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Furnaces

Goodman 80% AFUE 80K BTU Furnace Variable Speed 21"W Ultra-Low NOx Upflow/Horizontal

SKU: GRVS800805CU
Product ID: 101502
Original price $0.00 - Original price $0.00
Original price $0.00
$2,644.00
$2,644.00 - $2,644.00
Current price $2,644.00

Product Details Goodman 80% 80K BTU Gas Furnace Upflow/Horizontal Variable Speed Ultra-Low NOx GRVS800805CU The Goodman GRVS800805CU is a high-val...

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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 96% AFUE 80K BTU Furnace Variable Speed 17.5"W Upflow/Horizontal

SKU: GRVT960803BN
Product ID: 101418
Original price $0.00 - Original price $0.00
Original price $0.00
$2,920.00
$2,920.00 - $2,920.00
Current price $2,920.00

Product Details Goodman 96% 80K BTU Gas Furnace Variable Speed Upflow/Horizontal 17.5"W GRVT960803BN The Goodman GRVT960803BN gas furnace delivers...

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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 96% AFUE 40K BTU Gas Furnace 9-Speed Ultra-Low NOx 17.5"W Upflow/Horizontal

SKU: GR9S960403BU
Product ID: 101363
Original price $0.00 - Original price $0.00
Original price $0.00
$2,543.00
$2,543.00 - $2,543.00
Current price $2,543.00

Product Details Goodman 96% 40K BTU Gas Furnace Ultra-Low NOx 17.5" Width Upflow/Horizontal GR9S960403BU The Goodman GR9S960403BU Gas Furnace is a...

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ACiQ 80% AFUE 66,000 BTU Gas Furnace Multi-Position 21" Width Single Stage

SKU: N80MSN0702116A
Product ID: 889164
Original price $0.00 - Original price $0.00
Original price $0.00
$1,400.00
$1,400.00 - $1,400.00
Current price $1,400.00

Product Details ACiQ 80% AFUE 66,000 BTU Gas Furnace Multi-Position 21" Width Single Stage N80MSN0702116A The ACiQ N80MSN0702116A is an efficient ...

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ACiQ 100,000 BTU 96% Gas Furnace 9-Speed Two Stage 1600 CFM 21" Upflow R32

SKU: AQ-GR9T961004CN
Product ID: 089523
Original price $0.00 - Original price $0.00
Original price $0.00
$3,090.00
$3,090.00 - $3,090.00
Current price $3,090.00

Product Details ACiQ 100,000 BTU 96% Gas Furnace 9-Speed Two Stage 21" Upflow/Horizontal R32 AQ-GR9T961004CN The ACiQ AQ-GR9T961004CN high-efficie...

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ACiQ 60,000 BTU 80% Gas Furnace Two-Stage 9-Speed 14" Upflow/Horizontal R32

SKU: AQ-GR9T800603AN
Product ID: 089568
Original price $0.00 - Original price $0.00
Original price $0.00
$1,306.00
$1,306.00 - $1,306.00
Current price $1,306.00

Product Details ACiQ 60,000 BTU 80% Gas Furnace Two-Stage 9-Speed 14" Upflow/Horizontal R32 AQ-GR9T800603AN The ACiQ AQ-GR9T800603AN gas furnace d...

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ACiQ 100K BTU 92% Gas Furnace 9-Speed 21"W 1600 CFM Upflow/Horizontal R32

SKU: AQ-GR9S921004CN
Product ID: 089548
Original price $0.00 - Original price $0.00
Original price $0.00
$1,933.00
$1,933.00 - $1,933.00
Current price $1,933.00

Product Details ACiQ 100K BTU 92% Gas Furnace 9-Speed 21"W 1600 CFM Upflow/Horizontal R32 AQ-GR9S921004CN The ACiQ AQ-GR9S921004CN gas furnace of...

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ACiQ 80,000 BTU 92% Gas Furnace 9-Speed 21"W 1600 CFM Upflow/Horizontal R32

SKU: AQ-GR9S920804CN
Product ID: 089550
Original price $0.00 - Original price $0.00
Original price $0.00
$1,778.00
$1,778.00 - $1,778.00
Current price $1,778.00

Product Details ACiQ 80,000 BTU 92% Gas Furnace 9-Speed 21"W 1600 CFM Upflow/Horizontal R32 AQ-GR9S920804CN The ACiQ AQ-GR9S920804CN 80,000 BTU G...

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ACiQ 60,000 BTU 96% AFUE Gas Furnace 9-Speed 1-Stage Upflow/Horizontal R32

SKU: AQ-GR9S960603BN
Product ID: 089539
Original price $0.00 - Original price $0.00
Original price $0.00
$1,702.00
$1,702.00 - $1,702.00
Current price $1,702.00

Product Details ACiQ 60,000 BTU 96% AFUE Gas Furnace 9-Speed 1-Stage Upflow/Horizontal R32 AQ-GR9S960603BN ACiQ AQ-GR9S960603BN Gas Furnace – 60,0...

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ACiQ 120K BTU 80% Gas Furnace 9-Speed 24.5"W 2000 CFM Upflow/Horizontal R32

SKU: AQ-GR9S801205DN
Product ID: 089570
Original price $0.00 - Original price $0.00
Original price $0.00
$1,572.00
$1,572.00 - $1,572.00
Current price $1,572.00

Product Details ACiQ 120K BTU 80% Gas Furnace 9-Speed 24.5"W 2000 CFM Upflow/Horizontal R32 AQ-GR9S801205DN The ACiQ AQ-GR9S801205DN gas furnace o...

