DIY Solar Water Heater! - Solar Thermal COPPER COIL Water Heater! - Easy DIY (Full instr.) 170F
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- Опубликовано: 23 авг 2016
- DIY Solar Water Heater. A Homemade "flat panel" COPPER COIL Solar Water Heater. Easy DIY. Full Instructions. super hot temps (sustained at 165F+). fast hot water. no electricity needed. easily hooks up to standard water tap/garden hose. reaches temps well over 150F (water pasteurization temp) so it works to clear/kill any pathogens (if a non-municipal source is used). it's super portable so it's good for camping/off-grid/emergency as well as everyday use. couple of notes: water flow rate verified with a measuring cup and a stopwatch. (roughly 1 oz. of hot water every 1 to 1.5 seconds and scaled up - one gallon every 2-3 minutes or 20-30 gallons per hour). about the copper tubing: a 50 foot roll of tubing is much cheaper than smaller rolls connected. *only $24.95 for 50 ft (but $17 for a 20 ft roll and $10 for a 10 ft roll). the glass is just standard window glass and the paint is flat black. it's thin flat design allows it to be easily stored in a closet, under the bed etc... *"seal it" according to your climate conditions and whether you plan to leave it outside.
UPDATE: (06/01/2018)… if interested, here’s a youtube video link to my other (most current) copper coil water heater. It’s of a similar design but is lined with aluminum sheeting and uses larger diameter coil. • DIY Solar Water Heater... 
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I had an uncle who built a system larger than yours (same idea) and mounted it on top of his garage. He ran the tube of heated water into his pool - he had 90+ degrees of in his pool in winter! Good job.
T C , What part of the U.S. did your uncle live? (Assuming he lived in the U.S.) I'm trying to get ideas for my pool where I live in East Tennessee at about 1,000 feet above sea level. Do you recall how big his system was? Tks!
@@MeAncient He lived in Fresno, CA.I don't know the elevation there, but I don't think it matters that much. It's about using the sun & capturing as much of the reflection as possible.
@@TC-er5xy Tks!!
@@MeAncient you will need a pool cover to keep the water hot or you will loose all your heat... It's too cold in Tennessee not to use a cover
Nice video. I have been using this system for at least 15 years now. But I have 3 boxes each 2 by 6 feet that help heat my cabin in the winter time here in Alaska as long as of course we have sun light which can be a challenge. But the 4 months during spring - summer the boxes give us all the hot water we can use. I ran my copper tubing left to right and of course much larger dia. At 1/2" dia. Plus my boxes are 6 inches deep to cap all the heat possible. I am always playing around with stuff like this living off the grid. I also have 3 wind mills that are always spinning - near the ocean at least 15 - 35 mph winds to keep my batteries charged along with solar so we live a very comfortable life style free once I pay for materials. Thank You
Sounds great!
K-9 COOPER
You are lucky that far north. You can get free heat and also free cold. Just leave the fridge out on the porch and don't bother to plug it in.
Instead of using a glass front, have you thought about using double-walled lexan sheeting? This would insulate against heat radiation overnight and trap more heat in daytime. It's not as if the thing needs to be optically clear....
How do you capture for winter heat? Is that an air-based heatbox or do you heat water and use a radiator? if the former, do you have a mesh installed?
Lexan would melt and stretch under this kind of use. To give you some idea we have had cars left with their windows closed in Florida in which the steering wheels actually melted and drooped. And our cars are not even designed to be heat traps.
I'm so glad you showed me how to make this, quite the work of art!
did the same thing in '73 with four truck radiators connected with hoses and mounted on a flat panel painted black and glazed with used windows. It was cheap and provided free hot
outdoor showers.
How old are u now
I LOVE LOVE LOVE your format of showing a quick snippet of the conclusion up front and then slow down to show the build. Perfect!
May want to read an old book called "Direct Use of the Sun's Energy" by Farrington (1964) Very cool stuff. He shows a good idea where one would have the coils or tubing sitting atop a large metal plate that conducts and radiates heat. Brilliant.
Thanks for these two great demonstration & instruction videos comparing poly pipe with copper tube. Now we really have the answers we need for cheap hot water 😀
Your projects are so very helpful and needed. Thank you so very much. Your family is blessed to have you, as are we. Great video.
Awesome! Thank you! Been noodling putting together an off grid shower, this is the main component! Thanks again!
What a brilliant, compact, portable, and economical way of storing the Suns thermal energy! Your video is very inspiring, well done!
Thank you very much!
