Solar Evacuated Tubes: Free Hot Water

For solar water heating in your home, there are basically two types of solar collectors: conventional flat-plate collectors and evacuated tube collectors. Evacuated tubes have a number of advantages: the work on overcast days, in colder weather, and the tubes can be installed and replaced individually without special tools.

Philips’ New “Simplicity” LED Bulbs

Philips LED Bulbs

The new LED light bulbs from Philips will change color and brightness with one touch, squeeze, or turn. They are also energy efficient and last 10-20 years. Good work. Expect to see these in coming months or years. These LED bulb designs are part of the Philips Sense & Simplicty design project, which the company […]

Hoky Carpet Sweeper by Oreck

Carpet Sweepers are a great non-electric way to clean carpets quickly. So a recent review of a Hoky Sweeper on Cool Tools, caught our eye: You’ve probably seen Hoky Sweepers used in restaurants and hotels. They just plain work. No electric, no plugs, no noise & lightweight. So convenient to grab for a few second […]