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Extreme DIY: Radiant Floor Heating

90809radiantheat1.jpgWe swoon at the thought of heated floors. Efficient, green, and oh-so-toasty, a floor heated from beneath with a radiant hot water system is perfect for San Francisco, where it's often colder inside than outside. But is this a project worth tackling on your own? Design2Share and casaGURU have put together a super-informative guide to help those brave enough to consider the project...

 
 

The handy folks at casaGURU claim that if you can handle basic plumbing, you can handle the installation of a radiant heat system. While the pipe system may look scary and complicated, evidently it's just large, requiring diligence but not necessarily specialized skill. Of course, there's the matter of pulling up the floor, pouring a concrete sub-floor, and so on, but the article tackles those questions too, suggesting shortcuts and identifying technology that makes the project easier.

Electric in-floor heating mats, for example, are one alternative they offer if you want heated floors but the installation of pipes and a water heater just seems overwhelming.

The full story at Design2Share has extensive tips and guidance, along with links to other helpful sites with step-by-step tutorials. And if you're just greedy for more extreme DIY inspiration, Design2Share and casaGURU are both packed with ideas for the brave and handy.

(Image: Design2Share)

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green ideas, heat & cold, DIY, water heater, radiant heat, plumbing

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Comments (18)

My dad actually installed radiant floor heating in his house as it was being built in 1990 for the basement and first floor. He also installed it in the driveway to act as a snow melting system, but in its nearly 20 year existence has never finished this feature by installing a pump to move the water or alternative liquid through the driveway system.
*His house in Omaha, NE.

posted by brdnkchr on September 9th 2009 at 9:29am
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we installed electric radient in our kitchen and it is the best feeling, warm slate tiles under your feet in the middle of winter. it was really simple to install.

posted by larchgirl on September 9th 2009 at 10:21am
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I have this image of a too-hot for bare feet surface. How warm is it really?

posted by AZkathy on September 9th 2009 at 11:00am
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I experienced heated slate floors in a house in Calgary in the dead of winter I must say that was the best feeling underfoot. Its like driving a convertible with the top down on a cold evening with heated seats.

posted by LoriSF on September 9th 2009 at 11:00am
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There are also portable electric heating mats that can be placed under your area rugs.

http://cozywinters.com/shop/rug-heat.html

http://www.radiantheatpro.com/site/1511051/page/729899

posted by bepsf on September 9th 2009 at 11:02am
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pretty cool--haven't seen the under-rug heaters.


I have suntouch mats in my bathrooms. My living area is tile and I have one under the living room floor and one under the floor in the center of my kitchen work triangle.

Basically, I decided which areas I would want extra heat and put them there (instead of doing the whole house which would have been $$$$$$).

posted by art on September 9th 2009 at 11:57am
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bepsf thanks for posting these I did not know about under the rug heaters. My bathroom in the colder months could use this.

Art what are suntouch mats?

posted by LoriSF on September 9th 2009 at 12:03pm
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My dream house will have radiant concrete floors, which I imagine take a LOT of precision compared to tile floors.

posted by medenver on September 9th 2009 at 12:14pm
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I thought this was Apartment Therapy. Who could do that in an apartment?!

posted by chartreuse on September 9th 2009 at 12:31pm
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sun touch is a brand of under floor heating mats.

posted by art on September 9th 2009 at 12:46pm
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I'm in construction and i wouldn't takle it if its going in concrete. However if it was the type that installs under the wood sub-floor from below the floor I would.

posted by BlacksheepKitchenDesign on September 9th 2009 at 12:50pm
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To AZkathy: We have radiant heating throughout. The water has ca 90°F. Very energy efficient and wonderful underfoot.

But radiant has one big disadvantage: it is extremely slow. So just turning the heat on for some hours on a cold evening doesn't work.

posted by midmodfan on September 9th 2009 at 2:08pm
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AZkathy - you can walk around barefoot all you'd like. My brother did this in his farmhouse and it's amazing. And he did all the work himself - yes, it is very tedious.

But the results are quite unlike standard heaters - where the air gets warm in one area, and takes some time to move around the house. His whole house just feels warm.

posted by Modfan on September 9th 2009 at 5:26pm
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How much does it cost to run the portable mats?

posted by Lizzykewl on September 9th 2009 at 11:22pm
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Really? The modern systems we use here in South Korea heat up pretty quickly ~ usually my floor is noticeably warm in about five-ten minutes, and the room in thirty or so. But one of the real benefits is that they continue to give off heat even after you've turned them off for a bit, so you don't have to leave the heat on as long as you would with one that blows hot air. Unless it's incredibly cold, I usually just run my system for a few hours in the evening or at night.

posted by Gomushin Girl on September 10th 2009 at 3:30am
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All those tubes are old technology. Do a search for much simpler modular systems for the DIYer. Here's one. http://www.thermosoft.com/thermotile2?gclid=CI7Yo-br5pwCFQ7GsgodrQPeHA

posted by quiltmaster on September 10th 2009 at 5:38am
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I had it professionally done in a room 22 x 22 with hot water type and it was 6 grand extra over new heating install, that is not too much!

posted by parrishnut on September 10th 2009 at 6:11pm
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chartreuse - "apartment therapy" I believe refers more to small spaces, rather than renting vs owning. As a home (read: condo) owner in downtown Chicago, I think installing radiant heat flooring would be a fantastic investment. Especially since I am ripping up my ugly tile anyway!

posted by BiasCut on September 12th 2009 at 12:44am
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