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ACiQ AQ-GR9S800804BN

ACiQ 80K BTU 80% Gas Furnace 9-Speed 17.5"W 3/4 HP Upflow/Horizontal R32

SKU: AQ-GR9S800804BN
Product ID: 089574
$0.00 - $0.00
$0.00
$1,229.00
$1,229.00 - $1,229.00
$1,229.00

Product Details ACiQ 80K BTU 80% Gas Furnace 9-Speed 17.5"W 3/4 HP Upflow/Horizontal R32 AQ-GR9S800804BN The ACiQ AQ-GR9S800804BN gas furnace offe...

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ACiQ AQ-GR9S800803BN

ACiQ 80K BTU 80% Gas Furnace 9-Speed 17.5"W 1/2 HP Upflow/Horizontal R32

SKU: AQ-GR9S800803BN
Product ID: 089575
$0.00 - $0.00
$0.00
$1,165.00
$1,165.00 - $1,165.00
$1,165.00

Product Details ACiQ 80K BTU 80% Gas Furnace 9-Speed 17.5"W 1/2 HP Upflow/Horizontal R32 AQ-GR9S800803BN The ACiQ AQ-GR9S800803BN gas furnace deli...

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ACiQ AQ-GR9S800604BN

ACiQ 60000 BTU 80% Gas Furnace 9-Speed 1-Stage 3/4 HP Upflow/Horizontal R32

SKU: AQ-GR9S800604BN
Product ID: 089576
$0.00 - $0.00
$0.00
$1,138.00
$1,138.00 - $1,138.00
$1,138.00

Product Details ACiQ 60,000 BTU 80% Gas Furnace 9-Speed 1-Stage 3/4 HP Upflow/Horizontal R32 AQ-GR9S800604BN The ACiQ AQ-GR9S800604BN gas furnace ...

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ACiQ AQ-GR9S800603BN

ACiQ 60000 BTU 80% Gas Furnace 9-Speed 1-Stage 17.5"W Upflow/Horizontal R32

SKU: AQ-GR9S800603BN
Product ID: 089577
$0.00 - $0.00
$0.00
$1,123.00
$1,123.00 - $1,123.00
$1,123.00

Product Details ACiQ 60,000 BTU 80% Gas Furnace 9-Speed 1-Stage 17.5"W Upflow/Horizontal R32 AQ-GR9S800603BN The ACiQ AQ-GR9S800603BN gas furnace ...

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ACiQ AQ-GR9S800603AN

ACiQ 60,000 BTU 80% Gas Furnace 9-Speed 1-Stage 14"W Upflow/Horizontal R32

SKU: AQ-GR9S800603AN
Product ID: 089578
$0.00 - $0.00
$0.00
$1,107.00
$1,107.00 - $1,107.00
$1,107.00

Product Details ACiQ 60,000 BTU 80% Gas Furnace 9-Speed 1-Stage 14"W Upflow/Horizontal R32 AQ-GR9S800603AN The ACiQ AQ-GR9S800603AN gas furnace is...

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ACiQ AQ-GR9S800403AN

ACiQ 40,000 BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Upflow/Horizontal R32

SKU: AQ-GR9S800403AN
Product ID: 089579
$0.00 - $0.00
$0.00
$1,037.00
$1,037.00 - $1,037.00
$1,037.00

Product Details ACiQ 40,000 BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Upflow/Horizontal R32 AQ-GR9S800403AN The ACiQ AQ-GR9S800403AN gas furnace d...

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ACiQ AQ-GD9S801005CN

ACiQ 100K BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Downflow/Horizontal R32

SKU: AQ-GD9S801005CN
Product ID: 089580
$0.00 - $0.00
$0.00
$1,483.00
$1,483.00 - $1,483.00
$1,483.00

Product Details ACiQ 100K BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Downflow/Horizontal R32 AQ-GD9S801005CN The ACiQ AQ-GD9S801005CN is a powerful,...

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ACiQ AQ-GD9S800804BN

ACiQ 80000 BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Downflow/Horizontal R32

SKU: AQ-GD9S800804BN
Product ID: 089581
$0.00 - $0.00
$0.00
$1,323.00
$1,323.00 - $1,323.00
$1,323.00

Product Details ACiQ 80000 BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Downflow/Horizontal R32 AQ-GD9S800804BN The ACiQ AQ-GD9S800804BN is a durable ...

