How to Repair a Fireplace Insert Fan? 

A fireplace insert fan can increase the heat output of your hearth stove or gas fireplace by pushing more air into your home. This increases the effectiveness of your stove, allowing it to heat more quickly and efficiently. 

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Fireplace Inserts Make Better Heat with a Blower

A fan can also help your firebox or wood stove produce and retain more heat, which can significantly improve the amount of warmth in your home. In fact, adding a fan to your fireplace can actually increase the temperature it produces by several degrees! 

Installing a Blower

If your fireplace doesn’t have a blower installed, you can purchase a fan kit to add one. These kits are designed to be used with specific models of fireplaces and come with all the necessary mounting hardware and wiring needed to install your new fan. 

Some fireplaces have an easy way to remove their blower from the front panel, but others may require you to open a lower section of the firebox and pull it out (Photo 1). Once you have the old unit removed, clean the area around the fan so it can be installed correctly. 

Before you replace your blower, be sure to turn off the power to your appliance at the breaker. This will prevent damage to your appliance. 

You’ll also want to disconnect the fan power supply wires and the thermostat sensor from your firebox. This can be done using a circuit tester or outlet tester, which are readily available at many home and hardware stores. 

If you have a wired thermostat, you can use an electrical test lamp to check the voltage at your thermostat’s outlet to ensure it’s not being switched on or off by a faulty switch. If your thermostat has a manual switch, you’ll need to use a screwdriver to remove the button. 

The blower is not working properly, or it’s noisy and making a lot of noise. If the blower is making a lot of noise, it’s probably clogged with dust and needs to be cleaned or replaced. 

Another issue is the outlet that the blower plugs into aren’t supplying constant power. If the outlet isn’t supplying constant power, it’s likely defective or wasn’t properly installed by the contractor who installed your fireplace. 

Whether your blower isn’t working or it’s making a lot of noise, you should call a licensed technician to diagnose the problem and repair it. A certified technician is trained in all aspects of fireplace service and can quickly and effectively diagnose and repair any issue that might be affecting the operation of your fan or heater.