Posts by Mr Green

Deelat Solar Garden Landscape Light 100 lumen

Much of the world has experienced a warmer sunnier summer this year. Here in the UK we’ve seen more hours of sunshine that in many previous summers. Modern solar technology has stepped in to give us many ways to make use of all that beautiful energy even when the sun goes down at night.
We’ve been reviewing a pack of six luxurious garden solar lights by Deelat.com

Read More

How can you get the full 43.3p/kWh rate for solar?

For several years people with solar panels on their home have benefited from 43.3 pence per kwh generated for 25 years, plus savings on their electricity bill. However, the Government have just dropped the FIT to 21 pence, with effect from 12 December 2011. What does this mean for the future of solar?

Read More

Quanta LEDs with a twist of decor

In our review about the Quanta 18 LED from Eternaleds, I talked about a little trick to improve the light distribution and dispersion. LEDs are not especially good at being a general room light, as they tend to be directional and produce harsh shadows. The Quanta range from Eternaleds are designed to be  floodlight replacements,…

Read More

LED review: best 100 watt alternative from EternaLEDS

The Quanta PAR38 LED from Eternaleds runs off just 18 watts of mains electricity, and outputs light equivalent to a 100 watt incandescent light bulb. The quanta PAR38 is a simple screw in retrofit unit that will easily replace your conventional E27 floodlight or spotlight bulbs. When you do so, you can sit back and…

Read More

LED colour quality, CRI and binning.

One main criticism of LEDs used for room and space lighting is that the colour or hue of the light appears cold and harsh. Some LEDs appear as tiny, brilliant lights that are too bright to look at, but seem to give very little illumination. There is a quantitative measure of the ability of a…

Read More

What’s the point of LED lighting?

Light Emitting diodes (LEDs) are not a new invention. The LED was first invented in Russia in the 1920s, and introduced in America as a practical electronic component in 1962. Oleg Vladimirovich Losev was a radio technician who noticed that diodes used in radio receivers emitted light when current was passed through them. In 1927,…

Read More

LED lighting can be off the grid and FREE

After my article yesterday on LEDs a new generation of lighting I had a nice email from Jeff at EternaLeds.com Jeff Detailed how his company had progressed through similar issues of low powered LEDs with poor quality of light. They are now providing an excellent range of LED lights for the US market (110-120 volt)…

Read More