Looking for cost for 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

The cost for a gas fireplace insert is determined by the specific unit you select and the labor needed to vent it properly through your chimney. Upgraded features like ceramic glass, realistic log sets, and programmable thermostats will shift the total. We look at your specific fireplace to 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, you can. This is a major advantage of gas inserts. Most existing wood-burning fireplaces in Ontario can be retrofitted with a gas insert, often with minimal structural work. It's a popular upgrade for convenience and efficiency.

What are the disadvantages of a gas fireplace insert?

Gas fireplaces don't offer the sensory experience of a wood fire – no crackling sounds or smoky aroma. You'll need a gas line, which is an initial installation expense. Some find the visual appeal of gas flames less captivating than wood. Regular professional maintenance is still important for safety.

What is the best gas fireplace insert for 2026?

The 'best' insert depends on your specific needs in Ontario, including heating requirements, aesthetic preferences, and budget. We recommend consulting with a qualified installer who can assess your home and recommend top-performing models that align with your priorities for efficiency and style.

What are the disadvantages of a gas fireplace?

A primary disadvantage is the lack of the authentic sensory experience provided by a real wood fire. Initial installation can be more costly due to the necessity of a gas line. While convenient, some individuals prefer the visual dynamics of wood flames. Routine professional servicing is essential for safe operation.

What is the lifespan of a gas fireplace?

With consistent professional maintenance, a gas fireplace insert can last between 15 to 20 years. Regular servicing ensures it operates safely and efficiently throughout its intended lifespan. This includes annual inspections and cleaning by qualified technicians.

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: Downtown Ontario, Montclair, Upland, Chino Hills, Eastvale — and every surrounding area.