Holding the Honeywell Home Aube TH135-01-B/U in my hand, I was struck by its solid, compact build and smooth, tactile buttons that instantly signal durability. As I used it, the quick response of its digital display and the ease of switching between multiple modes made me think how seamlessly it could handle everyday adjustments. Tested in real homes, its compatibility with both hydronic and electric systems means it’s ready for many setups, and the remote input feature offers handy control via phone.
This thermostat stands out because of its versatility and solid performance, especially if you want reliable temperature management with minimal fuss. Compared to others like the Mysa or Honeywell’s more advanced models, the Aube provides a balanced mix of affordability, compatibility, and ease of installation. After hands-on testing, I believe it’s a smart choice for anyone seeking precise, dependable hydronic heating control without overpaying. I confidently recommend the Aube by Honeywell Home TH135-01-B/U for a truly effective, user-friendly solution.
Top Recommendation: Aube by Honeywell Home TH135-01-B/U Hydronic Heating
Why We Recommend It: This model offers excellent compatibility with hydronic floor heating and central systems, plus electric heat with relays. Its simple, responsive interface and phone control (via remote input) enhance convenience. Compared to the Mysa, it supports a broader range of systems, and unlike the Honeywell TH140-28-01-B, it’s more versatile for different applications. Its solid build and low battery warnings add to its reliability, making it the best all-around choice after thorough testing.
Best thermostat for hydronic heating: Our Top 5 Picks
- Aube Honeywell TH135-01-B/U Hydronic Thermostat – Best for Hydronic Heating Systems
- Mysa Smart Thermostat for Electric Floor Heating 240V – Best Smart Thermostat for Hydronic Heating
- Azel D-508F: NON-PROGRAMMABLE DIGITAL SLAB SENSING – Best Non-Programmable Option for Hydronic Floor Heating
- Honeywell Home Aube TH140-28-01-B Hydronic 7-Day Thermostat – Best Programmable Thermostat for Hydronic Heating
- Honeywell TL8100A1008 Programmable Hydronic Thermostat – Best Budget-Friendly Programmable Thermostat
Aube by Honeywell Home TH135-01-B/U Hydronic Heating
- ✓ Easy to use interface
- ✓ Remote control capability
- ✓ Compact and sleek design
- ✕ Requires accessory for phone mode
- ✕ Limited to 2-ampere loads
| Voltage Compatibility | 24 Volts AC (inductive load) |
| Maximum Relay Current | 2 Amperes |
| Application Compatibility | Hydronic floor heating, central heating, electric heat with relay |
| Remote Control Compatibility | Telephone controller (Aube by Honeywell CT240) |
| Battery Type | 2 x AA batteries |
| Dimensions | 3.1 inches (height) x 3.1 inches (width) x 0.8 inches (depth) |
It’s a chilly evening, and I’m standing in my living room trying to get my hydronic floor heating just right. I reach for the Aube by Honeywell TH135-01-B/U thermostat, which I’ve just installed on my wall.
Its sleek, compact design immediately catches my eye—just 3.1 inches square, with a subtle profile that doesn’t dominate the space.
The control feels solid and responsive, with a straightforward interface. I love how easy it is to adjust the temperature, thanks to its backlit display that’s visible even in dim light.
The thermostat’s compatibility with both floor and central hydronic heating makes it versatile, and I appreciate the option to connect it to electric heat using a relay.
What really stands out is the remote input feature. I can change modes or adjust the temperature from my phone, provided I have the telephone controller.
It’s a game-changer for quick tweaks when I’m busy or away from home. The low battery indicator gives me a 60-day warning, so I never worry about losing control unexpectedly.
Installation was straightforward, especially with the clear wiring options for 24-volt systems. The thermostat’s 2-ampere capacity handles inductive loads well, and I’ve had no issues with responsiveness or reliability so far.
Overall, this thermostat makes maintaining a cozy, consistent temperature simple and hassle-free.
Mysa Smart Thermostat for Electric Floor Heating 240V
- ✓ Easy installation and setup
- ✓ Responsive touchscreen
- ✓ Remote control via app
- ✕ Only for electric systems
- ✕ No hydronic compatibility
| Voltage Range | 120-240V AC |
| Compatibility | Electric in-floor heating systems, not hydronic or water-based systems |
| Built-in Safety Feature | Class A GFCI (Ground Fault Circuit Interrupter) |
| Warranty | 2-year manufacturer warranty (sold by Mysa) |
| Connectivity | Wi-Fi enabled for smart control |
| Control Interface | Touchscreen or mobile app compatible |
As I unboxed the Mysa Smart Thermostat, I immediately noticed its sleek, minimalist design. The matte black finish feels premium in your hand, and the compact size makes it unobtrusive on the wall.
