Green Apple Spray Foam Insulation
2304 Bluebird St., Slidell, (504) 355-8302; www.greenapplefoam.com
The business installs insu- lating foams for homes and businesses.
RetroFitz Insulation & Home Weatherization
By appointment, (504) 444-6994; www.retro-fitz.com
RetroFitz offers spray foam and blown cellulose insulation, solar panels, geothermal and solar water heating systems. All of these systems target energy efficiency.