There are dozens of ways to heat a house. Once a year, have your heating system looked at. An inefficient system is not only wasteful but dangerous because it may produce carbon monoxide, a deadly colorless gas with no smell. You should also check your heating ducts for any breaks or leaks. Make sure that all heating vents are clear and unblocked.
Check filters once a month.
Clean or replace. In the fall do an annual check of windows and doors. Cracks around the edges can open up during the summer causing cold drafts and wasting money Make sure your home is adequately insulated and weather proofed. Insulation, storm doors, storm windows and weather stripping will save you money on energy year after year, will increase the resale value of your home and make you feel more comfortable. Plus you will be helping the environment.