Dealer Locator The best way to experience a Mosaic Masonry fireplace is to see one installed in a dealer showroom. This Dealer Locator lists those dealers who have a working model on display. Enter ZIP or postal code: Distance: within 50 mi within 100 mi within 500 mi       ©2007 DESA Heating, LLC   This website requires Adobe Flash Player 8. Click here for the free Flash Player download.