Cost of fireplace insert installation

Looking for cost of fireplace insert installation in Knoxville, TN? Call FireplaceInstallation Solutions for a contact a provider — no obligation. Licensed, insured certified fireplace pros serve Knoxville 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: Knoxville, TN

Population: about 194,000
Median year homes were built: 1974
Homes built before 1980: 59%
Owner-occupied homes: 47%

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.

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

Several factors influence this total, including the condition of your chimney, the need for a professional flue liner, and the specific model of insert you choose. If you are converting an old wood-burning hearth to a more efficient gas or electric system, the preparation work will be a key cost factor. We provide exact pricing confirmed free on the call.

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 Knoxville

What's the average cost to install a fireplace in Knoxville?

What is the 2+10 rule for fireplaces?

The 2+10 rule is a building code that typically requires a fireplace chimney to extend at least two feet above the highest point of the building it penetrates, and ten feet horizontally from that point. This ensures proper ventilation and prevents smoke from entering your home. Knoxville pros will ensure your installation meets these safety standards.

Can I install a fireplace myself?

How do you install a fireplace?

Professional installation involves carefully assessing your home's structure, installing the fireplace unit, running necessary gas or electric lines, and ensuring proper venting and chimney connections. The pros will ensure it's sealed correctly to prevent drafts and meet all safety requirements in Knoxville.

How much does it cost to install a fireplace?

Do fireplaces need to be professionally installed?

Yes, for safety and compliance, most fireplace installations require professional expertise. This is especially true for gas fireplaces or when significant structural modifications are needed. Knoxville pros ensure your fireplace is installed correctly and safely.

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

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

Service area details

198,162residents

2,007per sq mile

8ZIP codes served

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: Downtown Knoxville, West Knoxville, North Knoxville, South Knoxville, East Knoxville, Bearden — and every surrounding area.