Quick answer: Furnace repair costs in Campbell typically range from $150 to $600 depending on the issue, and most repairs are completed in a single same-day visit. Kailey Air Systems serves Campbell as part of its South Bay service area and is available 24/7 at (408) 300-0016. Campbell is a small city with a lot of housing variety packed into a compact footprint — from charming older homes near downtown Campbell and the Pruneyard area to newer developments toward the city's e