Warranty Information
Hukka Maininki Sauna Thermometer and Hygrometer, Droplet

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Great news! Your wellness products may qualify for HSA/FSA reimbursement through our partnership with TrueMed.
Use pre-tax dollars and save 30-40% – that's hundreds or even thousands of dollars back in your pocket. Takes just 3 minutes to qualify.
Shop as normal and proceed to checkout when ready.
Fill in your standard shipping and contact details.
Choose "TrueMed - Pay with HSA/FSA" and click Continue.
Answer a few health questions (takes ~3 minutes) to determine your eligibility for HSA/FSA reimbursement.
Pay directly with your HSA/FSA card, or use a regular credit card and get reimbursed later.
A licensed provider reviews your survey. If approved, you'll receive a Letter of Medical Necessity (LMN) for your records or reimbursement.
If your HSA/FSA card has sufficient funds:
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Questions? Contact our support team at 360-233-2867
One of the many benefits of shopping with Haven Of Heat is that most customers pay no sales tax on their order—potentially saving you hundreds or thousands!
WA, IL, WI, AZ, UT, FL, TN, and MN
If your shipping address is outside those states, your order will be completely tax-free at checkout.
This is because we are based in Oregon and don't meet the economic thresholds or have physical operations in other states. We're proud to pass those savings on to you—along with free nationwide shipping and our lowest price guarantee!
The Hukka Maininki Sauna Thermometer and Hygrometer is an essential accessory for your home sauna. Made from Finnish soapstone, it is both stylish and functional, fitting seamlessly into any sauna interior. This contemporary device helps you monitor humidity and heat to achieve the perfect steam for your needs, making it an excellent gift for any sauna enthusiast.
Crafted from Carelian Soapstone, known for its ability to withstand harsh Nordic environments, this durable material accumulates and maintains both heat and cold efficiently. Despite being a relatively soft stone, it is dense and heavy, resistant to absorbing liquids or tastes, and safe for food preparation and storage. Its 2.8 billion-year formation process ensures it stands up to modern challenges, making Hukka products uniquely reliable.