Warehouse - Atlanta, GA

Cambridge HTHV Space Heaters
Case Study

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OPERATING CONDITIONS

  • Operating Hours: 24 hrs/day 7 days/wk
  • Design Temperature: 60°@ 17°
  • Thermostat Setting: On @ 55° / Off @ 60°
  • Average Temperature: 59°
  • Heating System: Cambridge Space Heaters
    • 1@ 1200 MBH
    • 1 @ 2200 MBH
    • Thru wall mounting

NOTES & OBSERVATIONS

2200 MBH heater was going into reset intermittently

ACTUAL FUEL USE

for the 2000-01 heating season (2,229 Heating Degree Days @ 60°)
4.1 Btu / HDD / sq. ft.

CALCULATED OPERATING COST

for normal heating season (3,025 Heating Degree Days @ 65°)
$0.06 / sq.ft. (Gas only @ $0.50/therm)

BUILDING DETAILS

  • Size: 138,000 sq.ft. x 42 ft. High
  • Construction:
    • R-13 Roof
    • R-13 Walls

DATALOGGER GRAPH

Logging period: November 15th - January 29th
Logging interval: 30 minutes