Blog : Guest Blog: Did You Know You Can Save on Energy Costs?
By Steven Borne and Carol Ann Mastro who participated in the Sustainable Portsmouth Kickoff.
Phantom Power Tips
Computer, Internet Modems, TVs, Microwave ovens, Stereos start right up since they are kept in a “Warm mode” that draws electricity. If you put them on a power strip with an on/off switch you can stop paying for electricity when you are not using it.
Unplug cell phone chargers, clocks and radios and small appliances such as coffee makers and or put on power strips and turn on when you need to use them. Anything with an LED is using power, so shut it off or unplug it.
Shut off computer screensavers and adjust power management settings to sleep after a few minutes of inactivity
Lighting Tips
Lighting accounts for about 15% of a home's electric use. New screw-in fluorescent bulbs can replace the incandescent ones most of us use. Fluorescent bulbs are more expensive, but they last 10 times longer and use 75% less electricity. Know the risks of exposure if they break.
If you prefer incandescent bulbs, try to use "energy saver" bulbs. These bulbs use halogen gases that allow the filament to burn brighter while consuming less electricity.
A lot of energy can be saved by matching as closely as possible light bulb wattage to lighting needs. For example, a high wattage reading light in a hallway or alcove is not energy efficient. Start by replacing the bulbs in the locations where you leave lights on the longest (kitchen, family room, ….).
You can save by turning off incandescent lights when you leave the room. If you use fluorescent lighting, however, turn them off only if you'll be gone longer than 15 minutes. Fluorescent lights use as much energy in starting as they use during 15 minutes of operation, so it's not worthwhile to turn them off for brief periods.
Lighting controls or "timers" can help save energy dollars, too. Timers can be set to turn lights on or off at predetermined times while photocell controls are sensitive to light and turn lamps on and off at sundown and sunrise. Dimmers can vary the level of illumination according to how much light you may want in a given situation.
Consider using task lighting (lighting directed at a specific area) instead of overhead or general lighting, which may light unused areas of the room. By limiting lighting only to areas where it is needed, savings in the cost of bulbs and energy can be made.
Keeping lights and fixtures clean can improve efficiency as much as 20%. Take advantage of reflected light by keeping portable fixtures as close as possible to light colored walls or other surfaces. These easy steps may reduce the number and wattage of bulbs you need and help you save on your energy bills. If you have vanity fixtures – see if you need all of the bulbs – try removing the ends.
Unplug light sensitive nightlights in dark rooms during the day.
Heating Tips
Heating is the single biggest energy use in homes. A well-maintained heating system will hold down fuel costs and provide reliable comfort. Check the filters in your warm air heating system monthly and replace or clean them when they become dirty. Have your heating system checked periodically by a licensed professional.
Proper insulation in walls, ceilings and floors also significantly reduces the loss of heat to the outdoors. Insulation will pay for itself in fuel cost savings and home comfort.
Storm windows and doors are big energy and money savers. They can reduce heating costs by as much as 15% by preventing warm air from escaping to the outside. Double glazed and thermopane windows or even clear plastic across windows can minimize heat escape.
The many small openings in a home can add up to big heat losses. Caulking and weather-stripping cracks in walls and floors, windows and doors will save fuel and money. Keeping the fireplace damper closed tightly when not in use will also result in heating cost savings.
Install programable thermostats that automatically turn down the heat during the day and when you go to sleep. Remember to program for when you go away or just set at a fixed temperature while you are gone.
Letting sunlight in by opening curtains, blinds and shades over windows facing the sun helps keep your home warm and reduces heating needs. At night or when the sky is overcast, keeping drapes and curtains closed will help keep the warmth indoors.
Dry air makes you feel colder than moist air at the same temperature. Maintaining home humidity will produce personal comfort at a lower thermostat setting and save money. Shallow pans of water near radiator tops or near warm air vents, or a room humidifier, will help raise humidity levels. Leave the water in the tub after the kids have their bath.
Keeping your heating thermostat at the lowest temperature comfortable for you will save on heating costs.
Insulate heating hot air ducts and hot water pipes that provide heat to the rooms in your home. This will reduce heat loss in areas that are not insulated and will help your heating system work more efficiently.
Cooling Tips
Make sure your air conditioner is the proper size for the area you are cooling. The wrong size air conditioner will use more electricity and increase your energy bills. A unit that is too large for a given area will cool the area too quickly, causing the air conditioner to frequently turn it on and off. If a unit shuts off quickly, chances are it hasn't been running long enough to reduce the room's humidity and you'll be uncomfortable. If your air conditioner is too small, it will run constantly on hot days without ever achieving good results.
The location of your air conditioner has a lot to do with how efficient it will be. If you have a choice, locate your units on the north, east or the best-shaded side of your home. If the unit is exposed to direct sunlight, it has to work much harder and use more energy to cool your home. Keep shrubbery away from your air conditioner since it blocks vents and reduces the unit's ability to exhaust air.
Regular maintenance will insure that your air conditioner operates efficiently throughout the summer. Check the filter once a month by holding it up to a bright light. If you can't see through it, it's time to clean or replace the filter. You can also check your owner's guide to find out how to safely clean the condenser coils and fins on the outside of the unit.
On very hot days, you can save energy by closing the fresh air intake on your unit. Cooling fresh, warm outside air requires more electricity than re-cooling the air that is already circulating in your home.
You can save on cooling costs by avoiding cooling rooms that are not occupied. If you like your home to be cool when you come home at the end of the day, special automatic timers for air conditioners are available that will turn the unit on before you arrive home.
On hot summer days, the temperature in your attic can reach 150 degrees. Improving the ventilation or increasing the insulation in your attic will lower the temperature of the entire house and make your air conditioner's job a lot easier. Installing an attic fan that is controlled by a thermostat to exhaust the hot air or increasing the insulation factor in your attic can greatly improve the comfort of your home.
Fans can make your air conditioner's job easier while saving you money. Pedestal and ceiling fans improve the air circulation in your home, allowing you to raise the air conditioner's thermostat. In moderate heat, fans can sometimes completely replace air conditioners. Ceiling fans use only about one tenth the electricity of a typical home air conditioner.
To stay most comfortable during the hottest hours of the day, do your cooking, laundry and bathing in the early morning or late evenings. These activities all increase the level of humidity in your home, making it less comfortable and forcing the air conditioner to work even harder. If other heat generating appliances, such as irons, ovens and blow dryers are used only in the early morning or late evening, your home will stay cooler.
Drapes, shades and awnings shield windows from the hot sun, keeping your home cooler. Your storm windows also come in handy during the summer since they keep cool air in and hot air out. Weather-stripping and caulking windows and door frames will also keep cool air from leaking out. Certain reflective films can be used on windows to screen out the hot rays of the sun without reducing the amount of light you receive. And, when doors and windows are shut, your air conditioner will operate more efficiently.



