Lake Oswego, OR HVAC · 54+ yrs
TRU72 leads with a diagnostic-first approach emphasizing instrumented measurements. Larsell Mechanical notes certified technicians run refrigerant and airflow diagnostics. The company lists Manual J load calculations for right-sized replacements. Lake Oswego homeowners face Pacific Northwest wildfire smoke and humidity; TRU72 names filtration and dehumidification work. Reviews and site copy reference same-day service and clean, documented repairs.
Diagnostic-first HVAC service for Lake Oswego and the Portland metro area. Instrumented diagnostics states measurements for refrigerant, airflow, and pressures. Manual J Sizing: Yes for replacement right-sizing and permit-ready installations. Daikin and Goodman Authorized Dealer relationships are noted on their site.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
| Provider | Vouched | Years | |
|---|---|---|---|
TRU72 Heating and Cooling, Powered by Larsell Mechanical (this company) ⭐ Ductwork & Sealing · ⭐ Smart Thermostat Install |
74/100 | 5.0★ (10) | 54+ |
72 Degrees Heating and Air Conditioning ⭐ Best for Furnace Repair |
69/100 | 4.5★ (55+) | 23+ |
Profile last updated July 19, 2026.
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