---
title: "HVAC Replacement Cost in Ventura County (2026)"
description: "HVAC replacement in Ventura County costs $5k–$37k by scope in 2026. A mid-size job runs $11k–$21k. Prices city by city, plus free bids."
url: https://keystoneconnect.us/cost/ventura-county/hvac
updated: 2026-10-27
---

Ventura County · cost guide

# HVAC replacement prices in Ventura County: 2026 ranges

An HVAC replacement in Ventura County typically runs $11k–$21k for a mid-size HVAC system. Small projects start around **$5k**; large or high-end work can reach **$37k** or more.

As of 2026, Ventura County runs about 5% above the LA County baseline due to Coastal Commission review west of the 101, Conejo Valley HOA standards, and wildfire-zone building rules.

Updated October 2026

Get matchedCity-by-city costs

## HVAC Replacement Cost by Size — Ventura County Average

County-average ranges (1.05× LA County baseline). Individual cities vary — see the table below.

HVAC Replacement cost by size, Ventura County average
| Size | Type | Range | Low | High |
| --- | --- | --- | --- | --- |
| Small | Mini-split / 1–2 zones | <1,200 sq ft | $5k | $11k |
| Medium | Central AC + furnace | 1,500–2,500 sq ft | $11k | $21k |
| Large | Dual-zone / high-efficiency | 2,500+ sq ft | $19k | $37k |

## HVAC Replacement Cost by City in Ventura County

Every city in Ventura County, sorted alphabetically. Totals reflect each city's local cost multiplier. Cities in color have full project-specific pages.

HVAC Replacement cost by city in Ventura County
| City | Small | Medium | Large |
| --- | --- | --- | --- |
| [Camarillo](https://keystoneconnect.us/cities/camarillo/hvac) | $5k–$11k | $11k–$21k | $19k–$36k |
| Fillmore | $4k–$9k | $9k–$18k | $16k–$32k |
| Moorpark | $5k–$10k | $10k–$21k | $19k–$36k |
| Ojai | $5k–$11k | $11k–$22k | $20k–$39k |
| [Oxnard](https://keystoneconnect.us/cities/oxnard/hvac) | $5k–$10k | $10k–$19k | $17k–$34k |
| Port Hueneme | $4k–$10k | $10k–$19k | $17k–$33k |
| Santa Paula | $4k–$9k | $9k–$18k | $16k–$32k |
| [Simi Valley](https://keystoneconnect.us/cities/simi-valley/hvac) | $5k–$10k | $10k–$20k | $18k–$35k |
| [Thousand Oaks](https://keystoneconnect.us/cities/thousand-oaks/hvac) | $5k–$11k | $11k–$23k | $20k–$39k |
| [Ventura](https://keystoneconnect.us/cities/ventura/hvac) | $5k–$10k | $10k–$21k | $19k–$36k |

## Want an exact HVAC replacement price for your home?

Skip the averages. Get two or three real bids from licensed builders in Ventura County.

Tell us about your project[or call (818) 482-8365](tel:+18184828365)

## What Affects HVAC Replacement Cost in Ventura County?

-   SEER2 rating (CA minimum 15 SEER2).
-   Ducted vs ductless.
-   Ductwork condition.
-   Permit.
-   Brand (Carrier / Lennox / Trane).
-   Electrical panel upgrade if needed.
-   Ventura County market dynamics: Coastal Commission review west of the 101, Conejo Valley HOA standards, and wildfire-zone building rules, which shifts HVAC replacement totals about 5% above the LA County baseline.
-   City variation within Ventura County: coastal and hillside cities can run 15–30% above the county mid-point, while inland labor markets price 10–20% below.

## HVAC Replacement Sub-Type Comparisons

### Central AC Replacement vs Heat Pump Installation

Central AC + gas furnace is the SoCal default; a heat pump (all-electric) qualifies for federal IRA rebates of $2k–$8k.

### Mini-Split Installation vs Central AC Replacement

Mini-splits skip ductwork and fit older homes; central AC requires existing or new ductwork but is more efficient on larger floor plans.

## How to Get the Best Price on a HVAC Replacement in Ventura County

1.  Get line-itemized bids from two or three builders on the same scope; Ventura County HVAC replacement pricing commonly varies 10–25% between contractors.
2.  Compare bids from contractors based in multiple Ventura County cities; inland-based crews servicing coastal jobs often beat coastal-based pricing.
3.  Bid in shoulder seasons (Jan–Mar or Sep–Oct) when Ventura County contractor schedules are open and rush premiums disappear.
4.  Verify CSLB license, insurance, and bond before paying any deposit. California caps deposits at $1,000 or 10% of contract, whichever is less.

