I have a question regarding keeping a constant temperature/RH in exhibit areas. Our main museum is housed in a mid-19th century Court House (2 floors) and currently we keep the temperature between 68-72, usually right at 70, although some galleries run much higher temps than others. However, we have been instructed by our Dept Head (we are a City bureau) to reduce our energy consumption to cut our costs - obviously lights can be turned off when we're not open, but the temperature controls must remain on for the welfare of the artifacts on exhibit. So my question is would there be any harm in lowering our temperature by two (2) degrees, for a target range of 66-70?

Charlie Knight
MacArthur Memorial

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