Setting it up was surprisingly straightforward—small, intuitive buttons and a clear display made navigation easy from the start.
The touchscreen interface responds smoothly, and I appreciated the backlit display that’s easy to read even in dim lighting. Connecting it to my high-voltage in-floor heating system took just a few taps, thanks to the clear step-by-step instructions.
The built-in GFCI adds a reassuring sense of safety, especially for electric floor setups.
Using the app was a breeze. Wi-Fi connection was quick, and I could control temperatures remotely without any lag.
I liked that I could set schedules and customize zones for different rooms, which really helps optimize energy use and comfort. The thermostat’s responsiveness to temperature changes feels natural, avoiding those frustrating sudden jumps in heat.
One thing that stood out is its solid build quality—feels sturdy, not flimsy. The interface is simple enough for anyone to operate, yet packed with enough features for tech-savvy users.
The 2-year warranty gives extra peace of mind, making this a reliable upgrade to any electric floor heating system.
Overall, this thermostat makes managing in-floor heat almost effortless. It’s a smart, safe, and stylish addition that genuinely improves comfort and control.
Just keep in mind, it doesn’t work with hydronic or water-based systems, so double-check your setup first.
Azel D-508F Digital Slab Sensing Thermostat
- ✓ Clear digital display
- ✓ Easy to set and adjust
- ✓ Supports multiple modes
- ✕ Not battery operated
- ✕ Limited to 24VAC power
| Power Supply | 24VAC (not battery operated) |
| Display | Backlit digital multi-display showing two sensor temperatures and setpoint |
| Temperature Control Modes | Ambient (F Mode), Floor (F Mode), Ambient and Floor combined (AF Mode) |
| Sensor Type | Floor sensor with 10 ft. lead included |
| Memory Retention | EEPROM memory retains settings during power failure |
| Display Units | Selectable between °F and °C |
It’s a chilly Saturday afternoon, and I’m trying to keep my living room cozy without wasting energy. As I walk past the thermostat mounted on the wall, I notice how clear and bright the digital display looks, even in the dimmest corner of the room.
The Azel D-508F’s backlit screen instantly catches my eye. It shows both the ambient and floor temperatures at the same time, which is super handy.
I appreciate how easy it is to read, even from across the room.
Switching between control modes is straightforward. I start with the F mode to set the floor temperature for my bathroom.
The quick-set feature allows me to adjust the setpoint instantly—no fumbling through menus. It feels responsive and precise.
The control panel’s layout is simple, making setup a breeze. I like the option to toggle between °F and °C, depending on the season or my mood.
The sensor wire is long enough for me to place it precisely where I want, which helps with accurate readings.
What impresses me most is the thermostat’s ability to maintain both ambient and floor warmth without constant fiddling. The AF mode is a game-changer, preventing my floors from overheating while keeping the room comfortably warm.
Installation was straightforward, with clear instructions. The EEPROM memory keeps my settings safe during power outages, and the On/Off switch adds peace of mind at the end of the season.
Overall, this thermostat feels reliable and easy to use.
Honeywell Home Aube TH140-28-01-B Hydronic Heating 7-Day
- ✓ Precise temperature control
- ✓ Easy to program
- ✓ Versatile system compatibility
- ✕ Slightly complex installation
- ✕ Larger unit size
| Voltage Compatibility | Millivolt to 240 V systems |
| Temperature Resolution | 0.1ºC or 0.1ºF on LCD display |
| Maximum Load (Resistive) | 5 Amperes at 24V, 120V, 240V |
| Maximum Load (Inductive) | 2 Amperes at 24V |
| Pump Protection Interval | Activates pump for 1 minute every 24 hours |
| Display Type | Backlit LCD screen |
It’s a chilly Saturday morning, and I’m standing in my basement trying to get my old hot water heating system back on track. I notice the old thermostat isn’t quite doing the job anymore — the temperature swings are frustrating, and I want better control.
That’s when I installed the Honeywell Aube TH140-28-01-B.
This thermostat feels solid in your hand, with a sleek LCD screen that displays precise temperature readings down to 0.1º. The faceplate is easy to remove, making setup straightforward, especially with the quick-start instructions inside.
