$6-$16 a square foot for a professionally installed hydronic (hot water) radiant floor heating system, or $9,000-$22,500 or more for a 1,500 square foot home
How many Btu you need depends on variables such as the garage size, your climate zone and the temperature you want to work in. A basic rule of thumb for forced-air heaters is 45,000 Btu to heat a two-to 2-1/2 car garage, and 60,000 for a three-car garage. 1 This Old House estimates the cost of electric radiant heat in an average-size bathroom at $400-$700 (including new tile) for a thin electric mat installed in thinset cement and controlled by a timer-thermostat, and says it is not a difficult do-it-yourself job for those who know how to set floor tiles. DIY Radiant Made Simple—Hydronic Radiant Floor Heat. This home owner is building a garage and has installed 5 loops of 1/2” X 300’ PEX, in a 1500 sq. ft. monolithic slab. Foam staples are used to fasten the PEX tubing to the 2” thick insulating barrier. The staple spacing is at 2 ½'. 1 Expect to pay about $6-$16 a square foot for a professionally installed hydronic (hot water) radiant floor heating system, or $9,000-$22,500 or more for a 1,500 square foot home, depending on local rates, the number of temperature zones and the overall size of the system. A well designed radiant system... will normally cost less than $3 per square foot, and less than $2 for a slab on grade .. Interestingly enough, the site also explains that the larger the home the lower the cost of the equipment, and gives a quote for a five thousand square foot installation at $2 per square foot. Unfortunately, there are no low-cost ways to add radiant floor heat to an existing garage or basement concrete floor. If you are building, now is the time to install radiant floor heat. Hydronic radiant floor heat is one of the most efficient ways to warm your garage or home that is on a concrete slab. Hydronic floor heating uses hot water that is pumped through tubing in the slab. Typical costs: 1  Expect to pay about $6-$16 a square foot for a professionally installed hydronic (hot water) radiant floor heating system, or $9,000-$22,500 or more for a 1,500 square foot home, depending on local rates, the number of temperature zones and the overall size of the system. Best Answer: When considering radiant heat in a garage floor there are some issues that come up. Your garage should be well insulated with an insulated garage door. You should use foam board insulation under the concrete.
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in floor heat garage cost