Quick answer: Santa Clara homeowners can expect furnace repairs to run roughly $150–$600 depending on the issue, with same-day service available from local providers like Kailey Air Systems, which has served the Santa Clara area since 1999 and is reachable 24/7 at (408) 300-0016. Santa Clara's mix of mid-century ranch homes, newer townhomes near the tech corridor, and everything in between means furnace issues here can look pretty different from house to house. A 1960s home w