10 Commercial HVAC Contractors in Bothell, WA

Bothell's climate sits in Seattle's shadow, with mild wet winters hovering around 37 F and summers rarely climbing past 76 F. The market historically leaned toward heating systems, but recent heat waves have accelerated AC adoption across the area. Eleven contractors serve the Commercial HVAC in Bothell market, earning an average rating of 4.4 from over 2,200 reviews. This shift from heating-dominant to climate-controlled systems reflects how Pacific Northwest weather patterns reshape mechanical infrastructure priorities.

Annual maintenance for each rooftop unit typically costs $550 to $2,200, while small business contracts covering spaces under 5,000 square feet range from $1,100 to $5,500 annually. Mid-size commercial buildings between 5,000 and 25,000 square feet see annual contract costs between $3,850 and $11,000. Washington State does not require a statewide HVAC contractor license, so businesses must verify that their provider complies with applicable local city or county licensing requirements.

Customer reviews reveal distinctive service approaches among top performers. HotWire Furnace, Air Conditioning & Appliance Repair holds a 4.9 rating with technicians Ramses, Vlad, Alex K., and Oleg repeatedly praised for same-day service and thorough diagnostics. Silverlining Roof LLC maintains a perfect 5.0 rating across 364 reviews, with clients noting same-day emergency availability and transparent pricing that undercuts competitor bids. Mauro Electric also carries a 4.9 rating, with reviewer Kathryn Bernhardt specifically contrasting her $700 repair against competitors pushing $26,000 replacements.