Now that the summer heat—and summertime utility bills—are making you sweat, you might want to consider making a few changes to cut your energy consumption. You can shave dollars off your monthly bills without sacrificing comfort, as long as you plan ahead and get creative. Here’s US News and World Report’s room-by-room guide to saving money this summer and benefiting the Earth at the same time!
Most people don’t know how easy it is to make their homes run on less energy, and here at InterNACHI, we want to change that.
Drastic reductions in heating, cooling and electricity costs can be accomplished through very simple changes, most of which homeowners can do themselves. Of course, for homeowners who want to take advantage of the most up-to-date knowledge and systems in home energy efficiency, InterNACHI energy auditors can perform in-depth testing to find the best energy solutions for your particular home.
Why make your home more energy efficient? Here are a few good reasons:
- Federal, state, utility and local jurisdictions’ financial incentives, such as tax breaks, are very advantageous for homeowners in most parts of the U.S.
- It saves money. It costs less to power a home that has been converted to be more energy-efficient.
- It increases the comfort level indoors.
- It reduces our impact on climate change. Many scientists now believe that excessive energy consumption contributes significantly to global warming.
- It reduces pollution. Conventional power production introduces pollutants that find their way into the air, soil and water supplies.
1. Find better ways to heat and cool your house.
As much as half of the energy used in homes goes toward heating and cooling. The following are a few ways that energy bills can be reduced through adjustments to the heating and cooling systems:
- Install a ceiling fan. Ceiling fans can be used in place of air conditioners, which require a large amount of energy.
- Periodically replace air filters in air conditioners and heaters.
- Set thermostats to an appropriate temperature. Specifically, they should be turned down at night and when no one is home. In most homes, about 2% of the heating bill will be saved for each degree that the thermostat is lowered for at least eight hours each day. Turning down the thermostat from 75° F to 70° F, for example, saves about 10% on heating costs.
- Install a programmable thermostat. A programmable thermostat saves money by allowing heating and cooling appliances to be automatically turned down during times that no one is home and at night. Programmable thermostats contain no mercury and, in some climate zones, can save up to $150 per year in energy costs.
- Install a wood stove or a pellet stove. These are more efficient sources of heat than furnaces.
- At night, curtains drawn over windows will better insulate the room.
2. Install a tankless water heater.
Demand-type water heaters (tankless or instantaneous) provide hot water only as it is needed. They don’t produce the standby energy losses associated with traditional storage water heaters, which will save on energy costs. Tankless water heaters heat water directly without the use of a storage tank. When a hot water tap is turned on, cold water travels through a pipe into the unit. A gas burner or an electric element heats the water. As a result, demand water heaters deliver a constant supply of hot water. You don’t need to wait for a storage tank to fill up with enough hot water.
3. Replace incandescent lights.
The average household dedicates 11% of its energy budget to lighting. Traditional incandescent lights convert approximately only 10% of the energy they consume into light, while the rest becomes heat. The use of new lighting technologies, such as light-emitting diodes (LEDs) and compact fluorescent lamps (CFLs), can reduce the energy use required by lighting by 50% to 75%. Advances in lighting controls offer further energy savings by reducing the amount of time that lights are on but not being used. Here are some facts about CFLs and LEDs:
- CFLs use 75% less energy and last about 10 times longer than traditional incandescent bulbs.
- LEDs last even longer than CFLs and consume less energy.
- LEDs have no moving parts and, unlike CFLs, they contain no mercury.
4. Seal and insulate your home.
Sealing and insulating your home is one of the most cost-effective ways to make a home more comfortable and energy-efficient, and you can do it yourself. A tightly sealed home can improve comfort and indoor air quality while reducing utility bills. An InterNACHI energy auditor can assess leakage in the building envelope and recommend fixes that will dramatically increase comfort and energy savings.
The following are some common places where leakage may occur:
- electrical receptacles/outlets;
- mail slots;
- around pipes and wires;
- wall- or window-mounted air conditioners;
- attic hatches;
- fireplace dampers;
- inadequate weatherstripping around doors;
- window frames; and
- switch plates.
Because hot air rises, air leaks are most likely to occur in the attic. Homeowners can perform a variety of repairs and maintenance to their attics that save them money on cooling and heating, such as:
- Plug the large holes. Locations in the attic where leakage is most likely to be the greatest are where walls meet the attic floor, behind and under attic knee walls, and in dropped-ceiling areas.
- Seal the small holes. You can easily do this by looking for areas where the insulation is darkened. Darkened insulation is a result of dusty interior air being filtered by insulation before leaking through small holes in the building envelope. In cold weather, you may see frosty areas in the insulation caused by warm, moist air condensing and then freezing as it hits the cold attic air. In warmer weather, you’ll find water staining in these same areas. Use expanding foam or caulk to seal the openings around plumbing vent pipes and electrical wires. Cover the areas with insulation after the caulk is dry.
