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MONEYSAVING TIPS

Lower the Thermostat
If you're using a coil-type thermostat (like the one shown at left), you'll get more accurate readings if you clean it. Pop off the thermostat cover and blow or gently swipe away the dust.


Install a Programmable Thermostat
A programmable thermostat allows you to preset temperatures for different times of the day because you don't need to keep your home at 68° around the clock. Although one shouldn't be used with heat pumps, a programmable thermostat is a real money-saver with air-conditioning as well as with heat. Choose a setting on the low end when you're sleeping or are away and go with a higher setting at other times for savings of between 10 and 20 percent of your bill. Some units can store up to four temperature settings each day., morning, day, evening, night. All have a manual override switch.


You can easily install a new thermostat yourself. Always follow manufacturer's instructions, but typically you remove the old thermostat and unscrew the wire leads attached to the terminals on the back. Reattach those wires to the new thermostat's terminals, after inserting mounting screws in the wall, if necessary. (If you have separate heating and A/C units that use the same thermostat, you may find four leads, two for each unit.)


It's time to Close your Flue for the Season. Minimize Those Romantic Fires

An open fireplace damper lets the same amount of heated air escape up the chimney as a wide-open 48-in. window lets out. Make sure your flu is closed when you don't have a fire going. In fact, it is a good idea to reduce the number of times you use your fireplace. A roaring fire exhausts over 20,000 cu. ft. of heated air per hour to the outside. Sure it feels warm by the fire, but every Btu that goes up the chimney is replaced by cold air pulled into the house elsewhere. And all that cold air has to be heated, a costly prospect. Can't resist a fire every few nights? Install a set of glass fireplace doors ($400 to $600). Closing these doors when you go to bed prevents large volumes of heated air in the living space from escaping after the fire has gone out.
Cost: $0

The Spin on Ceiling Fans
Ceiling fans are everywhere in warm-weather climates. Spinning counterclockwise, they move air around the room. Not all energy experts feel it's a good idea to use them in the heating season (doubters says they cool the air too much), but the fans do help bring heated air down to earth in rooms with cathedral or high-sloped ceilings. However, that's only if you slide the reversing switch on the side of the motor housing to the winter (clockwise) position. Then run the fan at its lowest speed. If you can't reverse the blade rotation or if you think the fan is cooling off the room too much, leave it off.
Cost: $0

Move Furniture Away From Vents, Registers and Radiators

This sounds like a no-brainer, but many times a couch, chair or bed moved during the summer stays there in winter, blocking the flow of heat into the room. This wastes money and leads to cold rooms. With a forced-air system, blocking a supply or return vent can cause a house-wide pressure imbalance that disrupts the heat flow in the whole system.
Cost: $0


Stop the Draft, Close the Door
Light a match and the rising hot air will draw nearby cooler air into the match flame. Heat a building, and the rising hot air will pull cold air from outside into the house. It's a physical principle called "stack effect." To defeat it, cut down on spaces cold air can enter your house, like under a door to the outside. Seal this gap with a "door snake," a long thin cloth sack, like a bean bag. Fill it with dried peas or rice, something to make it heavy enough to stay in place. You can sew one using scrap fabrics.

You can also keep the heat where it's needed by making sure some interior doors, such as those leading to hallways or near stairways, are kept shut. This closes off natural air passageways so they can't act as chimneys, allowing warm air to escape up through the house.
Cost: Under $5

Quick-Seal Windows
Dead air is a very effective insulator, and you can create a pocket of it by installing clear plastic film across the inside of your windows. Available in kits that contain plastic film and double-sided tape, the plastic becomes nearly invisible when you heat it with a blow-dryer. If you find it unsightly, place the film on windows and patio doors selectively or only in unused rooms.

Measure your window before buying; kits vary in size, and they work only with wood, aluminum and vinyl-clad molding. Payback is fast on this inexpensive technique, because heat lost through windows accounts for 10 to 25 percent of your overall heating bill.

If you can rattle your windows, they're letting a lot of heat escape around the frames. Seal the open spaces with puttylike rope caulk before shrink wrapping. Press-in-place rope caulk ($5 per window) is mess-free and easy to use, and removing it in the spring is a cinch. But be sure to do a thorough window-sealing and caulking job before next heating season rolls around.
Cost: about $4 to $6 per window, plus around $15 for a patio door

Work the Drapes
Got drapes or curtains that block sunlight? Open them during the day to get free solar heat (make sure windows are clean). And then close the curtains just before sunset. Also, consider insulating curtains (around $100 per window). As a general rule, each square foot of window that you insulate at night saves about 1 gal. of oil or nearly 1.5 cu. ft. of gas a year, which means that insulating curtains pay for themselves in around seven years, to say nothing of the added comfort.
Cost: $0



 
Change Your Furnace Filter
If you have a forced-air system, changing the furnace filter can save you some energy (up to 5 percent) and keep dust down in the house. The system will last longer and be less likely to break down. The most popular 16 X 25-in. duct filter costs around 50 cents when bought by the box. Change them monthly during heating season. Measure your air filter before shopping; they range in size from 12 X 12 in. to 30 X 30 in. An alternative to swapping out the replacement filter is to use washable filters (around $20 each). With care, they can last five years.
Cost: Under $15 per year


Adjust Your Water Heater
You use more hot water in winter. Lower the water heater temperature from 140° to 120°. And take showers, not baths. According to the U.S. Department of Energy, the average bath consumes up to 25 gal. of hot water, while a five-minute shower uses up much less—only around 10 gal. Equipping your showers with low-flow showerheads also dramatically reduces the consumption of water, both hot and cold.
Cost: $0

Defeat Short Cycling
Short or Rapid cycling
when a heating system fires on and off it wastes money. It occurs because of a heat-anticipation feature on thermostats that maintains a near-constant room temperature. Most electronic setback thermostats are programmed to act when they sense a 1° to 1.5° drop. If the thermostat is misprogrammed to less than 1°, the heater may go into short cycle, firing every three minutes or less to maintain temperature. To stop short cycling, make sure the "cycle-rate adjustment" in the thermostat setup mode reads from 1° to 1.5°. If you change it, move it higher.

On most mechanical thermostats, the amperage scale is set from 0.1 to 1.2 amps. To defeat short cycling, set the arrow one notch higher. Let it cycle for 24 hours before adjusting it again.

Short cycling is common in the relatively warm early and late winter, when you're using a unit capable of heating on the coldest days. Detect short cycling in midwinter, when the heater should fire 5 minutes on, 5 minutes off.
Cost: $0

 



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Copyright © 2002,2003 Morrison Mechanical
Last modified:
November 12, 2003