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ACiQ AQ-GD9S800603AN

ACiQ 60000 BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Downflow/Horizontal R32

SKU: AQ-GD9S800603AN
Product ID: 089582
$0.00 - $0.00
$0.00
$1,142.00
$1,142.00 - $1,142.00
$1,142.00

Product Details ACiQ 60,000 BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Downflow/Horizontal R32 AQ-GD9S800603AN The ACiQ AQ-GD9S800603AN delivers pow...

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ACiQ AQ-GD9S800403AN

ACiQ 40K BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Downflow/Horizontal R32

SKU: AQ-GD9S800403AN
Product ID: 089583
$0.00 - $0.00
$0.00
$1,079.00
$1,079.00 - $1,079.00
$1,079.00

Product Details ACiQ 40K BTU 80% AFUE Gas Furnace 9-Speed 1-Stage Downflow/Horizontal R32 AQ-GD9S800403AN The ACiQ AQ-GD9S800403AN delivers depend...

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ACiQ G80CTL1352422

ACiQ 80% AFUE 132,000 BTU Gas Furnace Two Stage Multi-Position 24.5" Width

SKU: G80CTL1352422
Product ID: 089668
$0.00 - $0.00
$0.00
$2,637.00
$2,637.00 - $2,637.00
$2,637.00

Product Details ACiQ 80% AFUE 132,000 BTU Gas Furnace Two Stage Multi-Position 24.5" Width G80CTL1352422 The ACiQ G80CTL1352422 natural gas furnac...

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ACiQ G80CTL0901716

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

SKU: G80CTL0901716
Product ID: 089957
$0.00 - $0.00
$0.00
$2,300.00
$2,300.00 - $2,300.00
$2,300.00

Product Details ACiQ 80% 88,000 BTU Gas Furnace Two Stage Multi-Positional 17.5" Width G80CTL0901716 The ACiQ G80CTL0901716 natural gas furnace de...

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ACiQ G80CTL0701716A

ACiQ 80% 66,000 BTU Gas Furnace Two Stage Multi-Positional 17.5" Width

SKU: G80CTL0701716A
Product ID: 089959
$0.00 - $0.00
$0.00
$1,925.00
$1,925.00 - $1,925.00
$1,925.00

Product Details ACiQ 80% 66,000 BTU Gas Furnace Two Stage Multi-Positional 17.5" Width G80CTL0701716A The ACiQ G80CTL0701716A delivers quiet, effi...

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ACiQ G80CTL0701412

ACiQ 80% AFUE 66,000 BTU Gas Furnace Two Stage 14" Width Multi-Positional

SKU: G80CTL0701412
Product ID: 089960
$0.00 - $0.00
$0.00
$2,250.00
$2,250.00 - $2,250.00
$2,250.00

Product Details ACiQ 80% AFUE 66,000 BTU Gas Furnace Two Stage 14" Width Multi-Positional G80CTL0701412 The ACiQ G80CTL0701412 is a powerful and e...

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ACiQ G80CTL0702120A

ACiQ 80% 66,000 BTU Gas Furnace Two Stage Multi-Positional 21" Width

SKU: G80CTL0702120A
Product ID: 089958
$0.00 - $0.00
$0.00
$2,025.00
$2,025.00 - $2,025.00
$2,025.00

Product Details ACiQ 80% 66,000 BTU Gas Furnace Two Stage Multi-Positional 21" Width G80CTL0702120A The ACiQ G80CTL0702120A delivers dependable he...

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ACiQ G80CTL0451712A

ACiQ 80% 44,000 BTU Gas Furnace Two Stage Multi-Positional 17.5" Width

SKU: G80CTL0451712A
Product ID: 089961
$0.00 - $0.00
$0.00
$1,925.00
$1,925.00 - $1,925.00
$1,925.00

Product Details ACiQ 80% 44,000 BTU Gas Furnace Two Stage Multi-Positional 17.5" Width G80CTL0451712A The ACiQ G80CTL0451712A is a compact, high-...

