Top 5 HVAC Companies
in Grand Sudbury
We compared 5 HVAC Companies serving Grand Sudbury, Ontario using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Furnace installation and repair, Air conditioner installation and repair, and Heat pump systems.
≈ Grand Sudbury’s featured hvac companies have a FiveBest Score in line with the Ontario benchmark.
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This Greater Sudbury location documents residential HVAC installation, maintenance and repair for furnaces, air conditioners and heat pumps. It also offers related water-heating and plumbing services for households. ([reliancehomecomfort.com](https://reliancehomecomfort.com/sudbury/))
Furnace installation and repair · Air conditioner installation and repair · Heat pump systems
669-Heat provides HVAC work from its Kelly Lake Road location in Greater Sudbury, including furnace, air-conditioner, heat-pump and boiler installation, repair and maintenance. Its official Sudbury HVAC information also documents 24/7 emergency service, with same-day response often available for urgent heating or cooling system problems.
24/7 emergency HVAC service · Furnace installation and repair · Air conditioning installation and repair
Campeau Heating, based on Lasalle Boulevard in Greater Sudbury, supplies heating and cooling equipment alongside repairs and annual maintenance for furnaces, air conditioners and boilers. Its HVAC offering also includes central cold-climate heat pumps and documented 24/7 emergency repair service.
Heating and cooling equipment installation · Furnace, air conditioner and boiler repairs · Annual preventative HVAC maintenance
Borts HVAC provides heating, cooling and indoor-air-quality work from its Lorne Street location in Greater Sudbury. Its documented HVAC offerings include furnace and air-conditioner installation, repair and maintenance, heat pumps, mini-splits and ductwork. The company also lists same-day emergency HVAC service for urgent system issues.
Furnace installation and repair · Air conditioning installation and maintenance · Heat pump installation, repair and maintenance
For heating and HVAC work in Greater Sudbury, Greater Sudbury Plumbing and Heating documents installation and servicing of boilers, furnaces, HRVs and fireplaces. The company also describes heating work for new builds, retrofits and renovations, including residential systems using either a boiler or furnace.
Boiler installation and service · Furnace installation and service · HRV installation and service
Grand Sudbury hvac companies lead nearby FiveBest markets
Featured hvac companies in Grand Sudbury have a median FiveBest Score™ of 88/100, compared with 86/100 for featured hvac companies across Ontario.
Among nearby FiveBest markets, North Bay (74/100) scores below Grand Sudbury.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched HVAC Companies in Grand Sudbury
FiveBest reviews publicly available information for HVAC Companies serving Grand Sudbury.
- Google rating and review history
- Documented services
- Years in business when available
- Grand Sudbury and surrounding service coverage
- Business website and online presence
- Independent reputation signals when available
Research last updated: September 2026
Typical HVAC Service Price Ranges
Price ranges are based on typical industry averages. Actual costs may vary according to equipment type, system capacity, installation complexity, property characteristics, labour, permits and local market conditions.
- Service call $120–$250
- Furnace repair $250–$1,200
- AC repair $250–$1,500
- Heat pump install $4,000–$9,500+
- Furnace replacement $4,000–$8,500+
Common Services
- Furnace repair and installation in Grand Sudbury
- Air conditioner repair and installation in Grand Sudbury
- Heat pump installation and repair in Grand Sudbury
- Boiler repair and replacement in Grand Sudbury
- Ductless mini-split systems in Grand Sudbury
- HVAC maintenance and tune-ups in Grand Sudbury
How to Choose an HVAC company in Grand Sudbury
Compare HVAC contractors in Grand Sudbury for furnace and boiler repair, air conditioner installation, heat pump service, ductless mini-split systems, ventilation, thermostats, indoor air quality, seasonal maintenance and emergency heating or cooling. FiveBest helps homeowners and businesses compare selected local HVAC companies in one place.
Compare selected HVAC companies in Grand Sudbury for furnace repair, air conditioning, heat pumps, boilers, ductless systems, maintenance and emergency heating or cooling service.
For repairs, ask what testing supports the diagnosis before replacing major components or equipment.
For replacement, ask how heating and cooling capacity is determined rather than automatically matching the old unit.
Confirm equipment, labour, controls, electrical work, drains, line sets, disposal and commissioning.
Confirm the contractor and technicians meet applicable requirements for HVAC, gas, refrigerant or electrical work.
Ask about permits, inspections and documentation needed for any available efficiency rebates or incentives.
Compare parts, compressor or heat-exchanger, labour warranties and maintenance requirements.
What Affects HVAC Costs
- Type of system
- Heating and cooling capacity
- Efficiency rating
- Ductwork condition
- Electrical or gas upgrades
- Refrigerant and line-set requirements
- Controls and thermostat
- Installation complexity
- Permits and commissioning
- Warranty and maintenance plan
Questions to Ask an HVAC Contractor
- How did you determine the required system capacity?
- What exact equipment model and efficiency rating are included?
- Does my ductwork need changes?
- Are electrical, gas or drainage changes included?
- What permits or inspections apply?
- Is commissioning and system testing included?
- What manufacturer and labour warranties apply?
- What maintenance is required to keep warranty coverage?
Frequently Asked Questions
HVAC costs in Grand Sudbury depend on the equipment, system capacity, diagnosis, required parts, labour, accessibility and whether the work is an emergency repair or a complete installation. Request a written estimate that identifies equipment and warranty details.
Repair may make sense for a newer system with a limited problem. Replacement may be more practical when equipment is old, inefficient, unreliable, expensive to repair or unable to heat or cool the property properly.
Heat pumps can provide efficient heating and cooling, but the appropriate model and backup-heating strategy depend on the local climate, home insulation, electrical capacity and existing HVAC system.
Many contractors recommend seasonal inspection and maintenance, typically before the main heating or cooling season. Follow the manufacturer’s requirements to protect performance and warranty coverage.
Many companies provide emergency service for loss of heat, system failure, unusual smells, electrical issues or other urgent heating and cooling problems. Confirm hours, response area and after-hours fees.
Compare applicable licences, insurance, equipment brands, system-sizing methods, written estimates, efficiency ratings, labour and manufacturer warranties, maintenance plans, financing and recent local reviews.