The D. L. Sales Corporation family of companies are dedicated to providing the finest quality air, water filtration products and heat transfer equipment service to the HVAC, High Tech and manufacturing industries. We believe quality air and water filtration is crucial in providing healthy as well as productive indoor environments. Through continuous education from manufacturers, trade organizations and our customers, we will strive to apply principles of air filtration and process filtration to optimize the design, installation, and maintenance of HVAC and related filtration requirements within our clients’ environment.