6 Easy Weekend Winterization Projects

by Shana Fong on October 18, 2010
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Winter is just around the corner – time to think about how you can button up your house to make sure it’s comfortable without costing you a fortune in energy bills. The Daily Green has put together a great list of easy weekend projects to help you winterize your home.

  1. Dodge the Draft(s)
    According to the U.S. Department of Energy, drafts can waste 5% to 30% of your energy use. Start simple and adopt that old Great Depression fixture — the draft snake, which you can easily make yourself. Just place a rolled bath towel under a drafty door, or make a more attractive DIY draft snake.
  2. Change Furnace Filters
    Yes it’s easy to forget, but it’s important to replace or clean furnace filters once a month during the heating season. Dirty filters restrict airflow and increase energy demand. Here’s a worry-saving tip: mark a monthly check on your calendar.
    Better, consider switching to a permanent filter, which will reduce waste and hassle. Did you know that disposable fiberglass filters trap a measly 10 to 40% of debris? Electostatic filters trap around 88%, and are much better at controlling the bacteria, mold, viruses and pollen that cause illness and irritation.
  3. Run Fans in Reverse
    Most people think of fans only when they want to be cool, but many ceiling units come with a handy switch that reverses the direction of the blades. Counterclockwise rotation produces cooling breezes while switching to clockwise makes it warmer: air pooled near the ceiling is circulated back into the living space – cutting your heating costs as much as 10%!
  4. Turn Down Your Water Heater
    While many conventional water heaters are set to 140 degrees F by installers, most households don’t need that much steam, and end up paying for it — in dollars and the occasional scalding burn. Lowering the temperature to 120 degrees F (or lower) would reduce your water heating costs by 6% to 10%.
  5. Give Your Heating System a Tune-Up
    You probably already know that cars need periodic tune-ups in order to run their best. Well the same is true for heating equipment. Keeping your furnace clean, lubricated and properly adjusted will reduce energy use, saving up to 5% of heating costs.
    If your entire furnace is in need of replacement, it will cost a lot more — but replacing an inefficient burner for a modern machine will save you every month through the heating season. Be sure to take advantage of federal tax credits for new furnaces, which can cover 30% of the cost, up to $1,500.
  6. Mind That Thermostat
    It’s easy to forget to turn down the heat when you leave the building, but doing so is one of the surest ways to save money. Most households shell out 50 to 70% of their energy budgets on heating and cooling, so why pay for what no one uses?
    For every degree you lower the thermostat during heating season, you’ll save between 1 and 3% of your heating bill. Make it easier with a programmable thermostat; they are widely available for as little as $50, and the average family will save $180 a year with one.

For even higher impact on your home’s comfort and energy bills, contact Recurve so we can provide expertise on projects such as:

  • Air sealing – simple leaks can sap home energy efficiency by 5% to 30% a year, according to the U.S. Department of Energy.
  • Insulation – it may not seem sexy, but insulation is one of the best ways to save energy and money at home.
  • Duct sealing – studies show 10% to 30% of heated (or cooled) air in an average system escapes from ducts. Properly sealing ducts can save the average home up to $140 annually, according to the American Solar Energy Society.
  • Upgrade to an efficient furnace – if your furnace is old, you could save a lot of money in the long run (and improve your home’s value) by upgrading to a new unit.

Where Does Your Money Go?

by Shana Fong on September 29, 2010
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The average yearly energy bill for a typical single-family home is $2,200. Where does it all go?

Source: Energy Star

Stay Warm & Save Money This Fall/Winter

by Shana Fong on September 27, 2010
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Fall is the perfect time to start prepping your house for winter. The U.S. Department of Energy suggests these 5 steps to ensure that your home stays comfortable this winter without costing you an arm and a leg:

  1. Look for rebates from your utility or state. Recurve has put together a handy resource for available incentives on our website.
  2. Get an energy audit. In order to know how to save energy, you have to first find out where you are losing energy – and money.
  3. Have your heating system serviced. Keep your system operating efficiently, and don’t forget to replace your furnace filter once a month or as needed.
  4. Find and seal your air leaks. This includes less obvious gaps such as recessed lights and unfinished spaces behind cupboards and closets.
  5. Check your insulation and add more as needed. Insulation is often the most cost-effective energy improvement you can make in your home.

