Ambient Temperature (°F)

*Array size is based on 5 average daily peak sun hours for habitats in space, developed it. Bergeron realized that there was also a need for a solar-electric powered refrigerator here on Earth. In 1999, Bergeron founded Solus Refrigeration Inc. (now SunDanzer Refrigeration Inc.) to make this technology available to consumers.

The SunDanzer has a well-insulated cabinet (produced in Hungary by Electrolux) that features 4.33 inches (11 cm) of polyurethane insulation. This, coupled with a super-efficient Danfoss compressor, gives the SunDanzer its energy edge.

A low voltage disconnect (LVD) built into the compressor electronics helps protect batteries in the event of a very deep discharge of the battery bank. If the input voltage to the

Goodies stay frozen using very little energy in the SunDanzer freezer.

Goodies stay frozen using very little energy in the SunDanzer freezer.

Power supply: Batteries wired for 12 or 24 VDC nominal (automatic voltage sensing)

Gross capacity: 8.1 cubic feet (229 liters)

Exterior dimensions (W x D x H): 46.9 x 26.2 x 34.5 inches (119 x 66.5 x 87.6 cm)

Shipping weight: 160 pounds (73 kg)

Warranty: 1 year

An efficient Danfoss compressor and lots of insulation combine to make an energy-saving freezer.

An efficient Danfoss compressor and lots of insulation combine to make an energy-saving freezer.

freezer falls below 10.4 V (in 12 V mode) or 22.8 V (in 24 V mode), the compressor shuts off. When the voltage rises above 11.7 V (in 12 V mode) or 24.2 V (in 24 V mode), the compressor kicks back on. (All battery-based, off-grid RE systems should have a battery amp-hour meter installed that is regularly monitored by the homeowner. The activation of the built-in LVD feature should never be necessary, but it's nice to have this feature incorporated into the unit to protect the batteries from inattentive homeowners or system malfunctions.)

The SunDanzer's low energy use means that this model can be handled with just a few PV panels. In sunnier, arid or semi-arid climates with at least five daily sun-hours, there's even a batteryless model available for PV-direct use. This model marries a variable-speed compressor with MPPT controls to a nontoxic, low-cost, water-based phase-change material that keeps the cabinet cool overnight.

The SunDanzer is a modern appliance that gives excellent performance with minimal energy use. Besides its thick, insulated walls, a CFC-free refrigerant helps the freezer keep cool. The cabinet is comparable to any freezer on the market, with smooth, cleanable surfaces, handy baskets that hang inside the cabinet, and a tight-fitting, lockable lid. A patented low-frost system reduces frost buildup for easy maintenance. This freezer has been a great addition to our off-grid home, at a very reasonable economic and energy price.


Reviewer: Ian Woofenden, PO Box 1001, Anacortes, WA 98221 • [email protected]

Manufacturer: SunDanzer, 11060 Dyer D-12, El Paso, TX 79934 • 915-821-0042 • Fax: 775-201-0236 • [email protected]

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