According to the Rheem website, tall and short tanks have identical energy factors. So replace with the best fit!
Gas heaters are much more efficient. Electric resistance heaters are, by nature, hideously inefficient.
Infared heaters are more energy efficient than the traditional fan type. Always keep ypur heater clear of anything flammabe.
yes, up to 30%
Tankless water heaters are more energy and cost efficient than your typical water heaters. Of course, each person has their own needs and it is always a good idea to weigh out the pros and cons before making any decisions for a change. What works well for some may not work well for other.
not only more efficient, but with tax breaks and gas company credits they are very competitive pricewise if you can find a floor model like i did. even if you can't it will pay for itself in 2 years and has a longer warranty than a tank
Yes, tankless water heaters are more efficient than traditional ones. This is because they only heat the exact amount of hot water you use, rather than continually heating hot water in a tank and having to keep it warm.
Infrared Heaters are generally more cost efficient then regular space heaters. The reason is that they heat the object directly rather then heating the air, so it wastes less engergy. Ive seen estimates that say its as much as 80% more energy efficient.
Quartz Heaters are unique in a number of ways. Most notably, the design of these heaters is such that it is more efficient than ordinary heaters. This allows it to deliver more heat for less cost.
Yes, domestic hot-water heaters are often connected in parallel for added volume of hot water or in series for more efficient heating of the water. In a commercial installation there could be three or more heaters in parallel for increased simultaneous volume and another in series to supply the others for pre-heating to speed recovery to a comfortable temperature.
Yes, the tankless water heaters do cost more than the normal water heaters because tankless water heaters are designed to supply hot water only when needed unlike normal ones.
Gas tankless water heaters use high-powered burners that quickly heat water as it runs through a heat exchanger. It is 22 percent more energy efficient on average than the gas-fired storage-tank models.
Bionaire provides ceramic tower heaters which are safer and more efficient than other types of space heater. They also make a convection type heater that is efficient.