- Seal up the attic access panel with weatherstripping. You can cut a piece of fiberglass or rigid foamboard insulation in the same size as the attic hatch and glue it to the back of the attic access panel. If you have pull-down attic stairs or an attic door, these should be sealed in a similar manner.
5. Install efficient showerheads and toilets.
The following systems can be installed to conserve water usage in homes:
- low-flow showerheads. They are available in different flow rates, and some have a pause button which shuts off the water while the bather lathers up;
- low-flow toilets. Toilets consume 30% to 40% of the total water used in homes, making them the biggest water users. Replacing an older 3.5-gallon toilet with a modern, low-flow 1.6-gallon toilet can reduce usage an average of 2 gallons-per-flush (GPF), saving 12,000 gallons of water per year. Low-flow toilets usually have “1.6 GPF” marked on the bowl behind the seat or inside the tank;
- vacuum-assist toilets. This type of toilet has a vacuum chamber that uses a siphon action to suck air from the trap beneath the bowl, allowing it to quickly fill with water to clear waste. Vacuum-assist toilets are relatively quiet; and
- dual-flush toilets. Dual-flush toilets have been used in Europe and Australia for years and are now gaining in popularity in the U.S. Dual-flush toilets let you choose between a 1-gallon (or less) flush for liquid waste, and a 1.6-gallon flush for solid waste. Dual-flush 1.6-GPF toilets reduce water consumption by an additional 30%.
6. Use appliances and electronics responsibly.
Appliances and electronics account for about 20% of household energy bills in a typical U.S. home. The following are tips that will reduce the required energy of electronics and appliances:
- Refrigerators and freezers should not be located near the stove, dishwasher or heat vents, or exposed to direct sunlight. Exposure to warm areas will force them to use more energy to remain cool.
- Computers should be shut off when not in use. If unattended computers must be left on, their monitors should be shut off. According to some studies, computers account for approximately 3% of all energy consumption in the United States.
- Use efficient ENERGY STAR-rated appliances and electronics. These devices, approved by the U.S. Department of Energy and the Environmental Protection Agency’s ENERGY STAR Program, include TVs, home theater systems, DVD players, CD players, receivers, speakers, and more. According to the EPA, if just 10% of homes used energy-efficient appliances, it would reduce carbon emissions by the equivalent of 1.7 million acres of trees.
- Chargers, such as those used for laptops and cell phones, consume energy when they are plugged in. When they are not connected to electronics, chargers should be unplugged.
Laptop computers consume considerably less electricity than desktop computers.
7. Install daylighting as an alternative to electrical lighting.
Daylighting is the practice of using natural light to illuminate the home’s interior. It can be achieved using the following approaches:
- skylights. It’s important that they be double-pane or they may not be cost-effective. Flashing skylights correctly is key to avoiding leaks;
- light shelves. Light shelves are passive devices designed to bounce light deep into a building. They may be interior or exterior. Light shelves can introduce light into a space up to 2½ times the distance from the floor to the top of the window, and advanced light shelves may introduce four times that amount;
- clerestory windows. Clerestory windows are short, wide windows set high on the wall. Protected from the summer sun by the roof overhang, they allow winter sun to shine through for natural lighting and warmth; and
- light tubes. Light tubes use a special lens designed to amplify low-level light and reduce light intensity from the midday sun. Sunlight is channeled through a tube coated with a highly reflective material, and then enters the living space through a diffuser designed to distribute light evenly.
8. Insulate windows and doors.
About one-third of the home’s total heat loss usually occurs through windows and doors. The following are ways to reduce energy lost through windows and doors:
- Seal all window edges and cracks with rope caulk. This is the cheapest and simplest option.
Windows can be weatherstripped with a special lining that is inserted between the window and the frame. For doors, apply weatherstripping around the whole perimeter to ensure a tight seal when they’re closed. Install quality door sweeps on the bottom of the doors, if they aren’t already in place.
- Install storm windows at windows with only single panes. A removable glass frame can be installed over an existing window.
- If existing windows have rotted or damaged wood, cracked glass, missing putty, poorly fitting sashes, or locks that don’t work, they should be repaired or replaced.
9. Cook smart.
An enormous amount of energy is wasted while cooking. The following recommendations and statistics illustrate less wasteful ways of cooking:
- Convection ovens are more efficient that conventional ovens. They use fans to force hot air to circulate more evenly, thereby allowing food to be cooked at a lower temperature.
- Convection ovens use approximately 20% less electricity than conventional ovens.
- Microwave ovens consume approximately 80% less energy than conventional ovens.
- Pans should be placed on the matching size heating element or flame.
- Using lids on pots and pans will heat food more quickly than cooking in uncovered pots and pans.
- Pressure cookers reduce cooking time dramatically.
- When using conventional ovens, food should be placed on the top rack. The top rack is hotter and will cook food faster.
10. Change the way you do laundry.
- Do not use the medium setting on your washer. Wait until you have a full load of clothes, as the medium setting saves less than half of the water and energy used for a full load.
