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ACiQ AQ-GD9T800804BX

ACiQ 80% AFUE 80K BTU Gas Furnace Low NOx 17.5"W Two-Stage Downflow/Horizontal

SKU: AQ-GD9T800804BX
Product ID: 92505
$0.00 - $0.00
$0.00
$1,375.00
$1,375.00 - $1,375.00
$1,375.00

Product Details ACiQ 80% AFUE 80,000 BTU Gas Furnace Low NOx 17.5"W Downflow/Horizontal AQ-GD9T800804BX The ACiQ AQ-GD9T800804BX is a high-effici...

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ACiQ N80ESN1352420A

ACiQ 80% AFUE 132,000 BTU Gas Furnace Single Stage 24.5"W Multi-Positional

SKU: N80ESN1352420A
Product ID: 90073
$1,585.00 - $1,585.00
$1,585.00
$1,585.00 - $1,585.00
$1,585.00

Product Details ACiQ 80% AFUE 132,000 BTU Gas Furnace Single Stage 24.5"W Multi-Positional N80ESN1352420A The ACiQ N80ESN1352420A is a cost-effect...

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Goodman GRVS800604BU

Goodman 80% AFUE 60K BTU Furnace Variable Speed 17.5" Ultra-Low NOx Upflow/Horizontal

SKU: GRVS800604BU
Product ID: 101501
$0.00 - $0.00
$0.00
$2,381.00
$2,381.00 - $2,381.00
$2,381.00

Product Details Goodman 80% 60K BTU Gas Furnace Variable Speed Ultra-Low NOx Upflow/Horizontal GRVS800604BU The Goodman GRVS800604BU is a reliable...

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Goodman GRVT801005CX

Goodman 80% AFUE 100K BTU Furnace Variable Speed Low NOx 21"W Upflow/Horizontal

SKU: GRVT801005CX
Product ID: 101434
$0.00 - $0.00
$0.00
$2,452.00
$2,452.00 - $2,452.00
$2,452.00

Product Details Goodman 100K BTU 80% AFUE Two Stage Low NOx Gas Furnace Upflow/Horizontal GRVT801005CX The Goodman GRVT801005CX Gas Furnace is pa...

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Goodman GRVT800805DX

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

SKU: GRVT800805DX
Product ID: 101433
$0.00 - $0.00
$0.00
$2,333.00
$2,333.00 - $2,333.00
$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 GRVT800805DN

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

SKU: GRVT800805DN
Product ID: 101432
$0.00 - $0.00
$0.00
$2,333.00
$2,333.00 - $2,333.00
$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 GRVT800805CX

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

SKU: GRVT800805CX
Product ID: 101431
$0.00 - $0.00
$0.00
$2,312.00
$2,312.00 - $2,312.00
$2,312.00

Product Details Goodman 80% 80K BTU Gas Furnace Variable Speed Low NOx Upflow/Horizontal GRVT800805CX The Goodman GRVT800805CX Gas Furnace is part...

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Goodman GRVT800804CX

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

SKU: GRVT800804CX
Product ID: 101430
$0.00 - $0.00
$0.00
$2,254.00
$2,254.00 - $2,254.00
$2,254.00

Product Details Goodman 80% 80K BTU Gas Furnace Low NOx Variable Speed Upflow/Horizontal GRVT800804CX The Goodman GRVT800804CX Gas Furnace is pa...

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Goodman GRVT800804CN

Goodman 80% AFUE 80K BTU Gas Furnace Variable Speed 21"W Upflow/Horizontal

SKU: GRVT800804CN
Product ID: 101429
$0.00 - $0.00
$0.00
$2,254.00
$2,254.00 - $2,254.00
$2,254.00

Product Details Goodman 80% AFUE 80K BTU Gas Furnace Variable Speed Upflow/Horizontal 21"W GRVT800804CN The Goodman GRVT800804CN gas furnace is pa...

