Cost of a gas fireplace insert — Ontario, CA

Looking for cost of a gas fireplace insert in Ontario, CA? Call GasFireplaceInsert Experts for a contact a provider — no obligation. Licensed, insured certified gas fireplace pros serve Ontario and the surrounding area, and you'll get straight answers on timing and what affects the price.

Last updated: September 24, 2026

What affects the price

When estimating a gas fireplace project, several variables shift the final number. The type of unit—whether you choose a direct vent, vent-free, or an insert—plays a big role. You also have to account for the labor required to run new gas lines or update venting through your walls and roof. Customizing the surround, including stone, tile, or a new mantel, adds to the material costs. If you are converting an existing wood-burning fireplace, the complexity of the chimney liner installation will impact the total. Exact pricing confirmed free on the call.

About this service

Your total cost involves the appliance, venting materials, and the technician's time to ensure a safe, code-compliant installation. Prices change based on the BTU output and the efficiency rating of the model you choose for your space. We assess your home and provide an exact pricing confirmed free on the call.

Summer is the smartest time to plan a new fireplace installation or replacement. Because contractors are not dealing with the winter rush, you often have more flexibility with scheduling appointments. It is the perfect opportunity to renovate your fireplace surround or upgrade to a more efficient model while you aren't reliant on it for daily heat.

Frequently asked in Ontario

What's the average cost of a gas fireplace insert?

Can you put a gas fireplace insert in an existing fireplace?

Yes, most existing fireplaces in Ontario can be retrofitted with a gas insert, turning them into efficient and convenient heat sources. The pros will verify dimensions and structural integrity. This is a common and effective upgrade for homes across the city.

What are the disadvantages of a gas fireplace?

What is the best gas fireplace insert for 2026?

What are the disadvantages of a gas fireplace insert?

Gas inserts require a gas line and adequate venting, which can add to the initial investment for installation in Ontario. The specific insert model chosen and your existing chimney's condition will also play a role. Get a personalized quote from the pros.

What is the lifespan of a gas fireplace?

With regular maintenance, a gas fireplace insert can last 15-20 years or more. Consistent professional servicing ensures optimal performance. This makes it a reliable and long-term investment for your home's comfort.

Also serving nearby: Chino · Rancho Cucamonga · Jurupa Valley · Pomona · Fontana

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More on this: CSIA gas appliance guidance — venting and inspection.

Service area details

182,457residents

3,650per sq mile

4ZIP codes served

Serving all of Ontario — population 182,457; about 3,650 residents per square mile across 50.0 sq mi. ZIP codes covered include 91758, 91761, 91762, 91764.

Neighborhoods served in Ontario: Etiwanda, Vineyard, Central Ontario, Creekside, Grosvenor Park — and every surrounding area.