RESTORES, RECONDTIONS AND MAINTAINS THERESTORES, RECONDTIONS AND MAINTAINS THEEFFICIENCY OF A 23 YEAR OLDEFFICIENCY OF A 23 YEAR OLD AIR CONDITIONING UNIT AIR CONDITIONING UNIT

METROPOLITAN WASHINGTON COUNCIL of METROPOLITAN WASHINGTON COUNCIL of GOVERNMENTS GOVERNMENTS ENERGY ADVISORY GROUP ENERGY ADVISORY GROUP WASHINGTON, D.C. WASHINGTON, D.C.

EFFICIENCY TEST 

11

Onset Energy Onset Energy MonitorMonitor

Data collectionOne minute intervals anddown loaded to Onset Computer server everytwo hours

Space thermostat set at 74 Degree F

22

HOBO U30 Remote Monitoring Systems analyzed the efficiency of rooftop HVAC unit performance. These state-of-the-art systems provide industrial-grade reliability with real-time access to your data via the Internet.

Hierarchy of Hierarchy of Efficiency Efficiency

33

Mechanical Mechanical ReconditioningReconditioning

44

MaxR increased MaxR increased EfficiencyEfficiency

55

Life Cycle Life Cycle EfficiencyEfficiency

66* ASHRAE