Best Smart Thermostat For Heat Only: Enhance Comfort and Efficiency

In today’s fast-paced world, convenience and efficiency are paramount. One area where these principles are making significant strides is home heating. Smart thermostats have revolutionized the way we control our indoor climate, offering both comfort and energy savings.Best Smart Thermostat For Heat Only

If you’re searching for the Best Smart Thermostat For Heat Only, you’re in the right place. In this article, we’ll explore the top options available, guiding you toward the perfect choice for your home.

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Understanding Heat-Only Systems

Before diving into the best smart thermostats, it’s important to understand what heat-only systems entail. Heat-only systems, often found in older homes or in specific zones of modern homes, focus solely on providing heat without the cooling function found in central air conditioning units. These systems typically consist of a boiler or furnace and radiators or baseboard heaters.

Advantages of Smart Thermostats for Heat-Only Systems

Smart thermostats bring a host of advantages to heat-only systems. They provide precise temperature control, adaptive learning, and the ability to remotely manage your heating system through smartphone apps. By intelligently adjusting temperatures based on your preferences and schedule, smart thermostats optimize energy consumption and save you money on utility bills.

Top 3 Best Smart Thermostat for Heat Only System

1. Nest Learning Thermostat

The Nest Learning Thermostat has gained fame for its sleek design and learning capabilities. It adapts to your schedule, automatically adjusting temperatures to match your habits.

Its compatibility with heat-only systems makes it a great choice. The Home/Away Assist feature senses your presence, ensuring your home is always comfortable.

The Nest Learning Thermostat has been around for a while, but it still is one of the best smart thermostats. Like many who choose it, I liked its clean, high-end aesthetics and the promise of having more control over not only my heating system but the temperature in individual rooms.Best Smart Thermostat For Heat Only

I was hesitant at first about the integration process, despite being attracted by Nest’s promises. My house is more than 120 years old. Even though the heating system is newer, it’s still a little geriatric. A Wi-Fi-enabled, AI-based, smart assistant-communicating thermostat connected to my home and expected to work perfectly with a heating and cooling system that’s been around for 20 years caused some cognitive dissonance that made me wonder if this could work.

Although there were a few bumps along the way, the installation process was positive in a lot of ways. It taught me how well cutting-edge systems can integrate with legacy infrastructure when designed correctly. I won’t spoil the ending.


  • Clean, simple aesthetics

  • Wide-ranging compatibility, even with older systems

  • Excellent voice assistant support

  • Reliable automated temperature control


  • Lack of granular notification controls

  • Initial training can result in some chilly/sweaty times until it gets a grip on your preferences

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2. Ecobee SmartThermostat

The Ecobee SmartThermostat offers a user-friendly interface and impressive compatibility with various heat-only setups. Its remote sensors enable precise temperature control in different rooms. This thermostat also integrates with popular smart home platforms like Amazon Alexa and Google Assistant.

It is Ecobee’s most advanced and latest connected thermostat ($249.99). You can control your heating and cooling from your phone, and you can use Alexa, HomeKit, Google Assistant, IFTTT, and SmartThings with it.

Best Smart Thermostat For Heat Only

As a standalone Alexa-powered smart speaker, it also has an air quality monitor, an air quality sensor, and a remote room sensor. Easily earning our Editors’ Choice award for smart thermostats, this thermostat packs a lot of features.


  • Supports Alexa, Google Assistant, HomeKit, IFTTT, and SmartThings
  • Doubles as a home security device and smart speaker
  • Monitors air quality
  • Dual-band Wi-Fi
  • Beautiful design


  • Pricey
  • Some features require a subscription

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3. Honeywell Home T9 Thermostat

The Honeywell Home T9 Thermostat boasts a responsive touchscreen and geofencing technology. Its wireless Smart Room Sensors provide balanced comfort by considering temperature conditions across different areas. This thermostat also offers energy-saving insights to help you make informed decisions.

Using this kind of feature was the first feature offered by a consumer-based smart thermostat, Ecobee. Since its sensors are capable of both measuring temperature and detecting presence, the thermostat’s settings follow you around automatically. The Nest thermostat now comes with a remote sensor option, but its sensors are very limited compared to Ecobee’s; they can only detect temperature, not presence.

