Category Archives: Negawatts

PLANNING WISELY FOR OFF-GRID LIVING

Here is an excellent article in Home Power magazine about living off-grid: HP133 p88 Toast Pancakes & Waffles: “Toast, waffles, or pancakes: Off-grid living means not that we go without the energy that we need, but that we live more … Continue reading

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LED Lighting Misc.

LED Lighting: Getting It Right Avoiding common misconceptions about LED sources and fixtures Myth #1: LEDs last forever Myth #2: LEDs are not bright enough Myth #3: White-light LED sources produce over 160 lumens per watt Myth #4: Three-watt LEDs … Continue reading

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Under cabinet task lighting

LED Minibar2 – High Output Linkable LED strip $80 each for 20″ long, 6 Watt, qty 12+ These High Power LED fixtures require NO DRIVER, operating directly from a 120 volt source using the included 6 foot plug-in power cord … Continue reading

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Energy efficient DC ceiling fans

Emerson CF955WW Midway Eco Appliance White Energy Star 54″ Ceiling Fan with Light & Remote : 345 Watts/CFM.  This is a huge breakthrough considering that the average ceiling fan only produces approximately 76 CFM/Watt. …  The Emerson Midway ECO is … Continue reading

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Consumer Reports comparisons, refrigerators, showerheads

consumer reports comparisons Highest rated refrigerators: EnergyStar List of Efficient refrigerators LG LFC25776[SW] — $1800 – $2400 Whirlpool Gold GXF5FHDXV[] — $1200 — $1500 Kenmore 7201 — $1524 Low flow Showerheads Moen Inspire 21777 — $50 American Standard Flowise 1660.502 … Continue reading

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More efficient ozone-friendly air conditioner

An air conditioner with VFD condenser, uses R134a or R410a refrigerant which is more ozone friendly than R22.  The condensing unit modulates to meet demand instead of on/off, so is more efficient. Replace the Air-Pro units currently installed in Villas.  … Continue reading

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Energy Efficiency Upgrades for Phase I Villas

Here’s a preliminary list of things that could be done to reduce energy usage in the Villas. It is based solely on observations made in Villa 1A. Other units may be different. Not all items may apply or necessarily be … Continue reading

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Sailboats, Tugboats, Negawatts, Extreme Efficiency

How Low Can You Go? “What do you get when you give an industrious engineer and solar energy enthusiast with an eye on the bottom line the chance to design his own abode? An extreme home—extremely energy efficient, that is. … Continue reading

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