Verified Estimate answers a few fit questions so the price uses the exact vent kit and install add-ons your space needs. The most accurate number.
Quick Estimate uses the simplest vent kit and a baseline install. A fast starting number, no questions.
Visualizer shows this unit rendered in a photo of your own room before you decide.
Product Configuration
Set the unit up the way you'd order it—then price it installed or see it in your own room, right on this page.
This one is priced in person. Schedule your free in-home visit, and our team measures, confirms every install detail, and writes your estimate on the spot.
Basic Product Info
Approx. Heating Area
700-1,400
Fan Kit
Optional Up to 16 inches
More Product Info
Warm your living area with a clean, efficient, long-lasting fire in a clean-traditional Green Mountain wood stove. Clean Traditional Cast Iron Our GM40 wood stove is styled with clean lines and offered in traditional black cast iron. Built for the wood stove purist. TruHybrid Reliability Our Green Mountain stoves exceed EPA clean burning standards. You can be sure they will burn clean today and for many years to come. Soapstone Firebox Lining The GM40 is lined with soapstone blocks. Soapstone absorbs the heat of the fire to give you long-lasting comfortable heat.
Manuals & Spec Sheets
Documentation for this model is available in the showroom.
Common Product Questions
Can I get an instant online estimate for the Hearthstone Green Mountain 40 8640 in northern Utah?
Yes. Timber Ridge Fireplace & Design prices the Hearthstone Green Mountain 40 8640 right here on this page. The estimate covers the unit, the venting it needs, and installation by our own crew, and it takes about a minute. There is no obligation and no phone call required.
What does the estimate include—just the fireplace?
Everything it takes to get it running: the Hearthstone Green Mountain 40 8640 itself, the venting it needs, and turnkey installation by our own NFI-certified crew. One number for the whole project.
Is the online price real, or just a rough guess?
It’s a real, configured estimate from our live catalog, not a vague range. Choose your options above and the number reflects that exact build. Final pricing is confirmed at your free in-home visit.
Do you install and service the Hearthstone Green Mountain 40 8640 yourselves?
Yes. Timber Ridge has installed and serviced fireplaces across northern Utah since 2019 on a Utah general contractor license. Our own crew handles the whole job, and we service what we sell.
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Count on one team to handle the whole project—from the first visit to the final walkthrough. Get an instant estimate online, or see how a new fireplace will look in your own room.