Home Sick Home

by Shana Fong on September 15, 2010
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It seems like Americans are more health-conscious than ever these days, but do you ever ask yourself how healthy your home is? The Sierra Club has put together a list of 9 home health hazards to be aware of. The high points are summarized below.

1. Radon
You can’t see it or smell it, but radon kills about 20,000 Americans each year. It’s the number two cause of all lung cancers, and the leading cause of lung cancer among non-smokers in the United States.

Retrofitting most homes to reduce radon levels isn’t complicated, but you’ll probably want to hire a state-certified radon mitigation contractor. A basic mitigation system consists of a pipe and a fan that pulls radon from below your house and vents it to the outside, typically through the roof. The cost of reducing radon in a home ranges from about $800 to $2,500, according to the EPA.

2. Volatile Organic Compounds
Volatile organic compounds, or VOCs, are one of the main sources of air pollution in our homes. VOCs are a huge class of carbon-based chemicals that share a common trait: they are volatile at room temperature, meaning they readily release gases into the air we breathe.

The list of health effects from VOC exposure is enough to scare the daylights out of anyone: nausea; cancer; memory loss; eye, nose, and throat irritation; kidney, liver, and central nervous system damage.

3. Problems with Plastics
Although VOCs are the primary indoor air pollution culprit in our homes, they’re not the only chemical that can compromise human health. Many of the “miracle” plastics developed by science and industry in the past half-century turned out to have hidden health burdens. While completely eliminating harmful plastic items from your home may be next to impossible, you can reduce your exposure.

4. Pesticides and Herbicides
Pesticides and herbicides are biocides: they’re designed to kill living organisms. Makers of these chemicals may claim the products are safe when used properly, but why take the chance? Banning pesticides from your home and garden is an especially good idea if you have young children–their developing bodies are particularly vulnerable to pollutants.

5. Mold
You’ve probably encountered the sensationalist media stories about house-eating toxic molds. The truth is, mold spores are floating everywhere, in the air inside and outside our homes. There’s no way to keep mold spores out of the air. The trick to controlling mold in your home is controlling moisture–mold thrives on moisture.

If mold is allowed to multiply unchecked in a building, it can eventually cause serious damage to the structure. It also has the potential to affect health. Not everyone is bothered by mold but for some people, exposure may trigger allergic reactions, asthma episodes, or other respiratory problems.

6. Other Biological Contaminants
Pet dander, pollen, and feces of dust mites and cockroaches can trigger allergic reactions, asthma episodes, and other respiratory problems. Good housekeeping, especially dusting and vacuuming regularly, will help keep these particles in check.

7. Energy-related Risks
Carbon monoxide and other combustion byproducts
Devices that burn fuel inside your home are potential sources of air pollution. Burning gas, heating oil, propane, wood and kerosene produces many potentially harmful fine particles and gases, including carbon monoxide (CO), formaldehyde, and nitrogen dioxide. The minute quantities emitted by a properly functioning, modern fuel-burning appliance don’t typically cause health problems. However, if an appliance malfunctions it can spew potentially harmful, or even fatal, levels of CO and other chemicals into your home.

Electromagnetic fields
Unlike fuel-burning devices, using electricity won’t create indoor air pollution (although electricity generation is a leading source of outdoor air pollution and CO2 emissions). Does that mean using electricity is healthy?

Despite the lack of evidence that low-frequency EMFs cause health problems, some people remain concerned and try to limit their exposure. Easy ways to reduce EMFs include choosing energy-efficient appliances and equipment (our site gives you lots of tips about this) and eliminating “phantom loads” by unplugging appliances and devices that draw energy even when they’re turned off–that includes anything with a transformer, a remote, a timer, or memory.

8. Banned Building Materials
Millions of homes harbor lead-based paint, asbestos, and toxic wood preservatives. All three have been banned from building products, but they continue to plague building owners and occupants.

9. Emerging Concerns
There’s lots of good news on the home health front. Lead-based paint and asbestos have been banned for three decades. Radon can be a problem in some homes, but it’s not too difficult to take care of. Mold problems can almost always be solved by drying up the source of moisture. More and more people are becoming aware of potential hazards associated with VOCs, vinyl, and pesticides and are choosing alternatives that are safer for their families.

