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Browse ProductsGoodman 97% AFUE 100,000 BTU Variable Speed Modulating Down flow/Horizontal Gas Furnace (21″ Wide)
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- Free shipping — most items ship by the next day
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
Licensed HVAC technician required. Must be installed by a certified professional. Improper installation voids the manufacturer warranty.
- Free shipping — most items ship by the next day
-
- Free shipping — most items ship by the next day
Goodman 97% AFUE 100,000 BTU Variable Speed Modulating Down flow/Horizontal Gas Furnace (21″ Wide)

This Goodman GDVM97 series high efficiency gas furnace provides excellent heating performance and economical operation for your home. The 97% efficient rating means that 97 cents of every dollar spent on heating energy goes toward warming your home. With a great warranty, this 100,000 BTU/H furnace will offer maximum comfort for years to come.
FEATURES
Energy Star Certified
10 year warranty on parts
Lifetime warranty on heat exchanger
Efficient & quiet variable-speed ECM blower motor
Designed for vertical down flow and horizontal installations
Self-calibrating modulating gas valve auto-configure for each installation
Heavy duty aluminized steel tubular heat exchanger
Stainless steel secondary heat exchanger
Integrated communicating ComfortBridge technology
Self diagnostic control board
Quiet variable speed induced draft blower
Fully insulated heat exchanger and blower section
Multiple continuous fan speed options offer quiet air circulation
Durable silicon nitride igniter
Complies with California low NOx emission standards
Convertible for use with LP (propane) gas
SPECIFICATIONS
Dimensions: H34 1/2” x W21″ x D28 3/4”
Input BTU: 100,000
AFUE: 97%
Volts: 115
Hertz: 60
Phase: 1
Genuine OEM parts
Easy online ordering
30-day hassle-free returns
Help when you need it
What buyers are saying
Verified reviews from customers who purchased this product.
I was blown away by the incredible performance of this furnace—efficient, powerful, and beyond expectations. An unbeatable price for top-tier quality, keeping my home perfectly warm while saving on energy costs.
I couldn’t be more impressed with the Goodman 97% AFUE 100,000 BTU Variable Speed Modulating Downflow/Horizontal Gas Furnace! The price is fantastic for such high-performance equipment, and it heats my home flawlessly, offering incredible efficiency and comfort all season long!
The Goodman 97% AFUE 100,000 BTU Variable Speed Modulating Downflow/Horizontal Gas Furnace (21″ Wide) delivers unmatched efficiency and comfort, keeping my home warm without breaking the bank. The value for the price is astonishing, and the variable speed modulating feature is a total game-changer for smooth, consistent heating!
I just got the Goodman 97% AFUE 100,000 BTU Variable Speed Modulating Downflow/Horizontal Gas Furnace (21″ Wide), and I’m absolutely blown away by the unbeatable price, outstanding equipment quality, and stellar performance – a heating powerhouse that has surpassed all my expectations!
Transform your home into a haven of warmth and efficiency with the Goodman 97% AFUE 100,000 BTU Variable Speed Modulating Downflow/Horizontal Gas Furnace (21″ Wide)! The unbeatable price, combined with exceptional equipment and outstanding performance, delivers a surprising level of comfort, making it a stellar investment for winter bliss!
I recently purchased the Goodman 97% AFUE 100,000 BTU Variable Speed Modulating Downflow/Horizontal Gas Furnace (21″ Wide), and I’m thrilled with the outstanding price I secured for such an advanced and energy-efficient heating solution. The furnace’s variable speed modulating performance not only delivers precise and customizable warmth but also sets a new standard for affordability and top-tier functionality, making it an unbeatable choice for efficient and cost-effective home heating.
The Goodman 97% AFUE 100,000 BTU gas furnace is an absolute marvel! Its variable speed modulating system in a sleek 21″ design delivers superior heating efficiency at an unexpectedly affordable price, making it an impressive addition to any home.




