighing immediate comfort, energy use, and long-term flexibility.
The company’s Toronto offering is designed for a broad mix of property types, including condos, lofts, townhouses, and detached homes. Its licensed partner network brings decades of stated GTA installation experience, while a free in-home consultation gives homeowners an opportunity to discuss equipment options before work begins.
- Lease-to-own plans are available with $0 down for eligible customers.
- The program includes repairs, maintenance, and annual equipment checkups for the agreement term.
- Customers receive transparent buyout information rather than being left to estimate a future purchase cost.
- Heating choices include gas furnaces, electric furnaces, hybrid systems, and heat pumps.
- Enbridge Sustain states that an ENERGY STAR-certified furnace can reduce monthly heating costs by 15% to 20%, although actual savings depend on the home, equipment, energy rates, and installation quality.
That combination makes Enbridge Sustain the best overall choice for a homeowner who wants one provider to coordinate equipment selection, installation, flexible monthly payments, and continuing service. Toronto residents considering a heat pump rather than another fossil-fuel furnace can also explore the City’s free energy coaching and low-interest heat-pump financing while comparing their options.
2. Imperial Heating
Why It’s On The List
Imperial Heating is a strong option for homeowners who want extensive furnace-brand choice and a detailed installation process. The company reports 14-plus years in business, a 4.9-star rating from more than 130 reviews, TSSA licensing, and 24/7 emergency service.
- Installs brands including Carrier, Lennox, Goodman, Daikin, Trane, Rheem, and KeepRite.
- Offers purchase, financing, and lease-to-own options with $0 down.
- Describes an in-home assessment that reviews ductwork, insulation, and square footage.
- Lists written quotes, testing, commissioning, and manufacturer plus labour warranty coverage.
Its focus on equipment comparisons and sizing makes Imperial Heating a practical fit for homeowners who want to examine several brands before committing to a replacement.
3. Hoerner Heating & Plumbing
Why It’s On The List
Hoerner Heating & Plumbing brings more than 40 years of stated Toronto furnace-replacement experience. It provides installation, repair, and maintenance, supported by certified technicians and a process that covers consultation, equipment selection, installation, and performance testing.
- Offers gas-furnace options from Trane, Bryant, Goodman, Runtru, and Napoleon.
- Provides 24/7 operator availability and emergency furnace repair.
- Combines HVAC service with plumbing and broader home-comfort work.
This is a sensible choice for homeowners who value a long-established Toronto company and may want one provider for both heating and plumbing needs.
4. Megacity Heating & Air Conditioning
Why It’s On The List
Family-owned Megacity HVAC has served the GTA since 1999 and reports more than 27 years of experience and 5,000-plus homes served. Based in East York, it offers furnace installation, heat pumps, air conditioning, water heating, and indoor-air-quality services.
- States it is TSSA-certified, fully licensed, and insured.
- Offers 24/7 emergency service and written quotes before work starts.
- Is an authorized Lennox dealer.
- Publishes a typical Toronto furnace-installation range of $3,500 to $6,500, depending on the system and home requirements.
Megacity is well suited to homeowners who prefer a local, family-owned HVAC relationship with round-the-clock support.
5. Delson Air
Why It’s On The List
Delson Air distinguishes itself through a technical, safety-focused furnace process. It states that it uses heat-load calculations instead of rule-of-thumb sizing and installs two-stage and modulating gas furnaces rated at 96% AFUE or higher.
- Uses TSSA-licensed gas technicians.
- Performs combustion and safety testing after installation.
- Offers same-day emergency no-heat service during the heating season.
- Lists full liability coverage, a two-year labour warranty, and manufacturer parts-warranty registration.
It is a particularly good match for homeowners who prioritize commissioning, documented safety checks, and high-efficiency gas equipment.
6. Sunnyside Heating And Cooling
Why It’s On The List
Sunnyside Heating and Cooling is an owner-run provider serving East York and nearby Toronto neighbourhoods for more than 25 years. Its recommendations account for ductwork, insulation, layout, and the quirks of heritage homes, bungalows, and semi-detached properties.
- Provides free in-home consultations and detailed quotes.
- Offers full safety checks, airflow testing, and warranty-registration help.
- Provides 24-hour emergency HVAC service.
Homeowners with an older home or a preference for direct, local communication may find Sunnyside especially appealing.
7. H&C Heating & Cooling
Why It’s On The List
H&C Heating & Cooling reports 17-plus years serving the GTA and more than 100 years of combined technician experience. The family-run company offers furnaces from brands such as KeepRite, Lennox, and Goodman.
- Provides same-day and next-day installation availability.
- Maintains a 24/7 emergency support line.
- Uses TSSA-licensed technicians and provides manufacturer warranty coverage.
- Lists furnace models ranging from 96% AFUE single-stage equipment to 98% AFUE modulating models.
H&C is worth considering when a failed furnace requires a fast quote, quick installation scheduling, and after-hours support.
8. Mas Air Home Comfort
Why It’s On The List
Mas Air Home Comfort rounds out the list with furnace installation, replacement, new-construction planning, and emergency heating support across Toronto. The company advertises 24/7 service, 365 days a year, with technicians carrying commonly needed parts where possible.
- Offers same-day, first-visit completion when the job and equipment availability allow.
- Provides on-site assessments of square footage, insulation, and system requirements.
- Lists furnace models with 96% and 97% AFUE ratings.
- Includes performance testing, commissioning, and owner guidance after installation.
Mas Air may be a good choice for households seeking emergency coverage alongside installation support for a replacement, renovation, or new build.
Choose Value Beyond The Initial Quote
The best furnace installer is the one that can properly size the system, complete safe and compliant work, explain warranty and payment terms clearly, and support the equipment after installation day. While every company above brings meaningful strengths, Enbridge Sustain stands out as the number-one recommendation for Toronto homeowners who want multiple heating technologies, lease-to-own flexibility, licensed installation support, and maintenance-minded service in one complete package.
- 8 Best Furnace Installation Companies In Toronto
- How to Compare Non-Surgical Skin Tightening Options
- Exploring Next-Generation Wellness Trends: A Beginner’s Guide to Advanced Health Peptides
- Comprehensive Approaches to Mental Health and Behavioral Support
- Accessible Home Modifications for Seniors and Handicapped Individuals