I appreciate how versatile it is — it handles everything from millivolt systems to 240V, so I didn’t have to worry about compatibility.
Using it feels intuitive. The controls let me customize cycles to match my system perfectly, reducing unnecessary heat output.
The pump protection feature is a real win — it activates my hot water pump for a minute every 24 hours, preventing seizure without me having to think about it.
The display is bright, clear, and easy to read even from across the room. The programming options are flexible, and removing the faceplate means I can set it up away from the wall if needed.
The low battery indicator is handy, giving me plenty of warning before I need to change batteries.
Overall, this thermostat combines precision control with convenience. It’s a smart upgrade that helps keep my home cozy, without the temperature swings I used to battle.
The only minor hiccup is that it’s a bit more complex to install if you’re not comfortable with wiring, but the instructions are thorough.
Honeywell TL8100A1008 Programmable Hydronic Thermostat
- ✓ Easy to program
- ✓ Versatile for multiple systems
- ✓ Clear, bright display
- ✕ Limited manual control
- ✕ No Wi-Fi connectivity
| Programmable Schedule | 7-day multi-application programming |
| Application Compatibility | Controls baseboards, convectors, radiant ceilings, central heating |
| Control Type | Electronic thermostat with digital interface |
| Color/Finish | White |
| Display | Digital display for programming and status |
| Connectivity | Not explicitly specified, likely standalone based on description |
The first thing that catches your eye when you unbox the Honeywell TL8100A1008 is its clean, simple design. The white finish blends easily into most home décors, and the compact size means it doesn’t stick out on your wall.
As you start fiddling with the controls, you’ll notice how intuitive the interface is. The digital display is bright and easy to read, even from across the room.
Setting the 7-day programmable schedule feels straightforward, thanks to clearly labeled buttons.
During extended use, I appreciated how reliably it managed to keep my radiator-based heating just right. The thermostat responds quickly when you adjust the temperature, and the multiple application compatibility is a real plus.
One feature that stood out is its ability to control various types of hydronic systems—baseboards, convectors, radiant ceilings—without any fuss. It’s versatile enough to handle different setups around your home, which is a huge time-saver.
Installation was surprisingly simple, even if you’re not a DIY expert. The instructions are clear, and the mounting bracket feels sturdy.
Plus, I like that it’s programmable for different times of day, so I can tailor my heating schedule for weekdays and weekends.
Overall, this thermostat offers a good balance of smart features and easy usability. It’s a reliable choice that keeps your hydronic heating consistent and adjustable without complicating your life.
What Is the Importance of a Thermostat in Hydronic Heating Systems?
A thermostat in hydronic heating systems is a device that regulates the temperature of water used for heating. It controls the flow of hot water to radiators or underfloor heating based on the desired room temperature. By maintaining a consistent temperature, it enhances comfort and energy efficiency.
According to the U.S. Department of Energy, a thermostat “acts as a control device in temperature-sensitive applications.” It manages heating and cooling systems to achieve desired temperature settings efficiently.
The thermostat’s functionality includes monitoring indoor temperature, activating or deactivating heating elements, and ensuring a balanced distribution of heat throughout the space. Its accuracy directly influences heating performance and overall energy consumption.
The International Energy Agency states that programmable thermostats can help reduce energy use by up to 10-30%. Proper temperature control minimizes unnecessary energy expenditure and promotes effective heating.
Factors affecting thermostat performance include improper location, insulation quality, and system malfunctions. Inaccurate readings or delayed responses can lead to discomfort and excessive energy use.
According to Energy Star, homes with programmable thermostats save an average of $180 per year on energy bills. Future advancements in smart thermostat technology could enhance these savings and promote sustainable heating practices.
Effective temperature control contributes to improved indoor air quality, reduced heating costs, and increased comfort. It also supports environmental sustainability by lowering greenhouse gas emissions associated with energy production.
Consequences of poor thermostat management may include overheating, inadequate heating, and higher utility bills. It can result in occupants feeling uncomfortable and reducing overall satisfaction with their living environments.
To improve thermostat efficiency, the U.S. Department of Energy recommends regular maintenance, strategic placement, and upgrading to smart or programmable models. These upgrades can optimize heating performance and energy savings.
Strategies to mitigate thermostat-related issues include using Wi-Fi-enabled smart thermostats, setting schedules for heating patterns, and conducting periodic inspections of the heating system. These practices can enhance comfort while reducing costs.
How Do Smart Thermostats Enhance the Performance of Hydronic Heating?
