Lime Paint

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 drywall to masonry. It is …

Wet Lead Acid Batteries

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: They need to be equalized …

Gel Cell Batteries

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 part of the house. It …

AGM (Absorbed Glass Mat) Batteries

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 all the electrolyte (acid) is …

“EcoPower” Faucet Recharges Itself

This EcoPower faucet by Toto is the type of faucet that uses a infrared sensor to turn on automatically. What makes this faucet unique is that it harnesses the electrical power generated by its own water flow. It has a miniature turbine generator to maintain its rechargeable battery. It can keep itself charged on as little as 5 uses a …

Excel Hand Dryer Uses 80% Less Energy

This is a hand dryer, made by Excel, that uses 80% less electrical energy than similar dryers. It uses a high velocity fan to dry hands faster (10-12 seconds) by blowing the water droplets off the hands. Hand dryers are more efficient than paper towels in public restrooms. Paper towels have a higher annual cost, use energy to transport, create …

Self-Cleaning Glass: Pilkington Activ Glass

"Pilkington Activ" glass needs little cleaning, reducing consumption of detergent and water. The active glass has a special nano-scale (extremely thin) coating of microcrystalline titanium oxide which reacts to daylight. The reaction breaks down dirt on the glass, and when the water hits the glass the dirt slides off. The chemical used — titanium dioxide is a fairly benign compound …

Waterless Urinals

These waterless urinals are plainly more efficient than the ones currently in use in most bathrooms nationwide. They can save up to 45,000 gallons of water and more per year per urinal. They also require less maintenance, and are less prone to plumbing problems. They have no moving parts. Urine is contained under a special biodegradable liquid called BlueSeal. According …

Hyper-Optimal: Create an Oasis with Greywater

The book “Create an Oasis with Greywater” by Art Ludwig is packed with information about how to reuse greywater by diverting it into your garden. What is greywater? It’s all the “waste” water produced in a house besides sewage — e.g. water from showers, sinks and washing machines. This is a key meta-efficient technique because, when done correctly, and combined …

Swampy IceStrMystr 12-Volt Model IM-30

Notes from Manufacturer: The IceStrMystr IM30 combines ice induced Air Conditioning with the age-old art of evaporative cooling. The cold water rushes through a special Cooling Core to produce air-conditioned air instead of merely evaporative cooled air. You can now choose your own size of cooling container. The water contained in your Ice Chest is cooled by ice or ice …