Efficient things
Efficient things
These Coolmatic Waeco coolers are built with the Danfoss BD35F compressor from Denmark, which means they run extremely efficiently on 12/24Vor AC power. The 28 gallon model above consumes only 65 watts on average (45 watts on 12V DC). You can get an insulating protective cover to make them even more efficient. The coolers also […]
Most Efficient Portable Coolers: Coolmatics Read More »
Energy Consumption: 18 or 24W DC Dimensions: 12" H x 12" L x 9" Weight: 2 lbs. Best Price: $202 (Alternative Energy Store) or $259 (Southwest Solar) Notes from Manufacturer: World’s lowest energy using cooler. Evaporative cooling for RVs, boats, cars, tents and small rooms at a fraction of typical air conditioning energy costs. Cools
Kar Kool – Portable DC Evaporative Cooler Read More »
Although not the most efficient cooler, we like the fact that this cooler can be powered by so many energy sources. Notes from Manufacturer: Large enough to hold six 6-packs. Lightweight and compact with rugged turquoise plastic exterior. Comes with ice cube tray, thermostat and push button piezo igniter. Works with three different power sources:
Servel Portable Fridge (LP Gas, 120V AC, 12V DC) Read More »
This is the perfect paint for people who love the dappled, richly textured look of old plaster but find themselves surrounded instead by flat drywall. It is sold as a powder, made according to a recipe that’s been around since the time of the ancient Egyptians. As you need it, you mix it with water
Milk (Casein) Paint Read More »
This paint is made from natural ingredients and does not contain acrylics or other plastics. The lime in it is slaked, meaning it cures by reacting with oxygen in the air. Other ingredients include a type of clay, marble dust, a natural glue and water. This paint works on all wall surfaces, from wood to
Wet Lead Acid batteries are the most common batteries used in energy systems because of their price, local availability, and ease of recycling. A properly maintained lead acid cell will last about ten years. This type of battery will deliver about 1000 full charge-discharge cycles. The drawbacks of Wet Lead Acid Batteries include the following:
Wet Lead Acid Batteries Read More »
Gel Cell batteries are also lead acid but the electrolyte is in gelatin form instead of liquid. Thus, they need no maintenance — water does not need to be added, and it doesn’t corrode. They can also be stored in any position and since there are no dangerous fumes, they can be placed in any
Gel Cell Batteries Read More »
AGM is a newer type of sealed battery uses “Absorbed Glass Mats”, or AGM between the plates. This is a very fine fiber Boron-Silicate glass mat. These type of batteries have all the advantages of gelled, but can take much more abuse. AGM batteries have several advantages over both gelled and wet (flooded) batteries. Since
AGM (Absorbed Glass Mat) Batteries Read More »