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About STS MECHANICAL SERVICES LLC
STS MECHANICAL SERVICES LLC operates as a full-service heating and cooling contractor based in Portland, Oregon. While relatively new to the online review space, this locally-owned company brings genuine expertise to residential and light commercial clients across the Portland metro area, including neighborhoods like Sellwood, Alberta Arts, and the Pearl District. The team handles standard installations, repairs, and preventive maintenance for forced-air furnaces, central air conditioning, and heat pump systems.
Portland homeowners face a unique set of climate challenges, from damp winters that strain heat exchanger components to summer heat waves that push aging cooling equipment to its limits. STS MECHANICAL SERVICES approaches each call with diagnostic focus, examining airflow, refrigerant charge, and electrical connections before recommending repairs. Their technicians explain visible issues clearly, helping property owners understand the scope of needed work rather than pressuring upsells.
Services
Heating System Repair & Maintenance
Diagnostic evaluation and repair for furnaces and heat pumps, including ignitor replacement, blower motor service, and thermostat calibration.
Cooling System Service
AC tune-ups, refrigerant recharging, capacitor replacement, and compressor diagnostics for Portland's summer cooling needs.
New Equipment Installation
Professional installation of complete HVAC systems with code-compliant permit coordination for City of Portland approvals.
System Diagnostics & Estimates
Detailed assessment of existing equipment condition with transparent cost proposals before repair work begins.
Indoor Air Quality Recommendations
Guidance on filtration upgrades and ventilation improvements suited to Portland's pollen seasons and occasional wildfire smoke events.