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When it comes to heating water, there are several different ways to go. The most popular of water heaters are surely hot water gas heaters. This type of heater is the most economical. However, modern technology offers several other options for heating water. Electric and solar heaters are popular on the market. But most people still prefer good old gas water heaters. Is there a reason for it? What are the advantages and disadvantages of gas heaters compared to other types?

Other types of water heaters

Hot water gas heater is not your only option. There are several other heaters, you can use where gas supply is not readily available. For example electric water heater is in high demand and many people prefer electric to gas. However, gas water heaters are still the most popular and majority of people who buy heaters, buy gas water heaters.

Instant hot water heaters

A recent invention is a tankless water heater. This type of heater brings you hot water the moment you turn the tap on. As the name suggests tankless heaters have no storage tank for water, they heat it as you use it. They are also called instant heaters. This is very much appreciated by many people because now they can take bath anytime without having to worry of switching on the geyser 20-30 minutes ahead of time. Also if many people take a shower one after the other, an instant water heater is a great advantage – you will not run out of hot water.

Solar water heaters

Solar water heaters are also a great advance in technology. With light capturing panels installed on your roof, solar heaters use the sun as an energy source. So in theory, solar heater is free all together, apart from the initial installation cost. However, the initial cost is very high. And also if there are several cloudy days, your solar water heater stops working.

And still most people prefer gas water heaters, because it is simple and also economical. It is really much cheaper than any of the electric or solar heaters, including tankless varieties.

Gas water heater disadvantages

There are some drawbacks to gas hot water heaters. First, compared to electric heaters they are slow. Second, you can only use natural gas heater where there is gas supply. But on the bright side, if you want your water cooler, you can turn gas heater down straight away, and get the exact temperature you like.

About the Author: Visit Heaters Guide for detailed comparison of different styles of water heaters to find the heater that will suit your family best








    *Note: If you have a terra cotta clay chimney
    flue lining, be sure to measure the true length and width of the
    inside of your chimney flue space.

    *If there is a terra cotta clay flue liner, does it protrude out of
    the top of the chimney at least 2 inches? If there are at least 2
    inches and the terra cotta clay is in good condition, you will use
    our stainless steel, terra cotta top plate that has a 1 1⁄2inch edge
    that goes all the way around (like a shoebox lid).

    *If your terra cotta clay flue is in bad shape at the top, you may
    need to just take a hammer and tap all around that terra cotta,
    taking it away to make the surface flat at the top of your chimney.
    In that case, you will simply use the flat top plate that comes with
    our liner kit.



    *Note: If you have a terra cotta clay chimney
    flue lining, be sure to measure the true length and width of the
    inside of your chimney flue space.

    *If it is on the back of the stove, is it parallel with the back of the stove or is it at an angle, like 45 degrees?

    *If it is at an angle you will use an insert stove adaptor (an insert liner kit) rather than a two-part tee with cleanout cap.


    Usually pellet stoves have an exhaust hole id of 3 inches. However, if you are going up more than 15 feet to the top of your chimney you need to use a pipe and/or flex liner that is 4 inches diameter.





    If you are only venting a hot water heater then the exhaust hole diameter is probably 3 inch diameter. If it is 3 inch diameter and you are going up more than 15 feet to the top of your chimney, you must use a 4 inch diameter flexible liner or ridged pipe for proper draft. We also suggest to go ahead and use a 4 inch diameter flexible liner or ridged pipe even if the total length is 15 feet or less.


    Not the depth or any other dimension inside your fireplace.

    Most gas log fireplaces require an 8 inch liner kit or rigid kit. But do not assume that is the case for the gas log fireplace kit you are installing. Obey the requirements for that specific unit that are in your installation/instruction manual.

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