How to Choose the Best Diesel Steam Cleaner for Your Commercial Cleaning Business As a steam cleaning contractor you can offer a variety of cleaning services or specialize in certain ones. Dry vapor commercial grade steam cleaners are appropriate for cleaning exterior surfaces, including exterior wood and bricks, decks, patios, cement walkways and driveways, awnings, windows and doors. Commercial customers prefer steam washing for industrial operations, graffiti removal and following building renovation. Diesel Steam Cleaners are also the ideal method for chemical free cleaning restaurant kitchens, dining rooms and restroom facilities. In homes, steam treatment makes quick work of sanitizing kitchen appliances, furniture, upholstery, carpets, hard floors, grout and tile.