But it’s not as if our homes will soon be completely safe. New products and technologies are being introduced all the time, outpacing the efforts of risk assessment scientists, regulators, and health advocacy organizations to keep up.

Click here for the full article on Sierra Club Green Home.

SF Offering More Efficiency Rebates

by Shana Fong on September 7, 2010
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The city of San Francisco has started to offer up to $2,000 in incentives for energy efficiency improvements. According to the San Francisco Business Times, the program is funded by a $3.2 billion program from the American Recovery and Reinvestment Act. California was awarded $49.6 million from that for its Energy Efficiency Conservation and Block Grant Program. San Francisco got $7.7 million, which is enough to fund 400 energy efficiency upgrades, said Raymond Manion, energy specialist at the San Francisco Department of the Environment.

These rebates can be used on top of the latest incentives from PG&E (up to $3,500). And combined with federal rebates and the Cash for Appliances program, homeowners can get a total of up to $8,000 for making their home more energy-wise. Sounds like a win-win situation for everyone!

Contact Recurve today at 877.303.0979 to get started. Hurry though – these funds are extremely limited. Cash for Appliances is 60% gone and tax credits expire this year.

Americans Don’t Know Jack About Saving Energy

by Shana Fong on August 19, 2010
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In this illuminating post by Grist, we learn through a recent survey by The Earth Institute at Columbia University that Americans really don’t know jack about saving energy.

The largest group, nearly 20 percent, cited turning off lights as the best approach—an action that affects energy budgets relatively little. Very few cited buying decisions that experts say would cut U.S. energy consumption dramatically, such as more efficient cars (cited by only 2.8 percent), more efficient appliances (cited by 3.2 percent) or weatherizing homes (cited by 2.1 percent).

About 2.8 percent of those responding said they could save energy by sleeping or relaxing more, compared with 2.1 percent who said they could do so by insulating their homes (can you guess which is actually more effective?).

Jonathan Hiskes of Grist asserts:

The theme of the confusion was that participants tended to name steps that involved doing less or using less of things — turning off lights, turning down thermostats — rather than solutions that allow them to get the same amount of light and heat through less energy (via insulation and LED bulbs). That gets at a key difference between conservation and efficiency. The first means using less; the second means getting the same results through more intelligent use of resources. Both have a place, but it’s a problem if people understand all of efficiency as “sacrifice.” A home retrofit that cuts $500 off your heating bills for the year isn’t a sacrifice — it’s a financial and environmental win.

Eco-Cooling Tips for Your Home

by Shana Fong on August 18, 2010
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Here’s a piece written by Matt Golden and Jess Chamberlain for Sunset Magazine on best practices for keeping your house cool, the environmentally friendly way.

To keep a house cool, it’s really about either:

  • Keeping the sun out, or
  • Keeping the air cool/conditioned

In a retrofit situation, you have to first assess what your possibilities are:

  • Is there an attic we can insulate?
  • Are there eaves that are blocking some of the summer sun?
  • Is there an existing cooling system?

This really affects what the best approach to take is.

For an average house in a cooling climate with an attic, we’d recommend reducing the cooling load as much as possible and utilizing passive cooling:
1. Air sealing
2. Adequate attic insulation (min. R-38) to create a thermal barrier
3. Radiant barrier, if there are ducts in attic; on roof decking or in attic
4. Low-E glazing on windows
5. Whole-house fan

This route is very cost-effective from a long-term standpoint; i.e. you’re not paying to condition the air, you just pay for the equipment and installation.
The other option is to actively cool the house, in which case you’d invest in the fundamentals (such as air sealing and insulation), then install a high SEER-rated AC unit (min. 16-18 SEER rating) designed to ACCA’s manuals J, S, D & T. If air handling equipment is located in the attic we would recommend encapsulating the attic with air-impermeable spray foam and bringing the attic into the building envelope. This prevents hot attic air (150˚F+) from infiltrating the duct system.

