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Award Directory/American Society of Heating, Refrigeration & Air-Conditioning Engineers (ASHRAE) - Grants/Documentation of 1920's Carbon Dioxide Air Conditioning System
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American Society of Heating, Refrigeration & Air-Conditioning Engineers (ASHRAE) - Grants

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Deadline2026-03-02T08:00:00
Award amountUp to $10,000 total
Last checkedJun 25, 2026
PDF guide

Documentation of 1920's Carbon Dioxide Air Conditioning System

This PDF documents the 1920s carbon dioxide air conditioning system at the Orpheum Theater in Minneapolis, Minnesota, detailing its history and modifications.

Official sourceSource page
Contact
Regional Historian, Phone 763-784-7490; Senior Project Manager, Center for Energy and Environment, Phone: (612) 335-5840; Orpheum Operations Coordinator, Direct phone: (612) 338-5604

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