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ACiQ 96% AFUE 80,000 BTU Gas Furnace Two Stage Multi-Positional 17.5" Width

SKU: G96CTN0801714
Product ID: 089739
Original price $0.00 - Original price $0.00
Original price $0.00
$2,735.00
$2,735.00 - $2,735.00
Current price $2,735.00

Product Details ACiQ 96% AFUE 80,000 BTU Gas Furnace Two Stage Multi-Positional 17.5" Width G96CTN0801714 The ACiQ G96CTN0801714 two-stage gas fur...

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ACiQ 96% AFUE 80,000 BTU Gas Furnace Two Stage Multi-Positional 21" Width

SKU: G96CTN0802120
Product ID: 089738
Original price $0.00 - Original price $0.00
Original price $0.00
$2,813.00
$2,813.00 - $2,813.00
Current price $2,813.00

Product Details ACiQ 96% AFUE 80,000 BTU Gas Furnace Two Stage Multi-Positional 21" Width G96CTN0802120 The ACiQ G96CTN0802120 two-stage gas furna...

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ACiQ 96% AFUE 100,000 BTU Gas Furnace Two Stage Multi-Positional 21" Width

SKU: G96VTN1002120A
Product ID: 089742
Original price $0.00 - Original price $0.00
Original price $0.00
$2,477.00
$2,477.00 - $2,477.00
Current price $2,477.00

Product Details ACiQ 96% AFUE 100,000 BTU Gas Furnace Two Stage Multi-Positional 21" Width G96VTN1002120A The ACiQ G96VTN1002120A delivers powerfu...

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ACiQ 96% AFUE 120,000 BTU Gas Furnace Two Stage 24.5" Width Multi-Position

SKU: G96VTN1202422
Product ID: 089741
Original price $0.00 - Original price $0.00
Original price $0.00
$2,733.00
$2,733.00 - $2,733.00
Current price $2,733.00

Product Details ACiQ 96% AFUE 120,000 BTU Gas Furnace Two Stage 24.5" Width Multi-Position G96VTN1202422 The ACiQ G96VTN1202422 is a high-performa...

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ACiQ 96% 140,000 BTU Gas Furnace Multi-Positional 24.5" Width Single Stage

SKU: N96MSN1402422A
Product ID: 089749
Original price $0.00 - Original price $0.00
Original price $0.00
$2,625.00
$2,625.00 - $2,625.00
Current price $2,625.00

Product Details ACiQ 96% 140,000 BTU Gas Furnace Multi-Positional 24.5" Width Single Stage N96MSN1402422A The ACiQ N96MSN1402422A is a high-effici...

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ACiQ 96% AFUE 100,000 BTU Gas Furnace Single Stage 21" Width Multi-Position

SKU: N96MSN1002120A
Product ID: 089751
Original price $0.00 - Original price $0.00
Original price $0.00
$2,265.00
$2,265.00 - $2,265.00
Current price $2,265.00

Product Details ACiQ 96% AFUE 100,000 BTU Gas Furnace Single Stage 21" Width Multi-Position N96MSN1002120A The ACiQ N96MSN1002120A is a high-effic...

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ACiQ 96% 60,000 BTU Gas Furnace Single Stage Multi-Positional 14" Width

SKU: N96MSN0601412A
Product ID: 089755
Original price $0.00 - Original price $0.00
Original price $0.00
$2,091.00
$2,091.00 - $2,091.00
Current price $2,091.00

Product Details ACiQ 96% 60,000 BTU Gas Furnace Single Stage Multi-Positional 14" Width N96MSN0601412A The ACiQ N96MSN0601412A is a high-efficienc...

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ACiQ 80% 88,000 BTU Gas Furnace Single Stage Multi-Positional 17.5" Width

SKU: N80MSN0901714A
Product ID: 089962
Original price $0.00 - Original price $0.00
Original price $0.00
$1,475.00
$1,475.00 - $1,475.00
Current price $1,475.00

Product Details ACiQ 80% 88,000 BTU Gas Furnace Single Stage Multi-Positional 17.5" Width N80MSN0901714A The ACiQ N80MSN0901714A is a budget-frien...

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ACiQ 80% 44,000 BTU Gas Furnace Single Stage Multi-Positional 14" Width

SKU: N80MSN0451412A
Product ID: 089966
Original price $0.00 - Original price $0.00
Original price $0.00
$1,350.00
$1,350.00 - $1,350.00
Current price $1,350.00

Product Details ACiQ 80% 44,000 BTU Gas Furnace Single Stage Multi-Positional 14" Width N80MSN0451412A The ACiQ N80MSN0451412A is an affordable, r...

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Goodman 97% 80,000 BTU Gas Furnace Variable Speed 17.5"W Upflow/Horizontal

SKU: GRVM970803BN
Product ID: 090394
Original price $0.00 - Original price $0.00
Original price $0.00
$3,248.00
$3,248.00 - $3,248.00
Current price $3,248.00

Product Details Goodman 80,000 BTU 97% AFUE Gas Furnace Variable Speed Modulating Upflow R32 GRVM970803BN The Goodman GRVM97 modulating gas furna...

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Goodman 92% AFUE 80K BTU Gas Furnace 21" Cabinet 9-Speed Upflow/Horizontal

SKU: GR9S920805CN
Product ID: 100902
Original price $0.00 - Original price $0.00
Original price $0.00
$2,054.00
$2,054.00 - $2,054.00
Current price $2,054.00

Product Details Goodman R32 92% AFUE Gas Furnace 80K BTU 9-Speed 2000 CFM Upflow/Horizontal The Goodman GR9S920805CN is a dependable, energy-effic...

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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
Original price $0.00
$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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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