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Gas Furnace Systems with AC
What Type of Gas Furnace System do You Need?
Oil furnaces and natural gas furnaces are one of the many heating options available from AC Overstock. In this section you’ll find information and pricing on the gas furnace system that is right for you.
There are many different types of gas furnaces systems available and we will list some of the pros and cons of using oil and gas heat. After reading the information AC Overstock provides on brand name gas furnace systems and oil burning systems, you’ll have a better 
understanding of how natural gas furnaces, propane heaters, boilers and radiators work and which one will work best in your home.
If you are still confused on the type of furnace that's right for you, just call one of our licensed professionals between 8am and 7PM EST and they will be happy to assist you with your decision and purchase at 1-888-641-3444.
Select Your System Size
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Goodman 1.5 Ton 13 Seer 95% 2-stage Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,302.58Special Price: $2,093.26
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Goodman 2 Ton 13 Seer 80% Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$1,927.68Special Price: $1,752.44
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Goodman 2 Ton 13 Seer 80% Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$1,972.17Special Price: $1,792.88
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Goodman 2 Ton 13 Seer 95% 2-stage Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,355.42Special Price: $2,141.29
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Goodman 2 Ton 13 Seer 95% 2-stage Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,399.76Special Price: $2,180.86
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Goodman 2.5 Ton 13 Seer 80% Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,025.34Special Price: $1,841.22
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Goodman 2.5 Ton 13 Seer 80% Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,069.83Special Price: $1,881.66
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Goodman 2.5 Ton 13 Seer 95% 2-stage Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,458.29Special Price: $2,234.81
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Goodman 2.5 Ton 13 Seer 95% 2-stage Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,501.82Special Price: $2,274.38
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Goodman 2.5 Ton 13 Seer 95% 2-stage Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,728.65Special Price: $2,480.50
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Goodman 3 Ton 13 Seer 80% Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,163.88Special Price: $1,967.16
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Goodman 3 Ton 13 Seer 80% Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,208.37Special Price: $2,007.60
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Goodman 3 Ton 13 Seer 80% Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,284.32Special Price: $2,076.71
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Goodman 3 Ton 13 Seer 95% 2-stage Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,635.07Special Price: $2,395.52
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Goodman 3 Ton 13 Seer 95% 2-stage Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,678.60Special Price: $2,435.09
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Goodman 3 Ton 13 Seer 95% 2-stage Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,911.33Special Price: $2,646.66
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Goodman 3.5 Ton 13 Seer 80% Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,440.38Special Price: $2,218.53
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Goodman 3.5 Ton 13 Seer 80% Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,506.48Special Price: $2,278.62
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Goodman 3.5 Ton 13 Seer 80% Multi-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,640.74Special Price: $2,400.67
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Goodman 3.5 Ton 13 Seer 95% 2-stage Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,965.77Special Price: $2,696.15
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Goodman 3.5 Ton 13 Seer 95% 2-stage Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,076.44Special Price: $2,796.76
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Goodman 4 Ton 13 Seer 80% Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,362.64Special Price: $2,147.85
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Goodman 4 Ton 13 Seer 80% Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,428.73Special Price: $2,207.94
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Goodman 4 Ton 13 Seer 80% Multi-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,562.99Special Price: $2,329.99
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Goodman 4 Ton 13 Seer 95% 2-stage Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,932.18Special Price: $2,665.62
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Goodman 4 Ton 13 Seer 95% 2-stage Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,042.85Special Price: $2,766.23
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Goodman 4 Ton 13 Seer 95% 2-stage Multi-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,160.84Special Price: $2,873.49
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Goodman 5 Ton 13 Seer 80% Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,829.39Special Price: $2,572.17
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Goodman 5 Ton 13 Seer 80% Multi-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,881.62Special Price: $2,619.65
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Goodman 5 Ton 13 Seer 95% 2-stage Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,405.74Special Price: $3,096.13
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Goodman 5 Ton 13 Seer 95% 2-stage Multi-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,435.30Special Price: $3,123.00
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Goodman 1.5 Ton 14 Seer 80% Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,318.80Special Price: $2,108.00
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Goodman 14 Seer 1.5 Ton 80% Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,363.90Special Price: $2,149.00
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Goodman 2.0 Ton 14 Seer 80% Multi-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,348.50Special Price: $2,135.00
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Goodman 2 Ton 14 Seer 80% Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,393.60Special Price: $2,176.00
