Home Heating

The first and most important step you can take to help ensure savings and lower energy consumption for your home is to ensure your building envelope is performing at its best. This means sealing air leaks, improving your wall and attic insulation, and installing ENERGY STAR® rated doors and windows.  

Ways you can save on home heating…
  • Insulate your attic, ceiling, exterior and basement walls, floors and crawl spaces, you could save 225 kWh per month, or $297 over the entire heating season.*
  • Caulk and weatherstrip around doors, windows and attic hatches, you could save 90 kWh per month, or $119 over the entire heating season depending on how drafty your home is.*
  • Lower the thermostat by 5°C when you leave home for the day, you could save 90 kWh per month, or $119 per year.*
  • Turn off your electric fireplace one hour earlier each night, you could save 31 kWh per month, or $41 per year.*

* Heating season in PEI is approximately eight months, assumes electric baseboard heating (to calculate savings using furnace oil note that one litre of oil = 8.5 kWh)

* Energy cost per year based on Maritime Electric residential first block energy charge of $0.1437/kWh and HST of 15%. 

Ways you can save on hot water heating…
  • Insulate or wrap your electric hot water heater, you could save 22 kWh per month, or $43 per year.*
  • Lower the temperature on your hot water heater by 5°C, you could save 18 kWh per month, or $35 per year.*
  • Wash and rinse laundry in cold water, you could save 48 kWh per month, or $95 per year.*
  • Shorten your shower to five minutes and install a low-flow showerhead, not only will you reduce your water consumption, you could save an additional 32 kWh per month, or $63 per year.*
  • Consider purchasing an ENERGY STAR® “Most Efficient” front-loading clothes washer to reduce your hot water usage and cut your clothes dryer energy usage by up to 33% for even more savings!

* Energy cost per year based on Maritime Electric residential first block energy charge of $0.1437/kWh and HST of 15%. 

Savings and tips for mini-split heat pumps…
  • Install an ENERGY STAR® “Most Efficient” ductless mini-split air-source heat pump and save $1,053 per year if you currently use electric baseboard radiators to heat your home.*/**
  • Install an ENERGY STAR® “Most Efficient” ductless mini-split air-source heat pump and save $423 per year if you currently use furnace oil to heat your home.*/**
  • Choose an ENERGY STAR® "Most Efficient" rated air-source heat pump to ensure it will operate and provide heat at temperatures as low as -25°C. You may also qualify for a rebate from EfficiencyPEI if you purchase and install a most efficient unit.
  • Choose an authorized mini-split dealer that only employs certified installers licensed to handle refrigerants and work with electrical connections.
  • Choose the right size heat pump. It is recommended that you speak with a certified heat pump installer or authorized dealer to better determine the most appropriate size unit for your home.
  • Keep your existing electric baseboard heaters or oil-fired furnace. Even the most efficient heat pumps available today should be viewed as supplemental heating systems only.
  • Set the thermostat at the temperature you desire and leave it there. It is not advisable to reduce the thermostat on your air source mini-split heat pump by more than 1°C.
  • Upgrade to a 200 amp service if you are installing more than one mini-split air-source heat pump.   

* Energy cost per year based on Maritime Electric residential first block energy charge of $0.1437/kWh and HST of 15%. 

** Estimated amount for space heating only (1,200 square foot bungalow), total furnace oil usage will be higher if furnace oil also used to heat hot water.

PDF: Choosing a Mini-Split Heat Pump

Heat Pump FAQ