![]() ![]() It was simply "stapled" into place using what I believe are readily available clips designed for this purpose. Our builder installed slabs of 3" styrofoam onto the prepared gravel base in the basement, upon which the tubing was laid. Note that this is a bungalow and we do not have any tubes run into the main level of our home - only the basement. When we had our home built 6 years ago, we elected to have the radiant floor heating tubing installed in the basement floor of our home, and purchase the controls and pump system thereafter as finances allowed. I can't help you with your costing question, but can provide a few suggestions which you may or may not already know about. Their system is all automatic (6 zones) cost was over $25k. I have a neighbour who recently had a new home built 1500 sq ft on slab no basement. I previously got quotes from "professionals" for a complete comparable system, they ranged from $8K-$10K. Last winter was my first, system worked without any issues save a few air locks as noted above. RADIANT FLOOR HEATING COST CANADA MANUALImportant to note that my system is all manual so no automatic zone values controlled by thermostats & separate pumps which will drive the hardware costs up by a lot. Biggest problem was getting all the air out (a science in and of itself but lots of help/information on the 'net). Took my time and was careful had only one bad solder. The actual build took about 1 month elapsed, maybe a week of actual work, The majority of this was the copper plumbing - over 100 separate pieces between pipe/Ts/valves. I have one pump for all zones and can vary heat in a zone using the manual variable flow values. The rest of the copper, valves, expansion tank, glycol, etc. I got lucky and a friend provided a new in box Steibel Eltron tankless electric water heater for $100 (normal retail of ~$900). I then spent close to a year researching what/how to build the heat source/circulation system and then buying the various bits and pieces needed. The cost to include PEX in the pour was $1,700 - four zones. I have done all work with the exception of the concrete slab/base walls (24" high). Over the past 3 years I have built a 32' by 32' foot garage/workshop with radiant heat so approximately 1000 sq ft. This is my personal experience so may be irrelevant to you. Think it was in the neighbourhood of 25 cents a foot when you bought 1000 foot rolls.Ĭost is very dependant on how you plan to get the work done. When I did the house and shop I used about 3500 feet of 1/2 inch. The pex pipe with oxygen barrier is fairly reasonably priced. Instal a main header off the boiler and have separate pumps for each zone. I think installers like to make the system as complicated as possible to reap the highest return.Īgain from experience avoid zone valves for controlling different areas. The first system I had was 20 years old and used the old Poly B pipe, never had a problem. I've installed them without and never heard of any problems. I've had two gas fired systems and now have a wood fired one that work fine without them. I've seen mixing valves installed in a lot of systems to limit the temperature of the water going through the tubes and to keep the water returning to the boiler warm to reduce shock to the boiler. Again not as much of an issue with just the wood. After a cold night that slab is warm and causes the rooms to over heat as the slab cools down. ![]() The drawback of the cement is thermal mass, when additional heat is required you now have to warm that slab rather than just the wood. The cement layer is intended to distribute the heat, but I can't notice warm spots on any of the floors I've done. A layer of foil covered double wrap insulation below the tubes reflects the heat upward quite efficiently. ![]() Loop the pipe so you have a tube on each side of every joist. On the ones I've owned and done the tubing was simply fastened to the side of the floor joist just below the sub floor using the clips for pex tubing. From my experience the layer of cement on the main floor isn't necessary. Can't give you any costs, but I've installed a couple of systems. ![]()
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