TLDR Review: Honeywell RTH111B Thermostat
Verdict
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.
- Top pro:
- Simple design and ease of use make this thermostat user-friendly.
- Top con:
- Low temp lockout feature prevents heat activation below 25 degrees, not suitable for freezing conditions.
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.
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How we researched this
About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Sep 26, 2026.
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