Archive for the ‘Energy Saving’ Category

You not only realize the trend of rising energy costs at the gas station, but also with the yearly increasing heating bills. Energy prices for oil and gas have almost doubled in the last ten years and many energy companies have announced further price increases. If you can imagine that more than sixty percent of the used energy in homes is spent for the generation of room temperature and hot water it becomes quickly clear that here are the biggest saving potentials. Therefore, the renovation of a home or building should not just include new paint, bathroom and kitchen renovations, and or flooring, but also measures which contribute to the reduction of heat loss and gains of the home or building. Energy savings mean cost savings. Money which will be invested into the renovation of a home or building will be paid back over the years and will immediately increase the resale value of a home.

Poorly insulated homes loose heat and cooled air mainly over the roof, poorly insulated walls, windows and doors. Those temperature losses could be easily prevented through a gapless insulation of the building envelop. All areas which are heated and cooled should be properly insulated. Areas without climate control like basements, garages, or unused attics do not need to be insulated. 

Another point to capitalize on is the US EPA and Department of Energy newly expanded tax credit program. Keep in mind that energy efficient products and methods pay back in a reasonable amount of time and the tax credits are just an added bonus. 

Andrew Morrison is the founder of Greenhaus Construction, home builder and remodeler specializing in energy efficient and sustainable building in the San Francisco Bay area.

am@greenhausconstruction.com

http://www.greenhausconstruction.com

*** cusd.cornell.edu *** This video demonstrates the construction of a Home Theater Computer. It was built by myself and other members of Cornell University’s Solar Decathlon Engineering Controls Team. The computer utilizes a Core 2 Duo Processor at 3.0 GHz, a 128GB Solid-State Hard Drive, and a GeForce 9300 GPU included in its Nvidia 730i chipset. It will be served media content from a home server. This computer was built with the following design goals in mind EFFICIENT POWER USAGE: Accomplished by using a low wattage CPU, A Solid State Hard Drive, an 80+ Certified PSU, and a motherboard with energy saving features. EXTREMELY QUIET: Utilizes a Solid State Drive to eliminate hard drive vibrations, 2 silent 120mm fans, and an efficient case structure. HD EXPERIENCE: Integrated GPU provides HDMI HDCP-enabled video output at full HD resolution, while reducing heat and power consumption because of the lack of video card, Gigibit Ethernet enables streaming of content from the house’s multimedia home server, 3GHz CPU provides ample headroom for video decoding. This HTPC will be used in Cornell University’s Solar Decathlon competition in October 2009. Learn more about the team at www.cusd.cornell.edu THE PARTS LIST AND MUSIC (eBeat), ARE AVAILABLE FOR FREE DOWNLOAD AT THE PROJECT PAGE www.ultimatecomputers.net MUSIC BY ALEX MILLER: www.youtube.com

In recent years, the efficiency of refrigerators has increased substantially. Manufacturers have:

• Improved compressors and motors
• Introduced better door seals and compartmentation
• Increased insulation standards

Even though there have been improvements, most fridges and freezers still operate a long way short of the maximum potential efficiency. Average running costs could be cut by half without serious difficulties, as we can see when we realise that the most efficient existing appliances are 50% more effi¬cient than the average. Although a refrigerator uses a relatively small amount of power in use, it is the fact that it is working 24 hours a day 365 days a year, often in the hottest room of the house, that causes it to be one of the highest energy users.

Choosing a new energy-saving triage or freezer:
• Unless you use a large amount of frozen food it makes the most sense to buy a combined fridge-freezer model. The most efficient place for the freezer compartment is at the top so that it can facilitate cooling below.
• If you do buy a separate freezer, then buy a well-insulated chest type which loses far less cold air when opened than an upright.
• Work out carefully the optimum size you need. Both fridges and freezers operate best when at least three-quarters full.
• Automatic defrost models consume far more energy than the manual defrost models. This is because they contain heaters. The fridge is thus working against itself when defrosting and if the fridge is being used inefficiently the energy used can be increased by a further 50%.
• Find a fridge that is well insulated and look for energy efficiency labels.