- Avoid using high-temperature settings when clothes are not very soiled. Water that is 140° F uses far more energy than 103° F for the warm-water setting, but 140° F isn’t that much more effective for getting clothes clean.
- Clean the lint trap every time before you use the dryer. Not only is excess lint a fire hazard, but it will prolong the amount of time required for your clothes to dry.
- If possible, air-dry your clothes on lines and racks.
- Spin-dry or wring clothes out before putting them into a dryer.
- Homeowners who take the initiative to make these changes usually discover that the energy savings are more than worth the effort. InterNACHI home inspectors can make this process much easier because they can perform a more comprehensive assessment of energy-savings potential than the average homeowner can.
by Nick Gromicko, Ben Gromicko, and Kenton Shepard • InterNACHI
According to Energy Star, a compact fluorescent light bulb (CFL), which costs only a few dollars, will save about $30 over its lifespan and will pay for itself in just six months. In addition, CFLs actually reduce mercury emissions around the world, because they lessen the need for electricity from power plants that emit mercury. Coal-fired power generation accounts for 51 percent of the mercury emissions in the U.S. But CFL bulbs contain mercury, so some people prefer not to use them due to safety concerns if a bulb brakes. LED light bulbs (light-emitting diodes) cost more upfront but last even longer than CFLs, consume less energy and they contain no mercury.
What are some other easy ways to save energy and money? How about getting rid of the phantom of the office? Desktop computers and laptops continue to use power in sleep mode if they are plugged in. There are similar phantoms-phantom electrical loads-that can be found throughout the home. In fact, the Department of Energy estimates that 75 percent of electricity used to power home electronics is actually consumed while the products are turned off. Some people feel it is not convenient to turn multiple appliances and electronics on and off, but a power strip allows multiple devices to be turned off with one switch. Conserving water is becoming a fact of life. Using less water will lower the overall water bill, and using less hot water will save on the electric or gas bill. Lowering the hot water temperature to 120° saves energy and is hot enough for showers and use in clothes washers and dishwashers. Water-efficient fixtures, including showerheads, faucets and toilets are available, and appliances should be upgraded to those labeled with the Energy Star designation as they are replaced. Demand-type water heaters (tankless) provide hot water only where it is needed and do not produce the standby energy losses associated with traditional storage water heaters. Creating a drought-resistant landscaping can also cut down on water usage outdoors.
When the air-conditioner is on, another way to reduce energy consumption is by raising the temperature. For every degree higher it is set, cooling costs are reduced between seven and ten percent. Periodically replace air filters when running the heating or cooling system and it will operate more efficiently. Ceiling and whole-house fans can also play a large role in keeping inside temperatures manageable while reducing cooling and heating costs.
With more than fifty percent of a home’s energy use going towards heating and cooling, slowing the flow of air between inside and out can make it easier to control temperature. Adding insulation in the ceiling is one way to reduce that air flow. Measuring the current level of insulation is easy and can be done using a yardstick to measure the thickness of the insulation, and then multiplying the thickness by the R-value (resistance to heat flow) of the insulation material. The R-value ratings of a variety of attic insulations can be found on the Department of Energy website. The site also lists the appropriate R-value ratings for various parts of the country. Adding insulation to an attic is often one of the most cost-effective methods of improving a home’s energy performance.
Sealing areas where air leaks may occur will save energy and lower energy costs. Some common areas to check include weather-stripping around doors, caulk around window frames and any unsealed spaces around pipes; check for air leaks in the attic hatch, around fireplace dampers, mail slots, and wall- or window-mounted air conditioners.
Readers Digest says in an article that Appliances eventually wear out. Certain parts simply fail with time. It’s inevitable. But abuse and neglect can speed up the breakdown rate of stoves, dishwashers, fridges, clothes dryers and washing machines, helping to keep repairmen busy.” Here are some of the most common ways that homeowners contribute to the demise of their appliances, along with advice for avoiding these errors that damage dishwashers washing machines, clothes dryers, lass and ceramic stove tops and fridges and freezers.
The polar vortex has descended with a vengeance on much of the U.S. this year, setting records for low temperatures and threatening to send utility bills skyrocketing. While you can’t do anything about the chilly weather, you can take steps to make your home more energy efficient and pay less for heating. To start, the U.S. Department of Energy has a do-it-yourself energy audit on its website, or you can call a contractor for a professional audit. Homeowners should start with smaller tweaks to their home before making big-ticket purchases. “There are a lot of changes you can do before you get a new furnace,” says Todd Recknagel, CEO of AM Conservation Group in Charleston, South Carolina. What matters most is keeping the warm air in and the cold air out. There are a number of measures you can take to accomplish those goals, from inexpensive, do-it-yourself repairs to more pricey renovations that require hiring a contractor. The areas where you can get the most energy savings for the money are insulation, windows and closing up cracks in walls, around windows and doors and any other spot where air might slip through. See the complete U.S. News and World Reports article.