Direct Vent Gas Fireplace Chases Explained

Congratulations – you found the perfect gas fireplace. You looked at all the options and decided to go with a traditional style direct vent gas fireplace, completed with a stone surround, sturdy hearth and wood mantel. And you’re thinking… all that’s left is relaxing in the glow of a cozy fire! But wait, there’s one more decision out there to make – what kind of chase is best for your room.

What is a chase, you ask? For direct vent gas fireplaces, it is an insulated structure that houses the fireplace. Built according to careful specifications, a chase can either be added to the exterior of the home (a mini-chase), or installed into the living space (a reverse or interior chase). What you chose depends on how much space you have in the room, and how you’d like the fireplace to be positioned – either nearly flush with the wall, or a few feet into the room.

This infographic will help you visualize the difference between a mini chase and a reverse/interior chase…

Click here to view as PDF.

You see, with a mini chase the fireplace doesn’t require much floor space since the chase is built on the outside of the house wall. But if you have ample room and don’t mind if the fireplace extends into the room, a reverse/interior chase will work. Some fireplaces, like the Heat & Glo SL-750 Slim Line, are narrow and designed to take up only 1.5’ of floor space, so they are a great choice if you have limited space and prefer a reverse/interior chase. Keep in mind that mini chases are more expensive since they are structures that require construction, but they save floor space, which is important to many homeowners and architects.

Direct vent gas fireplaces can be installed either way. Check them out here.

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