Installation cost of mini split ac — Hillsboro, OR

Last updated: September 24, 2026

What affects the price

Installing a new HVAC system involves several variables that shift the final total. The square footage of your home and the necessary cooling capacity—measured in tons—are the biggest factors. You also have to consider the efficiency rating of the unit, the complexity of your existing ductwork, and whether you need to upgrade electrical or gas lines to accommodate the new equipment. Choosing between a standard single-stage unit or a high-efficiency multi-stage system changes the upfront investment significantly. Exact pricing confirmed free on the call.

About this service

A mini-split installation involves mounting indoor air-handling units and connecting them to an outdoor compressor via small refrigerant lines. The price is influenced by the number of zones you need to cool, the length of the lines, and the complexity of the wall penetrations. Your exact pricing is confirmed free on the call.

Summer installations are common when systems fail under heavy load. If you are struggling with poor cooling or high energy bills, upgrading during the season can provide immediate relief. We focus on rapid deployment to get your air conditioning running efficiently, helping you keep your indoor climate manageable even during the hottest weeks of the year.

Frequently asked in Hillsboro

Also serving nearby: Beaverton · Portland · Vancouver · Gresham · Salem

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More on this: DOE home heating — system sizing and savings.

Service area details

Serving all of Hillsboro — population 107,730; about 4,168 residents per square mile across 25.8 sq mi. ZIP codes covered include 97123, 97124, 97129.

Neighborhoods served in Hillsboro: Orenco Station, Brookwood, Downtown Hillsboro, South Hillsboro, North Hillsboro — and every surrounding area.