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Major Appliances

Standard AC electric motors in washing machines, larger shop machinery and tools, swamp coolers, pumps, etc. (usually 1/4 to 3/4 horsepower) require a large inverter. Often, a 2000 watt or larger inverter will be required. These electric motors are sometimes hard to start on inverter power, they consume relatively large amounts of electricity, and they are very wasteful compared to high-efficiency motors, which use 50% to 75% less electricity. A standard washing machine uses between 300 and 500 watt-hours per load, but new front-loading models use less than 1/2 as much power. If the appliance is used more than a few hours per week, it is often cheaper to pay more for a high-efficiency appliance rather than make your electrical system larger to support a low-efficiency load. Vacuum cleaners usually consume 600 to 1,000 watts, depending on how powerful they are, about twice what a washer uses, but most vacuum cleaners will operate on inverters larger than 1,000 watts since they have low-surge motors.

Small Appliances

Many small appliances such as irons, toasters and hair dryers consume a very large amount of power when they are used but by their nature require very short or infrequent use periods. If the system inverter and batteries are large enough, they will be usable. Electronic equipment, such as stereos, televisions, VCRs and computers have a fairly small power draw. Many of these are available in low voltage DC as well as conventional AC versions. In general, DC models use less power than their AC counterparts.

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GOT SUN? GO SOLAR BOOK
$17.50
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Get Free Renewable Energy to Power Your Grid-Tied Home Learn More
THE SOLAR ELECTRIC INDEPENDENT HOME BOOK
$17.50
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One of the most comprehensive introductions to Photovoltaic Solar systems. Learn More
PV/GENERATOR HYBRID SYSTEM FOR YOUR PV HOME BOOK
$7.95
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PV/Generator Hybrid System for Your PV Home Book Learn More
BATTERY BOOK FOR YOUR PV HOME
$7.95
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Battery Book for Your PV Home Learn More
RAIN COLLECTION FOR THE MECHANICALLY CHALLENGED BOOK
$17.49
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This 108-page handbook covers everything from determining how much rainwater you need to collect, to trouble-shooting a problem pump. Learn More
SUN-MAR DRY COMPOSTING TOILET - BONE
$320.00
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This elegant Sun-Mar Dry Toilet is designed for use with the waterfree Centrex 2000 AF (Air Flow) family and Centrex 3000 AF family of central composting systems. Learn More
SUN-MAR EXCEL NE NONELECTRIC COMPOSTING TOILET - WHITE
$1,545.00
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Same as "EXCEL" but with no electric features.
Residential/Continuous - 3 Adults or Family of 5
Weekend and Vacation Use - 6 Adults or Family of 8 Learn More
SUN-MAR COMPACT COMPOSTING TOILET - 115/230 VOLT AC, WHITE
$1,685.00
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Medium capacity, electric unit, NO footrest.
Residential/Continuous - 1 Adult
Weekend and Vacation Use - 3 Adults or Family of 4 Learn More
SUN-MAR MOBILE COMPOSTING TOILET - 115/230 VOLT AC, BONE
$1,675.00
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For fore and aft and RV installation - AC only on heater.
19.5" x 23" footprint, 3" vent, 4-watt 12 volt DC fan, 115 volt AC base heater.
Composting Capacity:
1 Residential/Continuous: 1 Adult
Weekend & Vacation: 3 Adults or Family of 4 Learn More
SUN-MAR CENTREX 1000 (AC) CENTRAL FLUSH COMPOSTING TOILET SYSTEM
$1,745.00
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Electric unit, side vented 27" high, use with low flush toilet.
Weekend and Vacation Use Only - 5 Adults or Family of 7

NOTE: Check related products for conversion kits to convert this toilet from AC to DC or to use a waterless system. Learn More

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