Onzone runs out of Pleasanton and covers HVAC, refrigeration, and emergency calls across the Tri-Valley, East Bay, and the broader Bay Area. Homes and businesses both.
A closer truck gets there faster, plain and simple. Our primary residential radius stretches from Livermore in the east to Fremont in the south to Walnut Creek in the north.
📞 (650) 698-7979Not on the list? Call (650) 698-7979 and ask. We stretch the radius for commercial work and for residential jobs just outside our primary coverage.
Pleasanton base puts our trucks within 20 minutes of most Tri-Valley addresses during business hours. You get a real ETA on the phone, not a 4-hour window to sit and wonder.
We know the older Eichlers with no duct space to speak of, the 1970s ranch homes, the 2000s Dublin Ranch builds, the Danville custom estates. Every neighborhood hides a different system and a different way in.
Pleasanton, Dublin, Livermore, San Ramon, and Danville each run their own permit quirks. We pull permits often enough that the inspectors already know our work.