Easy Cooling Tips:

  • Keep your AC unit in the shade
  • Keep the coils clean
  • Install high efficiency lighting (it keeps house cooler)
  • Turn plug loads off
  • Stop the sun before it gets into your house – use external shading, overhangs, and deciduous trees
  • Low-E coating on windows

Home Performance 101 – How Well Do You Know Your Home?

by Daniel Bell on August 13, 2010
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The first in the Green Footprint series, Home Performance 101 focuses on your home as a system and presents ways to cost-effectively improve your home’s energy efficiency.

This video features one of Recurve’s Home Performance Specialists, Daniel Bell.

Green Footprint: Home Performance 101 from Foster City TV on Vimeo.

Tanks a Lot

by Shana Fong on August 4, 2010
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In the average American home, the water heater is the second or third largest energy user.

As long as you can get a hot shower in the morning, you probably don’t think too much about your water heater. But this mysterious appliance has a huge impact on the environment. Based on the California Energy Commission’s estimate of energy use in a typical household, water heating consumes about 31% of the energy used.

Energy Facts

  • Between 15%-30% of the energy your water heater uses goes to keeping a tank of water hot, just in case you need it.
  • Hot water heaters have adjustable thermostats. For every 10° you lower the water temperature, you can save 3%-5% of your water heating energy.
  • The heat that escapes through the sides of the tank is especially important if it’s in an unheated spot like a basement or back porch. A water heater blanket can save 5%-10% of the energy you’ve been using.

Simple Ways to Save Energy

  • Adjust the temperature setting on the water heater to 120°F. If you have a dishwasher that cannot heat water with a built-in booster heater, set the water heater to 140°F. Electric water heaters have two thermostats that should be set the same. Use a thermometer at the faucet to gauge water temperature. Don’t rely on the dial on the heater; they’re generally inaccurate. With electric water heaters, turn off power to the tank before adjusting the themostat.
  • Put your hand on your water heater. If it feels warm, install an insulating blanket around it. The colder the area the heater is in, the greater the heat loss. So if it’s in the garage in the winter, you’re going to lose a lot of heat.
  • Insulate the hot and cold water pipes leaving the tank, wherever they are accessible. Cover at least the first five feet (preferably ten) and keep the insulation three inches away from gas flues. Foam sleeves or adhesive-backed foam tape are available at hardware stores.
  • When replacing an old tank, make sure the new one is the correct size for your family and is energy efficient.
  • Electric water heaters should be turned off if you leave home for more than a few nights. It takes about four hours to reheat the water when you turn it back on.

Excerpted from 30 Simple Energy Things You Can Do To Save The Earth, by The EarthWorks Group.

Home energy fixes for under $100

by Shana Fong on July 21, 2010
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Here are some easy and effective home energy fixes you can do around the house for $2 to $90:

  • Light switch and outlet sealers: under $5
    Two of the most frequently overlooked sources of air leakage in a home are light switches and outlets. Dodge those drafts by sealing up any switches and outlets where you can feel a draft on your hand.
  • Hot water heater pipe insulation: $2 per foot
    Use this cost-efficient fix as a quick way to reduce wasted energy on water heating. Insulating just the first 6 feet of pipe from your water heater will cost $12 and will save you over $5 a year on water heating while reducing CO2 emissions by more than 55 pounds. We typically recommend insulating the first 10 feet of pipe.
  • Monitor your meter: $20
    Purchase a Kill A Watt electricity monitor and plug in your appliances and electronics to find out which ones are the biggest energy culprits. Use this to inform your future upgrade decisions or see how much energy you can save with easy adjustments like turning down your refrigerator’s temperature.
  • Smart powerstrips: $20-90
    Cut back on phantom power by plugging electronics into smart powerstrips, such as the one by Wattstopper which turns devices on and off based on occupancy and uses a motion detector to manage energy use. Our recommended smart strip is Belkin’s Conserve.
  • Faucet aerator: $2
    These handy products are one of the least expensive ways to increase your water efficiency by mixing air into the water stream. When installed, each aerator will save 500-2,000 gallons of water a year.
  • Chimney balloon damper: $35-50
    The fireplace is a common area for heat loss in your home, as most dampers don’t work well and many older homes don’t have them. Inflatable balloon dampers fit in most chimneys to keep heated air in, and you can remove them whenever you want.
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