Roswell has dehumidifying supplies and services available for hire/sale. Humidity can be a source of discomfort. It lowers productivity and can also give rise to mold production. Being able to maintain optimum temperature and levels of relative humidity is more comfortable, and also healthier. Indoor air treatment services are available, which uses dehumidifers, dessicants and other equipment, which are all available for sale. Make-up or fresh air is also necessary to comply with local or national building codes. These systems are adapted to individual business plans, to be optimally energy and performance-effective. The systems take in moist outside air, pass it over dehumidifying coils, lower the temperature of the air, before passing it out. These systems come with a warranty, and installation and maintenance services are also provided.