Thank you for an informative, easy to follow tutorial on how to simply heat water. I really don't know where I would be if it wasn't for the few people like you who generously share stuff like this. This will be passed on to my nephew and my younger son who are helping me build my off grid cabin. I believe that stuff like this should be preserved for future generations (who knows when Sunspot activity will leave us back in the dark ages and knowledge such as yours could mean the difference between cutting tons of wood to get hot water or having a setup like yours which is always keeping the water warm if not hot. I am subscribing to see what else you have and when (this awful gale force winds thing has been going on for three years now, despite this we are making headway and have a road laid in so ww don't have to hike through the forest lol. I promise to put up a video and to pass on anything I learn during my build.
We usually use Heat Pipe collector with Evacuated Tube to heat water. Then we integrated with Pressured Tank.
Thank you for sharing. I'm in Indonesia (7°south) these ideas can have great use.
Good idea, but paint the copper tubing flat black, have it raised up and put a reflective layer below. They do have a new paint out called Vantablack that absorbs around 99% of light which should help.
thank you for sharing this video, this DIY is awesomely easy to follow.. great job..
I haven't read all of the comments, and what not but I thought that I would throw in the fact that I have used a 50 roll of 1/2" black water line just laying out in the sun for a couple of hours to produce 117 degrees. I always wanted to go further with it, but never have been able to get back to it. I ultimately used that roll of water line to make a cold water machine out of an old obsolete Coke machine though. I just gutted all of the unnecessary stuff inside and kept the cooling part of it and put the roll of pipe inside with a line coming in and going out. That was some COOOLD water coming out and was very useful at work during the summer heat.
I built such a SWH device like this in 1991, but used a Pex Pipe in Black from Isral with 100 meter x 16mm in a M2 box sealed with K glass, worked fantastic when i tested it while in Cyprus from 1994 to 1998
Thanks - as soon as I get the needed parts together (luckily most seem 2 b lying around) will try it - VERY interesting approach
Pretty cleaver. Great DIY vid clearly stated steps for us beginners. Love reading the comments people have great ideas and new counter inventions off your design.
Clever not cleaver.
Thank you! I'll be using this in my pool solar heating system.
Great job. Fantastic for a Campervan, Camping trip etc. Portable modular cool.
Nice project, nothing fancy, but works !!!
So cool ! And it is visually pleasing, too !
I liked it. Easy to watch and informative.
another awesome video, thanks for always posting informative and useful videos.. keep on posting..
Very nice design especially like the use of off the shelf products less cutting less fuss, standard coil, standard fittings nothing overly complex nicely done that man just wish I had your sun to run it.....
This is awesome I instantly started thinking how I could take advantage of something like this and my first idea was to use this to pre heat the water in to an electrical water heater on a hot day the thing would barely need to work at all
You make the best films :)
Thanks ;)
Thank u you for given solar Water Heater manufacturing.Yours projects are so good for student those studding Graduate Engineering
Beautiful, thank you!
Very useful Thanks for the video. bless
Thank You! I was thinking about the pvc one but I don't like storing the water in the plastic especially when it gets hot. Just don't trust it not to leech into the water. Copper is perfect!!
Lot of hot water lines are PVC.
Tami Gami
So practical!! Thankyou from Panamá 🇵🇦
you're so welcome 😎
that is awesome!!!!!thank you for sharing!!!!!! great presentation!!!!!!
sempre pensei fazer isso...e agora tenho certeza que da certo.👍👍
Fantastics ideas. Mindly wonderful created. I thanks lots off
Fantastic amigo ! I bilding one now !!saludos desde MEXOCO TENOCHTITLAN cemter of the UNIVERSE!!!
Wow, good project about solar heating
this is one way to go about it for sure I like the idea for sure. I think if I was going to build one I would build it in a metal box with insulation. to add to the durability and might make it a little more efficient. good job
I did this with a black garden hose worked great and cheap
Great build. You could have a insulated water tank in a convenient shape to fit your van or whatever and store the hot water for use at night.
I recently made a heater from black plastic pipe here in Thailand, as they only use cold water for washing dishes. Something you need to be very mindful of, is the pressure build up if both end are sealed.
I left my inlet to the sink open to avoid any pressure problems.
Just paint your tube in black and the energy harvesting efficiency of your heater will double. (In fact probably more than double). Edit : I saw the end or jour video, the icon you put is a bit misleading. Nice project ! You can also strongly increase the efficency by adding some 45+° mirror on each side of your frame. Estimated gain with 4 mirrors, about 3 times more heat harvested than with only the tube.
Hi Patazertyul...not understanding the mirror addition, how does adding the 4 strips of affect the heat. Surely the mirror reflects the energy back, or do you put the mirrors in back to front.?
Southampton UK
I love this idea !!
Great Job !
I was impressed by the video; well made, well explained with good DIY instructions. I read all the comments and a lot were sold on the idea of a reflector but the way I see it a certain amount of sunlight would be reflected back out of the glass front. Instead, a metal back-plate of aluminium flashing also painted black would get hooter than the plywood backing. This would increase the internal air-temperature and heat more water.
