Zero Clearance or Masonry Fireplace?

Thinking about buying an insert? The kind of fireplace you have makes a difference.
NDI35 gas insert

If you’re considering installing a fireplace insert, knowing what type of fireplace you currently have will be helpful to you and your hearth dealer.

Your fireplace is likely either masonry built, or zero clearance. Masonry built fireplaces are usually constructed of brick or stone with fireboxes made of the same material, creating a solid barrier between the fireplace and construction materials. Generally the firebox has little to no metal, and may or may not have doors. Zero clearance fireplaces, on the other hand, are manufactured fireboxes that are fire-rated to that no (zero) clearance is required between the firebox and construction materials like wood framing and sheetrock.

Traditional wood-burning masonry fireplace with burning logs on andiron and poker nearby.
Example of a masonry-built fireplace
Outdated zero-clearance, wood-burning fireplace with brass doors and dirty ashes.
Example of a zero clearance fireplace

The image below provides more information to help you understand the difference between masonry built and zero clearance fireplaces. What kind of fireplace do you have?

Chart with pictures and detailed comparison of masonry and zero-clearance fireplaces.
Click here for larger version

With this knowledge, you can vision your local Heatilator dealer to investigate your options for inserts.

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Contact a dealer about pricing, installation and any available incentives or promotions in your area.

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