I am delighted that we have a system both efficient and affordable. The bits are as follows:
1) HTP Versa Hydro RPHE199 tank type combo boiler
2) Radiant heating to have two stage heating with out door reset for cold
temperatures
3) ecobee SI WiFi thermostats for energy tracking
4) radiant floor piping: 1/2” Oxy Barrier pex
5) Mitsubishi MXZ-4B36 Multizone Split Air conditioner
6) SEZKD12 A Ducted Indoor units with supply and return air ducting to all rooms
7) SLZKD12 split AC with ceiling 4 way indoor unit for the stair well.
o Low ambient cooling ready for winter solar gains.
8) Turbotech desuperheater and storage tank for domestic hot water pre heat
9) VanEE Vigor Low profile HRV
The system will recover heat from air conditioning of the four storey stair tower which will be kept at 4 to 5 degrees during the winter. It has substantial SSE facing glass. Currently, the idea is to use this exclusively to produce hot water. We may also use it for space heating depending on the amount of heat we are collecting. The cost of the complete system installed is less than $80K. The HVAC contractor is Encore Heating and Cooling. They are well known for their innovative approach to sustainable HVAC design. http://encore-geothermal.ca/
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