Are Portable Space Heaters Efficient for My Home?

January 31, 2022

Small space heaters are meant to do exactly as their name says: heat a small space. But unfortunately, many people use portable space heaters to heat their entire home, which can take a toll on your energy bills. The truth is, whether you should use space heaters or not really depends on your home’s efficiency and energy needs.. 

If you’re using a space heater to compensate for problems in your home, like inadequate insulation, drafty windows and exterior doors, or an inefficient heating system, space heaters are not a practical solution. Space heaters are designed to be supplemental heaters used for short periods of time in specific rooms. They are not designed to be used as primary heating resources for entire floors or the entire home. Your best bet is to improve the overall efficiency of your home. If you’re on a tight budget, caulking and weather-stripping around windows and exterior doors is a low-cost, easy way to save energy. Depending on the size of your home, adding insulation can be a great next step. Union Power’s Energy Specialists are happy to explain how insulation may help reduce your power bill. Taking these proactive energy-saving measures rather than relying on space heaters for warmth can reduce your heating and cooling bills for years to come. 

Perhaps your home is energy-efficient, but you’re cold-natured and want a specific room to be cozier than the rest. In this case, a space heater may work for your needs. A good comparison is ceiling fans; we use ceiling fans in the summer to cool people, not rooms. A space heater can be used in a similar way during the winter months. Only use a space heater in small spaces that you’re occupying and, if possible, try to shut off other rooms to contain the warmth provided by the space heater. If you decide to use a space heater to heat a small area in your home, make sure the heater is properly sized for the space; most heaters include a general sizing table. 

A word about safety: The U.S. Consumer Product Safety Commission estimates more than 25,000 residential fires are associated with the use of space heaters every year, resulting in more than 300 deaths. If you must use a space heater, purchase a newer model that includes the most current safety features and make sure it carries the Underwriter’s Laboratory (UL) label. Choose a thermostatically controlled heater to avoid energy waste and overheating, and place the heater on a level surface away from foot traffic when in use. Always keep children and pets away from space heaters. 

Also, consider alternative ways to stay warm, like extra layers of clothing or UL-approved electric blankets. If you have hardwood or tile floors, lay down area rugs to provide additional insulation (and visual appeal!) and maintain warmth. We know it’s cold out there, but remember, in addition to safety concerns, space heaters can significantly increase your energy bills if used improperly. 

If you’re looking for alternative ways to save energy and increase comfort in your home, contact our Energy Specialists at 704-289-3145. We’re here to help you manage your energy use. 

Sidebar: Use Our Space Heater Calculator to Estimate your Space Heater Costs

Our Space Heater Calculator helps you quickly understand the added operating cost and additional safety precautions required to heat your home.

Take the element of surprise out of your energy bill by simply visiting and clicking on the Space Heater Calculator icon for an estimated cost of your space heater use.