Calgary summers may be short, but they can be intensely hot and dry, making a reliable air conditioner essential for staying comfortable. At Comfort Union, we help Calgary homeowners beat the heat with systems that are built for our local climate.
But not all air conditioner brands are created equal, especially in Calgary’s unique climate. The right brand can mean the difference between years of worry-free cooling and constant repairs. Factors like energy efficiency, durability during rapid weather changes, and strong manufacturer warranties are crucial when choosing the best system for your home.
As Calgary HVAC experts, we’ve installed hundreds of air conditioning units across all major brands. Here’s what we recommend for Calgary homeowners in 2025, based on real-world performance, client satisfaction, and long-term value.
Top 5 AC Brands in Calgary (2025 Expert Picks)
After years of installing and servicing air conditioning systems across Calgary homes, we’ve developed a strong understanding of which brands hold up best in our unique climate. Below are our top recommendations based on performance, efficiency, reliability, and customer satisfaction.
1. Lennox
Lennox is one of the top-tier brands when it comes to energy efficiency and ultra-quiet operation, key for Calgary homes with open layouts or bedrooms near AC units. Their Elite® and Signature® Series models are equipped with SEER2 ratings up to 24 (and previously SEER 26 under older standards), making them ideal for homeowners looking to reduce energy consumption during Calgary’s hot, dry summers.
Pros:
- Industry-leading efficiency (SEER2 up to 28)
- Incredibly quiet (some models as low as 59–63 dB)
- Compatible with iComfort® S30 smart thermostat
- Excellent for reducing carbon footprint and utility bills
Best For
Newer Calgary homes, smart-home users, energy-conscious homeowners, and anyone planning for long-term savings
Recommended Models
Up to 28 SEER3
ENERGY STAR® Most Efficient 2024, variable-capacity inverter
Up to 18 SEER2
great performance with lower noise (as low as 59 dB)
2. Trane
Trane systems are built to last and that matters in Calgary, where weather can swing from 30°C heat to hailstorms in a week. Trane’s air conditioners are engineered for tough outdoor conditions, with durable spine-fin coils and weather-resistant cabinets. Their XV and XR series deliver solid efficiency and quiet performance backed by one of the strongest reputations in the industry.
Pros:
- Built for durability ideal for Alberta’s unpredictable summer weather
- Variable-speed options for better humidity control
- Quiet operation with some models starting at just 55 dB
- Strong 10-year registered parts warranty
Best For
Detached homes, high-usage households, and those wanting long-term reliability with less maintenance
Recommended Models
Up to 22 SEER2
TruComfort™ variable speed, ultra-quiet at 55–75 dB
3. Carrier
Carrier offers a well-rounded mix of efficiency, performance, and affordability making it a popular choice for Calgary homeowners seeking dependable comfort. Their Infinity® series includes smart features and excellent SEER2 ratings, while the Comfort™ series provides solid performance at a lower cost.
Pros:
- Balanced performance and price
- ENERGY STAR® certified options across all tiers
- Compatible with smart thermostats and home zoning
- Quiet operation (Infinity® series models as low as 51 dB)
Best For
Mid-sized homes, families upgrading from older AC systems, and buyers seeking solid performance without the premium price tag
Recommended Models
Up to 24 SEER2
Greenspeed® intelligence, ultra-quiet (~51 dB)
Up to 16.5 SEER2
budget-friendly and reliable
4. Goodman
Goodman offers affordable, no-frills performance backed by a solid reputation for value and reliability. For Calgary homeowners managing rental units, basement suites, or operating on a tighter budget, Goodman systems offer a practical cooling solution without compromising too much on quality. Their systems are easy to service and parts are widely available across Alberta.
Pros:
- Competitive pricing for tight budgets
- Easy maintenance and quick part availability in Calgary
- 10-year limited parts warranty (with registration)
- Reliable performance for light-to-moderate cooling needs
Best For
Secondary suites, income/rental properties, budget-conscious homeowners, or older homes needing a simple replacement system
Recommended Models
Up to 18 SEER2
two-stage compressor, ComfortBridge™ technology
Up to 15.2 SEER2
single-stage, budget-friendly with aluminum coils
5. Daikin
Daikin is a world leader in inverter and ductless technologies, making them a top pick for space-constrained or non-ducted homes in Calgary. Their mini-split and multi-zone systems provide zoned comfort with ultra-quiet operation ideal for condos, infills, and inner-city dwellings.
Pros:
- Excellent for ductless or space-limited installations
- Smart inverter technology ensures consistent temperature
- Whisper-quiet models (as low as 45 dB)
- Great year-round performance when paired with a heat pump
Best For
Condos, infill homes, retrofits, and homes in Beltline or downtown Calgary without central ductwork
Recommended Models
Up to 17.2 SEER2
compact side-discharge system, inverter-driven compressor
Up to 21 SEER2
cold-climate heat pump performance down to -20°C
Comfort Union Warranty Support
At Comfort Union, we don’t just install your new system we help you register your manufacturer's warranty and walk you through every detail of what’s covered. We also offer financing options to make upgrading your comfort system more affordable and accessible.
Conclusion
Choosing the right air conditioner brand for your Calgary home is about more than just brand recognition. The ideal unit will bring you comfort, energy savings, peace of mind, and long-term reliability, especially in a climate like ours.
At Comfort Union, we’ve installed hundreds of air conditioning units across all major brands in homes throughout Calgary. Whether you need a high-efficiency Lennox system or a budget-friendly Goodman for a rental suite, our team knows what works best for your home and your budget.
Need help picking the best AC for your Calgary home? Call Comfort Union today for a free quote or expert recommendation.
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