Best Smart Thermostat For Heat Only

A single remote sensor is included with the $199 T9, which can support up to 20 compared to 32 for Ecobee and 18 for Nest. Ecobee and Nest are the only thermostats that can measure humidity, while the T9 sensors can measure both temperature and presence in a room.


  • Bright, easy-to-read touchscreen
  • The remote sensor comes in the box
  • The sensor uses AAA batteries and can detect temperature, humidity, and presence
  • Supports a wide variety of voice assistants and smart home platforms


  • Doesn’t include a wall plate for installation
  • Cannot mix geofenced control with the time block schedule
  • Remote sensors must be mounted to a wall
  • Cannot set home and away status based on motion sensors

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Buying Guide: Key Features to Consider

When selecting the best smart thermostat for your heat-only system, several features should influence your decision:

  1. Compatibility: Ensure the thermostat is compatible with your heat-only system, whether it’s a single-stage or multi-stage system.
  2. Learning Capabilities: Opt for a thermostat that learns your preferences and creates a customized heating schedule.
  3. Remote Access: The ability to control your thermostat remotely through a smartphone app is crucial for convenience and energy savings.
  4. Smart Home Integration: If you’re building a smart home ecosystem, choose a thermostat that seamlessly integrates with platforms like Alexa, Google Assistant, or Apple HomeKit.

Installation and Setup

Installing a smart thermostat might seem daunting, but many manufacturers provide clear instructions and even video tutorials. If you’re not comfortable with DIY installation, consider hiring a professional to ensure proper setup.

Calibrating Temperature Sensors

To ensure accurate temperature readings, it’s essential to calibrate your thermostat’s sensors. Place the thermostat away from direct sunlight, drafts, and heat sources to prevent false readings.

Maintenance and Troubleshooting

Regular maintenance ensures your smart thermostat functions optimally. Keep the thermostat clean, update its firmware, and replace batteries if necessary. If you encounter any issues, consult the manufacturer’s troubleshooting guide or contact customer support.


Investing in the best smart thermostat for heat only system can significantly enhance your home’s comfort and energy efficiency. With options like the Nest Learning Thermostat, Ecobee smart thermostat, and Honeywell Home T9 Thermostat, you have the power to customize your heating experience while reducing utility costs.

Remember to consider compatibility, learning capabilities, remote access, and integration with your smart home ecosystem before making your decision. With the right choice, you’ll enjoy a cozy, energy-efficient home all year round.

FAQs: Best Smart Thermostat for Heat Only

What is a smart thermostat for heat only, and why should I consider one?

A smart thermostat for heat only is a device that allows you to control the heating system in your home efficiently and remotely. It offers features such as remote temperature adjustments, scheduling, and energy-saving settings. Choosing one can help you optimize your heating system’s performance and reduce energy consumption.

What features should I look for in the best smart thermostat for heat only?

Look for features like remote control via smartphone apps, compatibility with your heating system, programmable scheduling, energy usage insights, voice control compatibility (e.g., with Amazon Alexa or Google Assistant), and compatibility with smart home ecosystems.

Which brands are known for offering the best smart thermostats for heat-only systems?

Some well-regarded brands for smart thermostats include Nest, Honeywell, ecobee, and Emerson Sensi. These brands offer a range of options that cater to different needs and preferences.

Can I install a smart thermostat for heat only by myself?

Installation processes vary by brand and model. Some smart thermostats offer DIY installation, while others might require professional installation, especially if your heating system has complex wiring. Always refer to the manufacturer’s installation instructions and guidelines for accurate installation.

Are smart thermostats compatible with all types of heat-only systems?

Not all smart thermostats are compatible with all types of heat-only systems. It’s essential to check the compatibility of the thermostat with your specific heating system (e.g., forced air, radiant, baseboard, etc.) before purchasing.

Do smart thermostats for heat only come with warranty coverage?

Yes, most reputable smart thermostat manufacturers offer warranty coverage for their products. Warranty periods and terms can vary, so be sure to review the warranty information provided by the manufacturer before making a purchase.

How do I set up a schedule with a smart thermostat for heat only?

Setting up a schedule typically involves using the thermostat’s app or interface to input your desired temperature settings for different times of the day. You can customize the schedule based on your daily routine and preferences, helping you save energy when heating is not needed.

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