10 Best Ventless Gas Fireplace 2025 in the United States

The Empire Boulevard 48-In Vent-Free Linear Gas Fireplace is a stylish choice for heating and decoration, especially in modern homes. It offers a solid 32,000 BTU heat output, making it capable of warming medium to large living spaces efficiently without the need for a vent. Its electronic ignition system ensures easy and reliable start-up, and the included remote control allows you to adjust the temperature and lighting conveniently from across the room. The programmable LED in-floor lighting adds a nice customizable ambiance that fits well with contemporary décor.

Installation is designed for wall mounting, which works perfectly in open areas or as a see-through room divider. It runs on natural gas or propane, providing flexibility depending on your fuel source. Its relatively large size means placement options might be limited in smaller rooms.

This fireplace suits those wanting a modern, ventless heating solution that combines aesthetics with effective warmth, but users should confirm safety features and installation requirements for their specific space.

The Duluth Forge Dual Fuel Ventless Gas Fireplace is a versatile heating option that runs on either natural gas or liquid propane, offering up to 32,000 BTUs to warm rooms as large as 1,500 square feet. Its dual fuel capability and a thermostat control allow you to customize the heat output easily, making it practical for both mild and colder settings. The ignition uses a simple push-button piezo system, which is easy to operate without batteries.

Safety is well addressed with an oxygen depletion sensor that automatically shuts the unit off if oxygen levels drop, helping prevent carbon monoxide risks. The design is appealing, featuring six hand-painted ceramic logs and a realistic flame effect that brings a cozy and stylish ambiance to living spaces. Installation is straightforward since it’s vent-free and built-in, meaning no chimney or outside ductwork is needed, which can save on setup costs and make placement flexible. The unit’s efficiency is quite high at 99.9%, so it uses fuel economically without losing much heat. However, being ventless means it is best suited for well-ventilated areas, and some users may want to check local regulations about vent-free appliances.

At 45 pounds and with included remote control and mantle, it combines convenience with aesthetics. This product represents a solid choice for those looking for an efficient, easy-to-install fireplace that offers a natural look along with reliable safety features.

The Duluth Forge Ventless Stainless Outdoor Gas Fireplace Insert offers a powerful 24,000 BTU output, making it a strong option for heating outdoor spaces. Its manual control valve and easy start battery-assisted Piezo ignition provide reliable operation, though manual controls may not be as convenient as automatic ones for some users.

Safety is addressed with the inclusion of a drain tray to manage moisture, which is essential for outdoor use. The use of high-quality 304 grade stainless steel ensures durability and longevity, and the product is assembled in the USA, which might appeal to those looking for American-made goods. The reflective crystal glass media adds a stylish touch to the fireplace, creating an attractive flame display that enhances outdoor aesthetics.

Installation is designed to be straightforward, with the fireplace having a relatively slim profile that won't take up too much space. It operates on natural gas but can be converted to liquid propane with the included kit, offering flexibility depending on available fuel. Efficiency is inherently strong given the ventless design, ensuring heat is maximized without loss through a vent.