This directory provides information about products and services provided by HVAC&R Industry companies. Search the directory by topic, company, name, or geographic location. To browse the directory, click on a product or service category. This directory is provided as a service to ASHRAE members and others in the HVAC&R industry. Companies, products, and services listed here are not endorsed or approved by ASHRAE. ASHRAE does not test or certify products or services.