Boat Dealership - Michigan

Cambridge HTHV Space Heaters
Case Study

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OPERATING CONDITIONS

  • Operating Hours: 24 hrs/day 7 days/wk
  • Design Temperature: 50° @ 0°
  • Thermostat Setting: 50°
  • Average Temperature: 50°
  • Heating System: Cambridge Space Heaters
    • 2 @ 738 MBH
    • Outdoor vertical mounting

ACTUAL FUEL USE

for the 2002-03 heating season (3,140 Heating Degree Days @ 50°)
4.6 Btu / HDD / sq. ft.

CALCULATED OPERATING COST

for normal heating season (3,103 Heating Degree Days @ 50°)
$0.07 / sq.ft. (Gas only @ $0.50/therm)

BUILDING DETAILS

  • Size: 54,000 sq.ft x 37 ft. High
  • Construction:
    • R-22 Roof
    • R-15 Walls 

DATALOGGER GRAPH

Logging period: December 23rd – January 15th
Logging interval: 30 minutes