Is it possible to control a swamp cooler with a thermostat? No, never 100% Get Free Quotes Today! Question: Is it possible to control a swamp cooler with a thermostat? Top Answer (100% of 1 votes): No, never. Get Free Quotes Today! Find Local Pros Free Swamp Cooler Installation Cost Estimates Related Questions How Much Does Swamp Cooler Installation Cost? Should I install a humidistat with my swamp cooler?Top answer: Not sure Can I install an evaporative cooler (or swamp cooler) in my attic?Top answer: Not sure Can I install an evaporative cooler (or swamp cooler) in my basement?Top answer: Not sure What size swamp cooler would you recommend for a 2,000 square foot home? (roof-mounted)Top answer: Not sure