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Garage Heater
I'm building my house right now, and putting pex in the slab as mentioned in an earlier post. One really nice advantage of radiant heat, if setup right (besides a warm floor when you are under a tractor or car!) is that there is no open flame. You can work with epoxy, or perhaps give that small part a quick spray. In my dads house, he is installing a downdraft fan, and with the flameless radiant heat (assuming your heat sources is located elsewhere, and you are simply circulating hot water through the floor) he can paint cars all winter.
For those DIY, you can have a design done and a quote from www.radiantec.com, and they offer solar intertie kits too. I am currently deciding between these guys and a local guy who would supply a ground source heat pump.
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Garage Heater
grinder,
Yep! With propane and other fuel sources doing what they are, it's pretty easy to justify a little extra up front (roll it into the mortgage up front) for better heating costs.
I'm looking at the radian solar stuff (from the radian tech guys) - I'm in colorado, and with the sun we get, a well designed solar system, even just pre-heating a condensing variable flame boiler like a munchkin, would really cut heating costs.
I'm also getting a bid on Geothermal - I've got a guy here who will supply and install the ground loop and the ground source heat pump (which will also provide AC) as well as my radiant heat water and pre-heat domestic hot water. He will do the radiant design, the HVAC design, install the geothermal equipment and ground loop, and supply me with all the materials and a detailed design, along with a week of his lead technicians time. I do the install of the HVAC/radiant per his design, and I end up with a system that doesn't need any fossil fuels, other than the electricity. For electric, I'm going to put in the grid intertie, so that my surplus electricity is sold back when I'm not using it. A small array (2800W) ought to cover most of the heating costs, if not all. We get 300+ days per year of sun, so the solar hot water is still probably first on my list, and cheaper.
I think you can get quite a solar hot water system for 3-5k. That type of system would provide all domestic hot water, and probably a good portion of your heating costs. I'll post an update when I get more info.
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Kwschumm,
Wow! Please tell me about your experiences! I was looking at the waterfurnace synergy3 system, with 6 150' grouted bores for my ground loop. The dealer has a very good reputation, but if the product has problems, I need to go elsewhere. What kind of things have you run into? Are the support issues local or the waterfurnace guys?
Funny thing - It is very hard to find information on water->water ground source heat pumps on the net... Mostly just sales poop.
Let me know, I want details! Here on in person, john at wyosip dot com.
Thanks,
John
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