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Customer Ratings & Reviews

Customer reviews

Rating 4.5 out of 5 stars with 28 reviews

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Rating by feature

  • Value

    Rating 4.6 out of 5 stars

  • Quality

    Rating 4.7 out of 5 stars

  • Ease of Use

    Rating 4.3 out of 5 stars

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Cons mentioned filter

86%would recommend to a friend

Customers are saying

Customers have good things to say about the C-Wire Adapter's ease of use and simple installation. Many comments praise how easy it is to install and follow the directions. The product's straightforward design is a recurring positive theme in customer feedback. There were no negative customer comments reported.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 2 Showing 21-28 of 28 reviews
  • Rated 5 out of 5 stars

    Not necessary with T9

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    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product. But returning because one of the two new thermostats I bought came with it.

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Thermostat

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This came in handy needed it. I was happy that Best Buy had it

    I would recommend this to a friend
    • Brand response from Resideo Team
      Posted .

      Hi, we are happy to hear that it worked fine. If you happen to need assistance you can contact our tech support team at (800) 633-3991 or you can send us a Private Message to our Honeywell Home Facebook account. - Maria resideo

  • Rated 5 out of 5 stars

    Great product !!!!!

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This was a wonderful item to allow me to use my new smart thermostat as my home was built in 1950’s so I did not have a c wire

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Not useful

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It look like it would work great but i did not need it.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Exceptional Pricing

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Exactly what I needed to install my smart thermostat.

    I would recommend this to a friend
  • Rated 1 out of 5 stars

    not for use with 2 wire system

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    Posted . Owned for less than 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Only works if you have a hvac system if you have and in wall heater this wont work

    No, I would not recommend this to a friend
    • Brand response from Resideo Team
      Posted .

      Hi Gil064, thanks for reaching out! The C-Wire Adapter works with 24 VAC Thermostat Systems. If you'd like to have further information about compatibility, please feel free to reach out to us on Facebook/Twitter with a private message.- Charlie resideo

  • Rated 5 out of 5 stars

    Honeywell thermostat c wire adapter

    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The right product for a good price. Ordered online and had a easy pickup with the locker system.

    No, I would not recommend this to a friend
  • Rated 5 out of 5 stars

    Reviews

    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great products from a great place! Best Buy is by far my favorite store.

    I would recommend this to a friend
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