My only other point is that because of the spiral design the water would not passively flow as it would if the pipes were vertically oriented. I realize this would call for soldered joints and a lot more expertise and labor and would add to the possibility of leaks. I wonder what would be the minimum radius that copper tubing could be bent into using a bending kit. I used to at one time bend brake pipes using a kit like this. I assume they are available in various sizes. Any thoughts?
great job, this video is awesome.. great project too.. please keep posting videos..
About 35 years ago i saw an article in Organic Gardening magazine where a man built a large flat box on his roof and instead of copper tubing he used garden hose. He enclosed it with glass and of course painted the inside of box and tbe hose with black paint. He hooked up the hose to his hot water heater and most days it never turned on and on cloudy days it did so it was a good back-up. His was not as compact as yours, but he had a whole family to heat water for. It was meant to be a permanently in place installation.
I just coil 3 100ft Garden hoses on my sun room roof It is tied into my hot water side of my house . It gets hot enough that we add cold water for showers
Hi , your comment interests me . Hot water wants to rise , and I presume your tank is down . How are you circulating the water that is heated on the roof . I built a hot air collector for winter heating and it works Good , now I'm exploring heating water for summer months , hope to hear from you , Thanks .
Good job... I love to make this things at home. Congractulations about this video.
Nice and simple design, but zip ties will crack in the heat over time. Recommend using copper wire instead. I really like the amount of detail in your videos. Other DIY vid makers could learn a thing or 2 from you. Great job!
Any old appliance should have copper wiring. I usually like to take it all off of old thrown away appliances.
I was also thinking about zip.Your suggestion of copper wire is right.
nuckelhed7 - Also prolonged exposure to UV light destroys plastic zip ties. Here in the south of Spain they last about a month in summer and just fall to bits!
ช
The zip ties are painted black, no exposure to UV.....
Nice job, Really simple Really reliable Would be great for a campsite.
Cool. It's on my project list. Heat water & supliment heat for out building/cabin. ☕ cheers.
75 degree Celsius really not bad. Excellent job. Good result. I m planning to build solar water heater and your idea inspired me. Thanks from Pakistan
awesome and thank you!
This one is very COOL. Thanks.
My grandparents bought a home in Coral Gables, FL just after WWII It was built with a 15 gallon water heater/ tank with a small 3'x3' solar collector panel. It would give grand dad his after work shower and grandmother water for washing the dishes after dinner. She took her shower in the middle of the day to replenish the tank as she didn't use hot water until dinner.
But it worked for half of the Gables back then.
very cool! - thanks for sharing
This is by far one of the easiest hot water panel builds I have seen. My questions are 1. How big is your storage tank? Must have to be large as the volume isn't that much. I would think that using 1/2" copper tubing would drop the water temp a little, which would be ok, and dramatically increase your volume ability. It also appears, that as hot as the water is coming out, a person could use this panel or a series of panels for a radiant heat system in the home or shop. Your thoughts.
my inspiration...thanks for your video..
This is a great project! Simple, efficient, and inexpensive. One suggestion have you thought about using tile as the backing to gain additonal heat retention. Also tie straps won't last in the heat, small c-clamps secured with screws would last longer.
Again great projector. Great thought starter.
U mean zip ties
مصنع الصاج الملف
@@magicman0867 Some people call them tie straps.
Tile is not a good insulator though so would transmit heat out the back. Wood is a better insulator and helps hold the heat in the box.
this is great video, thanks for sharing your video to us.. have a great day..
Thank you for sharing... Love your shared ideas and knowledge through videos. Great work!
thanks much ✔😎
nice little project, well done
I like my idea of a black tank of water with either air pressurized or gravity fed...but it does need bleach cleaning (or added) now and then.
Nice video demo👍
Great simple design. I would add a pre-filter at the head end of the water input.
Whoops! This guy is doin' it right!
Awesome job!!!!
That's Awesome!!!
Great good job I need to make my self one too for my Hot Tub its very easy to make Thanks much UTUBE tums up to you guys
Great diy project thanks.
Great project & comments added all very useful.
Suggest that all the temp. stuff in future be given as US/Fahrenheit with Metric/Celsius units added in brackets - Please for all surviving the weather in & outside the US
I really like this design and it looks simple enough for people to build. Do you put wooden stops on top of the glass to keep it from falling out or does the sealant for weather proofing keep the glass in place?Thank you for such an easy to follow video.
Great job man
Just curious on how you would control the temperature, remember that we usually set up the heaters around 120 F to avoid scalding, I found this same set up in older building roofs for the same purpose but they compliment them with mixing and control valves.
