Interestingly, a gas furnace provides the facility of dual heat exchanger that lets one enjoy the warmth or heat offered by the machine generated by power efficiently. Being fuel efficient, a furnace actually saves money of the owner by providing the service thoroughly. Buying from a local supplier makes installation and servicing factors easier. Whether, you stay in Peterborough or any other part of Vancouver, you can contact a local supplier from the local classifieds available in your area.