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Goodman 2 Ton 14 Seer 2 Ton 95% Two-Stage Variable-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,849.54Special Price: $2,590.49
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Goodman 2 Ton 14 Seer 95% Two-Stage Variable-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,912.25Special Price: $2,647.50
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Goodman 2.5 Ton 14 Seer 80% Multi-Speed 45K BTU Gas Furnace & Air Conditioning System
Regular Price:
$2,380.40Special Price: $2,164.00
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Goodman 2.5 Ton 14 Seer 80% Multi-Speed 70K BTU Gas Furnace & Air Conditioning System
Regular Price:
$2,445.30Special Price: $2,223.00
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Goodman 2.5 Ton 14 Seer 80% Multi-Speed 90K BTU Gas Furnace & Air Conditioning System
Regular Price:
$2,554.20Special Price: $2,322.00
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Goodman 2.5 Ton 14 Seer 95% Two-Stage Variable-Speed 45K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,918.32Special Price: $2,653.02
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Goodman 2.5 Ton 14 Seer 95% Two-Stage Variable-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,981.03Special Price: $2,710.03
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Goodman 3 Ton 14 Seer 80% Multi-Speed 70K BTU Gas Furnace & Air Conditioning System
Regular Price:
$2,629.00Special Price: $2,390.00
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Goodman 3 Ton 14 Seer 80% Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,686.20Special Price: $2,442.00
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Goodman 3 Ton 14 Seer 80% Multi-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,774.20Special Price: $2,522.00
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Goodman 3 Ton 14 Seer 95% Two-Stage Variable-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,295.39Special Price: $2,995.81
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Goodman 3 Ton 14 Seer 95% Variable-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,453.59Special Price: $3,139.63
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Goodman 3.5 Ton 14 Seer 80% Multi-Speed 70K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,857.80Special Price: $2,598.00
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Goodman 3.5 Ton 14 Seer 80% Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$2,915.00Special Price: $2,650.00
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Goodman 3.5 Ton 14 Seer 80% Multi-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,003.00Special Price: $2,730.00
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Goodman 3.5 Ton 14 Seer 95% Variable-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,538.30Special Price: $3,216.64
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Goodman 3.5 Ton 14 Seer 95% Variable-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,696.52Special Price: $3,360.46
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Goodman 4 Ton 14 Seer 80% Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,259.30Special Price: $2,963.00
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Goodman 4 Ton 14 Seer 80% Multi-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,126.20Special Price: $2,842.00
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Goodman 4 Ton 14 Seer 80% Multi-Speed 140K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,259.30Special Price: $2,963.00
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Goodman 4 Ton 14 Seer 95% Variable-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,643.86Special Price: $3,312.60
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Goodman 4 Ton 14 Seer 95% Variable-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,802.06Special Price: $3,456.42
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Goodman 5 Ton 14 Seer 80% Multi-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,386.90Special Price: $3,079.00
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Goodman 5 Ton 14 Seer 80% 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,440.08Special Price: $3,128.00
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Goodman 5 Ton 14 Seer 80% Multi-Speed 140K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,573.90Special Price: $3,249.00
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Goodman 5 Ton 14 Seer 95% Variable-Speed 90K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$3,918.37Special Price: $3,562.11
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Goodman 5 Ton 14 Seer 95% Variable-Speed 115K BTU R410A Gas Furnace & Air Conditioning System
Regular Price:
$4,076.52Special Price: $3,705.93
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Goodman 2 Ton 16 Seer 80% Two Stage/Variable Speed 70K BTU Gas Furnace & Air Conditioning System
Regular Price:
$2,999.99Special Price: $2,864.93
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Goodman 3 Ton 16 Seer 80% Two Stage/Variable Speed 90K BTU Gas Furnace & Air Conditioning System
Regular Price:
$3,219.99Special Price: $3,161.44
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Goodman 3 Ton 16 Seer 80% Two Stage/Variable Speed 115K BTU Gas Furnace & Air Conditioning System
Regular Price:
$3,349.99Special Price: $3,242.66
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Goodman 2 Ton 16 Seer 95% Two Stage/Variable Speed 45K BTU Gas Furnace & Air Conditioning System
Regular Price:
$3,190.47Special Price: $2,991.33
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Goodman 2 Ton 16 Seer 95% Two Stage/Variable Speed 70K BTU Gas Furnace & Air Conditioning System
Regular Price:
$3,290.99Special Price: $3,054.30
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Goodman 2 Ton 16 Seer 95% Two Stage/Variable Speed 90K BTU Gas Furnace & Air Conditioning System
Regular Price:
$3,699.99Special Price: $3,424.99
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Goodman 3 Ton 16 Seer 95% Two Stage/Variable Speed 90K BTU Gas Furnace & Air Conditioning System
Regular Price:
$3,699.99Special Price: $3,502.16
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Goodman 3 Ton 16 Seer 95% Two Stage/Variable Speed 115K BTU Gas Furnace & Air Conditioning System
Regular Price:
$3,789.99Special Price: $3,640.68
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Goodman 4 Ton 16 Seer 95% Two Stage/Variable Speed 90K BTU Gas Furnace & Air Conditioning System
Regular Price:
$4,199.99Special Price: $3,899.10
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Goodman 4 Ton 16 Seer 95% Two Stage/Variable Speed 115K BTU Gas Furnace & Air Conditioning System
Regular Price:
$4,299.99Special Price: $4,037.62
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Goodman 5 Ton 16 Seer 95% Two Stage/Variable Speed 90K BTU Gas Furnace & Air Conditioning System
Regular Price:
$4,199.99Special Price: $3,967.00
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