Split Air Conditioners in Billings (Air Ducts in Your Home).
2014-04-12 7 Dailymotion
http://www.minisplitwarehouse.com Split Air Conditioners. Unmount the air duct. Using the screwdriver, remove the air duct covers, grilles and diffusers. Check the walls for molds, dusts, dust mites and vermin. Call us 877-770-3548.