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Smart thermostats

4

Smart thermostats for sale on largest auction and classifieds sites

Home / Heating Appliances / Smart thermostats refurbished & used for sale | For Sale USA
Google nest learning - nest,

Google nest learning - nest,

$180.00
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Rheem retst800sys - retst800sys, wi-fi-

Rheem retst800sys - retst800sys, wi-fi-

$103.99
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Emerson sensi touch - 2, wi-fi

Emerson sensi touch - 2, wi-fi

$119.99
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Carrier infinity - carrier,

Carrier infinity - carrier,

$299.00
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Google nest 3rd gen - google,

Google nest 3rd gen - google,

$38.99
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Honeywell home x2s smart wifi - home,

Honeywell home x2s smart wifi - home,

$42.99
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Honeywell x2s smart thermostat - honeywell,

Honeywell x2s smart thermostat - honeywell,

$36.00
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Honeywell home smart color - honeywell,

Honeywell home smart color - honeywell,

$22.99
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Honeywell home x2s smart - honeywell,

Honeywell home x2s smart - honeywell,

$38.99
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Honeywell home rth6580wf fi - home,

Honeywell home rth6580wf fi - home,

$34.88
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Sensi st55 fi - st55, wi‑fi

Sensi st55 fi - st55, wi‑fi

$29.99
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Google nest thermostat - nest,

Google nest thermostat - nest,

$44.95
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Smart wifi thermostat - thermostat, 7-day

Smart wifi thermostat - thermostat, 7-day

$25.50
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Carrier infinity system - carrier,

Carrier infinity system - carrier,

$300.00
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Honeywell x2s smart - x2s, thermostat

Honeywell x2s smart - x2s, thermostat

$32.50
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Ecobee for pro - ecobee, smart

Ecobee for pro - ecobee, smart

$165.00
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Honeywell home x2s smart wifi - home,

Honeywell home x2s smart wifi - home,

$39.99
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Honeywell home x8s x8vmc8b - x8s,

Honeywell home x8s x8vmc8b - x8s,

$134.95
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Google nest thermostat - nest,

Google nest thermostat - nest,

$43.34
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Flair puck wifi sensor gateway - flair,

Flair puck wifi sensor gateway - flair,

$50.00
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Honeywell home wifi smart - honeywell,

Honeywell home wifi smart - honeywell,

$46.10
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Honeywell pro series wave - pro,

Honeywell pro series wave - pro,

$34.99
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Sale google nest 3rd gen - google,

Sale google nest 3rd gen - google,

$81.95
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Google nest thermostat - nest, g4cvz

Google nest thermostat - nest, g4cvz

$59.99
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Honeywell home rth9585wf1004 - honeywell,

Honeywell home rth9585wf1004 - honeywell,

$36.78
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Google nest learning - google,

Google nest learning - google,

$130.00
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Carrier infinity - carrier,

Carrier infinity - carrier,

$200.00
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New sealed honeywell - new,

New sealed honeywell - new,

$179.99
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Carrier infinity programmable - carrier,

Carrier infinity programmable - carrier,

$320.00
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Carrier infinity control - infinity,

Carrier infinity control - infinity,

$320.00
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Lennox icomfort e30 - lennox,

Lennox icomfort e30 - lennox,

$149.99
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Senville wrdrmt25 wired - senville,

Senville wrdrmt25 wired - senville,

$75.00
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Honeywell home wifi vision pro - honeywell,

Honeywell home wifi vision pro - honeywell,

$39.99
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Google nest programmable wifi - google,

Google nest programmable wifi - google,

$79.95
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Google nest learning smart - nest,

Google nest learning smart - nest,

$174.99
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Ecobee state7 smart - ecobee,

Ecobee state7 smart - ecobee,

$84.00
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Google nest learning - google,

Google nest learning - google,

$69.99
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Brand new google nest - brand,

Brand new google nest - brand,

$42.95
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Honeywell visionpro 8000 - visionpro,

Honeywell visionpro 8000 - visionpro,

$39.95
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Lennox icomfort m30 wifi smart - lennox,

Lennox icomfort m30 wifi smart - lennox,

$107.96
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Honeywell home th6220wf2006 - home, th6220wf2006/u

Honeywell home th6220wf2006 - home, th6220wf2006/u

$40.00
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Ecobee smart thermostat - smart,

Ecobee smart thermostat - smart,

$69.99
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Honeywell home smart room - honeywell,

Honeywell home smart room - honeywell,

$29.99
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Ecobee for pro state 6p - ecobee, 6p-01

Ecobee for pro state 6p - ecobee, 6p-01

$151.99
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Google nest thermostat - nest,

Google nest thermostat - nest,

$54.95
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Honeywell home smart color - home,

Honeywell home smart color - home,

$47.99
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Smart wifi programmable - smart,

Smart wifi programmable - smart,

$223.24
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Warmup wifi 6ie smart - warmup,

Warmup wifi 6ie smart - warmup,

$150.00
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Google nest learning - nest,

Google nest learning - nest,

$92.95
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Google nest learning - google,

Google nest learning - google,

$100.00
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Honeywell home rchtsensor - honeywell, rchtsensor-e

Honeywell home rchtsensor - honeywell, rchtsensor-e

$44.99
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Honeywell home rth9585wf wifi - honeywell,

Honeywell home rth9585wf wifi - honeywell,

$59.99
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Honeywell home rth9585wf wifi - honeywell,

