A summary of the Castle Square Deep Energy Retrofit scope of work includes:
|Super Insulated Shell||(R-40) Exterior super wall insulation utilizing a Kingspan metal panelized system; (R-40) white reflective roof;
(R-5) fiberglass casement windows;
(R-5) fiberglass french doors; and
(R-12) exterior doors on the roof.
|Air Sealing||Extensive internal air sealing between apartments and the outdoors, and between apartments.|
|High Efficiency Boilers and Indirect Hot Water Heaters||94.5 percent efficiency condensing boilers and indirect hot water storage tanks in four central boiler rooms with hydronic baseboards in apartments.|
|Solar Hot Water System||Four large solar domestic hot water preheating systems.|
|Air conditioning||Energy Star air conditioners with a 7800 Btu/hour cooling capacity and a 9.9 EER.|
|High Efficiency Appliances||Energy Star refrigerators.|
|Lighting||CFL or LED lighting in hallways, lobbies, kitchens, baths, and exterior walls.|
|Water Fixtures||.5 gallon per minute (gpm) lavatory aerators, 1.5 gpm kitchen sink aerators, 1.75 gpm showerheads, and flushometers to retrofit existing toilets. If a toilet needs to be replaced, we use a 1.3 gallon per flush toilet.
|Ventilation||Renovation of existing exhaust ventilation system utilizing Aeroseal technology and Constant Air Regulator (CAR) Dampers. Installation of fresh air trickle vents.|