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18000 btu air conditioner

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18000 btu air conditioner for sale on largest auction and classifieds sites

Home / Fans & Air Conditioners / 18000 btu air conditioner refurbished & used for sale | For Sale USA
18000 btu mini split - split, air

18000 btu mini split - split, air

$559.53
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18000 btu window air - window,

18000 btu window air - window,

$629.99
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18000 btu ductless mini - ac,

18000 btu ductless mini - ac,

$999.99
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18000 btu mini - split, air

18000 btu mini - split, air

$608.00
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18000 btu window air - btu,

18000 btu window air - btu,

$589.29
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Keystone kstaw18c 1000 - 1000-sq, ft

Keystone kstaw18c 1000 - 1000-sq, ft

$274.00
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18000 btu 000 - 1,000, sq

18000 btu 000 - 1,000, sq

$699.00
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18000btu air conditioner - 18000btu,

18000btu air conditioner - 18000btu,

$655.98
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18000 btu mini - mini, split

18000 btu mini - mini, split

$655.95
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18000 btu window - 18000,

18000 btu window - 18000,

$475.89
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18000 btu ductless - 18000,

18000 btu ductless - 18000,

$597.99
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18000 btu ductless mini - btu, split

18000 btu ductless mini - btu, split

$750.49
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Wall mounting brackets - wall,

Wall mounting brackets - wall,

$22.98
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18000 btu ductless - 18000,

18000 btu ductless - 18000,

$597.99
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18000 btu window air - btu,

18000 btu window air - btu,

$610.34
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18000 btu 208 230v - btu, seer21

18000 btu 208 230v - btu, seer21

$603.50
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18000 btu air - 18000, 230v

18000 btu air - 18000, 230v

$659.99
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18000 btu smart - 18000, inverter

18000 btu smart - 18000, inverter

$499.29
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000 btu 230 - btu, 230-volt

000 btu 230 - btu, 230-volt

$475.95
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Seer2 18000 btu ductless - seer2,

Seer2 18000 btu ductless - seer2,

$664.99
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18000 btu 230v split - btu,

18000 btu 230v split - btu,

$209.98
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18000 btu 230v split - 18000,

18000 btu 230v split - 18000,

$209.89
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Air conditioner seer2 18000 - conditioner,

Air conditioner seer2 18000 - conditioner,

$489.99
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18000 btu window - 18000,

18000 btu window - 18000,

$639.29
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18000 btu ductless mini - 18000,

18000 btu ductless mini - 18000,

$759.99
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18000 btu mini split - 18000,

18000 btu mini split - 18000,

$403.93
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Mini split 18000 btu air - btu,

Mini split 18000 btu air - btu,

$639.99
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Heat and cool window - and, air

Heat and cool window - and, air

$598.49
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Garvee 18000 btu mini - 18000, split

Garvee 18000 btu mini - 18000, split

$619.99
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18000 btu ductless mini - ductless, ac

18000 btu ductless mini - ductless, ac

$649.99
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18000btu ductless air - ductless,

18000btu ductless air - ductless,

$597.99
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18000 btu mini split - 18000, air

18000 btu mini split - 18000, air

$476.99
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18000 btu mini split - 18000,

18000 btu mini split - 18000,

$419.89
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18000 btu air conditioner - air,

18000 btu air conditioner - air,

$749.99
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Garvee 18000 btu ductless mini - 18000,

Garvee 18000 btu ductless mini - 18000,

$679.99
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28000 btu dual - btu, 2

28000 btu dual - btu, 2

$1609.99
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18000 btu seer - 18000, ductless

18000 btu seer - 18000, ductless

$670.98
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18000 btu mini split air - 18000,

18000 btu mini split air - 18000,

$596.25
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Air conditioner seer2 18000 - air, 19

Air conditioner seer2 18000 - air, 19

$489.99
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18000 btu ductless seer - btu, air

18000 btu ductless seer - btu, air

$635.54
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18000 btu mini split air - 18000,

18000 btu mini split air - 18000,

$643.98
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18000 btu seer - 18000, 19

18000 btu seer - 18000, 19

$635.99
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Window air conditioner heat - window, w/heat

Window air conditioner heat - window, w/heat

$670.41
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18000 btu mini split air - btu,

18000 btu mini split air - btu,

$670.99
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12k 18k 23k - 12k, air

12k 18k 23k - 12k, air

$639.29
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18000 btu dual zone - 18000, split

18000 btu dual zone - 18000, split

$2099.99
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18000 btu mini split air - btu,

18000 btu mini split air - btu,

$482.21
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17000 btu smart - 17000, concealed

17000 btu smart - 17000, concealed

$1049.59
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Window air conditioner - conditioner, with

Window air conditioner - conditioner, with

$727.85
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18000 btu mini split air - btu,

18000 btu mini split air - btu,

$455.99
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18000 btu mini split air - btu,

