Do electric water heaters require venting? No 100% Get Free Quotes Today! Question: Do electric water heaters require venting? Top Answer (100% of 4 votes): No. Answer: No Explanation: There is not.emmions Georgia Master Plumbing Get Free Quotes Today! Find Local Pros Free Water Heater Installation Cost Estimates Related Questions Who Installs Water Heaters? Do water heater timers save electricity?Top answer: In some cases Does an electric water heater need to be vented?Top answer: No, never Tankless water heaters have higher operating costs than conventional water heaters.Top answer: False The most common residential water heater tank capacity is 50 gallons.Top answer: True