I have accomplished a number of solar projects and would like to pass along a couple of comments. First, plastic tie wraps will get brittle in the sun, I would have used copper wire to attache the tubing by stitching it through the holes in a continuous length. Also, I would have made the backing plate out of metal painting it flat black before attaching the tubing to absorb a little extra energy ! GOOD PROJECT THOUGH !
Good ideas. I would add that one should consider up-sizing from 50 feet of copper tubing to 100 feet. This would give increased output capacity. Of course one might also make two or three of these and simply connect them to get the same effect. I'm thinking of having a larger/longer sustained output.
Anyways ur design is awesome... Working on the same stuff ✌️👍
Hola, Se le tiene que colocar un vidrio a todo el cuadrado, para impedir que el calor no se pierda. Saludos
I made something very similar about 15 years ago with my dad when he was alive and retired. Not as pretty as yours, but it worked well.
In this demonstration what was the temperature of the water before it went thru the copper coil?
I used black PTFE pipe woven back and forth across the south end of my house. a copper heat transfer inside my water tank + a small central heating pump, header tank and antifreeze. works ok in winter too. enough heat for a bath, add electric heater for ten minutes & your heading for steamy bath.
very awesome!
Neat idea, good video. Subbed :)
Nice vid, thanks for sharing. Although you might want to coat the Perspex with 303 aerospace av protectant to stop the Perspex deterioration
Great idea. The only thing I would have done differently would be putting a thin black like slate board like a chalkboard or guage 3-6 sheet metal (blackened) where the glass would have been.
Bloody awesome, great video mate ! wanna make 1 asap so when were camping on the beach 4 weeks at a time we can a fresh warm showers ! Cheers
hi there and thanks. that'd be a great use for it 😎
Great job... I am always amazed at the comments on how to do it better by people that most likely have never done anything like it at all... Great little heater....
That's great! Can you tell me what temperature I might expect from this size when it's still cold and windy outside? 10 -15 degreees C. Thanks!
haha
We do something similar on our farm. In winter at between midday and 2pm, the water is warm enough to wash the dishes with..
In summer it is scolding hot for most of the day.
We use black plastic pipe, not sprayed copper.
I just did something similar as well. I left my black hose in the grass for a day. Its about 300 ft worth of hose. When I spray that puppy boy I got me some hot ass water!
This is awesome. I'm building it this weekend to use as a pool heater this summer. Can you please tell me how thick the 20x20 wood is that you zip tie the copper pipe to? Also what are the lengths of the square dowels and what is the thickness of the glass? Thanks!
Good idea...!
Love your channel.. thank's for the awesome content..👍☀️🙏☀️
thanks. much appreciated 👍😎
great video
nice construction and still optimisable
Thanks, I'm thinking of trying this and using a small aquarium pump from my pook and heating the pool water. and returning the water to my pool.
If you want an easy demo simply coil a garden hose on the pool deck and you may be shocked at how hot the water gets flowing through the hose. Simply keep the flow rate low and you could even use the pools filter pump to send a trickle through that hose whenever it is turned on.
assuming this is for heating water on the go or outside. not bad it will give you quick hot source for camping or rinse off shower
Assuming one is in an area that receives plenty of sun and it's daytime.. nice as a secondary source though.
You might consider an inline venting valve to help purge air pockets between uses.
nice.... and easy to make solar water heater.
I'm doing something similar, only with about 160' of 1/2" poly tubing. I'd like to use 1/2" copper tubing but that's all too spendy. Yours does look good, well done.
A heat exchanger/radiator from an old broken down car can work well as a heat medium if you don't have tubing in excess.
+McGaughey that's a good idea! Could a plumb a load together all tightly, paint the sun side black with a sheet of glass over the top? would look tidy aswell
I have an idea that i have not seen anyone try yet. There are numerous videos on U Tube about solar hot air collectors. They are cheap and easy to build and the temperature inside those collector boxes get quite high. A small copper coil could be combined within those collectors to heat water. One advantage would be protection against freezing as even at 20F these hot air collectors get above 120 F easily. If the air around the copper coil is 120 F or more you can bet that the water inside that coil will be close to the same temperature. Besides being far less expensive to build the units would also be lighter in weight. Simply view a hot air solar heater or two on U Tube and think of a copper coil at the top of the box.
+Jim Sadler I think we need a giant man shed lol
Pop's Shack the problem with the poly tubing it doesn't conduct heat well so it will suck as a device for that reason
I found you price list, thank u for the post and video
Niiicee... like it, well done
AXA
Lovely
nice work
ESSA sim ARREBENTA.A.A.A......trilegal!!!!!
when I saw the thumbprint from the video, I was thinking you could probably increase that by painting it black... then I watched the video... ;)
Nice and simple design. But I would put metal sheet under the pipe - that would increase absorbing surface. Next step - to weld pipe to the backsheet, but that would increase labor.
You could make a hot plate to cook with using this set up too! ; )