18000 btu mini split air - btu,

$639.99
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18000 btu seer23 - 18000,

18000 btu seer23 - 18000,

$1151.75
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18000 btu window - ❄️18000, air

18000 btu window - ❄️18000, air

$617.98
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18000 btu window air - 18000,

18000 btu window air - 18000,

$639.29
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18000 btu window air - window,

18000 btu window air - window,

$475.98
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18000 btu ductless - 18000, mini

18000 btu ductless - 18000, mini

$664.99
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18000 btu air conditioner - btu, 19

18000 btu air conditioner - btu, 19

$590.89
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18000 btu split - 18000, inverter

18000 btu split - 18000, inverter

$209.95
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Aciq 18000 btu dual - btu,

Aciq 18000 btu dual - btu,

$1929.35
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18000 btu aciq essentials - 18000,

18000 btu aciq essentials - 18000,

$747.65
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18000 btu seer2 - seer2, ductless

18000 btu seer2 - seer2, ductless

$759.99
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18000 btu smart window air - btu,

18000 btu smart window air - btu,

$475.90
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18000 btu mini - 18000,

18000 btu mini - 18000,

$699.99
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Zokop 18000 btu ductless air - 18000,

Zokop 18000 btu ductless air - 18000,

$655.95
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18000 btu window air - btu,

18000 btu window air - btu,

$475.95
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12k 18k 23k btu heat - 18k,

12k 18k 23k btu heat - 18k,

$639.29
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18000 btu mini - 18000,

18000 btu mini - 18000,

$602.00
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18000 btu mini - btu, air

18000 btu mini - btu, air

$485.59
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18000 btu mrcool advantage - btu,

18000 btu mrcool advantage - btu,

$1559.00
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18000 btu mini split - 18000,

18000 btu mini split - 18000,

$435.19
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18000 btu mini split - mini, air

18000 btu mini split - mini, air

$495.99
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12k 18k 23k - 12k,

12k 18k 23k - 12k,

$639.29
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Wall mounting brackets - wall, for

Wall mounting brackets - wall, for

$22.99
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Dual zone mini split air - mini,

Dual zone mini split air - mini,

$1319.99
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18000 btu ductless air - btu,

18000 btu ductless air - btu,

$645.99
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18000 btu mini split - 18000,

18000 btu mini split - 18000,

$759.99
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12k 18k 23k - 8k,

12k 18k 23k - 8k,

$348.29
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18000 btu window air - btu,

18000 btu window air - btu,

$475.90
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1000 window air - window,

1000 window air - window,

$475.99
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18000 btu split inverter air - btu,

18000 btu split inverter air - btu,

$209.99
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Vevor mini split air - vevor,

Vevor mini split air - vevor,

$779.90
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Garvee 18000 btu - 18000, air

Garvee 18000 btu - 18000, air

$641.24
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18000 btu ductless - 18000,

18000 btu ductless - 18000,

$1599.99
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Daikin 18000 btu seer2 - btu, 18

Daikin 18000 btu seer2 - btu, 18

$1722.00
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18000 btu window air - btu,

18000 btu window air - btu,

$698.87
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Homcom 18000 btu mini split - homcom,

Homcom 18000 btu mini split - homcom,

$649.99
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18000 btu mini split air - 18000,

18000 btu mini split air - 18000,

$540.13
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Keystone kstaw18c 1000 ft - keystone,

Keystone kstaw18c 1000 ft - keystone,

$329.00
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Mini split 12k 18k - 12k, 24k

Mini split 12k 18k - 12k, 24k

$664.99
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18000 btu ductless mini split - 18000,

18000 btu ductless mini split - 18000,

$680.00
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Air conditioner 18000 btu - 18000,

Air conditioner 18000 btu - 18000,

$639.29
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18000 btu mini - split, air

18000 btu mini - split, air

$499.99
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18000 btu 1000 ft - lg,

18000 btu 1000 ft - lg,

$899.99
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28000 btu dual zone - btu, mini

28000 btu dual zone - btu, mini

$1495.95
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18000 btu mini - 18000,

18000 btu mini - 18000,

$436.99
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18000 btu mini split air - 18000,

18000 btu mini split air - 18000,

$775.63
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📊96 listings · from $22.98 · avg $674.6

Browse 96 18000 btu air conditioner listings currently in our index. Prices range from $22.98 to $2099.99, with an average of $674.6. 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 18000 btu air conditioner →

Try this: 4 ton condenser | 5000 btu air conditioner | 8000 btu air conditioner | air duct cleaning | central air conditioner condenser | inverter air conditioner | panasonic air conditioner | anderson casement windows | puritan bennett 840 ventilator | patton fans

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Everything you need to know about 18000 btu air conditioner

Whether you are looking for a brand-new or second-hand 18000 btu air conditioner, 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 $22.98, while premium listings can reach $2099.99 — giving you a wide budget spread to work with. The average price of $674.6 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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