HVAC “Summer Energy Saving Tips”- Air Conditioner Condenser Coil Cleaning, Posted on: December 29, 2015 by STL HVAC in HVAC Maintenance Tips No Comments 4 It starting to get hot out there to help reduce energy consumtion Shawn Harrell with AirTight Demonstrating Condenser Coil Cleaning on a Carrier RTU. Share on PinterestThere are no images.