Does an evaporative cooling system use more electricity than a traditional air conditioner? Yes, always 11% In most cases 22% In some cases 11% No, never 44% Not sure 11% Get Free Quotes Today! Question: Does an evaporative cooling system use more electricity than a traditional air conditioner? Top Answer (44% of 9 votes): No, never. Answer: Yes, always Explanation: yes HVAC Philly Inc 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