Smart thermostat · Honeywell Home · price guide
Honeywell Home RTH9585WF value
A Honeywell Home RTH9585WF smart thermostat sells for about $54.10 on eBay, from 49 sales between Mar 30, 2026 and Oct 26, 2026. Most sell for $36.05 to $80. Used ones bring $39.99, new ones $83.95. At local online auctions it has gone for $49.
2 older sales before Oct 14 not drawn (in the numbers below).
See the numbers
| Month | Sales | Middle price |
|---|---|---|
| Mar 2026 | 1 | $39.95 |
| Apr 2026 | 1 | $39.95 |
| Oct 2026 | 47 | $54.95 |
The flip math
What one Honeywell Home RTH9585WF is worth to a reseller, line by line.
To keep at least 2 times what you pay, bid no more than $5.30. Above $12.16 you lose money after every fee. Run your own numbers.
Local auction prices
1 single Honeywell Home RTH9585WF lot closed at Kansas and Missouri online auctions we track, at a middle winning bid of $49.
| Closed | Winning bid |
|---|---|
| Oct 30, 2026 | $49 |
Selling notes
- 57% of sales shipped free; the rest charged a middle $8.89 for shipping.
- 29% sold through Best Offer, where the real price can be lower than shown.
- 47 sold in the last 30 days, 47 in the last 90.
Questions
How much is a used Honeywell Home RTH9585WF smart thermostat worth?
About $39.99 on eBay, the middle of 35 used sales between Mar 30, 2026 and Oct 26, 2026. Most used ones sell for $36.05 to $80 once new ones are counted too.
What does a new Honeywell Home RTH9585WF smart thermostat sell for?
New ones sold for a middle price of $83.95 across 14 eBay sales.
How fast does a Honeywell Home RTH9585WF sell?
47 sold on eBay in the last 30 days and 47 in the last 90. 57% of sales came with free shipping.
What does a Honeywell Home RTH9585WF go for at auction?
At the Kansas and Missouri online auctions we track, 1 single Honeywell Home RTH9585WF lot closed at a middle winning bid of $49, against $54.10 on eBay.
Is a Honeywell Home RTH9585WF worth flipping?
Sold at $36.05 on eBay you keep about $17.64 after fees, shipping and a returns buffer. To double your money, pay no more than $5.30 as a winning bid with an 18% premium and 9% tax.
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Look up yoursHow we got these numbers
- 49 eBay sales of the Honeywell Home RTH9585WF from Mar 30, 2026 to Oct 26, 2026, each one checked to be this model (at least half name it in the listing; the rest match it closely).
- eBay prices are completed sales (what buyers paid), not asking prices, from our sold-data provider. We keep only sales of the same product: parts, accessories, bundles and look-alikes are dropped before anything is counted.
- Local auction prices are winning bids on single-item lots at the Kansas and Missouri online auctions we track (HiBid and Equip-Bid sellers), read by our own lot reader. Lots of several units are left out.
- The money math uses our standard costs: 18% buyer's premium, 9% sales tax, a $2.00 lot fee, eBay's 13.6% + $0.40 fee, shipping at cost (never counted as profit) and a 15% buffer for returns and duds. Members set their own.