DIY Chatroom Home Improvement Forum

DIY Chatroom Home Improvement Forum (http://www.diychatroom.com/)
-   Project Showcase (http://www.diychatroom.com/f49/)
-   -   Simple Solar Hot Water Box (for domestic hot water) (http://www.diychatroom.com/f49/simple-solar-hot-water-box-domestic-hot-water-164562/)

TheyCallMeDave 11-24-2012 04:27 PM

Simple Solar Hot Water Box (for domestic hot water)
 
http://rimstar.org/renewnrg/diy_pex_...thermal_dn.htm

The total cost to build and install myself was about $400 total. I got my money back on it in approx. 1.6 years . In the link, it shows pictures of the construction of the box / a piping diagram / and test results. Its been in operation for about 2 years now and it puts out some good quality hot water that i have to mix in some cold water at the shower faucet . Plenty hot enough for the auto dishwasher too. Last year, i ran my electric water heater about 8 times total under heavily-cloudy skies ... otherwise , I get all the hot water i need from free solar energy. Its not a draindown system and i dont use anti-freeze liquid in it -- havent had any incidents even with the overnight temperature reaching 22 f a couple times.

Just a headsup in case youre considering it. My chief aim was to make it as simple and low cost as possible and to meet my hot water needs as a single occupant .

jakeubu 11-25-2012 02:19 PM

That's great! Its always nice to get your money back:thumbsup:

oh'mike 11-25-2012 02:33 PM

I built a swimming pool heater some years back using an old sliding patio door section--and 3 rolls of black garden hose--tie strapped to a shallow wood box----

It got so hot I had to add tempering valves to keep the pool from overheating.

Thanks for the how-to----yours sure does look simple to construct---

TheyCallMeDave 11-26-2012 08:33 AM

Quote:

Originally Posted by oh'mike (Post 1060108)
I built a swimming pool heater some years back using an old sliding patio door section--and 3 rolls of black garden hose--tie strapped to a shallow wood box----

It got so hot I had to add tempering valves to keep the pool from overheating.

Thanks for the how-to----yours sure does look simple to construct---

Yes, theres YouTube videos on guys that have done what you did to heat your swimming pool. Very low cost approach.

One might think that my 6 gallon capacity Solar Water Heating Box wouldnt be enough capacity for a 10 min. shower...but when you have to temper it down alot with cold water, the hot water flow is very small -- especially in the summer when that water is pushing 160 f .

I wanted to build a very low cost and simple System that didnt use a pump or elaborate costly collector .

Just for grins, i thought about fabricating some reflectors to intensify the solar light on the Pex Tubing just to see how hot i could get the water . This is commonly done for a Solar Oven application for cooking food.

cleveman 11-26-2012 08:41 AM

Has there ever been a better reason to add a location to a profile?

TheyCallMeDave 11-26-2012 09:30 AM

Quote:

Originally Posted by cleveman (Post 1060695)
Has there ever been a better reason to add a location to a profile?

Im located in Northern Florida .... very close to Tallahassee, Fl.

Regards, David Norman.


All times are GMT -5. The time now is 12:39 PM.


Copyright 2003-2014 Escalate Media LP. All Rights Reserved