Cost to install gas fireplace insert

Looking for cost to install gas fireplace insert in St. Petersburg, FL? Call GasFireplaceInsert Experts for a contact a provider — no obligation. Licensed, insured certified gas fireplace pros serve St. Petersburg 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

Several factors influence the final cost, including the complexity of the venting work and whether your home already has a gas line nearby. Consider this investment when you are ready to increase your home’s energy efficiency and comfort. 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 St. Petersburg

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

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

Yes, that's precisely what gas fireplace inserts are designed for. They are made to fit into existing masonry or metal fireplaces in St. Petersburg homes, providing an upgrade to efficiency and ease of use without major construction.

What are the disadvantages of a gas fireplace?

Some homeowners in St. Petersburg prefer the authentic crackle and scent of a wood fire, which gas fireplaces don't replicate. They also require a gas line and electricity, and the upfront cost can be higher than some wood-burning options. However, the convenience is undeniable.

What is the best gas fireplace insert for 2026?

The 'best' insert is subjective and depends on your specific needs and budget in St. Petersburg. We can guide you through popular, reliable models that offer great heating performance and aesthetic appeal. Let's discuss what you're looking for.

What are the disadvantages of a gas fireplace insert?

Gas inserts can't provide the same sensory experience as a wood fire, such as the smell or sound. They also depend on a gas line and electricity. However, the consistent heat, ease of operation, and lower emissions make them a practical choice for many St. Petersburg residents.

What is the lifespan of a gas fireplace?

With proper maintenance and professional servicing, a gas fireplace insert can last for 15 to 20 years. Regular check-ups in St. Petersburg ensure it operates efficiently and safely throughout its lifespan. Quality installation is also crucial.

Also serving nearby: Clearwater · Tampa · Lakeland · Plantation · North Port

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

Service area details

263,553residents

4,264per sq mile

—ZIP codes served

Serving all of St. Petersburg — population 263,553; about 4,264 residents per square mile across 61.8 sq mi.

Neighborhoods served in St. Petersburg: Downtown St. Petersburg, Old Northeast, Crescent Lake, The EDGE District, Gulfport — and every surrounding area.