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

SKU: G80CTL0451712A
Product ID: 089961
Original price $0.00 - Original price $0.00
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$1,925.00
$1,925.00 - $1,925.00
Current price $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 80% 44,000 BTU Gas Furnace Single Stage Multi-Positional 17.5" Width

SKU: N80MSN0451714A
Product ID: 089965
Original price $0.00 - Original price $0.00
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$1,210.00
$1,210.00 - $1,210.00
Current price $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 80% 66,000 BTU Gas Furnace Single Stage Multi-Positional 14" Width

SKU: N80MSN0701412A
Product ID: 089964
Original price $0.00 - Original price $0.00
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$1,440.00
$1,440.00 - $1,440.00
Current price $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 80% 66,000 BTU Gas Furnace Single Stage Multi-Positional 17.5" Width

SKU: N80MSN0701712A
Product ID: 089963
Original price $0.00 - Original price $0.00
Original price $0.00
$1,250.00
$1,250.00 - $1,250.00
Current price $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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ACiQ 97% 120,000 BTU Gas Furnace Variable Speed Multi-Positional 24.5"W

SKU: G97CMN1202422A
Product ID: 089948
Original price $0.00 - Original price $0.00
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$3,500.00
$3,500.00 - $3,500.00
Current price $3,500.00

Product Details ACiQ 97% 120,000 BTU Gas Furnace Variable Speed Multi-Positional 24.5"W G97CMN1202422A The ACiQ G97CMN1202422A is a high-efficien...

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ACiQ 97% 100,000 BTU Gas Furnace Variable Speed Multi-Positional 21" Width

SKU: G97CMN1002122A
Product ID: 089949
Original price $0.00 - Original price $0.00
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$3,400.00
$3,400.00 - $3,400.00
Current price $3,400.00

Product Details ACiQ 97% 100,000 BTU Gas Furnace Variable Speed Multi-Positional 21" Width G97CMN1002122A The ACiQ G97CMN1002122A is a high-effic...

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ACiQ 97% 80,000 BTU Gas Furnace Variable Speed Multi-Positional 21" Width

SKU: G97CMN0802120A
Product ID: 089950
Original price $0.00 - Original price $0.00
Original price $0.00
$3,250.00
$3,250.00 - $3,250.00
Current price $3,250.00

Product Details ACiQ 97% 80,000 BTU Gas Furnace Variable Speed Multi-Positional 21" Width G97CMN0802120A The ACiQ G97CMN0802120A is one of the mos...

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ACiQ 97% 80,000 BTU Gas Furnace Variable Speed Multi-Positional 17.5"W

SKU: G97CMN0801714
Product ID: 089951
Original price $0.00 - Original price $0.00
Original price $0.00
$3,150.00
$3,150.00 - $3,150.00
Current price $3,150.00

Product Details ACiQ 97% 80,000 BTU Gas Furnace Variable Speed Multi-Positional 17.5"W G97CMN0801714 The ACiQ G97CMN0801714 delivers advanced home...

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ACiQ 97% 60,000 BTU Gas Furnace Variable Speed Multi-Positional 17.5"W

SKU: G97CMN0601714
Product ID: 089952
Original price $0.00 - Original price $0.00
Original price $0.00
$2,850.00
$2,850.00 - $2,850.00
Current price $2,850.00

Product Details ACiQ 97% 60,000 BTU Gas Furnace Variable Speed Multi-Positional 17.5"W G97CMN0601714 The ACiQ G97CMN0601714 is a top-tier gas furn...

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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