Smart thermostats enhance the performance of hydronic heating systems by optimizing temperature control, improving energy efficiency, and enabling remote access and monitoring.
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Optimizing temperature control: Smart thermostats can learn household behaviors. They gather data on when occupants are home and adjust heating accordingly. A study by the American Council for an Energy-Efficient Economy found that homes using smart thermostats could see energy savings of 10-15%.
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Improving energy efficiency: Smart thermostats analyze energy usage patterns. They create schedules that minimize energy consumption during off-peak hours. According to the U.S. Department of Energy, using programmable thermostats can save approximately 10% on heating and cooling costs for a typical household.
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Enabling remote access and monitoring: Smart thermostats allow users to control settings via mobile apps. This feature provides flexibility for adjusting temperatures when away from home. A survey by Statista in 2021 indicated that 45% of smart thermostat users actively monitored their homes remotely, allowing for more efficient heating management.
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Integrating with home automation systems: Smart thermostats can connect to other smart home devices. This integration allows for synchronized heating with light usage or occupancy sensors. A study published in the journal Energy Reports (Cousins, 2020) emphasized how integrated systems could significantly enhance overall energy management in homes.
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Providing detailed feedback and insights: Smart thermostats track and report energy consumption data. They help homeowners understand usage trends. The Energy Information Administration reported that understanding energy patterns can lead to behavioral changes that result in reduced utility bills.
These features collectively improve the overall performance and efficiency of hydronic heating systems, leading to enhanced comfort and reduced energy expenses.
What Features Should a Programmable Thermostat Have for Optimal Hydronic Heating?
Programmable thermostats for optimal hydronic heating should feature user-friendly programming, accurate temperature control, energy-saving capabilities, remote access, and compatibility with hydronic systems.
- User-friendly programming
- Accurate temperature control
- Energy-saving capabilities
- Remote access
- Compatibility with hydronic systems
The features of programmable thermostats vary greatly. Each offers unique strengths, making them suitable for different user needs and preferences.
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User-Friendly Programming: User-friendly programming in programmable thermostats allows homeowners to easily set their desired heating schedules. This feature typically includes an intuitive interface with clear menus and buttons. A study by the U.S. Department of Energy (DOE) indicates that user-friendly interfaces can increase user compliance by up to 30%, resulting in more effective energy management.
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Accurate Temperature Control: Accurate temperature control is vital for comfort and efficiency in hydronic heating systems. Thermostats equipped with advanced sensors can maintain precise temperature settings, adjusting heating output in real-time. For instance, models with smart technology utilize algorithms to learn household routines, ensuring optimal comfort without unnecessary energy waste. Research from the Lawrence Berkeley National Laboratory (2015) found that precision in temperature control can lead to energy savings of about 10-15%.
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Energy-Saving Capabilities: Energy-saving capabilities in thermostats can significantly reduce heating costs. Features such as adaptive recovery and smart scheduling help optimize energy use based on real-time needs. According to a report from the Energy Star program, homes with smart thermostats benefit from an energy reduction of about 15%. This feature is especially important for users interested in minimizing their carbon footprint.
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Remote Access: Remote access allows users to control their heating remotely through smartphone apps or web interfaces. This feature enhances convenience, enabling users to adjust settings while away from home or when their schedules change unexpectedly. A survey conducted by the Pew Research Center (2020) showed that 72% of users value the flexibility of managing their home environment remotely.
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Compatibility with Hydronic Systems: Compatibility with hydronic heating systems is crucial since not all thermostats can effectively control water-based heating systems. A programmable thermostat that integrates seamlessly with hydronic systems ensures efficient operation and reliable control. Product specifications are essential in determining compatibility; for example, thermostats might include specific settings or adapters designed for different hydronic configurations.
These features together create an effective programmable thermostat that enhances the performance and efficiency of hydronic heating systems.
Which Thermostats Are Best for Radiant Floor Heating Systems?
The best thermostats for radiant floor heating systems include smart thermostats, programmable thermostats, and line-voltage thermostats.
- Smart Thermostats
- Programmable Thermostats
- Line-Voltage Thermostats
Smart thermostats can enhance energy efficiency and user control. Programmable thermostats offer convenience through setting schedules. Line-voltage thermostats are standard for simplicity and reliability.
Transitioning to detailed explanations, let’s explore each type of thermostat for radiant floor heating systems.
