Case Studies

70-unit Apartment Building, San Diego, CA

Staples conducted a facility energy audit and cost benefit analysis ...

... for a 70-unit multifamily building consisting of an estimate floor space of 76,905 ft2. In addition to the 70 dwelling units, the facility consists of a covered parking garage, two community rooms, four laundry facilities, and offices.

Goals

  1. Identify potential high-value energy (electricity and natural gas) and demand savings by focusing on the following kinds of opportunities: 
    1. Energy conservation
    2. Energy efficiency
    3. Time-of-use management
    4. Demand response
    5. Self-generation
    6. Retrocommissioning
  2. Identify select water savings and conservation measures
  3. Identify existing San Diego Gas & Electric Utility or State funded incentive or rebate programs that can be utilized by the Owner in order to reduce the costs of energy efficient upgrades

Results

  1. Total project cost = $34,551.00
  2. Total rebates identified = $5,298.00
  3. Total annual savings = $15,389.00
  4. Simple pay back and ROI = 2.8 years