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Central air conditioners and heat pumps both keep your home cool in summer, but heat pumps offer year-round heating and cooling in a single system. Understanding the cost, efficiency, and climate considerations helps you choose the right option for your Ontario home.
| Metric | Central AC | Heat Pump |
|---|---|---|
| Average Cost | $3,500 - $7,500 installed | $4,500 - $10,000 installed |
| Lifespan | 15-20 years | 12-15 years |
| Energy Efficiency | SEER 14-22 | SEER 15-22 + HSPF 8-13 |
| Heating Capability | None (requires separate furnace) | Yes — heats and cools |
| Best For | Homes with existing furnace, cooling-only needs | Homes wanting single HVAC system, moderate climates |
| Operating Cost | Lower cooling cost, separate heating cost | Lower combined heating + cooling cost |
For Ontario homeowners, heat pumps are an excellent choice if you want to reduce your carbon footprint and lower combined heating and cooling costs. Modern cold-climate heat pumps work efficiently down to -25°C, making them viable for most Ontario winters. However, if you already have a reliable gas furnace and just need cooling, a central AC unit is more cost-effective upfront. Check current Ontario Greener Homes Grant programs — rebates can significantly offset the higher heat pump cost.
Modern cold-climate heat pumps can operate efficiently down to -25°C to -30°C. However, efficiency drops as temperatures fall below -15°C. Many Ontario homeowners use a hybrid system — a heat pump for primary heating with a gas furnace backup for the coldest days.
A heat pump can save $500-$1,500 per year compared to running a central AC plus a gas or oil furnace, depending on your current fuel costs and the heat pump's efficiency. Natural gas users see smaller savings than oil or propane users.
Yes. The Canada Greener Homes Grant offers up to $5,000 for heat pump installations. Some Ontario utilities offer additional rebates. Check the official programs for current eligibility — requirements and amounts change periodically.
Find licensed contractors in your area who can help you choose between central ac and heat pump.
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