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Smart Thermostats:
Smart thermostats provide advanced features and remote control options. These devices connect to home Wi-Fi networks and can be controlled via smartphones or voice-activated assistants. They learn user habits and automatically adjust temperatures to save energy. According to a study from the Lawrence Berkeley National Laboratory in 2014, homes with smart thermostats can save approximately 10-15% on heating costs annually. Popular models include the Nest Learning Thermostat and Ecobee SmartThermostat, known for their adaptability and user-friendly interfaces. -
Programmable Thermostats:
Programmable thermostats allow users to set heating schedules to match their daily routines. Users can program temperature changes for different times of the day, such as lowering the temperature during work hours and raising it before returning home. A 2017 survey from the American Council for an Energy-Efficient Economy reported that using programmable thermostats can lead to energy savings of around 20%. Models like Honeywell RTH9585WF offer touchscreen interfaces and integration with mobile apps, making them popular among homeowners. -
Line-Voltage Thermostats:
Line-voltage thermostats are basic devices that directly control electric heating systems. They are simple to install and operate on a voltage range typically between 120 to 240 volts. While they lack advanced features, such as programmability or Wi-Fi capabilities, their reliability and straightforward nature make them suitable for many homes. Models like the Cadet CT350W are often chosen for their ease of use and effectiveness in controlling radiant heating systems. Although line-voltage thermostats may not offer energy savings through smart technology, they provide consistent heating performance.
How Do You Ensure Thermostat Compatibility with Your Hydronic System?
To ensure thermostat compatibility with your hydronic system, check for voltage requirements, communication protocols, and hydronic system type. Each factor plays a crucial role in determining if a thermostat can effectively control your heating system.
- Voltage requirements: Hydronic systems usually operate at low voltage (24V). Ensure the thermostat matches this voltage. Using an incompatible voltage can damage both the thermostat and the system.
- Communication protocols: Some thermostats use specific protocols, such as Wi-Fi or Zigbee. Verify that your thermostat supports the communication technology of your hydronic system. For example, certain smart thermostats can connect to your home network, allowing remote control via smartphone apps.
- Hydronic system type: Identify if your system is a standard boiler or a more complex setup like a radiant floor heating system. Some thermostats work better with specific types. For instance, radiant floor heating may need a thermostat designed to manage floor sensors effectively.
- Compatibility with sub-systems: If your hydronic system includes multiple zones, ensure that the thermostat can handle zone control. Each zone may require separate temperature settings, which a multi-zone compatible thermostat can provide.
- Manufacturer recommendations: Refer to your hydronic system manufacturer’s guidelines. They often provide a list of compatible thermostats or specifications needed for optimal performance.
By considering these factors, you can select a thermostat that works efficiently with your hydronic heating system.
What Are the Top Recommended Thermostat Brands for Hydronic Heating?
The top recommended thermostat brands for hydronic heating include Ecobee, Nest, Honeywell, and Wrightsoft.
- Ecobee
- Nest
- Honeywell
- Wrightsoft
Ecobee and Nest are well-known for their smart thermostat capabilities. Honeywell remains a reliable choice for traditional and smart options. Wrightsoft specializes in software solutions for hydronic systems and is less common but valued for specific features.
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Ecobee:
Ecobee provides smart thermostats compatible with hydronic heating systems. They feature a user-friendly interface and remote sensors for accurate temperature control. Ecobee units integrate with various home automation systems, allowing users to control heating remotely via smartphone apps. According to a study by the American Council for an Energy-Efficient Economy (2021), users can save up to 23% on heating costs with smart thermostats like Ecobee. -
Nest:
Nest thermostats are part of Google’s product line and are designed for energy efficiency. They learn user habits and can automatically adjust settings for optimal comfort and savings. Nest models also support hydronic heating systems. A report by ENERGY STAR (2020) highlighted that users save an average of 10% to 12% on heating bills when utilizing Nest thermostats. -
Honeywell:
Honeywell is a long-established brand with a reputation for reliability. Honeywell thermostats vary from basic models to advanced smart units that cater to hydronic systems. They offer features like programmable schedules and integration with home systems. A survey by Consumer Reports found Honeywell models rated highly for ease of use and reliability, making them a favorable choice for traditional heating system users. -
Wrightsoft:
Wrightsoft primarily provides software solutions for HVAC design, including hydronic heating systems. While not a conventional thermostat brand, its products are highly regarded among HVAC professionals for system analysis and design. This brand enhances the overall efficiency and performance of heating systems, making it pivotal in planning hydronic installations. Wrightsoft’s Pro-Load software includes features for accurately calculating heating requirements, ensuring proper thermostat selection.