Oak Park, California
Looking for heating and air conditioning companies in Oak Park, the unincorporated Ventura County community between Agoura Hills and Thousand Oaks? This page gathers our curated picks for repairs, maintenance and system replacements. We haven’t added an HVAC company based in Oak Park yet, so we’ve included trusted options in nearby Conejo Valley towns below. Ask for a written diagnosis before repairs, compare the cost of repair against replacement for older systems, and confirm the company holds a California C-20 license.
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We haven’t added one here yet. Tell us who your neighbors should know about, and we’ll take a look.
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Trusted picks a short drive away in Agoura Hills and Westlake Village and Thousand Oaks.
ACI HVAC & Plumbing
Agoura Hills
A licensed, bonded and insured HVAC and plumbing company with an office on Kanan Road, offering air conditioner service and maintenance, heating and plumbing. Emergency customer care is available 24/7.
Westlake Village
The Westlake Village location of Fleetwell, offering air conditioning repair, heating, air duct, thermostat and plumbing services. Service can be scheduled online or by phone.
Newbury Park
A family-owned home services company serving the Conejo Valley since 1979 and headquartered in Newbury Park. One team handles heating and air conditioning, plumbing, electrical, roofing, pools and garage doors.
Good to know
Annual maintenance is commonly recommended, ideally servicing air conditioning in spring before inland summer heat arrives and heating in the fall. Filters should be checked more often, especially during fire season.
Consider the age of the system, how often it has needed repairs, and the cost of the repair relative to a replacement. Ask for a written diagnosis and, for replacements, a load calculation to size the new system correctly.
Listings are hand-selected. We look for a strong, consistent record of reviews on established third-party platforms and confirm basic contact details before a business appears. Paid plans can raise where a listing appears on a page, but they don’t buy a place in the guide.
Each rating is shown as published on the named third-party site, such as Yelp, Google, Houzz, WeddingWire or RealSelf, with the review count and a link to the source. Ratings change over time, so check the source for the latest.
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