In floor heating is more efficient than most other types. Since the heat evenly rises from a large mass you dont need a circulation fan and if the heated air is exchanged the thermal mass heats it quickly.

However electric is way over priced here due to xcels monopoly. If you look at your bill % 65 of the cost us from xcel tansmitting the power and maintaining the lines. % 35 is from generation of power. Read the solar on my house thread and see how badly xcel tries to sandbag that program.

We did my dads shop in 2002 with pex. A manifold. A salvaged pump and a salvaged spa heater.