Is Conditioned Air Design family owned?

No. Conditioned Air Design is owned by PremiStar (Partners Group). The local name was kept after acquisition.

Is it safe to hire Conditioned Air Design?

Ownership doesn't determine the quality of the technician. It does determine the sales process. Get a written quote, decline same-day pressure, and compare with a verified independent.

Parity › Who owns it › Conditioned Air Design

Logo from its own website

Investor-owned · names its owner on its website

Who owns Conditioned Air Design?

The short answer

Conditioned Air Design is owned by PremiStar (Partners Group). It is not an independent local business.

Quick facts

Company: Conditioned Air Design
Trade: HVAC
Serves: Businesses
Based in: West Allis, WI · All investor-owned companies in Wisconsin → Also: Allis, WI
Owned by: PremiStar (Partners Group) · their site
Ownership disclosed?: Yes: the parent is named on the company’s own website (checked 2026-10-14).

What its website says about its history

“We have been supplying the Southeastern Wisconsin market.”

Company website, captured by script 2026-10-14 :: https://www.condairdesign.com/

What it doesn’t say

Who owns it now: PremiStar (Partners Group).

About Conditioned Air Design

Conditioned Air Design provides HVAC services in West Allis, WI. It still trades under its original local name and is owned by PremiStar (Partners Group).

What this means before you call

The name on the truck is not the owner. In investor-owned home-service groups, pricing books, the sales process and financing offers are commonly set centrally rather than by the local office. What to check before you sign →

Sources

PremiStar’s own site lists Conditioned Air Design: source (2026-10-14)
Partners Group's release: Partners Group sees strong growth at US HVAC portfolio companies (says it acquired PremiStar in 2021; EQS Newswire copy): source (2026-08-10)
Conditioned Air Design's own website (its words about its history): source (2026-10-14)
Its own website shows this logo: source (2026-10-15)
Its own site lists 1 offices, also in Allis, WI: source (2026-10-26)

Other brands under PremiStar (Partners Group)

Colorado Mechanical Systems Building Automation Solutions Environmental Control Solutions, Inc.Johansen & Anderson Mercury Corporation Ruyle Mechanical Services Inc.Arctic Engineering Standard Plumbing & Heating Sheet Metal Crafters Capstone Mechanical SI Mechanical LLC Hamlin Air Conditioning & Sheet Metal Inc.

See all 25 PremiStar (Partners Group) brands →

Parity is an editorial publication. Ownership facts are sourced from public filings and company-published material; we make no claim about the quality of any individual technician. Represent Conditioned Air Design or PremiStar (Partners Group)? Verify or contest this page · How we check · Corrections policy. Page generated 2026-10-26 from Parity’s records.