Atlas Sales & Rentals Inc., a Torrance, Calif.-based distributor of portable air-conditioning equipment, added full-service offices in Atlanta and Denver. Products offered include the complete line of MovinCool spot coolers and other portable equipment for cooling and heating applications. The Atlanta-area office can be contacted at (800) 972-6600; the Denver-area office can be reached at (303) 352-0016.

An e-commerce web site, www.twtwatertreatment.com, offers a line of chemical-free products and systems to meet industrial water treatment needs. Filtration, deposit-control technology and purification are presented as the product processing methods on Triangular Technologies’ site. Resource sections include “What’s in Your Water?”, “Choosing the Right System” and “Water Basics” and serve as guide to helping users make a technical and environmentally sound water management decision.

Advanced Filtration Concepts moved its offices from Vernon to Montebello, Calif. The move allows the company, which specialized in high-end applications that require air filtration, to better serve its customer base.