They had 54 C at the panels at -30 C Dec 2009
The Mclean High Efficency Home built 1985
The System
The controller
The On Demand Water Heater
The Piping (some of it)
Taco Controller (relays for switching on the pumps)
The in floor heating system
Two pumps on the In Floor System
The Heat Exchanger
Send a text message.
To www.gordeye.com
