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What size furnace should I buy?

Square FootageFurnace BTU
1,000-1,200 sq. ft. Home40,000 - 60,000 BTU
1,200-1,500 sq. ft. Home60,000 BTU
1,500-1,800 sq. ft. Home60,000 - 80,000 BTU
1,800-2,500 sq. ft. Home80,000 - 100,000 BTU
2,500-3,500 sq. ft. Home100,000 to 120,000 BTU

Searching for trusted HVAC services in Cambridge, Ontario?

You’re in the right place. Our directory features top-rated Cambridge HVAC contractors offering expert furnace repair, air conditioning installation, and heating system maintenance. Whether you live in Galt, Hespeler, or Preston, you’ll find reliable professionals ready to keep your home comfortable in every season.

4.6/5
🏆 20 Years of operation

Share Canadian Heating and Air Conditioning Inc.

Location: Cambridge

  • List Date
  • Listing Title
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4.6/5
🏆 20 Years of operation

Share Canadian Heating and Air Conditioning Inc.

5/5
🏆 5+ Years of operation
  • (866) 722-8177
  • sales@a1hvacndego.ca
  • a1hvacndego.com

Share A1 HVAC N De Go

4.4/5
🏆 7+ Years of operation
  • 519-658-4328
  • info@mrjmechanical.ca
  • mrjmechanical.ca

Share MRJ Mechanical Inc.

5/5
🏆 3+ Years of operation
  • 519-994-4822
  • valleymechanicalhvac@gmail.com

Share Valley Mechanical

4.4/5
🏆 3+ Years of operation
  • 416-875-7084
  • info@infinityhvac.ca
  • infinityhvac.ca

Share Infinity HVAC Ltd.

5/5
🏆 10 Years of operation
  • 519-635-5224
  • hi@typemade.mx
  • dwellwellhvac.ca

Share Dwell Well Heating, Cooling and Refridgeration

5/5
🏆 20 Years of operation
  • 226-759-9922
  • info@tridentair.ca
  • tridentair.ca

Share Trident Heating & Air Conditioning Inc.

5/5
🏆 3+ Years of operation
  • 519-410-4273
  • brackenheating@gmail.com
  • brackenheating.com

Share Bracken Heating and Cooling

4.8/5
🏆 15+ Years of operation
  • 519-624-7651
  • annette@service1st.ca
  • service1st.ca

Share Service 1st Heating and Cooling

4.8/5
🏆 10+ Years of operation
  • (519) 621-8776
  • london-on@mrrooter.ca
  • mrrooter.ca

Share Mr. Rooter Plumbing Of Cambridge, ON

4/5
🏆 30 Years of operation
  • (855) 658-4330
  • info@ecologix.ca
  • ecologix.ca

Share Ecologix Heating Technologies Inc

4.6/5
🏆 15+ Years of operation
  • (519) 954-4778
  • frank@orsanairservices.com
  • orsanairservices.com

Share Orsan Air Services – Duct Cleaning

4.4/5
🏆 10+ Years of operation
  • (519) 624-4622
  • mafna@mafna.com
  • mafna.com

Share MAFNA Air Technologies Inc.

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Cambridge Climate: Why a Reliable HVAC System Is Essential

Cambridge has a humid continental climate, bringing freezing winters and warm, humid summers — conditions that place constant pressure on your heating and cooling equipment.

  • In winter, temperatures often fall below –10°C, making a well-maintained furnace or heat pump vital for safe, dependable heating.
  • In summer, humidity and temperatures in the 30s °C force air conditioners to work harder to keep indoor spaces comfortable.

Because of these dramatic temperature changes, seasonal HVAC tune-ups are crucial for efficiency, safety, and long-term performance. Cambridge homeowners often rely on local HVAC professionals who understand the city’s unique weather patterns and can recommend systems that deliver year-round comfort.


Living in Cambridge: Comfort, Community, and Local Care

Situated along the Grand River, Cambridge blends historic charm with modern growth. From Downtown Galt’s iconic architecture to Hespeler Village’s boutiques and Preston’s family-oriented neighbourhoods, each area has its own lifestyle and comfort needs.

Common neighbourhoods where homeowners frequently search for HVAC services include:
Galt, Hespeler, Preston, West Galt, East Galt, and Silver Heights.

Local attractions such as the Cambridge Butterfly Conservatory, Riverside Park, and the Fashion History Museum highlight the city’s vibrant mix of nature, culture, and community — making Cambridge a comfortable place to live in every season.


Cambridge Weather & Home Comfort Tips

Cold snaps in winter and humid spells in summer are typical in Cambridge. Homeowners often rely on these practices to stay comfortable:

  • Schedule annual furnace inspections before winter begins
  • Replace air filters and clean vents to improve airflow
  • Use programmable thermostats to reduce energy consumption
  • Upgrade to ENERGY STAR-rated HVAC systems for better efficiency

With proper care, your heating and cooling systems stay efficient, reliable, and less costly to maintain.


Find the Right HVAC Contractor in Cambridge

When evaluating HVAC companies in Cambridge, consider providers who offer:

  • Furnace installation, replacement, and repair
  • Central AC installation and ductless cooling systems
  • 24/7 emergency heating and cooling repair
  • Energy-efficient HVAC upgrades
  • Indoor air quality testing and purification

Our directory features verified Cambridge HVAC contractors so you can compare reviews, access free quotes, and choose the best fit for your home.


Why Choose Local Cambridge HVAC Experts?

Local technicians understand Cambridge’s climate — from icy river winds in January to humid summer afternoons in July. They can:

  • Recommend the right furnace size based on your home’s layout
  • Suggest cooling systems designed for high humidity
  • Provide preventive maintenance plans for smooth year-round performance

Working with a local HVAC company also means faster response times and personalized service from professionals familiar with your neighbourhood.


Discover Cambridge: See the City in Action


Browse the Cambridge HVAC companies listed above to compare pricing, warranties, services, and customer reviews. Request quotes, evaluate top-rated providers, and choose the right contractor to keep your home comfortable through every season in Cambridge.


Current Weather Cambridge

Cambridge, CA
11:26 am, Nov 14, 2025
temperature icon 5°C
Partly cloudy
Humidity: 81 %
Pressure: 1018 mb
Wind: 5 mph
Wind Gust: 7 mph
Clouds: 75%
Visibility: 14 km
Sunrise: 7:14 am
Sunset: 4:57 pm
  • Temperature
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12:00 pm
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8°/11°°C 0 mm 0% 7 mph 57% 1019 mb 0 cm
3:00 pm
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10°/11°°C 0 mm 0% 5 mph 53% 1018 mb 0 cm
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3°/6°°C 0 mm 0% 1 mph 84% 1018 mb 0 cm
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2°/3°°C 0 mm 0% 4 mph 86% 1017 mb 0 cm
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1°/2°°C 0 mm 0% 5 mph 94% 1016 mb 0 cm
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1°/1°°C 0 mm 0% 5 mph 97% 1014 mb 0 cm
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1°/2°°C 0 mm 0% 6 mph 98% 1012 mb 0 cm
9:00 am
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2°/3°°C 0 mm 0% 7 mph 98% 1010 mb 0 cm