Gas fireplace insert installation cost

Looking for gas fireplace insert installation cost in Washington, DC? Call FireplaceInstallation Services for a contact a provider — no obligation. Licensed, insured certified fireplace pros serve Washington 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

Fireplace pricing depends on your specific setup. If you already have a gas line or a chimney in place, the work is much simpler and cheaper. Installing from scratch requires more labor, including framing, venting, and finishing work with stone or tile. The type of unit—whether it is gas, wood, or electric—also changes the budget significantly. Larger units or custom hearth designs naturally add to the cost compared to basic inserts. We can discuss your project details and get exact pricing confirmed free on the call.

About this service

Installing an insert involves fitting a new gas unit into an existing masonry fireplace opening. The cost is influenced by the condition of your current chimney, whether a gas line needs to be extended, and the size of the insert. Simple replacements are less expensive than those requiring major liner upgrades. While costs vary, they are typically in the thousands. Exact pricing confirmed free on the call.

Summer might seem unusual for fireplace work, but it is actually the most efficient time to renovate. Contractors are often less busy, meaning you get more attention and faster installation times. By tackling this project now, you skip the waitlists that pop up once the temperature drops. You will be fully prepared well before the first frost arrives.

Frequently asked in Washington

What's the average cost to install a fireplace?

Can I install a fireplace myself?

How do you install a fireplace?

Professional fireplace installation involves careful site preparation, secure gas line connection, fitting the insert into the existing opening, and ensuring proper sealing and ventilation. For gas fireplace inserts in Washington D.C., specialists conduct thorough safety checks for efficient and secure operation.

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 is a safety standard for chimneys. It requires the chimney to extend at least two feet above the highest point of the roof it penetrates. Additionally, it must be at least ten feet horizontally away from any part of the roof that is higher than the chimney. This ensures proper draft and fire safety.

Also serving nearby: Alexandria · Baltimore · Richmond · Reading · Philadelphia

All cities in District of Columbia →

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

Service area details

678,972residents

11,107per sq mile

8ZIP codes served

Serving all of Washington — population 678,972; about 11,107 residents per square mile across 61.1 sq mi. ZIP codes covered include 20001, 20002, 20003, 20004, 20005, 20006, 20007, 20008.

Neighborhoods served in Washington: Georgetown, Dupont Circle, Capitol Hill, Adams Morgan, Shaw, Penn Quarter — and every surrounding area.