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Calcimator

Museum Climate Control Calculator

Calculate temperature and humidity targets, HVAC tonnage, and annual energy costs for museum conservation environments.

Inputs

%

Results

Target temperature (°F)

70

Target RH (%)

50

Temp range low (°F)68
Temp range high (°F)72
Max temp fluctuation (±°F)2
Max RH fluctuation (±%)5
HVAC tonnage needed4.8
Humidification (gal/day)2.4
Annual energy (kWh)30,275
Annual energy cost$3,633
Energy cost per sq ft/year$1.82
Ashrae ClassA (Tight)
How to Use This Calculator
  1. Enter Collection type, Gallery area (sq ft), and Ceiling height (ft).
  2. Set Outdoor design temp (°F), Outdoor design RH (%), and Electricity cost ($/kWh).
  3. Review Target temperature (°F) and Target RH (%).
  4. Use Temp range low (°F) and Temp range high (°F) to inform your decision.
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