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buffalobillpatrick · 04-30-17, 10:07 PM

I'm building a new house in climate zone 5 dry.

Average air temperature here is 41*F (5*C) so that is also the 10' deep soil average temperature.

I'm using 6" of EPS type 2 under my radiant slab and running down the inside of my foundation stem walls.

180' 1/2" pex-A loops 7” OC using constant circulation with Grundfos Alpha pumps on low, with Erie BB3000 injection Outdoor Reset controller.

Thermostats are Tekmar PWM type, that learn, with slab sensors.

04-30-17, 10:07 PM	#23
buffalobillpatrick Master EcoRenovator Join Date: Mar 2014 Location: Florissant, Colorado Posts: 599 Thanks: 814 Thanked 59 Times in 55 Posts	I'm building a new house in climate zone 5 dry. Average air temperature here is 41F (5C) so that is also the 10' deep soil average temperature. I'm using 6" of EPS type 2 under my radiant slab and running down the inside of my foundation stem walls. 180' 1/2" pex-A loops 7” OC using constant circulation with Grundfos Alpha pumps on low, with Erie BB3000 injection Outdoor Reset controller. Thermostats are Tekmar PWM type, that learn, with slab sensors. Last edited by buffalobillpatrick; 03-06-18 at 10:36 AM..