It is very difficult to say which is the best water heater. There are none better, but different products that can meet the specific needs of each user, with reasonable variations in consumption, capacity, dimensions and practicality, among other variables.
To assist in the choice of your heating system, we will explain a little of each, their advantages and disadvantages. It is always good to have someone with experience in this area at the time of his selection.
Just look through a company selling water heaters that is reliable, preferably one that works with various types of heaters to ensure unbiased advice by the seller.
Hot water systems: what is the best choice?
Gas Water Heaters
Gas heaters are basically divided into two groups: with deposit and no deposit. They can use natural gas or LPG.
No Deposit Gas heaters
In these models, the water is heated gradually as it passes thereby. The heating occurs by passing water through a system known as serpentine located around a combustion chamber, without having a reservoir for the accumulation itself.
There are many models, from simple, mechanical, to the modern electronic models with digital controls.
Gas storage heaters
In these models the heating occurs by the passage of water through the same system of serpentine. The difference is that they have a buffer tank, where the water already heated in boilers which are installed roofs generally stored.
The fact of having a greater capacity than the heater without deposit allows it satisfies various consumers, or a point of great demand as a bathtub, for example. Its size, however, is much higher than those without deposit.
Electric Water Heaters
Electric heaters are also heaters can be divided into deposit and no deposit.
No deposit electric heaters are the most common, but those with more disadvantages. They are less effective than those with deposit and usually installed directly at the point of use.
Its advantages are low cost and ease of installation. Electric showers, faucets heaters (installed under or over the sink) and the like are such heaters.
The electric heaters with tank are often called boilers. They have as the gas with a large cylinder warehouse storage. Water collects inside the cylinder and remains hot due to electrical resistance.
The advantages of this system are its effectiveness in the production of hot water, as the water quickly league the point of consumption and the opportunity to supply MUHC outputs.
The disadvantage of this system is the high energy consumption because it works continuously to keep the water warm. To reduce energy consumption, however, you can install a timer that activates the system at any scheduled time (at the time when we got to acasa, for example), leaving off when we are not.
The solar heaters have gained enough space in recent years and more recently, have been in vogue as a way to improve the energy efficiency of buildings, making them more sustainable.
The system requires space and exposure to sunlight, so it is usually installed on the roofs of houses. It consists of a number of heating panels are traversed by water, by a pump connected to a cylindrical tank.
This cylinder also has a resistance and functions as an electric boiler, is to keep hot water at night, either in days of little sunlight.
The solar system has a higher installation cost than other heating options, but the reduction in their electric bill and gas compensates, after a certain period of use, the investment made.
In addition to the types described above, there are a number of communal heaters and boilers, which are common in apartment buildings, hotels, hospitals. These can run on gas, electricity or coal.