cost for radiant floor heating system
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.hat should be included: Additional costs: 1  Hydronic systems typically use a boiler to heat water and a pump to circulate hot water through plastic pipes, which brings the heat to the surface of the floor. 2  A video by Krell Distributing in New York explains hydronic systems.