10 Best Ventless Gas Fireplace 2026 in the United States

The Comfort Glow Dual Fuel Ventless Gas Fireplace offers a solid heating solution for spaces up to 1,200 sq ft with its 33,000 BTU output, making it a good choice for living rooms or similarly sized areas. Its ventless design allows installation without the need for a chimney, simplifying setup and allowing more flexible placement. This model operates on either natural gas or liquid propane, adding convenience depending on your fuel source availability.

The fireplace includes an electric igniter with one-button start, and it comes with a remote control that makes adjusting the temperature easy from across the room. It features a safety shutoff system, providing peace of mind when running a ventless unit. The elegant pewter oak finish mantel adds a stylish, modern look and serves as a nice focal point in the room. Installation is freestanding and requires assembly, which might need some effort or help.

The remote runs on batteries which you must provide, and the blower to improve heat circulation is sold separately, so additional investment would be needed for better heat distribution. The fireplace boasts a very high fuel efficiency of 99.9%, meaning it uses fuel effectively without wasting energy. This fireplace blends ease of use, attractive design, and versatile fuel options, making it a practical choice for those wanting a ventless fireplace with good heating power and style.

The Duluth Forge Dual Fuel Ventless Gas Fireplace Insert offers a strong heating capacity of 32,000 BTU, suitable for warming spaces up to 1,500 square feet, making it a good fit for medium-sized rooms. One of its standout features is the ability to use either natural gas or liquid propane, giving you flexibility depending on your fuel availability. This vent-free design means you don't need a chimney or external duct, which simplifies installation and allows placement almost anywhere with access to a gas line. It includes a remote control with an LCD screen for easy on/off operation and flame adjustment, adding convenience and comfort.

Safety is addressed with a push-button Piezo ignition and zero-clearance firebox, meaning it can be installed close to walls safely. The fireplace comes with 9 hand-painted ceramic logs that look realistic, enhancing the cozy and classic aesthetic. It weighs 88 pounds and requires clearance above for safety, so some installation planning is necessary. On the downside, it uses 7 AAA batteries for the remote, which means occasional battery replacement, and the unit’s size and weight might require professional installation.

The unit is 99.9% efficient, so it uses fuel well without much waste. This insert suits anyone looking for a stylish, flexible, and efficient heating option without the hassle of venting, especially if you want remote control convenience and attractive realistic logs.

The Duluth Forge Dual Fuel Ventless Gas Fireplace Insert is designed to provide efficient heating for spaces up to 1,500 square feet. With a robust BTU rating of 32,000, this fireplace can quickly warm up larger areas, making it suitable for living rooms or open spaces. One of its standout features is the dual fuel technology, allowing users to choose between natural gas and liquid propane, which adds versatility based on available fuel sources.

The remote control with an LCD screen is a convenient addition, providing ease of use to turn the fireplace on and off from a distance. The design boasts stylish elements like six realistic ceramic logs and a mesh double door, ensuring it blends well with various home aesthetics.

On the safety front, it includes push button Piezo ignition and a zero-clearance firebox that can be directly installed against most walls. This makes installation a breeze, as it doesn't require extensive venting. The fireplace requires an adequate height clearance of 42 inches from the ceiling, which may limit placement options in lower-ceilinged rooms. The 69.5-pound weight also means it's not the easiest to maneuver during installation. Additionally, while the fireplace is efficient, some users may find that the lack of a traditional venting system can lead to potential concerns about indoor air quality, especially in smaller, tightly sealed homes. This product is a solid choice for those looking for an efficient and stylish heating solution without the need for extensive installation requirements, making it best suited for homeowners who prioritize aesthetics along with functionality in larger living spaces.