evacuated tube collectors -How well do solar thermal evacuated tubes work in the winter? Sunmaxx solar

September 15, 2013 – 6:22 pm

SUNMAXX ** 30 evacuated tube heat pipe heat dump with Butler and Butler wand. This system provides about 90% of our hot water needs. Solar thermal energy (STE) … Video Rating: 5 / 5

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  1. 18 Responses to “evacuated tube collectors -How well do solar thermal evacuated tubes work in the winter? Sunmaxx solar”

  2. Excellent … Really well done!

    By popoqwer on Sep 15, 2013

  3. Did you think about mounting the system on the wall of the second floor? It would be out of the way of the shade from the trees and the kids soccer balls. A vertical mount would collect less snow and may result in less excess heat in summer when the sun is higher in the sky.

    By Peter Nichols on Sep 15, 2013

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    By ceasu allen on Sep 15, 2013

  5. do you have a heat sink?

    By Possum Pokeberry on Sep 15, 2013

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    By Bradley Jeremy L. on Sep 15, 2013

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    By Frissen alistar on Sep 15, 2013

  8. no mention of the ambient temperature outside. Where I am it can get down to -30 -40 celsius. so… sno on the ground means very little to me. big difference between 0 and -40

    By squee222 on Sep 15, 2013

  9. Very good Video  All I’m looking for is a sun tracking computer for my concentrated solar hot water system which will heat my house and hot water needs. Everything else is ready to go, just need to track the sun in Manitoba, Canada

    By silvercam1 on Sep 16, 2013

  10. system is designed to produce 100% of needs during summer with very little over production, if there is any excess, the top of the collector has a heat dump. If you had a pool or hot tub you could stick the extra heat there.

    By the43k on Sep 16, 2013

  11. what do you do with all the hot water in summer?

    By FJ J on Sep 16, 2013

  12. Not exactly the case, agreed that this system cannot handle 100 percent of my needs, 10% of this is because of shading. Normally, you will never size a system for 100% winter requirements. This is because during the summer you will have significant amounts of overheating. One exception is that if you have a pool or hot tub, you can dump this heat there. Killing two birds with one stone.

    By the43k on Sep 16, 2013

  13. The system would cost about 5k to 8k depending upon where you live. The variable in costs is typically around the installation costs. This is before any state or federal incentives. The federal government also has a 30% tax credit. Many states have many rebates too. If you can handle the job yourself, you could probably do if for under 4k.

    By the43k on Sep 16, 2013

  14. Wo what did this system cost? I’ve thought about adding a heat pipe system to supplement my old school, cast-iron radiator hydronic heat system, but don’t know about the payback.

    I happen to be lucky in that half of my roof is unobstructed, about at 45 degrees and facing due south.

    By Doug Elick on Sep 16, 2013

  15. Super…but perhaps a plexiglass cover…..which will keep the unit free of snow

    By illuminationclub on Sep 16, 2013

  16. OK … let me get this right. This only raised your temps to a luke warm shower temp. So you still needed the backup to get the water for a shower. I realize that it’s only having to raise the temps from 60ish instead of near freezing. Down here in the south it would take a long time to pay back the system. I use NG to heat my water. Typically the temps are in the upper 40’s during most of the short winter and we get a temp boost in the summer as temps are in the 90’s and low 100’s.

    By 1timby on Sep 16, 2013

  17. Excellent video!! Was looking for something exactly like this to determine whether solar thermal would work for me in the winter. Well done. Maybe do a summer one also to compare.

    By Cliff Cronan on Sep 16, 2013

  18. Actually, the house has a 3 foot overhang, but with the 40 mile an hour winds, it just piled snow everywhere against the back of the house. But a blanket or sheet over the collector, might work.

    By the43k on Sep 16, 2013

  19. Nice job Ed. Perhaps a cover is smart if one knows heavy snow is coming.

    By Fearlessthinker on Sep 16, 2013

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