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dman
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| Joined: | Wed Oct 31st, 2007 |
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Posted: Wed Oct 31st, 2007 07:44 pm |
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Hi i need some help urgently
i have to aquire a tank or tankless water heater
here is the relavant information
No. of persons 3
No. of full bathrooms 3
(2 on top floor, one on the bottom . one of the baths on the top floor has a jetted shower with 4 heads each head does 2.5 gpm and a tub holding 56 gallons)
dishwasher , washing machiene
the electrical service to my home is 125amps 220v
i would like to know what would be the best option for my situation
thanks
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eleent
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| Joined: | Sat Sep 11th, 2004 |
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Posted: Thu Nov 1st, 2007 02:55 am |
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Hello: Your known starting place is the equipment you had in place that must have failed now. What was there and how well did it meet the need? Knowing equipment info doesn't give a clue to how the equipment is used  For example, if you had a forty gallon tank and it met need most but not all of the time, a fifty gallon heater would likely do just fine.
Yours, Larry
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dman
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Posted: Thu Nov 1st, 2007 02:55 am |
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i have been reading the forums and the information provided i would really like some assistance in the choosing of a water heater
also i live in the carribbean so i dont have issues with cold weather
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eleent
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Posted: Thu Nov 1st, 2007 03:01 am |
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Hello: I think we both posted at the same moment! Anyway, as you live in a sunny part of the world, solar heating with a small electric backup might be good way to go. As mentioned elsewhere, reducing the load with a GFX shower heat exchanger or something like it couldn't hurt 
Yours, Larry
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dman
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Posted: Thu Nov 1st, 2007 03:01 am |
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thanks for the reply larry
i realise by your comments that i was not clear
this is my first water heater purchase i just got this house and it has no water heating system
i live in the carribbean and the water here is cold at times but never as cold as the states
i would like to buy a good water heater that would handle my needs and be enrgy efficent
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eleent
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Posted: Thu Nov 1st, 2007 03:06 am |
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Twice posting at the exact same time. Happy Haloween  A simple solar system should meet 75% of your need. Try to figure how many gallons of hot water you'll use in a day. That's the starting point you need.
Yours, Larry
ps. Use as small a diameter PEX tubing as pressure will allow. Google articles on "Structured Plumbing" by Gary Klein.
Last edited on Thu Nov 1st, 2007 03:08 am by eleent
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dman
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Posted: Thu Nov 1st, 2007 03:12 am |
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thanks again
i did investigate solar heating but actually it is quite expensive
i have decided to go for an electric unit
many people have told me to go tankless but when i wrote the manufacturers they said only their largest units might handle the GPM i might use
i also have been looking at tank units but i am not sure about what is a good brand also the size i should get
also i would like a unit that dosent waste energy etc
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eleent
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Posted: Fri Nov 2nd, 2007 04:13 am |
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Hello: Fafco has a low pressure solar unit that might fit your needs. http://www.fafco.com/SolarHotWater/How-FAFCO-Solar-Products-Work.html ...is the link to have a look at their system. Good piping can save you a LOT in terms of water, energy and waiting time. That's why I mentioned Gary Klein. The shower heat exchanger can save you 60% on shower water heating. Efficient, low flow fixtures can save more. Adding it all up, you'll only need a water heater about 25% or 30% as big as if you didn't do any conservation. And then there are the ongoing costs of electricity to think about
Yours, Larry
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