Cost of a gas fireplace insert — Knoxville, TN

Last updated: September 24, 2026

Thinking about adding a gas fireplace insert to your Knoxville home? It's a smart way to boost warmth and ambiance, especially with our Tennessee winters. You might be wondering about the upfront cost, or if a gas insert can even go into your existing brick fireplace. Many folks in the Old City or the Fort Sanders area are looking for ways to increase their home's comfort and energy efficiency. We help homeowners in neighborhoods like Bearden and West Hills figure out the best options for their specific needs. Considering the unit itself, installation complexity, and any necessary venting changes all play a part in the final price. Getting a clear picture of what's involved is the first step to enjoying cozy evenings. Don't guess what it might cost; find out for sure. Call us today to get all your questions answered and explore your options.

What affects the price

When you call to discuss a gas fireplace installation, several factors will shape the final number. The biggest variables include whether you are installing a new unit in a blank wall, replacing an existing fireplace, or needing extensive gas line and venting work to bring the space up to code. Choosing between a simple insert or a custom-built hearth with masonry or stone finishes also impacts labor time. Exact pricing confirmed free on the call.

About this service

Investing in a gas fireplace insert involves balancing the cost of the unit with the installation requirements. Factors like the type of remote system, the decorative trim, and the complexity of the chimney venting will shift the final price. While high-end units with premium features are typically more expensive, they often offer better heat control and efficiency. We help you compare options that fit your home's needs without hidden surprises, with exact pricing confirmed free on the call.

Many homeowners ignore their fireplace during the summer, but this is actually the best time to schedule an installation. Since demand is lower, you will likely find more flexibility in scheduling crews. You can get the project finished and out of the way, ensuring your home is ready to go the moment the first chilly breeze arrives.

Frequently asked in Knoxville

Also serving nearby: Asheville · Chattanooga · Murfreesboro · Roswell · Sandy Springs

All cities in Tennessee →

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

Service area details

Serving all of Knoxville — population 198,162; about 2,007 residents per square mile across 98.7 sq mi. ZIP codes covered include 37901, 37902, 37909, 37912, 37914, 37915, 37916, 37917.

Neighborhoods served in Knoxville: Old City, Fort Sanders, Bearden, West Hills, Lakeshore, Downtown Knoxville — and every surrounding area.