Top 5 HVAC Companies
in Lethbridge
We compared 5 HVAC Companies serving Lethbridge, Alberta using publicly available business information, including customer reputation, local presence and documented services. Across the businesses featured here, documented specialties include Furnace and air-conditioning service, Heat pumps and mini-splits, and Boiler repair and installation.
↘ Lethbridge’s featured hvac companies have a FiveBest Score below the Alberta benchmark.
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The company’s documented HVAC work covers heating, cooling, boilers, heat pumps, mini-splits, thermostats, humidifiers, indoor-air-quality equipment, duct cleaning and duct sealing.
Furnace and air-conditioning service · Heat pumps and mini-splits · Boiler repair and installation

Furnace repair, new furnace installation, air conditioner installation and cold-weather heat pumps are documented HVAC offerings from KB Heating in Lethbridge. The company also provides spring maintenance covering filters, thermostats, coils, ductwork, drain lines and refrigerant levels for air conditioners or heat pumps.
Furnace repair · New furnace installation · Air conditioner installation

Advanced Furnace & Duct Cleaning provides HVAC-system cleaning in Lethbridge, including furnace and duct cleaning, air-conditioning coil cleaning, and duct camera inspections. Its furnace process includes cleaning supply and return vents, plus removing and cleaning the blower and its compartment as part of the service.
Furnace and duct cleaning · Air conditioning coil cleaning · Duct camera inspections

My Service Company provides Lethbridge HVAC work spanning furnace and air-conditioning repair, installation and replacement. Its heating-and-cooling offering also includes indoor-air-quality system installations and retrofits for humidifiers, air cleaners and thermostats. The company documents service for nearly any brand of furnace or air conditioner.
Furnace repair and tune-ups · Air conditioning repair · HVAC installation and replacement

Breathe Easy Heating and Air Conditioning provides HVAC work from its Lethbridge office, including high-efficiency furnace installation, furnace repair and maintenance, plus air conditioning installation, repair and tune-ups. Its documented offering also includes duct cleaning and indoor-air-quality services, with 24/7 emergency HVAC service available.
High-efficiency furnace installation · Furnace repair and maintenance · Air conditioning installation, repair and maintenance
Lethbridge hvac companies score below the Alberta benchmark
Featured hvac companies in Lethbridge have a median FiveBest Score™ of 82/100, compared with 86/100 for featured hvac companies across Alberta.
Comparison based on profiles currently featured by FiveBest in this category with an available FiveBest Score™.
How we researched HVAC Companies in Lethbridge
FiveBest reviews publicly available information for HVAC Companies serving Lethbridge.
- Google rating and review history
- Documented services
- Years in business when available
- Lethbridge 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 Lethbridge
- Air conditioner repair and installation in Lethbridge
- Heat pump installation and repair in Lethbridge
- Boiler repair and replacement in Lethbridge
- Ductless mini-split systems in Lethbridge
- HVAC maintenance and tune-ups in Lethbridge
How to Choose an HVAC company in Lethbridge
Compare HVAC contractors in Lethbridge 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 Lethbridge 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 Lethbridge 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.