Does an evaporative cooling system use more electricity than a traditional air conditioner? In most cases 28% In some cases 14% No, never 42% Not sure 14% Get Free Quotes Today! Question: Does an evaporative cooling system use more electricity than a traditional air conditioner? Top Answer (42% of 7 votes): No, never. Answer: No, never Explanation: Only in the heating would it use more electricity. Kair Answer: No, never Explanation: They a cheaper to run than a traditional ac. Arizona's Best Heating & AC, Inc. Get Free Quotes Today! Find Local Pros Free Swamp Cooler Installation Cost Estimates Related Questions How Much Does Swamp Cooler Installation Cost? Is it possible to control a swamp cooler with a thermostat?Top answer: No, never 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