Retrofitting your home with energy efficient appliances can help save on utilities long term as well as benefit the environment. As told in the CBC article linked below, “the big bonus of heat pumps is that they can have a return of energy, typically three to one, even four to one, and sometimes even five to one if it’s working as AC in the summer.”
https://www.cbc.ca/news/canada/sudbury/green-retrofits-sudbury-presentation-1.6763376