Gas Furnaces Archives - Arkansas HVAC Repair & Installation

Gas furnaces form the indoor half of a split system, providing heat and housing the blower that moves air across the cooling coil. Efficiency class determines what venting the installation needs.

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Ruud R801T-UH 80% AFUE constant torque upflow horizontal gas furnace

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Ruud R801T0503A14UHSN 50,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$877.33

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 40,000 BTU of usable heat from a 50,000 BTU input. Cabinet 34" x 14" x 28-1/32". Pairs with a matched coil and outdoor unit.

Ruud R801T0754A17UHSN 75,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$925.33

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 60,000 BTU of usable heat from a 75,000 BTU input. Cabinet 34" x 17-1/2" x 28-1/32". Pairs with a matched coil and outdoor unit.

Ruud R801T0754A21UHSN 75,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$1,072.00

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 60,000 BTU of usable heat from a 75,000 BTU input. Cabinet 34" x 21" x 28-1/32". Pairs with a matched coil and outdoor unit.

Ruud R801T1005A21UHSN 100,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$1,122.67

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 80,000 BTU of usable heat from a 100,000 BTU input. Cabinet 34" x 21" x 28-1/32". Pairs with a matched coil and outdoor unit.

Ruud R801T1255A24UHSN 125,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$1,142.67

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 100,000 BTU of usable heat from a 125,000 BTU input. Cabinet 34" x 24-1/2" x 28-1/32". Pairs with a matched coil and outdoor unit.

Ruud R801V0503A14UHSC 50,000 BTU 80% AFUE Gas Furnace

$1,469.33

Ruud R801V0754A17UHSC 75,000 BTU 80% AFUE Gas Furnace

$1,644.00

Ruud R801V1005A21UHSC 100,000 BTU 80% AFUE Gas Furnace

$1,841.33

Ruud R801V1255A24UHSC 125,000 BTU 80% AFUE Gas Furnace

$2,224.00

Ruud R802V0503A14UHSC 50,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$2,584.00

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 40,000 BTU of usable heat from a 50,000 BTU input. Cabinet 34" x 14" x 29-19/32". Pairs with a matched coil and outdoor unit.

Ruud R802V0754A17UHSC 75,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$2,758.67

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 60,000 BTU of usable heat from a 75,000 BTU input. Cabinet 34" x 17-1/2" x 29-19/32". Pairs with a matched coil and outdoor unit.

Ruud R802V0755A21UHSC 75,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$2,694.67

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 60,000 BTU of usable heat from a 75,000 BTU input. Cabinet 34" x 21" x 29-19/32". Pairs with a matched coil and outdoor unit.

Ruud R802V1005A21UHSC 100,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$2,940.00

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 80,000 BTU of usable heat from a 100,000 BTU input. Cabinet 34" x 21" x 29-19/32". Pairs with a matched coil and outdoor unit.

Ruud R802V1255A24UHSC 125,000 BTU 80% AFUE Gas Furnace

Gas Furnaces

$3,056.00

Single stage furnace venting through conventional metal flue pipe, so existing venting can often be reused. Delivers roughly 100,000 BTU of usable heat from a 125,000 BTU input. Cabinet 34" x 24-1/2" x 29-19/32". Pairs with a matched coil and outdoor unit.

Ruud R951T0403A17M4SN 40,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$2,177.33

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 38,000 BTU of usable heat from a 40,000 BTU input. Cabinet 34" x 17-1/2" x 29-5/8". Pairs with a matched coil and outdoor unit.

Ruud R951T0603A17M4SN 60,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$2,322.67

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 57,000 BTU of usable heat from a 60,000 BTU input. Cabinet 34" x 17-1/2" x 29-5/8". Pairs with a matched coil and outdoor unit.

Ruud R951T0703A17M4SN 70,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$2,433.33

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 66,500 BTU of usable heat from a 70,000 BTU input. Cabinet 34" x 17-1/2" x 29-5/8". Pairs with a matched coil and outdoor unit.

Ruud R951T0855A21M4SN 85,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$2,708.00

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 80,800 BTU of usable heat from a 85,000 BTU input. Cabinet 34" x 21" x 29-5/8". Pairs with a matched coil and outdoor unit.

Ruud R951T1005A21M4SN 100,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$2,789.33

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 95,000 BTU of usable heat from a 100,000 BTU input. Cabinet 34" x 21" x 29-5/8". Pairs with a matched coil and outdoor unit.

Ruud R951T1155A24M4SN 115,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$3,040.00

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 109,300 BTU of usable heat from a 115,000 BTU input. Cabinet 34" x 24-1/2" x 29-5/8". Pairs with a matched coil and outdoor unit.

Ruud R951V0603A17M4SC 60,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$2,532.00

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 57,000 BTU of usable heat from a 60,000 BTU input. Cabinet 34" x 17.5" x 29-5/8". Pairs with a matched coil and outdoor unit.

Ruud R951V0703A17M4SC 70,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$2,664.00

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 66,500 BTU of usable heat from a 70,000 BTU input. Cabinet 34" x 17.5" x 29-5/8". Pairs with a matched coil and outdoor unit.

Ruud R951V1005A21M4SC 100,000 BTU 95% AFUE Gas Furnace

$3,106.67

Ruud R951V1155A24M4SC 115,000 BTU 95% AFUE Gas Furnace

Gas Furnaces

$3,226.67

Single stage condensing furnace requiring PVC venting and a condensate drain — an existing metal flue cannot be reused. Delivers roughly 109,300 BTU of usable heat from a 115,000 BTU input. Cabinet 34" x 24.5" x 29-5/8". Pairs with a matched coil and outdoor unit.

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The venting decision comes first

An 80% AFUE furnace vents through a conventional metal flue. A 95% or 96% AFUE condensing furnace extracts so much heat from the exhaust that it produces liquid condensate, which requires PVC venting and a drain. Moving between efficiency classes almost always means new venting — sometimes a new flue path through the building. Confirm what your installation can accommodate before choosing.

Sizing

Heating input should follow a Manual J load calculation, not the size of the unit being replaced. Oversized furnaces short-cycle: they heat quickly, shut off, and repeat. That wastes fuel, wears components, and produces uneven temperatures. A correctly sized furnace runs longer at lower output and holds temperature more evenly. The furnace must also be paired with a matched evaporator coil for the combination to carry an AHRI certificate.

Cabinet width

Furnaces are sold in fixed cabinet widths from 14 to 24.5 inches. A replacement that will not fit the existing closet is a common and avoidable problem — the cabinet dimension is listed on every product page. Pre-matched options appear under AC and gas furnace systems.

The venting decision comes first

Sizing

Cabinet width

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Gas Furnaces

The venting decision comes first

Sizing

Cabinet width

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