If you’re seriously considering the Gree Heat Pump AC , you’re already ahead of the curve. Gree’s models are among the most energy-efficient mini-split heat pumps available in Canada—making them a smart pick for homeowners looking to save on energy costs without compromising comfort. We highly recommend the Gree FLEXX HP 18 AC Unit as it is one of the best on the market for value & energy efficiency. Read below for more information.
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This guide breaks down everything you need to know before you buy: key benefits, price expectations, installation tips, and how Gravity Heating & Plumbing can help you get set up the right way.
Gree is one of the largest HVAC manufacturers in the world. Their mini-split systems consistently rank high for performance, energy savings, and quiet operation. Here's why homeowners choose them:
✅ Industry-Leading Energy Efficiency
- SEER Ratings up to 38 (for the Gree Vireo+ and Sapphire models), significantly higher than standard 14–18 SEER systems.
- HSPF ratings over 15 , meaning excellent heating efficiency in cold Canadian winters.
- Eligible for rebates through Canada’s Greener Homes Initiative when professionally installed.
✅ Dual-Function Comfort: Heating + Cooling
- Replaces both your furnace and AC.
- Works in extreme temperatures—down to -30°C for heating and up to 46°C for cooling.
- Maintains stable indoor temperatures with variable speed inverter technology .
✅ Whisper-Quiet Operation
- Indoor unit noise levels as low as 19 dB —quieter than a whisper.
- Outdoor units are also designed to run smoothly with minimal vibration.
✅ Smart Control & Scheduling
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- Comes with WiFi-enabled remote control .
- Integrates easily with Google Assistant and Amazon Alexa .
- Set schedules, change temperature, or turn it off remotely from your phone.
Most Popular Gree heat pump AC Model to Consider
Here is the Gree AC with the best energy efficiency that we recommend at Gravity Heating & Plumbing , based on energy efficiency, cost, and long-term value:
Not sure whether to repair or replace? We give honest options with clear pricing — and many upgrades qualify for flexible financing or seasonal offers.
Gree Flexx Heat Pump AC 18
The GREE Flexx HP 18 is a 2/3 ton heat pump system designed for efficient heating and cooling, even in cold climates. It features a high SEER2 and HSPF2 rating, indicating good energy efficiency. The system also includes features like a two-stage compressor, whisper-quiet operation, and a wide operating range, making it suitable for homes in various climates.
Installation Considerations for the Gree heat pump AC
Professional installation isn’t just a recommendation—it’s a requirement for warranty, efficiency, and safety.
Our certified team at Gravity Heating & Plumbing handles everything from planning to post-install checkups, so you don’t have to lift a finger.
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- Site evaluation to determine the right BTU capacity and unit placement.
- Wall mounting the indoor unit(s) and securing the outdoor condenser.
- Running refrigerant lines, electrical connections , and drainage.
- Sealing penetrations and confirming code compliance.
Ongoing Maintenance & Warranty for the Gree heat pump AC
Gree heat pump systems are low-maintenance, but not zero-maintenance. Here’s what to expect:
We offer annual maintenance plans to keep your Gree running smoothly.
- Basic filter cleaning every 1–3 months depending on usage.
- Annual service recommended to check refrigerant levels, clean coils, and test the system.
- Warranty: Most models come with a 5-year parts and compressor warranty (extendable to 10 years when installed by a certified pro like us).
Is a Gree Heat Pump AC Right for You?
You’ll benefit most from a Gree system if:
Still unsure? We’ll evaluate your home, energy goals, and layout to confirm if Gree is the right fit—or recommend something better.
Buying a Gree Heat Pump AC is one of the best HVAC decisions you can make in 2025. It’s efficient, quiet, and powerful enough for Ontario’s changing seasons. With rising energy costs and available green incentives, now’s the right time to invest in high-performance HVAC.
Get expert installation and advice from your local certified team at Gravity Heating & Plumbing .
👉 Get Your Personalized HVAC Quote
- You want to reduce energy costs long-term.
- You prefer a quiet, ductless system that’s easy to zone.
- You’re replacing outdated AC or baseboard heating.
- You’re renovating or building and need an efficient heating + cooling solution.
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Book service, ask about financing, or browse protection plans — we are always available.