D40 Deep Timber Gas Insert
Overview
Mendota's gas fireplace inserts instantly enhance the beauty and functionality of your existing woodburning fireplace. Available in two sizes, both gas fireplace insert models feature sealed combustion, direct vent technology that keeps warm air in and cold air out, assuring high air quality, maximum efficiency and trouble-free operation in today's tight homes.
Quick Specs
- BTUs: Up to 39,000 Input
Natural Gas
| BTU | 10,000 - 40,000 Input |
|---|---|
| Width | 34 in. |
| Height | 24-3/4 in. |
| Depth | 16-1/4 in. |
| Weight | 185 lbs. |
Liquid Propane
| BTU | 10,000 - 39,000 Input |
|---|---|
| Width | 34 in. |
| Height | 24-3/4 in. |
| Depth | 16-1/4 in. |
| Weight | 185 lbs. |
Minimum Fireplace Opening
| Width | 34-1/4 in. |
|---|---|
| Height | 23-1/4 in. |
| Depth | 16-1/4 in. |
Hearth Blog Posts
Is my Fireplace Safe to Use? What Safety Checks Do I Need?
Before you light that first fire of the season, take a few minutes to make sure your fireplace is safe. This guide walks you through the DIY safety checks you can do yourself for gas, wood-burning, and electric fireplaces, explains what a professional inspection covers, and tells you exactly when to stop and call for help — including the 8 warning signs you should never ignore.
How Much Does It Cost to Install a Fireplace?
The fireplace unit gets most of the attention, but installation is where the real budget lives. In this guide, we break down every installation cost line by line — venting, framing, gas line, electrical, permits, labor, and finishing — for gas, wood-burning, and electric fireplaces. Plus, exactly what to bring to your first consultation so we can give you an accurate estimate on the spot.
How Much Does a Fireplace Cost?
Adding a fireplace to your home is one of the most impactful upgrades you can make—for comfort, ambiance, home value, and even energy savings. But before you walk into a showroom, most homeowners want to know one thing: how much is this actually going to cost?
