Refurbished Heating & Temperature Control — 20 Deals

20 open-box and refurbished Heating & Temperature Control deals are live for shoppers in the US right now, with discounts averaging 25% off retail. Prices range from $9 to $35, and every listing shows the seller's condition grade, current price, savings versus list price and stock status — so you can compare before you buy. Top brands on sale include MENGBEI, MQFORU, MQUPIN and Fermtech. Inventory syncs from Amazon and other partner stores throughout the day; open-box stock is usually one-of-a-kind, so the best deals sell out fast.

20 live US listings.

USA

BLUBYEES

BLUBYEES Digital Kombucha Heating Wrap with Precise Temperature Control and Timer Function - Kombucha Starter Kit, the Ideal Fermentation Heating Pad for Kombucha and Sourdough

$20⁷⁵

Northern Brewer - FermoTemp Electric Fermentation Heater

Used – Mint

$19⁸⁵

$39.99

-51% Save $20.14

Update: 14 hours 8 mins

Buy at Amazon.com

USA

Pakusane

SourKeeper, Larger 2-in-1 Sourdough Starter Warmer Pro - 2026 Upgrade Larger Heating Plate, Dough Temp Probe, 1°F Control (70–110°F), 24H Timer, Real-Time Monitoring, for Beginner Bakers Pro-WHT

$34⁴³

Sourdough Starter Warmer, Precise 1°F Thermostat Control (70-100°F) Sourdough Warming Mat, Smart Warming On/Off, 12-Hour Timer Sourdough Warmer(Wood Grain)

$18⁹⁹

$15⁹⁹

Sourdough Starter Warmer Mat, Precise 1°F Thermostat 70–100°F, 12H Timer Auto Shut-Off, Fermentation Heating Mat for Bread Proofing, Yogurt Making & Home Baking

$13⁶⁶

Sourdough Starter Jar Warming Mat, Sourdough Jar Heater for All Seasons, 3 Heat Settings

$14²⁵

Fermtech Fermentation Heating Belt | Electric Brew Beer Wine Kombucha Warming Belt For Carboy Jug Pail Bucket 3D Printer Raisin Heating Vat Pefect Prints Every Time.

$13⁶⁵

Sourdough Starter Warmer with Dome, Bread Starter Warmer with Precise 1°F Sourdough Temperature Control (70-100°F), Sourdough Warming Mat for Home Baking, 12-Hour Timer Sourdough Starter Warmer Mat

$20⁹⁷

Sourdough Starter Warmer, Digital Temperature Control Heating Mat for Home Baking with 24H Timer & 1°F Precision, Smart Memory Function, Fits Jars Up to 40 oz, Ideal Baking Gift (Black)

Used – VeryGood

$12²⁸

$16.99

-28% Save $4.71

Update: 19 hours 50 mins

Buy at Amazon.com

USA

MQFORU

Sourdough Starter Warmer Mat, Precise 1°F Thermostat Control (70-120°F) Sourdough Heating Mat, Warmer for Sourdough Starter, 0-24h Timer, Auto On/Off, Memory Function (Black)

$9⁴⁸

Sourdough Starter Warmer with Temperature Display,Sourdough Warming Mats 100℉ Electric Heating 12 Hours Timing Function Sourdough Heating Mat Bread for Baking Supplies Kitchen Bakers (Black)

$15⁹⁹

Sourdough Starter Warmer Mat - 24H Timer - Precise 1°F Thermostat Control (70-110°F) - Smart Memory Warming On/Off - Warming Heating Pad for Sour Dough Starter (Wood Grain)

$23⁰⁸

Sourdough Starter Warmer Mat - 24H Timer - Precise 1°F Thermostat Control (70-110°F) - Smart Memory Warming On/Off - Warming Heating Pad for Sour Dough Starter (Black)

$22⁰⁹

Electric Sourdough Starter Warmer, Upgrade Warming Heating Pad Mat for Sour Dough Starter, Sourdough Heater Proofing Tool for Home Baking with Thermostat Control, Timing, Memory Function (White)

$22²²

Sourdough Starter Warmer with Glass Dome, Precise 1°F Thermostat Control (70-100°F), Sourdough Warmer and Dome for Home Baking,24H Timer Auto Warming On/Off Sourdough Warming Mat（Black）

$33³²

Hemlock Home Brewing Kombucha Heating Wrap - Fermentation Heater Mat Pad with Temperature Control

Used – VeryGood

$24⁹²

$28.00

-11% Save $3.08

Update: 11 hours 13 mins

Buy at Amazon.com

USA

MQUPIN

MQUPIN Sourdough Starter Warmer-Sourdough Warming Mat with Precise Temperature Control(70-120°F), Upgraded 0-24H Timer Alert & Memory Function Sourdough Warmer for Home Bread Baking,°F/°C Adjustable

$13⁵⁹

TOYER LOVER Sourdough Starter Warmer with Time Tracking Band & Temp Sticker, Heating Pad for Fermentation,12H Timer, Precise 1°F Thermostat Control(70-100°F), Fit Jars to 40oz, Home Baking(Black)

$11⁹⁵

Sourdough Starter Warmer Mat, 1°F Precise Temp 65–110°F, 24H Timer & Memory, Heating Pad for Dough Proofing, Beer & Wine Brewing, Fits 24–40oz Jars（Black）

$16⁵⁸

Heating & Temperature Control open-box FAQ

How much can I save on open-box Heating & Temperature Control?

Discounts on Heating & Temperature Control at OpenBoxFox currently average 25% off retail across 20 live listings, with prices from $9 to $35. Savings are measured against the manufacturer's list price.

Are open-box and refurbished Heating & Temperature Control safe to buy?

Yes — every listing shows the seller's condition grade (from open-box "Like New" to certified refurbished) before you buy. You purchase directly from the seller, such as Amazon, and that seller's standard return policy applies to your order.

Which Heating & Temperature Control brands are on sale open-box right now?

The most-listed brands in Heating & Temperature Control at the moment are MENGBEI, MQFORU, MQUPIN, Fermtech and Hemli Home. New open-box inventory arrives daily, so brand availability changes often.

How often are Heating & Temperature Control deals updated?

OpenBoxFox syncs Heating & Temperature Control inventory from partner stores throughout the day. Sold-out listings are removed automatically and new deals appear shortly after we find them.