Scope of Work
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. |