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Goodman GRVT800604BX

Goodman 80% AFUE 60K BTU Furnace Variable Speed Low NOx 17.5"W Upflow/Horizontal

SKU: GRVT800604BX
Product ID: 101428
$0.00 - $0.00
$0.00
$2,150.00
$2,150.00 - $2,150.00
$2,150.00

Product Details Goodman 60K BTU 80% AFUE Two Stage Low NOx Gas Furnace Upflow/Horizontal GRVT800604BX The Goodman GRVT800604BX Gas Furnace is par...

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Goodman GRVT800603BX

Goodman 80% AFUE 60K BTU Furnace Variable Speed Low NOx 17.5"W Upflow/Horizontal

SKU: GRVT800603BX
Product ID: 101427
$0.00 - $0.00
$0.00
$1,972.00
$1,972.00 - $1,972.00
$1,972.00

Product Details Goodman 80% AFUE 60,000 BTU Two Stage Low NOx Furnace Upflow/Horizontal GRVT800603BX The Goodman GRVT800603BX Gas Furnace is part...

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Goodman GDVT801005CX

Goodman 80% AFUE 100K BTU Gas Furnace Low NOx 21"W Two Stage Downflow/Horizontal

SKU: GDVT801005CX
Product ID: 101426
$0.00 - $0.00
$0.00
$2,522.00
$2,522.00 - $2,522.00
$2,522.00

Product Details Goodman 80% AFUE 100,000 BTU Two Stage Gas Furnace 21" Downflow/Horizontal GDVT801005CX Overview The Goodman GDVT801005CX Gas Fur...

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Goodman GDVT800805CX

Goodman 80% AFUE 80K BTU Gas Furnace Low NOx 21"W Two Stage Downflow/Horizontal

SKU: GDVT800805CX
Product ID: 101425
$0.00 - $0.00
$0.00
$2,381.00
$2,381.00 - $2,381.00
$2,381.00

Product Details Goodman 80% AFUE 80,000 BTU Two Stage Gas Furnace 21" Downflow/Horizontal GDVT800805CX The Goodman GDVT800805CX Gas Furnace is pa...

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Goodman GDVT800803BX

Goodman 80% AFUE 80K BTU Gas Furnace Low NOx 17.5"W Two Stage Downflow/Horizontal

SKU: GDVT800803BX
Product ID: 101424
$0.00 - $0.00
$0.00
$2,260.00
$2,260.00 - $2,260.00
$2,260.00

Product Details Goodman 80% AFUE 80,000 BTU Two Stage Gas Furnace 17.5" Downflow/Horizontal GDVT800803BX The Goodman GDVT800803BX Gas Furnace is ...

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Goodman GDVT800603BX

Goodman 80% AFUE 60K BTU Furnace Variable Speed Low NOx 17.5"W Downflow/Horizontal

SKU: GDVT800603BX
Product ID: 101423
$0.00 - $0.00
$0.00
$2,082.00
$2,082.00 - $2,082.00
$2,082.00

Product Details Goodman 80% 60K BTU Gas Furnace Variable Speed Downflow/Horizontal 17.5"W GDVT800603BX The Goodman GDVT800603BX Gas Furnace is pa...

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Goodman GR9S800604BU

Goodman 80% AFUE 60K BTU Furnace Variable Speed Ultra-Low NOx 17.5" Upflow/Horizontal

SKU: GR9S800604BU
Product ID: 101422
$0.00 - $0.00
$0.00
$1,973.00
$1,973.00 - $1,973.00
$1,973.00

Product Details Goodman 80% 60K BTU Gas Furnace Ultra-Low NOx 17.5" Width Upflow/Horizontal GR9S800604BU The Goodman GR9S800604BU gas furnace del...

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Goodman GR9S800603AU

Goodman 80% AFUE 60K BTU Furnace Variable Speed Ultra-Low NOx 14"W Upflow/Horizontal

SKU: GR9S800603AU
Product ID: 101421
$0.00 - $0.00
$0.00
$1,920.00
$1,920.00 - $1,920.00
$1,920.00

Product Details Goodman 80% 60K BTU Gas Furnace Ultra-Low NOx 14" Width Upflow/Horizontal GR9S800603AU The Goodman GR9S800603AU Gas Furnace delive...

