TSS HVAC Services

TSS HVAC Services has operated in the Pacific Northwest since 1985, earning a 4.5-star rating from two verified reviews. The company holds Idaho Contractor License #RCE-2060 and Oregon Contractor License #153181, and fields NATE-certified technicians who maintain peak system performance across the region. Based in Mukilteo, TSS serves commercial property managers, facility managers, building owners, and national brands throughout Washington, Idaho, and Portland. The office handles inquiries Monday through Friday from 8 AM to 5 PM, with a live human answering calls around the clock every day of the year.

A free four-hour expert assessment is available to first-time commercial customers, a practical entry point that lets TSS technicians identify system vulnerabilities and plan solutions before committing to repairs. The company maintains documented relationships with national brands including PetSmart, PetCo, FedEx Retail, Lowe's, and Starbucks, built through dedicated team leads who coordinate seamless service at multiple locations. Customer feedback specifically credits TSS technicians for digging past surface symptoms to isolate root causes, a diagnostic discipline that earned commendation from the GSA for operations and maintenance at the Richland Federal Building.

Reviewers Alex and Katy praised TSS after a commercial HVAC replacement at their Seattle business, calling the crew timely and the project seamless. They singled out technician Tony for going above and beyond, saying they would not hesitate to call TSS again. A second reviewer, Mike D, described TSS as consistently providing service that keeps businesses comfortable across every season while acting respectfully on-site.