ThermoMate
Verified StoreThermoMate sells electric and gas tankless water heaters that deliver on-demand hot water with digital temperature control.
Verified Coupons (3)
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Get an Extra 10% Off Store-Wide
We know you don't want to miss any discounts from ThermoMate! Make your purchase now with this ThermoMate coupon.
Expires September 19, 2026
Get an Extra 10% Off Store-Wide
We know you don't want to miss any discounts from ThermoMate! Make your purchase now with this ThermoMate coupon.
Expires September 23, 2026
Free Shipping On All Order
Let's use this ThermoMate coupon at checkout to save off. Don't hesitate any more!
Expires September 22, 2026
Editor's Verdict
👍 Pros
- ✓Genuinely efficient, space-saving on-demand hot water heating
- ✓Accurate digital temperature control confirmed by independent testers
- ✓ETL certification and retail distribution add credibility
- ✓Competitive pricing versus comparable tankless models
👎 Cons
- ✕High-output electric models require substantial dedicated circuits (up to 76A) and professional electrician installation
- ✕BBB lists a C- rating, citing complaints about electrical compatibility and voltage mismatches
- ✕Some customers report slow or unresponsive technical support for warranty issues
- ✕Higher upfront cost than a standard tank water heater, before installation expenses
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Frequently Asked Questions
ThermoMate lists shipping costs and delivery estimates at checkout for its water heaters.
ThermoMate offers a 30-day return policy on new, unused units and backs its products with a 2-year warranty, with optional extended protection plans available at checkout.
Yes, every ThermoMate coupon listed on smartstorereview is checked by our team before publication. We recommend applying the code exactly as shown at checkout and reporting any code that doesn't work so we can update it.
ThermoMate accepts major credit and debit cards along with other standard secure checkout options through its online store.
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Customer Reviews
4.1
★★★★☆
210 reviews
Todd R. Verified Buyer
★★★★★
Had an electrician confirm my panel could handle it before ordering, and once installed this thing delivers hot water almost instantly. Our energy bill noticeably dropped compared to our old tank heater.
Melissa H. Verified Buyer
★★★★☆
Great performance and the digital temperature control is really precise. Just make sure you budget for a licensed electrician since the wiring requirements are significant.
Gary P. Verified Buyer
★★☆☆☆
The unit itself seems fine, but I had a voltage compatibility question and support was slow to get back to me. Took several calls before I got a clear answer.