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Furnaces

Goodman 96% 120K BTU Gas Furnace 9-Speed 24.5"W Two Stage Upflow/Horizontal

SKU: GR9T961205DN
Product ID: 100930
Original price $0.00 - Original price $0.00
Original price $0.00
$2,629.00
$2,629.00 - $2,629.00
Current price $2,629.00

Product Details Goodman 96% 120,000 BTU Gas Furnace Two Stage 24.5"W Upflow/Horizontal GR9T961205DN The Goodman GR9T961205DN gas furnace is built ...

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Goodman 96% 120K BTU Furnace 9-Speed 24.5"W Single Stage Upflow/Horizontal

SKU: GR9S961205DN
Product ID: 100912
Original price $0.00 - Original price $0.00
Original price $0.00
$2,578.00
$2,578.00 - $2,578.00
Current price $2,578.00

Product Details Goodman 96% 120K BTU Gas Furnace Single Stage 24.5"W Upflow/Horizontal GR9S961205DN The Goodman GR9S961205DN is Goodman’s largest-...

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Goodman 96% AFUE 100K BTU Furnace Variable Speed 24.5"W Upflow/Horizontal

SKU: GRVT961005DN
Product ID: 101419
Original price $0.00 - Original price $0.00
Original price $0.00
$3,318.00
$3,318.00 - $3,318.00
Current price $3,318.00

Product Details Goodman 96% 100K BTU Gas Furnace Variable Speed Upflow/Horizontal 24.5"W GRVT961005DN The Goodman GRVT961005DN gas furnace combin...

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Goodman 97% AFUE 120K BTU Furnace Variable Speed 24.5"W Upflow/Horizontal

SKU: GRVM971205DN
Product ID: 101412
Original price $0.00 - Original price $0.00
Original price $0.00
$3,839.00
$3,839.00 - $3,839.00
Current price $3,839.00

Product Details Goodman 97% 120K BTU Gas Furnace Variable Speed Upflow/Horizontal 24.5"W GRVM971205DN The Goodman GRVM971205DN is a top-of-the-lin...

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Goodman 92% AFUE 120K BTU Gas Furnace 24.5"W Nine-Speed Upflow/Horizontal

SKU: GR9S921205DN
Product ID: 100905
Original price $0.00 - Original price $0.00
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$2,306.00
$2,306.00 - $2,306.00
Current price $2,306.00

Product Details Goodman 92% AFUE 120K BTU Gas Furnace R32 Nine-Speed Upflow/Horizontal GR9S921205DN The Goodman GR9S921205DN is engineered for pow...

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Goodman 80% 120K BTU Gas Furnace 9-Speed 24.5"W Two Stage Upflow/Horizontal

SKU: GR9T801205DN
Product ID: 100968
Original price $0.00 - Original price $0.00
Original price $0.00
$1,867.00
$1,867.00 - $1,867.00
Current price $1,867.00

Product Details Goodman 120K BTU 80% Gas Furnace Two-Stage 9-Speed 24.5" Upflow/Horizontal R32 GR9T801205DN The Goodman GR9T801205DN is a powerful...

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Goodman 80% AFUE 80K BTU Furnace Variable Speed Low NOx 24.5"W Upflow/Horizontal

SKU: GRVT800805DX
Product ID: 101433
Original price $0.00 - Original price $0.00
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$2,333.00
$2,333.00 - $2,333.00
Current price $2,333.00

Product Details Goodman 80K BTU 80% AFUE Two Stage Low NOx Gas Furnace Upflow/Horizontal GRVT800805DX The Goodman GRVT800805DX Gas Furnace is par...

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Goodman 80% AFUE 80K BTU Furnace Variable Speed 24.5"W Upflow/Horizontal

SKU: GRVT800805DN
Product ID: 101432
Original price $0.00 - Original price $0.00
Original price $0.00
$2,333.00
$2,333.00 - $2,333.00
Current price $2,333.00

Product Details Goodman 80% 80K BTU Gas Furnace Variable Speed Upflow/Horizontal 24.5"W GRVT800805DN The Goodman GRVT800805DN Gas Furnace is part ...

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Goodman 96% AFUE 120K BTU Furnace Variable Speed 24.5"W Upflow/Horizontal

SKU: GRVT961205DN
Product ID: 101420
Original price $0.00 - Original price $0.00
Original price $0.00
$3,346.00
$3,346.00 - $3,346.00
Current price $3,346.00

Product Details Goodman 96% 120K BTU Gas Furnace Variable Speed Upflow/Horizontal 24.5"W GRVT961205DN The Goodman GRVT961205DN gas furnace is a hi...

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Goodman 96% AFUE 120K BTU Furnace Variable Speed 24.5"W Downflow/Horizontal

SKU: GDVT961205DN
Product ID: 101417
Original price $0.00 - Original price $0.00
Original price $0.00
$3,434.00
$3,434.00 - $3,434.00
Current price $3,434.00

Product Details Goodman 96% 120K BTU Gas Furnace Variable Speed Downflow/Horizontal 24.5"W GDVT961205DN The Goodman GDVT961205DN gas furnace deli...

