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Honeywell RTH111B Thermostat - Image 1
Honeywell RTH111B Thermostat - Image 2
Honeywell

Honeywell RTH111B Thermostat

$9.57across 83 retailers
Model: CECOMINOD043068Color: WhitesUPC: 85267666411
Lowest at Amazon
$20.99 at Amazon
Price seen Jul 25, 2022
Lowest at any Popular Retailer
$14.85 at Bonanza
Price seen Sep 1, 2023

Where to Buy

Newest price seen: Feb 23, 2025
RetailerPriceLast seenBuy
M
My Store
$9.57May 1, 2023, may have changedBuy Now
Bonanza logo
Bonanza
$14.85Sep 1, 2023, may have changedBuy Now
M
My Store
$15.00May 1, 2023, may have changedBuy Now
M
My Store
$15.00May 1, 2023, may have changedBuy Now
M
My Store
$15.00May 1, 2023, may have changedBuy Now

Prices are collected from retailer listings; each row shows the date we last saw that price. Return and shipping terms are each store's standard policy from our retailer research (April 2026). Some products and categories have different terms, so check with the store before you buy.

Pros

  • •Simple design and ease of use make this thermostat user-friendly.
  • •Installation is straightforward and takes about 15 minutes, even for those without electrical skills.
  • •Compatible with older heating systems, making it a great option for updates.
  • •Batteries last up to two years, reducing maintenance.
  • •Effective in regulating summer temperatures, shutting off automatically once desired temperature is reached.
  • •Features straightforward, easy-to-understand operations, without the need for programming.
  • •Highly recommended for older systems due to its successful installation in a 57-year-old hydronic heating system.

Cons

  • •Low temp lockout feature prevents heat activation below 25 degrees, not suitable for freezing conditions.
  • •The thermostat can inaccurately display the indoor climate, fluctuating 2 degrees from the set temperature.
  • •No backlight feature, which could be inconvenient for night adjustments.
  • •Cover removal during installation can be a bit challenging.
  • •Some units reported to have a defect in temperature accuracy, confirmed by customer support.

Bottom Line

The Honeywell RTH111B1024 Digital Non-Programmable Thermostat is ideal for users seeking a simple, reliable thermostat for mild climates or older systems. Its ease of installation and operation are strong suits, though its performance in freezing temperatures and accuracy may leave room for improvement. If you're facing harsh winters or are particular about precise temperature accuracy, you might want to consider other alternatives with better ratings for cold conditions.

Read full expert review

What Reviewers Are Saying

Praised
easy to use33%
installation took about 15 minutes11%
simple design22%
Criticized
locks out below freezing temps11%
display reads LO11%
very inaccurate temperature11%
no backlight22%
difficult to remove cover22%

Discussion

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