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“All 258 reviews award O'Leary Air 5 stars, with customers consistently mentioning technician Trevor for diagnostic explanations and installation crews Walker…”
“All 91 reviews award 5 stars, with reviewers consistently mentioning technician communication and educational explanations. Five reviewers specifically name…”
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Replacement costs for aging systems in Hillsboro. If repair cost exceeds 50% of replacement, replacement is usually more economical.
| Service | Low | Average | High |
|---|---|---|---|
Central AC (3-ton, basic) | $5,060 | $7,360 | $10,120 |
Central AC (4-ton, mid-efficiency) | $6,900 | $9,660 | $12,880 |
Central AC (5-ton, high-efficiency) | $8,740 | $11,500 | $14,720 |
Full HVAC system (AC + furnace) | $10,663 | $12,356 | $12,972 |
Plus ductwork replacement If existing ducts are aged/leaking | $1,932 | $2,760 | $3,680 |
| Repair cost threshold | 50% rule: if repair > 50% of replacement, replace | ||
Prices reflect Pacific coast metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Hillsboro’s climate sits on a cusp: Portland’s mild, wet winters with January lows near 35°F contrast with dry summers averaging 81°F, and recent heat waves past 100°F have nudged more homes toward conditioned comfort. That shifting need is reflected in the local marketplace—six contractors serve the area, averaging a 4.1 rating from 415 reviews—and it’s why homeowners are searching for ac-replacement Hillsboro solutions more often.
Specific line-item pricing from local topCostItems wasn’t provided, so expect wide variation driven by equipment capacity, SEER rating, required ductwork repairs, permit fees and disposal of old units. Oregon requires technicians to hold the Limited Journeyman - Heating, Ventilating and Cooling (LHR) credential plus a CCB contractor license; verifying those credentials and written permits can prevent unexpected costs and delays during replacement projects.
Customer highlight details weren’t included, but the market data points to useful hiring signals: with no firms offering 24/7 response, plan scheduling ahead and prioritize contractors with steady review histories around that 4.1 average. Request names of installing technicians, confirm warranties and turnaround times, and look for clear estimates that separate labor, parts and permit fees before committing.