Residential Energy Savings Checklist - WLOX.com - The News for South Mississippi

Residential Energy Savings Checklist

  • Check foundation vents. They should be closed tightly in cold weather.
  • Add or replace leaky door sweeps, door gaskets or weather seal, window caulking.
  • Keep all windows and doors closed. This includes overhead doors and windows of attached garages. This will block cold winds from infiltrating the connecting door between the garage and the house.
  • Close or seal supply registers in garage if connected to duct - work for your home. This is a great source of air leakage. Consider it for what it is, a very large hole in your duct -work. We do not recommend having one as it will draw conditioned air or introduce unconditioned air from and to your home due to extreme negative and positive pressures created by door openings and closing.

Do you know that up to 25% of your heat can go out the window?

  • Replace single-thickness windows with thermal type double thickness windows. They can cut heat transfer by 40% to 50%.
  • Install storm windows and doors to provide additional insurance against heat loss.
  • Keep the curtains drawn. One third of the heat loss from a home escapes through windows. A heavy curtain alone can help limit heat loss from any window. This will also help keep the  house cool in the summer time by keeping heat out.
  • If you have a whole house fan (usually mounted in the ceiling of a hallway) insulate over the louvers. There are also covers or caps available.
  • Shut off power to avoid accidental operation. Attic scuttle hole openings that are located in the ceiling of the living space, should be well insulated with polystyrene or fiberglass insulation and should have a gasket seal around the perimeter.

Did you know that restricted air filters will block air flow and cause your equipment to work harder and less efficiently?

Check air filters. They need to be replaced or cleaned more often during peak weather conditions because your heating/air conditioning equipment runs longer. Choose air filters that do not restrict air - flow. Some washable and electrostatic air filters reduce air flow as much as 40%.

Restricted air flow is as bad or worse than a dirty filter or closing your registers off. Keep supply and return registers free of clutter and open for maximum flow. In most cases, floor register deflectors are not an advantage.

Duct Work

Check any attic or crawl space mounted duct system for loose or leaky connections or joints. Duct work should be sealed and insulated if installed in an unconditioned space. Typical duct systems lose 25% to 40% of the heating or cooling energy put out by the central furnace or air handler.

A properly sized, installed and balanced duct system is the most important item in any heating/air conditioning system. It can be 90% of how effective, comfortable and efficient the total system is.

Note: The cracks and leaks in ductwork typically have an area that is 10% to 20% of the leakage area of the house. Over the course of a heating or cooling season, the energy losses from ducts when the fan is off can be nearly as great as when the fan is on!!!!

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