Hearthstone $$$
GMi 90
Heats 1,100-2,200 sq. ft.
Hearthstone
GMi 90As shown
Configure, Price & Visualize
Verified Estimate answers a few fit questions so the price uses the exact vent kit and install add-ons the 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 the room before anything is decided.
Product Configuration
The unit, the venting it needs, and installation by our own in-house crew—priced right on this page.
This one prices person-to-person — stop by the showroom or send us your measurements, and we’ll work out the exact build and write your estimate.
Available at our Richland Center showroom · SKU PRT-HSN-GMI-90
Basic Product Info
Approx. Heating Area
1,100-2,200 sq. ft.
Fan Kit
Included Up to 20 inches
More Product Info
Heats 1,100-2,200 sq. ft.
Manuals & Spec Sheets
Documentation for this model is available at the showroom.
Common Product Questions
Can I get an instant online estimate for the GMi 90 in Richland Center, WI?
Yes. Center Stove & Fireplace prices the GMi 90 right on this page—the unit, the venting it needs, and installation by our own in-house crew—in about two minutes, free and with no obligation.
What does the estimate include—just the unit?
Everything it takes to get it burning: the GMi 90 itself, the venting it needs, and installation by our own crew. We confirm the details at an in-home or showroom appointment before anything is ordered.
Is the online price real, or just a rough guess?
It’s a real, configured estimate from the live catalog—not a vague range. Choose your options above and the number follows that exact build.
Who installs and services the GMi 90?
Our own team. Center Stove & Fireplace started as a service business in 1991, and 35 years later we still handle everything in-house—we don’t subcontract a single install or service call. We sell it, we install it, and we’re the ones you call when it needs work two winters from now.
Shop the series, not just the model
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A near-miss on size or budget usually has a cousin that fits—ask the showroom team.
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Get an instant estimate right above, or stop by our Richland Center showroom to see it in person. Our in-house team handles installation start to finish.