You could wear extra layers of clothing in your home, but that's not practical or comfortable. If you have a drafty area due to windows or bad insulation, a heater can be a quick fix.
If you have a garage, or a freestanding unit outside your home, you can consider a point-of-use water heater , which uses a smaller tank and is meant to heat a limited area.
Heater Selection Help : Part One Heatloss calculations provided by Cadet are an estimate only, based on the information provided to Cadet and completed to the best of our ability.