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Water furnace versace base - furnace,

Water furnace versace base - furnace,

$1895.00
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1076 801 used waterfurnance - 1076-801,

1076 801 used waterfurnance - 1076-801,

$224.95
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Lennox prodigy m3 unit - lennox,

Lennox prodigy m3 unit - lennox,

$849.99
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Unico m2430cl1 5 ton - m2430cl1-c,

Unico m2430cl1 5 ton - m2430cl1-c,

$850.00
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Geothermal energy using - geothermal, energy:

Geothermal energy using - geothermal, energy:

$5.36
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Geothermal energy using - geothermal,

Geothermal energy using - geothermal,

$7.72
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Water furnace geothermal - water,

Water furnace geothermal - water,

$54.99
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Geothermal energy using - energy:,

Geothermal energy using - energy:,

$6.84
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30x36x2 geothermal merv - 30x36x2, 10

30x36x2 geothermal merv - 30x36x2, 10

$89.99
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30x32x2 geothermal merv - 30x32x2,

30x32x2 geothermal merv - 30x32x2,

$84.99
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30x36x2 geothermal merv - 30x36x2, 8

30x36x2 geothermal merv - 30x36x2, 8

$85.99
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Water furnace geothermal - furnace,

Water furnace geothermal - furnace,

$39.99
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30x32x2 geothermal merv - merv, 8

30x32x2 geothermal merv - merv, 8

$83.99
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Heat controller 20kw 240v geo - heat,

Heat controller 20kw 240v geo - heat,

$199.99
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Spiropure 5x23 5x1 - 11.5x23.5x1, merv

Spiropure 5x23 5x1 - 11.5x23.5x1, merv

$70.73
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Water furnace geothermal - water,

Water furnace geothermal - water,

$25.89
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Lennox 23l53 oem replacement - oem,

Lennox 23l53 oem replacement - oem,

$85.00
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Furnace exhaust draft inducer - exhaust,

Furnace exhaust draft inducer - exhaust,

$49.99
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Water furnace geothermal - water,

Water furnace geothermal - water,

$8.00
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Geothermal ground loop - geothermal,

Geothermal ground loop - geothermal,

$1529.00
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Trane furnace geo - trane,

Trane furnace geo - trane,

$149.99
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Water

Water

$62.99
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Water furnace trucker hat - water, cap

Water furnace trucker hat - water, cap

$14.24
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Geo flo pressurized flow - geo-flo,

Geo flo pressurized flow - geo-flo,

$249.99
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Geothermal energy using - geothermal, energy:

Geothermal energy using - geothermal, energy:

$6.64
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Geothermal ground loop - geothermal,

Geothermal ground loop - geothermal,

$1489.00
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920915 furnace control board - furnace,

920915 furnace control board - furnace,

$88.77
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Trane geo thermal furnace dpc - geo,

Trane geo thermal furnace dpc - geo,

$4.99
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2006 high flow electrostatic - a+2006,

2006 high flow electrostatic - a+2006,

$74.88
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Waterfurnace aurora control - waterfurnace,

Waterfurnace aurora control - waterfurnace,

$80.00
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Safe and reliable gas furnace - safe,

Safe and reliable gas furnace - safe,

$85.99
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Oem ptech 42 - ptech, pf

Oem ptech 42 - ptech, pf

$49.98
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Climate master tranquility - climate,

Climate master tranquility - climate,

$2999.99
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Geothermal heat pump river - geothermal,

Geothermal heat pump river - geothermal,

$2970.00
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Geothermal energy using - geothermal,

Geothermal energy using - geothermal,

$8.33
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Water furnce brand geothermal - brand,

Water furnce brand geothermal - brand,

$42.29
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Waterfurnace 11p923 wire - waterfurnace,

Waterfurnace 11p923 wire - waterfurnace,

$44.99
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Climatemaster rooftop - climatemaster, (tre)

Climatemaster rooftop - climatemaster, (tre)

$3999.95
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Bosch 00755078 dishwasher - 00755078,

Bosch 00755078 dishwasher - 00755078,

$152.42
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Coal fired home heating - fired,

Coal fired home heating - fired,

$4475.99
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780 000 btu titanium - titanium, salt

780 000 btu titanium - titanium, salt

$2592.00
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Oem lennox armstrong ducane - oem,

Oem lennox armstrong ducane - oem,

$45.00
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28x30x2 geothermal merv - geothermal, 10

28x30x2 geothermal merv - geothermal, 10

$82.99
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30x32x2 geothermal merv - 30x32x2,

30x32x2 geothermal merv - 30x32x2,

$42.46
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632444 air pressure switch for - air,

632444 air pressure switch for - air,

$22.82
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Protech furnace motor - protech,

Protech furnace motor - protech,

$69.99
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28x30x2 geothermal merv - 28x30x2, 8

28x30x2 geothermal merv - 28x30x2, 8

$81.99
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Furnace air pressure switch - pressure,

Furnace air pressure switch - pressure,

$22.81
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Furnace exhaust draft inducer - furnace,

Furnace exhaust draft inducer - furnace,

$87.99
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632444 furnace pressure switch - 632444,

632444 furnace pressure switch - 632444,

$22.82
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632444 air pressure switch - air,

632444 air pressure switch - air,

$22.81
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Water furnace envision - envision, 2

