One Stop Heating and Cooling Inc.

One Stop Heating and Cooling Inc. serves Cerritos, California with a 5-star average across 67 client reviews. This HVAC contractor handles residential heating and cooling installations, replacements, and repairs, operating Monday through Saturday from 7 AM to 7 PM with reduced Sunday hours. Reviewers consistently describe the business as family-owned and emphasize that pricing remains competitive and transparent, with no price gouging practices.

What distinguishes this contractor from competitors is their commitment to same-day service and straightforward pricing that reviewers repeatedly praise. Multiple clients note Sebastian manages projects from initial consultation through final setup, coordinating installation crews that complete full system replacements in a single day. The team includes technicians named David, Alfredo, Emilio, and Cristian who perform installation, ducting, and system configuration work. Customers mention receiving heat pump and air conditioning systems with multiple stages, and technicians return to fine-tune equipment after installation.

Reviewers describe specific scenarios where the team delivered fast, reliable service. Peter Flores noted the crew removed an aged system and installed a new heat pump with multi-stage cooling while re-ducting the home. Justen Lee mentioned Sebastian replaced all air ducts at a competitive price. Matthew Grover described how Sebastian returned within days of installation to adjust new system features for winter operation. Karla Giron highlighted that the team installed a furnace system immediately after she contacted them, explaining every step. Spartak Kim noted the installation finished in one day after initially being quoted at multiple days. Christine Spittell reported the crew completed a same-day full heating and AC replacement.