Cost of a gas fireplace installation

Looking for cost of a gas fireplace installation in Ontario, CA? Call FireplaceInstallation Solutions for a contact a provider — no obligation. Licensed, insured certified 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

Local housing snapshot: Ontario, CA

Population: about 178,000
Median year homes were built: 1980
Homes built before 1980: 51%
Owner-occupied homes: 57%

Older homes can mean different materials, wiring, venting or permit needs. Mention your home's age when you contact a provider.

Source: U.S. Census Bureau, American Community Survey 2019–2023 5-year estimates.

Considering a new fireplace for your Ontario home? A beautiful fireplace can transform your living space, adding warmth and a focal point for gatherings, especially during the cooler Inland Empire seasons. You're likely curious about the cost of a gas fireplace installation and how factors like venting requirements and the specific unit you choose can influence the final price. It's also smart to be aware of safety guidelines, like the 2+10 rule for chimney height, which ensures proper draft and performance. Understanding these details is key to a successful project. We're here to help you get clear answers. We want you to feel confident in your choice. Let us guide you through the process. Your ideal fireplace is closer than you think. We know that getting a fireplace installed in your Ontario residence is an important home improvement project. You want to ensure you have all the necessary information about the process, including costs and installation requirements. That's why we're dedicated to making this easy for you. This is your chance to get personalized guidance from experts. Call us today to get started and take the first step towards enjoying a beautiful new fireplace.

What affects the price

When you start planning a fireplace installation, the final bill depends on a few major factors. Choosing between a simple electric unit, a gas insert, or a full wood-burning masonry build creates the biggest difference in cost. You also have to consider the existing setup of your home; running new gas lines or venting through a roof will naturally add labor hours compared to a straightforward swap. Finishing materials like custom stonework or mantel pieces also shift the total.

About this service

The total cost of a gas fireplace installation covers the unit itself, the labor for gas line connections, and the necessary venting to the exterior. If you have an existing masonry fireplace, an insert is often the most cost-effective way to upgrade. We will look at your gas pressure and venting path to give you a clear picture.

Most people do not think about fireplaces in the summer, which makes it the best time for a stress-free installation. You will likely find more convenient appointment times and faster project turnaround. It is the perfect window to handle masonry or venting work while the weather is dry and clear, keeping the process clean and efficient for your home.

Frequently asked in Ontario

What's the average cost to install a fireplace?

The average cost to install a fireplace in Ontario can vary significantly based on the fireplace type and installation complexity. Gas fireplace installations often differ in price from electric or wood-burning units, and the venting system is a major consideration. We can provide a precise quote.

What is the 2 + 10 rule for fireplaces?

Can I install a fireplace myself?

How do you install a fireplace?

The process involves preparing the designated area, installing the firebox, running gas lines or constructing the chimney, and ensuring proper ventilation for safe and efficient operation. The skilled crew that comes out will manage every detail.

How much does it cost to install a fireplace?

The cost depends on the fireplace model chosen, whether it's gas, electric, or wood-burning, and the complexity of the venting and installation. We can provide a detailed quote for your Ontario home after discussing your specific project needs.

Do fireplaces need to be professionally installed?

Yes, professional installation is crucial for safety, efficiency, and compliance with building codes in Ontario. This is especially true for gas fireplaces, which involve handling fuel lines. Trust the experts to ensure your fireplace is installed correctly and safely.

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

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More on this: NFPA heating safety — heating equipment fire data.

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, Central Park, Montclair, Upland, Eastvale — and every surrounding area.