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Goodman GR9S800804BU

Goodman 80% AFUE 80K BTU Gas Furnace 9-Speed Ultra-Low NOx 17.5"W Upflow/Horizontal

SKU: GR9S800804BU
Product ID: 101344
$0.00 - $0.00
$0.00
$2,134.00
$2,134.00 - $2,134.00
$2,134.00

Product Details Goodman 80% 80K BTU Gas Furnace Ultra-Low NOx 17.5" Width Upflow/Horizontal GR9S800804BU The Goodman GR9S800804BU gas furnace deli...

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ACIQ G80CTL0902120

ACiQ 88,000 BTU 80% Gas Furnace Variable Speed Two Stage Multi-Positional

SKU: G80CTL0902120
Product ID: 889175
$0.00 - $0.00
$0.00
$2,100.00
$2,100.00 - $2,100.00
$2,100.00

Product Details ACiQ 88,000 BTU 80% Gas Furnace Variable Speed Two Stage Multi-Positional G80CTL0902120  The ACiQ G80CTL0902120A is a high-quality...

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ACiQ N80MSN0902420A

ACiQ 80% AFUE 88,000 BTU Gas Furnace Single Stage 24.5"W Multi-Positional

SKU: N80MSN0902420A
Product ID: 889146
$0.00 - $0.00
$0.00
$1,428.00
$1,428.00 - $1,428.00
$1,428.00

Product Details ACiQ 80% AFUE 88,000 BTU Gas Furnace Single Stage 24.5"W Multi-Positional N80MSN0902420A The ACiQ N80MSN0902420A is a cost-effecti...

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ACiQ G80CTL1102120

ACiQ 80% AFUE 110,000 BTU Gas Furnace Two Stage Multi-Positional 21" Width

SKU: G80CTL1102120
Product ID: 889154
$0.00 - $0.00
$0.00
$2,174.00
$2,174.00 - $2,174.00
$2,174.00

Product Details ACiQ 80% AFUE 110,000 BTU Gas Furnace Two Stage Multi-Positional 21" Width G80CTL1102120 The ACiQ G80CTL1102120 delivers high-perf...

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Goodman GR9S800403AU

Goodman 80% AFUE 40K BTU Gas Furnace 9-Speed Ultra-Low NOx 14"W Upflow/Horizontal

SKU: GR9S800403AU
Product ID: 101325
$0.00 - $0.00
$0.00
$1,800.00
$1,800.00 - $1,800.00
$1,800.00

Product Details Goodman 80% 40K BTU Gas Furnace Ultra-Low NOx 14" Width Upflow/Horizontal GR9S800403AU The Goodman GR9S800403AU Gas Furnace offers...

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ACiQ N80MSN1552420A

ACiQ 80% 154,000 BTU Gas Furnace Single Stage Multi-Positional 24.5" Width

SKU: N80MSN1552420A
Product ID: 889155
$0.00 - $0.00
$0.00
$1,750.00
$1,750.00 - $1,750.00
$1,750.00

Product Details ACiQ 80% 154,000 BTU Gas Furnace Single Stage Multi-Positional 24.5" Width N80MSN1552420A The ACiQ N80MSN1552420A is an affordable...

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ACiQ N80MSN1102420A

ACiQ 80% 110,000 BTU Gas Furnace Single Stage Multi-Position 24.5" Width

SKU: N80MSN1102420A
Product ID: 889156
$0.00 - $0.00
$0.00
$1,553.00
$1,553.00 - $1,553.00
$1,553.00

Product Details ACiQ 80% 110,000 BTU Gas Furnace Single Stage Multi-Position 24.5" Width N80MSN1102420A The ACiQ N80MSN1102420A is a cost-effectiv...

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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