Tankless water heater / Discussions

...water heaters will be electric, perhaps heat pump style.  Should I consider two hot water heaters, one at each end of the house or go with a larger hot water heater and locate it near the bedrooms and just run the hot water to the kitchen/bathroom?  We are on a well/septic if that makes a difference.  Thanks Shaun, fro...

...tankless and gas fuelled water heater and water or gel radiant floor heating, or the air system that Legalett uses. I am also wondering how much rebar should be in a slab on grade floor and if it's okay to have the perimeter touching the ground without any insulation beneath it?  The most cost-effective system to deliv...