7 AC Replacement Contractors in Hillsboro, OR

4.2 avg rating
812 total reviews
Need emergency service? 9 HVAC providers in Hillsboro offer 24/7 availability

Top-Rated AC Replacement Contractors in Hillsboro

#1

Clog Busters LLC

4.8(367 reviews)
Highly Rated

Across 367 reviews, Clog Busters holds a 4.8-star average, with multiple five-star reviewers praising technician Tom's guidance and the crew's diagnostic…

2900 SE Cornelius Pass Rd Ste 549, Hillsboro, OR 97123
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#2

O'Leary Air

5.0(279 reviews)
Highly Rated

All 258 reviews award O'Leary Air 5 stars, with customers consistently mentioning technician Trevor for diagnostic explanations and installation crews Walker…

429 SW Maple St, Hillsboro, OR 97123
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#3

Pledge Comfort Heating & Cooling

4.9(95 reviews)

All 91 reviews award 5 stars, with reviewers consistently mentioning technician communication and educational explanations. Five reviewers specifically name…

1960 NE 25th Ave Ste 5, Hillsboro, OR 97124
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All AC Replacement Contractors (7 total)

Rubi Heating and Cooling

4.7(62)

Six of six sampled reviewers award a full five stars, with recurring themes of punctual arrival, clear…

615 S 1st Ave, Hillsboro, OR 97123
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Gary and Nicks Heating and Cooling LLP

5.0(5)

All five verified reviews award five stars, with emergency service capabilities mentioned by two reviewers…

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Western Metro Mechanical llc

5.0(4)

Both published reviews award 5 stars, with reviewers specifically noting same-day furnace diagnosis and a…

2055 SE 44th Ave apt, Hillsboro, OR 97123
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Advantage Heating & Air Conditioning

0.0
4660 NE Belknap Ct ste 201w, Hillsboro, OR 97124
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AC Replacement Costs in Hillsboro

Replacement costs for aging systems in Hillsboro. If repair cost exceeds 50% of replacement, replacement is usually more economical.

ServiceLowAverageHigh
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 threshold50% 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.

AC Replacement in Hillsboro, OR: What to Expect

Hillsboro homeowners increasingly recognize that traditional Portland-area comfort standards no longer match reality. While the region enjoys mild, wet winters with January lows around 35 F and dry summers that once averaged a comfortable 81 F, recent heat waves pushing past 100 F have fundamentally shifted cooling expectations in this historically heating-dominated market. With seven HVAC contractors serving the area and maintaining an average 4.2-star rating across 802 verified reviews, the market for professional AC Replacement in Hillsboro has matured significantly.

Cost considerations depend heavily on system specifications. A basic 3-ton central air conditioning unit runs $5,060 to $10,120, while mid-efficiency 4-ton models span $6,900 to $12,880. High-efficiency 5-ton systems represent the premium tier at $8,740 to $14,720. Oregon law requires HVAC contractors to hold both a Limited Journeyman Heating, Ventilating and Cooling credential and a CCB Contractor License from the Construction Contractors Board, ensuring qualified professionals handle installation and any necessary ductwork modifications.

Review patterns reveal consistent strengths among top-rated contractors. Customers repeatedly praise technicians like Tom at Clog Busters for thorough guidance and diagnostic skill, and Trevor at O'Leary Air for clear explanations during the selection process. Installation crews including Walker and Jeremiah receive recognition for completing projects the same day they start. Communication quality stands out across recommendations, with multiple reviewers specifically noting how technicians take time to educate homeowners about system operation and maintenance requirements before leaving the property.

Frequently Asked Questions

AC replacement in Hillsboro runs $1,932-$14,720 depending on system size and efficiency. A 3-ton basic central AC costs $5,500-$11,000 installed, a 4-ton mid-efficiency system $7,500-$14,000, and a 5-ton high-efficiency unit $9,500-$16,000. Full HVAC replacement (AC + furnace combined) averages $11,590-$14,100.