Sandium is passionate about creating the perfect indoor climate for their home. As a renowned HVAC company in San Jose, they are dedicated to creating comfortable living spaces that can truly call home. As a full-service HVAC company, the offer design, engineering, and installation services for heating & air conditioning systems, zone systems, high-efficiency water heaters, Home Performance contracting, energy auditing, and ventilation services.

The Attic Doctors is a professional team of specialists, dedicated to providing a safer, comfortable, and more energy-efficient home environment to homeowners in Orange County and LA County in USA. They offer a full range of energy-efficient home solutions such as: Radiant Barrier, Ductwork Removal & Replacement, Quiet Cool House and Exhaust Fans, as well as a plethora of HVAC Services (10 years Home Depot Pros).

UV Resources are a globally renowned company in UV-C disinfection and HVAC efficiency. They help disinfect airstreams, mitigate disease transmission, and kill microbial contaminants that impede HVAC efficiency. Company founders pioneered the application of UV-C energy in HVAC equipment nearly 25 years ago. Currently, they supply market-renowned germicidal UV solutions to facility managers and building engineers around the world.