7 HVAC Maintenance Contractors in Mill Creek, WA

Mill Creek sits in the Seattle metropolitan area, where winter lows hover around 37 F and summer peaks rarely exceed 76 F, though recent heat waves have accelerated AC adoption across the region. Historically heating-dominated, the market now sees growing interest in heat pump systems. With five contractors serving the area and an average rating of 3.7 from 216 reviews, residents seeking HVAC maintenance in Mill Creek have multiple options, though competition for qualified technicians remains stiff given Washington's lack of statewide HVAC licensing. Service costs in Mill Creek reflect system type and complexity. A single AC tune-up runs $72 to $206, while a furnace tune-up typically costs $82 to $227. For comprehensive assessments, a full HVAC inspection ranges from $155 to $412. Prices factor in the age of equipment, labor intensity, and any needed repairs, with local licensing requirements varying by municipality. Customer feedback highlights strengths across providers. Cascadia Comfort draws consistent praise for communication and work quality, with multiple reviewers using "excellent" and "outstanding" to describe their experience. Washington Natural Gas, Heating & Air receives fast turnaround mentions, with technicians Mike Fahmie and John Palmer frequently named by satisfied customers. Meanwhile, Mill Creek Heating & Air shows mixed signals, with some feedback citing customer service and billing concerns.