Water furnace envision - envision, 2

$4107.63
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Geothermal digital residential - digital,

Geothermal digital residential - digital,

$44.99
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Hydron module enertech - module,

Hydron module enertech - module,

$50.00
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Series 600 000 btu - 600,000,

Series 600 000 btu - 600,000,

$1895.28
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Trane american standard - trane®,

Trane american standard - trane®,

$27.60
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Geolink gl8fpt water - gl8fpt, furnace

Geolink gl8fpt water - gl8fpt, furnace

$195.49
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Furnace control board - furnace,

Furnace control board - furnace,

$50.99
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632252 632452 632444 gas - 632452,

632252 632452 632444 gas - 632452,

$22.80
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Furnace air pressure switch - air,

Furnace air pressure switch - air,

$22.80
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Elbow adjustable - 6),

Elbow adjustable - 6),

$110.00
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Furnace air pressure switch - air,

Furnace air pressure switch - air,

$22.80
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Oem lennox armstrong ducane - lennox, /armstrong/ducane

Oem lennox armstrong ducane - lennox, /armstrong/ducane

$39.98
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For nordyne intertherm - nordyne,,

For nordyne intertherm - nordyne,,

$22.83
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Performer 176l0767 vsd cds801 - performer,

Performer 176l0767 vsd cds801 - performer,

$279.00
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650 000 btu cupro nickel - nickel, salt

650 000 btu cupro nickel - nickel, salt

$1977.23
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Geothermal loop pump station - geothermal,

Geothermal loop pump station - geothermal,

$5769.00
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New enertech geothermal - new,

New enertech geothermal - new,

$60.00
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Climatemaster tranquility - climatemaster,

Climatemaster tranquility - climatemaster,

$8550.00
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Geothermal energy using - geothermal,

Geothermal energy using - geothermal,

$16.08
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Geothermal units single - units,

Geothermal units single - units,

$9870.00
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Air filters pleated - air, geothermal

Air filters pleated - air, geothermal

$130.99
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Bryant carrier payne la22za127 - bryant,

Bryant carrier payne la22za127 - bryant,

$84.99
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Rheem rudd pr furnace - -0.33,

Rheem rudd pr furnace - -0.33,

$54.48
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1076 850 801 is60l - +, 1076-801

1076 850 801 is60l - +, 1076-801

$650.00
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2006 high flow electrostatic - a+2006,

2006 high flow electrostatic - a+2006,

$64.55
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Everbilt thermocouple - 36”,

Everbilt thermocouple - 36”,

$8.75
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Arzel pan hpp03 heatpumpro - arzel, pan-hpp03

Arzel pan hpp03 heatpumpro - arzel, pan-hpp03

$829.90
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White rodgers tc30 universal - white-rodgers,

White rodgers tc30 universal - white-rodgers,

$17.77
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Che2 7800 series - &, 7800-5

Che2 7800 series - &, 7800-5

$150.00
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Hydron module mpd024a1mm1s ecm - module,

Hydron module mpd024a1mm1s ecm - module,

$339.00
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Icm lpr as1701 fhp geo - lpr-as1701-6-lf,

Icm lpr as1701 fhp geo - lpr-as1701-6-lf,

$40.00
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Emerson comfort alert - emerson,

Emerson comfort alert - emerson,

$50.00
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Arzel pan hpp02 heatpumpro - pan-hpp02,

Arzel pan hpp02 heatpumpro - pan-hpp02,

$732.32
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Hydron module mpd024a1mm1s - module,

Hydron module mpd024a1mm1s - module,

$339.00
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Waterfurnace geothermal - waterfurnace, ac

Waterfurnace geothermal - waterfurnace, ac

$725.00
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Thermostatic outlet with led - outlet,

Thermostatic outlet with led - outlet,

$41.99
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Bard mfg gsvs242 geothermal - bard,

Bard mfg gsvs242 geothermal - bard,

$110.00
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Nordic pure 30x32x2 geothermal - nordic,

Nordic pure 30x32x2 geothermal - nordic,

$121.54
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Universal ptac board with led - with,

Universal ptac board with led - with,

$487.49
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Ep042 1vtc frt tdx - ep042-1vtc-frt-tdx,

Ep042 1vtc frt tdx - ep042-1vtc-frt-tdx,

$5150.00
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Energy efficient heat cool - energy-efficient, heat/2

Energy efficient heat cool - energy-efficient, heat/2

$45.59
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Fpro100 magnetic furnace pro - fpro100,

Fpro100 magnetic furnace pro - fpro100,

$23.74
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Carrier hk50aa031 scrolling - carrier,

Carrier hk50aa031 scrolling - carrier,

$850.00
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Continental sureline inch - continental,

Continental sureline inch - continental,

$150.00
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Waterfurnace premier series - waterfurnace,

Waterfurnace premier series - waterfurnace,

$298.00
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📊96 listings · from $4.99 · avg $739.82

Browse 96 geothermal furnace listings currently in our index. Prices range from $4.99 to $9870, with an average of $739.82. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about geothermal furnace →

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Everything you need to know about geothermal furnace

Whether you are looking for a brand-new or second-hand geothermal furnace, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $4.99, while premium listings can reach $9870 — giving you a wide budget spread to work with. The average price of $739.82 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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