Top 5 HVAC Companies
in Longueuil
We compared 5 HVAC Companies serving Longueuil, Quebec using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Air conditioning, Heating, and Heat pumps.
↗ Longueuil’s featured hvac companies have a FiveBest Score above the Quebec benchmark.
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Excel Climatisation Inc. fits the HVAC category through documented air-conditioning, heating, ventilation, heat-pump, furnace, air-exchanger, geothermal, repair and maintenance services from its Longueuil office. ([excelclimatisation.com](https://excelclimatisation.com/en))
Air conditioning · Heating · Heat pumps
Heat pumps and furnaces are central to Global Services Résidentiels’ residential HVAC work, alongside heating and air-conditioning system installation or replacement and equipment maintenance and repair. Its Boucherville branch notes that services can be available beyond branch territories, supporting Longueuil-area comfort and energy-efficiency projects.
Heat pumps and furnaces · Heating and air-conditioning system installation and replacement · Heating and air-conditioning equipment maintenance and repair
Klimfax operates from its Longueuil office and provides heating, air-conditioning and ventilation work across the local South Shore. Its HVAC offering includes heat-pump and air-conditioner installation or replacement, system maintenance and repair, plus air-duct cleaning. A 24/7 emergency service is documented.
Heat pump installation and replacement · Air-conditioner installation and replacement · Heating system services
S. Air Fortier operates from Saint-Hubert and lists Longueuil among its South Shore service cities. Its HVAC work includes installation, replacement, repair and preventive maintenance for wall-mounted and central heat pumps, air conditioners and furnaces, with 24/7 emergency service also documented.
Wall-mounted and central heat pump installation and replacement · Air conditioner installation · Electric and gas furnace installation
Climatisation et Chauffage St-Hubert lists Longueuil among its service areas and provides HVAC sales, installation and repair from its Saint-Hubert location. Its documented offering includes wall-mounted and central heat pumps, air conditioners, ventilation systems and furnaces, with free in-home or commercial-site heat-pump evaluations available locally.
Air conditioning · Wall-mounted heat pumps · Central heat pumps
Longueuil hvac companies score above the Quebec benchmark
Featured hvac companies in Longueuil have a median FiveBest Score™ of 82/100, compared with 79/100 for featured hvac companies across Quebec.
Among nearby FiveBest markets, hvac companies in Montreal (87/100) and hvac companies in Laval (84/100) score higher, while Brossard (79/100) scores below Longueuil.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched HVAC Companies in Longueuil
FiveBest reviews publicly available information for HVAC Companies serving Longueuil.
- Google rating and review history
- Documented services
- Years in business when available
- Longueuil 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 Longueuil
- Air conditioner repair and installation in Longueuil
- Heat pump installation and repair in Longueuil
- Boiler repair and replacement in Longueuil
- Ductless mini-split systems in Longueuil
- HVAC maintenance and tune-ups in Longueuil
How to Choose an HVAC company in Longueuil
Compare HVAC contractors in Longueuil 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 Longueuil 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 Longueuil 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.