Fireplace Grate Heaters
A fireplace heat grate is more than just a grate, it’s a heating system designed to transform your wood burning fireplace into a powerful source of warmth. Built from durable steel tubing with a blower assembly, these systems draw in cool air, heat it inside the firebox, and push it back into the room. Whether you’re using a masonry fireplace or a prefabricated (ZC) wood burning fireplace, a fireplace grate heater helps you capture more heat, reduce wood usage, and enjoy a cozier home.
How Fireplace Grate Heaters Work
Unlike a standard grate, a fireplace grate blower features hollow tubing that sits directly in the flames. As the fire heats the tubing, the blower circulates the warmed air into your living space instead of letting it escape up the chimney. Most models are plug-and-play, simply place the unit inside your firebox, plug it into a standard wall outlet, and turn it on. Many units also include adjustable fan speeds or thermostatic control for automatic operation, giving you complete control over your comfort.
The Benefits of a Fireplace Grate Heater
A quality grate heater can generate between 20,000 and 40,000 BTUs per hour, turning your fireplace into a real heat source rather than just a decorative feature. The benefits are clear:
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Greater efficiency – more heat stays in your home instead of being lost up the chimney.
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Reduced wood usage – since more heat is circulated, less fuel is required to maintain comfort.
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Low energy use – powerful heat circulation with minimal electricity.
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Convenience – compact, reliable, and easy to operate.
With a fireplace grate heater with blower, you’ll enjoy a warmer living space and lower heating costs all winter long.
Compatibility and Sizing
Our selection of fireplace grate heaters works with both masonry fireplaces and prefabricated wood burning fireplaces. The only requirement is choosing a grate size slightly smaller than your firebox dimensions for proper clearance and airflow.
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Cascade grate heaters – compatible with masonry fireplaces only.
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Custom Firescreen grate heaters – available for both masonry and ZC fireplaces.
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Fireplace Doors Online grate heaters – compatible with both masonry and ZC fireplaces.
No matter the brand, you’ll find options in multiple sizes to fit most standard fireplaces.
Fireplace Door + Grate Heater Combos
For homeowners with masonry fireplaces, we also offer a fireplace door and blower system. This option pairs a fully customizable masonry fireplace door with an integrated grate heater for a seamless look and maximum performance.
The custom door is built with vented slots along the bottom of the frame that work with the grate heater hidden inside the firebox. From the outside, the system has a clean, polished appearance while delivering the heat output of a grate blower.

As with all of our doors, you’ll have a full range of customization options: finishes, glass tints, door styles, and mesh. The result is a setup that combines the efficiency of a fireplace grate heater with the style and safety of custom fireplace doors.
If you’re searching for fireplace doors with blower or wood burning fireplace doors with blower, this combo is the perfect solution.
Installation and Maintenance
Installing a fireplace grate heat exchanger is straightforward and DIY-friendly. Simply set the grate heater in the firebox and plug it into a standard outlet. As long as the unit is sized correctly to your fireplace, setup is quick and simple.
Maintenance is equally easy, the blowers are designed for long-term use and can be cleaned periodically. Should you need them, we also carry replacement motors and other common parts to keep your system running efficiently.
Grate Heaters vs. Other Heating Options
Customers sometimes compare grate heaters or fireplace doors with blowers with other fireplace heating accessories, such as standalone fireplace fans. While that option does improve circulation, a fireplace grate heater delivers higher BTU output and more consistent heat. Plus with our door + grate heater combos, you don’t have to choose, you can have both efficiency and style in one package.
Bring More Heat Into Your Home
If you want to get more out of your wood burning fireplace, a fireplace grate heater is one of the smartest upgrades you can make. With models for masonry and prefabricated fireplaces - plus exclusive fireplace door + grate heater combos - we have a solution for every setup. Browse our selection today and discover how easy it is to enjoy a warmer, more efficient fireplace.
Frequently Asked Questions
Q: Do fireplace grate heaters really work?
A: Yes. They can produce 20,000–40,000 BTUs per hour, making them one of the most effective ways to heat with a wood burning fireplace.
Q: Can I use a grate heater in my prefabricated fireplace?
A: Yes, as long as you choose a model designed for ZC (prefab) fireplaces. Cascade is masonry-only, but Custom Firescreen and Fireplace Doors Online offer ZC-compatible options.
Q: How do I choose the right size grate heater?
A: Select a grate that is slightly smaller than your firebox in both width and depth to ensure proper fit.
Q: Are fireplace grate heaters noisy?
A: Most units are designed to run quietly, with only a low hum from the blower motor.
Q: Do I need professional installation?
A: No, grate heaters are designed as plug-and-play systems and are very DIY-friendly.
Q: What maintenance is required?
A: Just occasional cleaning. Replacement motors and parts are readily available if ever needed.