You Knead Sourdough
Electric Fermenting Heat Box
Electric Fermenting Heat Box
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Thousands of happy home baking customers
Introducing our Electric Heat Box, the ultimate solution for creating the perfect environment for your sourdough bread dough and starter proofing. Designed to maintain a consistent and ideal temperature, this heat box ensures your dough rises perfectly every time.
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Elevate your sourdough baking with our Electric Heat Box. Whether you're a home baker or a professional, this tool will help you achieve perfect results every time.
Features:
- Efficient Heat Retention: Foil-lined interior provides excellent heat retention, maintaining a consistent environment for optimal proofing.
- Temperature Controls: Easily adjust and maintain the perfect temperature for your sourdough, ensuring consistent results. Temperature range is 10°C-45°C with a default of 30°C
- Viewing Window: Convenient viewing window allows you to monitor the proofing process without opening the box and disturbing the environment.
- Compact and Portable: Sleek collapsible design that fits comfortably on your countertop and can be easily moved and stored as needed.
- User-Friendly Interface: Simple controls make it easy to set and adjust the temperature to your preference.
Tip - aim for 28 degrees Celsius. This is your sourdough bread and starters favourite temperature
Dimensions: 40cm long x 33cm wide x 25cm high
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To view shipping costs for your country, visit our shipping policy here.
Please double-check your shipping address before placing your order. Once shipped, we cannot accept responsibility for incorrect address details. Returned parcels can be refunded or re-posted.

I am so happy I got the Electric Fermenting Heat Box. I was having trouble with my starter and bulk fermentation due to a cold kitchen in winter. I have been able to easily strengthen my starter since using it and bulk fermentation is so much quicker (and easier to predict timing). It has made a huge difference to my sourdough.
We’re thrilled the Heat Box has made such a difference to your starter and bulk fermentation, Steph! Here’s to many more beautiful loaves. Happy baking! 😊
My sourdough has never been the same since I moved from the Uk to Australia where my kitchen is actually much colder because of the lack of constant heating. I’ve only had success if a heater is on all day and the dough rests by the heater. Now my new proofing box (which folds away taking so little space!) has changed that around. Consistent temp for the sourdough means predictability and results. I’m so thrilled!!
My uni flat is far too cold to proof my sourdoughs, have found setting my heat box on 24c gives me perfect loaves every time :)
I love all your products. Started my sourdough journey and Have brought nearly everything 😂😅😂 .. I am loving my last purchase a proofing box. Does a great job. 🩵🩵
Your sourdough collection is growing beautifully, Maria! We love being part of your journey and are thrilled the Heat Box has been another wonderful addition. It sounds like your kitchen is becoming a sourdough baker’s dream! 😂🩵
-Ariane
Zipper is a little sticky but overall great product
Hey Laura! We’re glad you’re enjoying your Heat Box overall, and we appreciate your feedback about the zipper. If it continues to feel sticky or becomes difficult to use, our Support Team will be happy to help. 😊
-Ariane