What consumes the least electricity on a daily basis – lowering the temperature and keeping the water heater running 24/7 or turning the water heater off altogether except for a couple of hours every day (right before we shower). The second option is the basic concept of using timers, which are known to save electricity, but will I be consuming a lot more electricity by heating the entire tank day after day?
For your expert comments!
Is it possible to get some sort of a solar panel that would provide enough energy to give watts to a electric heater or 2 during winter months to heat a small apartment and save the expensive heat bill at which prices are going will be double by this winter gas and all?
Looking at condos in northern New Jersey and a lot of them seem to be 1970’s built garden apartment conversions to condo and almost all have baseboard electric (or steam radiator) heating.
Generally speaking, how energy inefficient are these baseboard electric units (are new one more energy efficient) and how high to monthly electric bills get with them?
Household water heaters include gas water heater and volume storage-type electric water heaters such as thermal storage-type electric water heaters, solar water heaters and heat pump water heaters. These five categories of water heaters perform differently due to differences in the ways they heat water.
Gas water heaters:
Gas water heaters use flammable gas, and are categorized by form into vertical-type, flue-type, strong emission-type and balanced. Use of vertical-type water heaters can easily result in personal injury and therefore production of these has been outlawed. Flue-type water heaters require installation of a flue and one should make sure that the flue’s exhaust pipe is unobstructed when using. Strong emission-type water heaters force smoke emission outdoors, but the oxygen consumed still comes from indoors. The balanced-type water heater neither consumes nor pollutes the air indoors. However, installing such a water heater requires a dedicated channel as with air-conditioning.
Gas water heaters heat quickly, maintain temperature stability, result in less calcification, don’t take up much space and offer easy control of water temperature. As for the problem of water pressure, consumers tend to have certain misunderstandings; in fact, gas water heaters sold in China basically achieve low water pressure start, in the 0.03MPa pressure, and the water heater could work.
On the other hand, installation is more difficult; holes must be drilled in the wall to install exhaust fans, and for different gases, the burner shape, nozzle size, and gas-channel cross-sectional areas all are different.
Volume storage-type electric water heaters:
At present in the Chinese market, volume storage-type water heaters can be divided into two kinds, closed and open. Open-type water heaters cannot supply water to several areas at the same time, while closed inner electric water heaters can ensure water pressure and can also supply water to many areas at the same time.
Some of its advantages are that it can be used in all types of the weather, and the average family can install and use it with no problems. Electric water heaters with electric shock devices that ensure safety are currently on the market, and they are very easy to install.
On the other hand, they take up interior space, are very big, and waste electricity. The latest electric water heaters contain built-in magnesium anode rod descaling devices, which solves descaling problems. However, magnesium anode rods should be replaced every two years, so maintenance is a problem.
Thermal storage-type electric water heaters:
Thermal storage-type electric water heaters have a large water storage tank compared to volume storage-type electric water heaters, which are relatively small, pretty, and also easy to use.
While the thermal storage-type electric water heater is convenient and
time-saving, it requires large amounts of power and electric current, and it is difficult to install. If electric currents are 30A or so, the power lines must be at least 2.5mm thick, and sometimes more than 5mm. Many buildings cannot meet this demand.
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Tankless hot water heaters, while more efficient and cheaper to use than the traditional water heaters, may not be as cost effective in saving you money on your electricity bill as you first thought, especially if you have a family who likes to indulge in their never ending supply of on demand hot water. The other thing to bare in mind is that the tankless hot water heater has to heat the water up from cold each time your household request hot water. This not only wastes water as the cold water has to be kept running until it runs hot, but uses energy to heat the water. In the winter months, it will use much more energy.
So, it is not strictly true that you will save money when you switch to a tankless hot water heater – it will depend upon your family using it considerately and the time of year for you to make real savings on your electricity bill.
There is a way however to make your tankless water heater an electricity saver. Combine it with a solar energy system and install solar panels. Under taken as a DIY project, you can easily install your own solar panels for as little as $200.
Solar energy can save you a staggering 70% on you electricity bill. It’s clean and free and any excess you produce can be sold back to your electricity company. And by law, they are legally obliged to buy it from you.
A tankless hot water system is a very efficient way to provide hot water for your home. But by coupling it with solar energy, you can make it and exceptionally energy efficient and cost effective domestic utility as well.
To find out more about the tankless hot water heater system and using it solar energy, click this link: http://www.tanklesshotwaterheaterguide.org
Oretta Norris is an expert author and home energy enthusiast. She has written and commissioned several articles on the subject of tankless hot water heaters and solar energy.
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