An HP copier is very effecient and effective.
LG brand is considered the most cost effective and energy efficient brand for washers and dryers.
Currently Friedrich offers the most choices in energy efficient air conditioning
I have no experience in this, however A. O Smith claims that there brand of gas water heaters are the most efficient. They also offer a hybrid water heater.
i think samsung
No, but most of the anderson brand windows are energy efficient windows. they help in maintaining the temperature in the enclosed area they are applied in.
There hasn't really been a brand of semi trucks recognized as the most fuel efficient. Since they run on diesel a more efficient fuel, semi trucks already are more fuel efficient than cars in terms of size and power.
Brands that make cellular shades are more energy efficient window blinds.
Color and Digital Copiers tend to be the most expensive, and they need servicing much more frequently. Also, the price depends on the speed of a copier and the brand that you buy the copier from. Some brands offer their products for lower prices than other companies do, for basically the same product.
mostly skoda for diesel engined cars.
I manage a call center and we print thousands of orders a day. I've used a few different brands, and thus far Ricoh has by far been the fastest and most efficient. Even on a black and white laser, everything looks clear and crisp. It's been a great change for us.
Mercedes benz, mostly the SLR McLaren
The most energy efficient commerical refrigeratiors would be anything within the JE brand , they make everything energy efficent these days and more enviromentaly friendly .