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Goodman 96% AFUE Gas Furnace 120K BTU 24.5"W Nine-Speed Downflow/Horizontal

SKU: GD9S961205DN
Product ID: 100917
Original price $0.00 - Original price $0.00
Original price $0.00
$2,702.00
$2,702.00 - $2,702.00
Current price $2,702.00

Product Details Goodman R32 96% AFUE Gas Furnace 120K BTU Nine-Speed Downflow/Horizontal GD9S961205DN The Goodman GD9S961205DN is a high-performan...

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Goodman 80% 120K BTU Furnace 9-Speed 24.5"W Single Stage Upflow/Horizontal

SKU: GR9S801205DN
Product ID: 100949
Original price $0.00 - Original price $0.00
Original price $0.00
$1,734.00
$1,734.00 - $1,734.00
Current price $1,734.00

Product Details Goodman R32 80% AFUE Gas Furnace 120K BTU 24.5"W 2000 CFM Upflow/Horizontal The Goodman 80% AFUE R32 Gas Furnace delivers 120,000 ...

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Goodman 80% AFUE 80K BTU Furnace 9-Speed Low NOx 24.5"W Two Stage Upflow/Horizontal

SKU: GR9T800805DX
Product ID: 100964
Original price $0.00 - Original price $0.00
Original price $0.00
$1,601.00
$1,601.00 - $1,601.00
Current price $1,601.00

Product Details Goodman R32 80% AFUE Gas Furnace 80K BTU Two-Stage Low NOx 24.5"W Upflow The Goodman 80% AFUE R32 2-Stage Gas Furnace provides 80,...

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HVAC Store provides superior furnace solutions engineered for dependable, real-world performance. Whether you are selecting a system for a new build or upgrading a long-serving unit, our collection allows you to compare premium upflow, downflow, and multi-positional models side-by-side. Every residential furnace in our lineup is backed by transparent efficiency data, exceptional build quality, and a team dedicated to helping you find the tailored solution for your specific heating needs.

High-Efficiency Heating: From Standard to Cutting-Edge Designs

Our furnace collection features innovative gas designs that maximize fuel conversion, with AFUE ratings reaching the mid-90s for significant long-term energy savings. Options range from reliable single-stage models to cutting-edge two-stage and variable-speed systems that fine-tune heat output for consistent comfort and reduced utility costs. For most residential applications, a natural gas furnace remains the leading choice, offering a service life of 15 to 20 years when supported by professional maintenance. In regions without natural gas infrastructure, our propane and electric alternatives provide robust heating for homes of any size.

We offer residential furnaces sized for everything from compact utility closets to expansive multi-story homes, with BTU capacities ranging from 30,000 to 140,000 BTUs . These top-notch units are listed with precise cabinet widths to ensure a seamless match with your existing ductwork. Selecting a high-AFUE model supports a more sustainable home environment, especially when integrated with a properly matched air conditioner or heat pump for year-round climate control.

Choosing the Right Furnace for Your Space

  • Match Capacity to Your Floor Plan: System sizing is critical; our range of 30,000 to 140,000 BTU units ensures you can select a furnace that maintains stable temperatures without inefficient short-cycling .

  • Compare AFUE Ratings: A furnace's AFUE (Annual Fuel Utilization Efficiency) directly impacts your monthly investment; choosing a high-efficiency model provides peace of mind through lower operating costs.

  • Verify Fuel Availability: Select between natural gas, propane, or electric configurations based on local utility availability and your existing mechanical setup.

  • Prioritize Comfort Technology: Two-stage and modulating furnaces with variable-speed blowers deliver quieter operation and more even heat distribution compared to standard single-stage units.

  • Factor in Installation Requirements: When investing in a new system, ensure you coordinate with a licensed professional to account for ductwork adjustments and flue requirements to maintain your comprehensive warranty coverage.

Related Collections for Complete Heating and Cooling

FAQ

What should I consider when purchasing a furnace online?

Focus on your fuel type, the required BTU capacity for your square footage, and the airflow configuration—such as upflow or downflow. Matching these technical specs to your existing ductwork ensures an efficient installation and exceptional long-term performance.

How does the AFUE rating impact my energy usage?

The AFUE rating measures how effectively a furnace converts fuel into usable heat; for example, a 96% AFUE rating means only 4% of the energy is lost through exhaust. Upgrading to a high-efficiency furnace is a sustainable choice that significantly reduces fuel waste and monthly utility bills.

Are gas furnaces the best choice for every region?

Natural gas is often the most cost-effective fuel source for primary heating. However, for homes without gas lines, our propane and electric furnaces offer reliable and premium heating performance for any application.

What is the expected lifespan of a residential furnace?

With regular professional maintenance, a quality furnace typically provides trusted performance for 15 to 20 years. Routine filter changes and annual inspections are essential to preserving the system’s efficiency and ensuring your comprehensive warranty coverage remains active.

What is the advantage of a variable-speed gas furnace?

While single-stage units run at 100% capacity whenever they are active, cutting-edge variable-speed systems adjust their output to meet the exact heating demand of the home. This results in quieter operation, superior humidity control, and the highest potential for energy savings