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Ferret out waste to trim your energy costs

Changing to compact fluorescent lightbulbs will save electricity — and dollars.

Associated Press (2009)

Changing to compact fluorescent lightbulbs will save electricity — and dollars.

A lot of the energy you're paying for is squandered through air leaks around doors and windows, or through cable boxes and appliances that sap energy when no one is around. Before you shell out the cash for a professional home energy audit, however, here are some do-it-yourself ways to measure — and then curb — your energy use.

Measure it

The average household will spend about $2,140 on residential energy consumption in 2010, according to the Washington-based Alliance to Save Energy. What's running up that bill? A home power monitor is one way to find out, said Tom Simchak, a research associate at the Alliance to Save Energy.

Simchak said he purchased one — the Energy Detective, or TED (theenergydetective.com) — for about $200. It's connected to his circuit-breaker box and to his Internet router. The monitor records and calculates the cost of his electricity use and sends that information (current and projected consumption, plus cost, among other things) to a small box with an LCD display that he keeps in his living room.

The monitor also sends the information to his laptop, where TED's proprietary software lets Simchak assess his energy-use history and projected use in greater detail. In addition, the monitor uploads the data to Google PowerMeter, a free online home energy monitoring tool (google.com/powermeter).

Although the power monitor won't tell you how much energy each device is consuming, Simchak said the real-time data makes it easy to figure out. "When you hear the air conditioner click on," he said, "power consumption goes up by seven or eight times."

A cheaper alternative that does give you information on specific devices' energy consumption is a kilowatt meter, which measures the energy use of any device plugged into it. You plug the meter into a wall socket and then plug the device into the meter.

The kilowatt meter can't measure an overhead light or other devices hardwired into your home, but "it's still a useful tool," said Reuven Walder, a professional energy auditor in Rockville, Md. He sells a kilowatt meter for about $30 at his store, Ecobeco (ecobeco.com). Walder said it might surprise you, for instance, just how many kilowatts your cable TV box uses — it can add up to $30 to $50 a year.

Curb it — and save

Some simple steps to reduce your home's energy use:

A smart strip eliminates vampire energy — the energy devices consume when they're switched off. Smart strips, which retail for about $30, plug into the wall and also work as surge protectors. The strip's sensor cuts the power to devices plugged into it when they're switched off.

Check doors and windows for gaps around the frames. "Insulation is important any time of year, but in the summer you don't want to waste all that energy on AC that's just going to escape through your door," Simchak said. Walder suggests looking at windows and doors every season. Many of the air gaps you find can be sealed with caulk or spray foam.

Walder and Simchak highly recommend buying a programmable thermostat to better regulate your use of your air conditioner, and the heating system in winter. You can save around 10 percent a year on energy bills by lowering your thermostat by 10 to 15 percent for a minimum of eight hours daily, Walder said.

Little things help

Some other low-cost or free energy-saving moves:

Regularly dust off the coils under your refrigerator so it doesn't have to work as hard to stay cool.

Install low-flow faucets (with an aerator so the water doesn't just trickle out).

Replace incandescent lightbulbs with more-efficient fluorescent or LED ones.

Consider checking out Microsoft-Hohm.com. The website details the average energy use of homes nationwide.

Simchak said these energy-saving steps don't require technical know-how. "I haven't done anything a normal person can't do," he said. "It takes a little time and effort. But with all these products available, regular folks can do them just fine."

. FAST FACTS

Home energy audit

Tampa Electric and Progress Energy offer free home energy checks. Both have online audits, and offer free in-home visits.

TECO:

Go to tampaelectric.com/residential/saveenergy. In Hillsborough, call (813) 223-0800; in Polk County, call (863) 299-0800.

Progress Energy:

Go to progress-energy.com/custservice. Click "Residential: Florida," then "Home Energy Check." Call toll-free 1-877-574-0340.

Ferret out waste to trim your energy costs 09/03/10 [Last modified: Friday, September 3, 2010 5:30am]

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