Opportunity to Manage/Lower Energy Costs in Grocery Stores
Opportunity to Manage/Lower Energy Costs in Grocery Stores
1 PagesOpportunity to Manage/Lower Energy Costs in Grocery Stores: HVAC ROOFTOP UNITS » Installed Digi-RTU on HVAC Rooftop unit » Metered 2 weeks pre and 2 weeks post installation » Outside air temp range between 63o-101o » Average outside temp 80o BENEFITS » Improved comfort and system reliability » Reduced facility energy consumption » Reduced facility energy demand » Annual energy savings: » Electricity: 238,444 kWh - 76% reduction » Simple payback: 1.7 years DIGI-RTUTM bes-tech.net 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 0:00:00 2:00:00 4:00:00 6:00:00 8:00:00 10:00:0 12:00:0 14:00:0 16:00:0 18:00:0 20:00:0 22:00:0 kW 9/23/12 (OAT = 78 F; weekend; after install) 9/26/12 (OAT = 80 F; weekday; after install) 9/9/12 (OAT =79 F; weenkend; before install) 9/11/12 (OAT = 7