## What is an HVAC replacement?

An HVAC replacement swaps out a home's heating and cooling equipment, such as a furnace and air conditioner, a heat pump or ductless mini-splits, along with any ductwork repairs and a new thermostat.

## How to get an accurate price

1.  1.Write down the scope: size, any layout changes, the finish level, and who supplies fixtures and materials.
2.  2.Get bids from two or three licensed builders who work in Ventura County, all pricing that same HVAC replacement scope.
3.  3.Line the bids up item by item. Check allowances, permits, exclusions, and whether overhead and profit are shown.
4.  4.Before any deposit, check each builder's CSLB license and insurance. As of 2026, California caps a home improvement down payment at $1,000 or 10% of the contract, whichever is less, according to the Contractors State License Board.

Already have a bid? [Grade it in two minutes](https://keystoneconnect.us/grade-my-bid) or read [how to compare quotes](https://keystoneconnect.us/pillars/how-to-read-compare-contractor-quotes).

## Questions about HVAC Replacement in Ventura County

### How much does an HVAC replacement cost in Ventura County?

+

An HVAC replacement in Ventura County costs $5k–$37k, with a typical mid-size HVAC system running $11k–$21k at the county average.

### Where is HVAC replacement cheapest in Ventura County?

+

Within Ventura County, inland and value-tier cities price HVAC replacement jobs 10–25% below the county average, while coastal and luxury-tier cities can run 20–35% above. See the city-by-city table below for exact totals.

### Do I need a permit for an HVAC replacement in Ventura County?

+

Yes for most scopes — the city building department (Ventura, Oxnard, Thousand Oaks, etc.) or Ventura County Building & Safety for unincorporated parcels requires permits any time you move plumbing, gas, electrical, or change structure. Like-for-like cosmetic refreshes generally don't.

## Official sources

-   [Look up a contractor's license on the CSLB website](https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx)
-   [California home improvement contract requirements (Business and Professions Code §7159)](https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=BPC&sectionNum=7159)

## Keep exploring

Compare HVAC replacement costs across Ventura County, or browse other projects and guides.

### More Ventura County cost guides

-   [Kitchen Remodel cost](https://keystoneconnect.us/cost/ventura-county/kitchen-remodel)
-   [Bathroom Remodel cost](https://keystoneconnect.us/cost/ventura-county/bathroom-remodel)
-   [ADU Construction cost](https://keystoneconnect.us/cost/ventura-county/adu)
-   [Room Addition cost](https://keystoneconnect.us/cost/ventura-county/room-addition)
-   [Garage Conversion cost](https://keystoneconnect.us/cost/ventura-county/garage-conversion)
-   [Roof Replacement cost](https://keystoneconnect.us/cost/ventura-county/roof-replacement)
-   [Pool Construction cost](https://keystoneconnect.us/cost/ventura-county/pool-construction)

### HVAC Replacement by city

-   [HVAC Replacement in Ventura](https://keystoneconnect.us/cities/ventura/hvac)
-   [HVAC Replacement in Oxnard](https://keystoneconnect.us/cities/oxnard/hvac)
-   [HVAC Replacement in Camarillo](https://keystoneconnect.us/cities/camarillo/hvac)
-   [HVAC Replacement in Thousand Oaks](https://keystoneconnect.us/cities/thousand-oaks/hvac)
-   [HVAC Replacement in Simi Valley](https://keystoneconnect.us/cities/simi-valley/hvac)

### Renovation guides

-   [HVAC Replacement cost across SoCal](https://keystoneconnect.us/cost-guides/hvac)
-   [Renovation cost per sq ft in LA](https://keystoneconnect.us/pillars/renovation-cost-per-sqft-los-angeles)
-   [How to read & compare quotes](https://keystoneconnect.us/pillars/how-to-read-compare-contractor-quotes)
-   [Negotiating contractor bids](https://keystoneconnect.us/pillars/negotiating-contractor-bids-save-money)
-   [Spotting hidden markups](https://keystoneconnect.us/pillars/hidden-contractor-markups-inflated-quotes)

## Get Matched with Licensed Ventura County Contractors

Tell us about your HVAC replacement and we'll line up two or three licensed builders anywhere in Ventura County.