Gus Serrano Sr. Email & Phone Number.

Gus Serrano Sr. is the founder of Serrano’s Heating & Cooling LLC, established in 2006 as a one‑man, honest HVAC business in Tucson. He began his career as a miner in the San Manuel mines, later trained at RSI, and after years in the HVAC industry he launched the family‑owned company focused on trust, hard work, and treating every customer like family.