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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.

No Featured Contractor Found !

Location: Cambridge

  • List Date
  • Listing Title
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4.7/5
🏆 10+ Years of operation
  • (519) 621-2620
  • training@himark.ca
  • himark.ca

Share HiMark Occupational Skills Training Centre (Cambridge)

4.3/5
🏆 7+ Years of operation
  • (519) 622-8000
  • info@pinewoodheating.com
  • pinewoodheating.com

Share Pinewood Heating & Air Conditioning Ltd.

4.7/5
🏆 5+ Years of operation
  • (416) 795-2888
  • pthvacsolutions@gmail.com
  • pthvacsolutions.ca

Share PT HVAC SOLUTIONS INC

4.3/5
🏆 7+ Years of operation
  • (519) 624-0385
  • sales@thheating.ca
  • thheating.ca

Share T&H Heating and Air Conditioning Inc.

5/5
🏆 30+ Years of operation
  • (519) 212-9456
  • info@modernclimate.ca
  • modernclimate.ca

Share Modern Climate Heating and Cooling Inc.

4/5
🏆 45+ Years of operation
  • (519) 653-8040
  • customer-service@uniqueair.ca
  • uniqueair.ca

Share Ultra Comfort Cambridge

4.9/5
🏆 80+ Years of operation
  • (519) 742-7464
  • tosullivan@callgeneral.com
  • callgeneral.com

Share General Refrigeration

4.6/5
🏆 35+ Years of operation
  • (519) 654-9732
  • info@denmech.ca
  • denmech.ca

Share Denaeyer Mechanical Inc.

5/5
🏆 60 Years of operation
  • (226) 609-0151
  • thermal-care@outlook.com
  • thermalcareheatingcooling.com

Share ThermalCare Heating & Cooling

4.8/5
🏆 7+ Years of operation
  • (416) 888-9008
  • info@aircontrolplus.ca
  • aircontrolplus.ca

Share Air Control Plus One Inc

4.9/5
🏆 5+ Years of operation
  • (519) 658-2760
  • jambreezehvac@gmail.com
  • jambreezehvac.com

Share Jambreeze Heating And Cooling

5/5
🏆 10+ Years of operation
  • (647) 388-0952
  • gasfitterpro@gmail.com
  • kelvinstar.ca

Share Kelvinstar Heating and Cooling

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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

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Cambridge, CA
2:18 am, Jan 9, 2026
temperature icon 4°C
Overcast
Humidity: 81 %
Pressure: 1010 mb
Wind: 13 mph
Wind Gust: 27 mph
Clouds: 100%
Visibility: 14 km
Sunrise: 7:53 am
Sunset: 5:04 pm
  • Temperature
  • Precipitation
  • Rain Chance
  • Wind
  • Humidity
  • Pressure
3:00 am
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5°/5°°C 1.65 mm 67% 18 mph 85% 1010 mb 0 cm
6:00 am
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5°/6°°C 2.1 mm 100% 18 mph 89% 1007 mb 0 cm
9:00 am
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4°/4°°C 0 mm 0% 20 mph 100% 1007 mb 0 cm
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4°/5°°C 0 mm 0% 25 mph 100% 1004 mb 0 cm
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4°/6°°C 0 mm 0% 29 mph 100% 1005 mb 0 cm
6:00 pm
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2°/3°°C 0 mm 0% 24 mph 95% 1012 mb 0 cm
9:00 pm
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1°/2°°C 0 mm 0% 14 mph 91% 1019 mb 0 cm
12:00 am
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0°/1°°C 0 mm 0% 6 mph 92% 1021 mb 0 cm