Energy saving in use
• Energy saving microelectronics have been developed for refrigerators: they help to match the real load on the motor and save up to 20% of energy. These electronics have been incorporated into a special plug called a saverplug which is well worth installing.
• Locate a refrigerator or freezer away from sources of heat such as a stove or direct sunlight. If you have a fridge that is not well insulated you can provide some extra insu¬lation yourself on the top and sides.
• Check the temperature inside the main refriger¬ator compartment and freezer. They should be between 3° to 5°C and -18°to-15°C respectively. If the temperature is outside these ranges then energy is being wasted and the temperature control needs to be adjusted. Fridge and freezer thermometers are well worth buying and placing in your fridge for the occasional check.
• The back of a fridge is a notoriously difficult place to clean. However the coils or fins tend to become sticky and dusty—this acts as an insulant forcing the motor to work harder and waste more energy. Clean with soap and water.
• If you have a manual or partial automatic defrost facility then defrost regularly.
• Test the door seal and check that it is tight. This is equivalent to draught-proofing your fridge. If there is an air leak it can not only lose energy unnecessarily but will require more frequent defrosting.
• Dispose of your fridge where the CFCs can be salvaged. Enquire at your local council to find out where you can take it.

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Coffee-Methode

Draw heat out of the air using air-to-water heat pumps and start saving on heating right away. The new Ecodan heat pump system from Mitsubishi Electric will cut your heating costs by up to 50%. That’s because the heat pump with the unique Zubadan technology ensures 100% efficiency in space and water heating with no energy-intensive heating rods and even on frosty winter days as cold as -15 °C. The Ecodan System is a clever, environmentally friendly heating solution with a 200 l drinking water tank and a quiet heat pump that can be set up flexibly and unobtrusively outdoors. Simple to install in new construction projects or as part of renovations.

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strange way to save energy but could be an idea lol Saving Energy Can Be Easier. 30% Off Energy Saving Light Bulbs. Home & Construction Made Easy

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Energy saving song written and performed by the pupils of 5A & 5B at Collège Jules Ferry, Bourbriac, France during their IDD lessons with Mr Luxton on the theme of … energy saving! Please remember these are French kids around 12 years old when posting a comment. Keep it polite please!

One of the major shortfalls of home energy saving devices of the past was that for the most part, they simply weren’t cost effective. Sure the technology was amazing and very heartening to see it come up, but face the facts. In the end, it was always cheaper to just keep on wasting the electricity. Seriously! Who would spend $100 to save $20? It was, to say the least, a very tough sell.

There Was Always the Convenience Issue

At the same time convenience was always an issue. You see, as much as people wanted and in some cases were even willing to pay for these earlier energy saving products for the home, they tended to be bulky and not very easy to apply. What was need were “simple to use” compact solid state devices that could be simply plugged in and used just like an alarm clock.

TV Standby Time Is Like Throwing Away Money While You Sleep

So now check out new affordable compact power saving devices like  the new PowerSaver TV standby saver. “Say what!?” “So what on earth does it do to save me money?” OK! Get ready because this happens to be one of the most common sense home energy savers out there. What it does is completely eliminate TV power standby time.

This One Pays For Its self Very Quickly – Then the Rest Is Pure Savings

You see, when your TV is turned off, it is still drawing power to remain active for when the clicker is used to turn it on. Up to 70% of normal operating power is used while your TV is “turned off”! This device plugs into the power outlet and then the TV is plugged into it, completely shutting off all power to your TV. Simply press the on button for the TV on your remote and power is resumed to your TV and it comes on just like normal.

Finally Cheap Replaceable Energy Saving “Curly” Bulbs

Another clever innovation involves those energy saving “screw in light bulbs” with the “curly tubes” that replace normal energy gulping bulbs. They are a fantastic bulb but if you’ve gone and checked them out at the home supply store, they can be a little pricey. You see, its the complex electrical hardware contained in their base that keeps their cost up. The “curly bulbs” are in fact cheap to manufacture.

Who’s the Genius That Thought Of That?!

Some solutions are just too easy and its scary that it took so long for someone to figure them out. You see, now you can buy these energy scrimping bulbs as a two part system. This means that while you do pay for the expensive base as with other bulbs of this type, there is one big difference. That is when the bulb burns out, you simply unplug the “curly bulb section” and plug a new replacement back on the base. You use the base over and over again!

No More Wondering About Appliance Energy Consumption

The third device is one that you will wonder how you have been getting along with one all these years without. Its a small compact energy monitor with an easy to read screen. Simply plug it into the wall socket, then plug “whatever” into it and with a quick glance you can see how much electricity the device is using. Hey! Its great for room-mate situations to settle any questions about energy consumption.

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The Energy Smart Community is a scheme that allows you and your local community to join together to improve the energy performance and efficiency of your home, while availing of energy-saving grants from the government.