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ACiQ N80MSN0451714A

ACiQ 80% 44,000 BTU Gas Furnace Single Stage Multi-Positional 17.5" Width

SKU: N80MSN0451714A
Product ID: 089965
$0.00 - $0.00
$0.00
$1,210.00
$1,210.00 - $1,210.00
$1,210.00

Product Details ACiQ 80% 44,000 BTU Gas Furnace Single Stage Multi-Positional 17.5" Width N80MSN0451714A The ACiQ N80MSN0451714A is a compact and ...

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ACiQ N80MSN0701412A

ACiQ 80% 66,000 BTU Gas Furnace Single Stage Multi-Positional 14" Width

SKU: N80MSN0701412A
Product ID: 089964
$0.00 - $0.00
$0.00
$1,440.00
$1,440.00 - $1,440.00
$1,440.00

Product Details ACiQ 80% 66,000 BTU Gas Furnace Single Stage Multi-Positional 14" Width N80MSN0701412A The ACiQ N80MSN0701412A is a reliable, entr...

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ACIQ N80MSN0701712A

ACiQ 80% 66,000 BTU Gas Furnace Single Stage Multi-Positional 17.5" Width

SKU: N80MSN0701712A
Product ID: 089963
$0.00 - $0.00
$0.00
$1,250.00
$1,250.00 - $1,250.00
$1,250.00

Product Details ACiQ 80% 66,000 BTU Gas Furnace Single Stage Multi-Positional 17.5" Width N80MSN0701712A The ACiQ N80MSN0701712A is a reliable and...

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Goodman GRVT800803BN

Goodman 80% 80K BTU Gas Furnace Two Stage 17.5" Cabinet Upflow/Horizontal

SKU: GRVT800803BN
Product ID: 090386
$0.00 - $0.00
$0.00
$2,199.00
$2,199.00 - $2,199.00
$2,199.00

Product Details Goodman 80% 80K BTU Gas Furnace Two Stage Variable Upflow/Horizontal R32 GRVT800803BN The Goodman GRVT800803BN is part of Goodman’...

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Goodman GRVT801005CN

Goodman 80% 100K BTU Gas Furnace Variable Speed 21" Width Upflow/Horizontal

SKU: GRVT801005CN
Product ID: 090387
$0.00 - $0.00
$0.00
$2,452.00
$2,452.00 - $2,452.00
$2,452.00

Product Details Goodman 80% 100K BTU Gas Furnace Variable Speed 21" Width Upflow/Horizontal GRVT801005CN The Goodman GRVT801005CN is a top-tier, h...

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Goodman GR9S800603BN

Goodman 80% 60K BTU Furnace 9-Speed 17.5"W Single Stage Upflow/Horizontal

SKU: GR9S800603BN
Product ID: 100935
$0.00 - $0.00
$0.00
$1,239.00
$1,239.00 - $1,239.00
$1,239.00

Product Details Goodman 60,000 BTU 80% Gas Furnace 9 Speed Single Stage 17.5"W Upflow R32 GR9S800603BN The Goodman GR9S800603BN 60,000 BTU Gas Fur...

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Goodman GR9S800603BX

Goodman 80% 60K BTU Gas Furnace 9-Speed Low NOx 17.5"W Single Stage Upflow/Horizontal

SKU: GR9S800603BX
Product ID: 100936
$0.00 - $0.00
$0.00
$1,250.00
$1,250.00 - $1,250.00
$1,250.00

Product Details Goodman R32 80% AFUE Gas Furnace 60K BTU 17.5"W Low NOx Upflow/Horizontal GR9S800603BX The Goodman GR9S800603BX Low NOx gas furnac...

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Goodman GR9S800604BX

Goodman 80% 60K BTU Gas Furnace 9-Speed Low NOx 17.5"W Single Stage Upflow/Horizontal

SKU: GR9S800604BX
Product ID: 100938
$0.00 - $0.00
$0.00
$1,268.00
$1,268.00 - $1,268.00
$1,268.00

Product Details Goodman 80% 60K BTU Gas Furnace Low NOx 17.5" Width Upflow/Horizontal GR9S800604BX The Goodman GR9S800604BX is a high-efficiency g...

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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