Top 5 HVAC Companies
in Newmarket
We compared 5 HVAC Companies serving Newmarket, Ontario using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Air conditioning repair and replacement, Heating repair and replacement, and Heat pump repair and replacement.
↘ Newmarket’s featured hvac companies have a FiveBest Score below the Ontario benchmark.
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Detailed FiveBest Research is not yet available for this business.
Everest Climate Solutions Inc. operates from Twinney Drive in Newmarket and documents HVAC repair and replacement for air conditioners, furnaces, boilers and heat pumps. Its offering also includes residential repairs and commercial work on rooftop units and split systems, with 24/7 emergency service stated on its website.
Air conditioning repair and replacement · Heating repair and replacement · Heat pump repair and replacement
Infiniti Air Conditioning & Heating operates from Journey's End Circle in Newmarket and documents residential and commercial HVAC work, including equipment replacement, repair and annual maintenance. Its heating and cooling lineup includes gas furnaces, air conditioners, ductless systems and heat pumps, with 24/7 emergency support stated on its website.
HVAC equipment installation and replacement · Heating and cooling system repair · Annual HVAC maintenance
Aire One North Heating & Cooling provides HVAC installation, repair and maintenance from its Eagle Street West location in Newmarket. Its documented work includes furnaces, air conditioners, heat pumps and indoor air quality systems, with 24/7 emergency HVAC repair available for unexpected heating or cooling failures.
Furnace repair and installation · Air conditioner repair, installation and maintenance · Heat pump service
Newmarket hvac companies score below the Ontario benchmark
Featured hvac companies in Newmarket have a median FiveBest Score™ of 81/100, compared with 86/100 for featured hvac companies across Ontario.
Among nearby FiveBest markets, hvac companies in Aurora (83/100) and hvac companies in Richmond Hill (85/100) and hvac companies in Vaughan (89/100) score higher.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched HVAC Companies in Newmarket
FiveBest reviews publicly available information for HVAC Companies serving Newmarket.
- Google rating and review history
- Documented services
- Years in business when available
- Newmarket 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 Newmarket
- Air conditioner repair and installation in Newmarket
- Heat pump installation and repair in Newmarket
- Boiler repair and replacement in Newmarket
- Ductless mini-split systems in Newmarket
- HVAC maintenance and tune-ups in Newmarket
How to Choose an HVAC company in Newmarket
Compare HVAC contractors in Newmarket 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 Newmarket 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 Newmarket 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.