Honeywell home rth9585wf wifi - honeywell,

$37.99
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Inkbird prewire wifi - inkbird,

Inkbird prewire wifi - inkbird,

$39.59
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Nest learning thermostat 4th - thermostat,

Nest learning thermostat 4th - thermostat,

$195.99
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New sealed google - nest, smart

New sealed google - nest, smart

$71.95
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Lennox s40 smart thermostat - smart,

Lennox s40 smart thermostat - smart,

$474.99
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Schluter ditra heat - schluter, brand

Schluter ditra heat - schluter, brand

$235.00
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Ecobee smart thermostat - smart,

Ecobee smart thermostat - smart,

$45.00
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Compact digital wifi - compact,

Compact digital wifi - compact,

$73.97
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Cielo breez lite smart - breez,

Cielo breez lite smart - breez,

$34.99
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Honeywell x2s smart - x2s, thermostat

Honeywell x2s smart - x2s, thermostat

$46.00
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Honeywell rth8800wf2022 - rth8800wf2022, t5

Honeywell rth8800wf2022 - rth8800wf2022, t5

$49.00
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Honeywell home rth9600wf wifi - home,

Honeywell home rth9600wf wifi - home,

$74.99
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Mysa smart thermostat for - mysa,

Mysa smart thermostat for - mysa,

$78.50
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Smart wifi thermostat for home - wifi,

Smart wifi thermostat for home - wifi,

$69.99
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Tuya wifi smart thermostat - tuya,

Tuya wifi smart thermostat - tuya,

$54.39
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Honeywell home elitepro s1100 - honeywell,

Honeywell home elitepro s1100 - honeywell,

$165.00
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Dewenwils smart wifi - dewenwils,

Dewenwils smart wifi - dewenwils,

$25.99
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Google nest thermostat - nest,

Google nest thermostat - nest,

$39.00
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Ecobee lite smart thermostat - smart,

Ecobee lite smart thermostat - smart,

$75.00
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Google nest smart thermostat - google,

Google nest smart thermostat - google,

$64.99
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Ecobee for pro smart - ecobee,

Ecobee for pro smart - ecobee,

$154.99
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Saswell tuya wifi - saswell, smart

Saswell tuya wifi - saswell, smart

$29.99
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Honeywell home thx900b2 - honeywell,

Honeywell home thx900b2 - honeywell,

$99.99
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Honeywell rth6580wf1001 fi - honeywell, wi-fi

Honeywell rth6580wf1001 fi - honeywell, wi-fi

$49.99
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Gas boiler room heating - gas,

Gas boiler room heating - gas,

$39.00
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Sensi lite st25w smart - st25w,

Sensi lite st25w smart - st25w,

$44.99
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Saswell t29utw wifi - saswell, t29utw-7-wifi(ty)

Saswell t29utw wifi - saswell, t29utw-7-wifi(ty)

$19.99
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Ecobee for pro - pro., eb-state

Ecobee for pro - pro., eb-state

$184.99
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3rd gen learning thermostat - gen,

3rd gen learning thermostat - gen,

$19.89
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Emerson sensi wifi - sensi, smart

Emerson sensi wifi - sensi, smart

$39.99
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Google nest thermostat g4cvz - google,

Google nest thermostat g4cvz - google,

$39.99
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Programmable thermostat for - programmable,

Programmable thermostat for - programmable,

$172.64
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Zen zigbee thermostat new - zen, in

Zen zigbee thermostat new - zen, in

$30.00
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Ecobee premium smart - ,

Ecobee premium smart - ,

$155.00
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Wifi digital temperature - digital,

Wifi digital temperature - digital,

$39.59
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Sale google nest 3rd gen - sale:,

Sale google nest 3rd gen - sale:,

$92.95
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Discount working kit google - discount,

Discount working kit google - discount,

$79.95
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Honeywell home x2s smart wifi - honeywell,

Honeywell home x2s smart wifi - honeywell,

$44.99
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Google nest thermostat - google,

Google nest thermostat - google,

$29.75
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Honeywell home - honeywell,

Honeywell home - honeywell,

$39.99
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Ecobee4 smart thermostat pro - smart,

Ecobee4 smart thermostat pro - smart,

$80.00
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Ecobee wifi smart thermostat - ecobee,

Ecobee wifi smart thermostat - ecobee,

$39.99
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Ecobee3 lite smart thermostat - lite,

Ecobee3 lite smart thermostat - lite,

$59.99
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Aqara thermostat hub w200 - aqara,

Aqara thermostat hub w200 - aqara,

$119.99
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Looking for more smart thermostats?

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📊96 listings · from $19.89 · avg $91.52

Browse 96 smart thermostats listings currently in our index. Prices range from $19.89 to $474.99, with an average of $91.52. 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 smart thermostats →

Try this: radiant baseboard heater | small space heaters | 1970 toyota landcruiser | four registers | fireplace mini heater | lasko ceramic space heater | heater times | 2 small space heaters | hvac metal air vent | electrical wall heater

Shop by budget

< $25 $25 – $50 $50 – $100 $100 – $200 $200 – $500 > $500

Everything you need to know about smart thermostats

Whether you are looking for a brand-new or second-hand smart thermostats, 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 $19.89, while premium listings can reach $474.99 — giving you a wide budget spread to work with. The average price of $91.52 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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