Quick answer: Furnace repairs generally range from $150 for a simple part replacement to $600 or more for issues involving the blower motor, gas valve, or control board. Most repairs are completed within a single visit by a licensed HVAC technician, and Bay Area homeowners can reach Kailey Air Systems 24/7 at (408) 300-0016 for diagnosis and repair. A furnace is one of those appliances homeowners rarely think about until it stops working. Then, suddenly, it's the most importa

When your furnace fails in the middle of the night, you need a team that actually shows up — not a voicemail. Here's what real 24/7 furnace repair should look like in San Jose, and what to check before you call.