Gas fireplace insert installation cost

Looking for gas fireplace insert installation cost in Denver, CO? Call FireplaceInstallation Experts for a contact a provider — no obligation. Licensed, insured certified fireplace pros serve Denver 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 you look at getting a fireplace installed, several variables change the final bill. The biggest factor is the type of unit you choose—gas, wood-burning, or electric models all have different requirements. You also have to consider your home's existing ventilation and whether a chimney or direct-vent pipe needs to be built from scratch. If we need to run new gas lines or electrical circuits, that adds labor time and complexity. Your exact pricing is confirmed free on the call.

About this service

An insert is designed to fit inside your existing masonry fireplace. The cost fluctuates based on the size of the insert, the condition of your current chimney, and the complexity of the gas line hookup. If your chimney requires a new liner, that adds to the total labor. Exact pricing confirmed free on the call.

Many people overlook summer for fireplace installations, but it is actually an ideal time. Because demand is lower, you can often secure a time slot that fits your schedule perfectly. It gives us plenty of time to focus on the technical details of your installation, ensuring a smooth process before the busy season hits.

Frequently asked in Denver

What's the average cost to install a fireplace?

The cost can vary quite a bit depending on the type of fireplace and complexity of the installation. Factors like whether you need new venting, gas line work, or significant structural changes in your Denver home will impact the final price. Getting a personalized quote is the best way to understand the investment for your specific situation.

Can I install a fireplace myself?

While some very basic electric fireplaces might be a DIY project, installing a gas fireplace insert is generally not recommended for homeowners. It involves working with gas lines, proper venting, and adhering to strict safety codes. A licensed pro ensures everything is installed correctly and safely for your Denver residence.

How do you install a fireplace?

Professional fireplace installation involves carefully assessing your space, preparing the area, installing the unit, connecting gas and venting, and ensuring all safety checks are completed. The crew that comes out will handle all the technical aspects to ensure your Denver home's new fireplace is safe and functional.

How much does it cost to install a fireplace?

Do fireplaces need to be professionally installed?

What is the 2 + 10 rule for fireplaces?

The 2+10 rule generally refers to the clearance requirements for fireplace hearth extensions and combustible materials. Specific rules can vary by manufacturer and local building codes in Denver. Pros are well-versed in these regulations to ensure safe installation.

Also serving nearby: Aurora · Thornton · Centennial · Westminster · Lakewood

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

Service area details

716,577residents

4,681per sq mile

8ZIP codes served

Serving all of Denver — population 716,577; about 4,681 residents per square mile across 153.1 sq mi. ZIP codes covered include 80201, 80202, 80203, 80204, 80205, 80206, 80207, 80208.

Neighborhoods served in Denver: Capitol Hill, Cherry Creek, LoDo, Wash Park, Highlands — and every surrounding area.