Is it worth installing a smart thermostat?

Author: Linda Gleason  |  Last update: Friday, September 26, 2025

Installing a smart thermostat is one of the best ways to save energy and money in your residence. Not only can you set it to adjust temperature settings based on certain activities or schedules, but many models also use motion sensors to detect when no one is home and automatically lower the temperature.

Is a smart thermostat really worth it?

As you come and go, the thermostat adjusts the temperature to keep you comfortable when you're home without wasting energy when you're away. Energy savings: A smart thermostat can save you a modest amount of money on your electric bills. According to ENERGY STAR, the average savings are about 8 percent, or $50 a year.

What are the negatives of smart thermostats?

Cons:
  • More expensive than manual and programmable thermostats.
  • Not every smart Wi-Fi thermostat works with every heating and cooling system.
  • You have to feel comfortable using tech to get the most out of these thermostats.

Do I need an electrician to install a smart thermostat?

Yes, many smart thermostats are designed for DIY installation, and manufacturers typically provide step-by-step guides and videos.

Can I replace my old thermostat with a smart thermostat?

Yeah, you can install a smart thermostat. Just to be aware, you don't have a 'c' wire, but many thermostats can work around that (nest can, ecobee has an adapter).

All About Smart Thermostats | Ask This Old House

Do smart thermostats need special wiring?

Do all Smart Thermostats Require a C-Wire? Though all smart thermostats can use a C-wire and arguably may be more reliable with the use of one, not all smart thermostats require a C-wire to function. Some models, such as Google Nest, are designed to work even if your home doesn't have a C-wire.

Does a smart thermostat increase home value?

Does a Smart Home Increase a Home's Value? Smart home technology can definitely add to market value. Appraisers make what they call “adjustments” when they compare tech-enabled homes with similar but tech-deficient houses. Smart homes command higher prices and may be easier to sell as a result.

How much does it cost for an electrician to install a smart thermostat?

The average cost of installing a smart thermostat is about $200 to $500. Most homeowners spend around $300 for the installation of C wire and a smart thermostat with auto-schedule function and two-year warranty. On the lower end, smart thermostats with only basic features and an existing C wire cost around $170.

What is the best smart thermostat for your home?

The Best Smart Thermostat
  • Top pick. Ecobee Smart Thermostat Premium. The best smart thermostat. ...
  • Runner-up. Google Nest Learning Thermostat (4th Gen) The smartest thermostat. ...
  • Budget pick. Amazon Smart Thermostat. Frugal find. ...
  • Top pick. Mysa Smart Thermostat (v2) Best for baseboards.

Do smart thermostats lower electric bill?

On average, savings are approximately 8% of heating and cooling bills or $50 per year. Savings may be greater depending on climate, personal comfort preferences, occupancy, and/or heating/cooling (HVAC) equipment.

What happens if Wi-Fi goes out with smart thermostat?

In simple terms, your HVAC system continues to run despite the lack of a Wi-Fi connection. How does this work? Most thermostats will maintain the current settings when the internet goes down. However, you might not be able to change or readjust the temperature settings remotely.

What percentage of homes have smart thermostats?

Parks Associates: 16% of U.S. Internet Homes Now Have Smart Thermostats. Adoption of smart thermostats increased to 16 percent by the end of 2022, as 62 percent of U.S. internet households say their electricity costs are too high, according to Parks Associates.

Is ecobee better than Nest?

To decide between the two, it's best to determine what kind of user you'll be. If you're thinking of just setting and forgetting it, then go with a Nest. If you are planning to "geek out" over every feature and datapoint, go with ecobee.

What is the Nest thermostat controversy?

A Nest Thermostat, as demonstrated, may easily be compromised during transport, deployment, or by an attacker having access to it on a non-secure location. As demonstrated above, it can then become a client on a botnet.

Is there a monthly fee for smart thermostat?

Is there a monthly fee to use a smart thermostat? Typically no. None of the thermostats listed in this guide require a monthly fee to use them, and they're all very good options. Don't waste your money on a smart thermostat that requires you to pay a monthly subscription.

What are the disadvantages of a smart thermostat?

Smart Thermostats Can Be Expensive: The cost of a normal digital thermostat can be as low as $30.00 but many smart thermostats can be a bit more expensive. Smart thermostats range anywhere between $100 to $250 or more. This prohibitive cost can be a big barrier to entry for some consumers.

Is ecobee owned by Amazon?

ecobee is a Canadian-founded home automation company that makes smart thermostats, temperature, and occupancy sensors, smart light switches, smart cameras, and contact sensors. They were acquired by the American company Generac Holdings in 2021.

What is better than a Nest thermostat?

At PCMag, we have been reviewing smart thermostats for more than a decade, since the original Nest Learning Thermostat debuted in 2012. Our top pick, the Ecobee Smart Thermostat, not only controls your heating and cooling but also serves as a voice assistant, an air quality monitor, and a home security device.

Can a smart thermostat replace any thermostat?

The answer is yes; a smart thermostat can replace a regular one. However, the installation becomes more complex in certain situations. For example, newer homes have a C-wire (common wire) in them, while many older ones don't. Most smart thermostats require a C-wire.

Can I install a smart thermostat myself?

If you can follow an instruction manual and are handy with a screwdriver, wire, and wire nuts, it's likely you can install a thermostat yourself. But some folks don't like to mess around with wires or electricity (and we don't blame you).

How much should I pay to install a thermostat?

The cost to install a thermostat is $182 on average, but you could pay between $113 and $264.

How long does it take to install a smart thermostat?

Most homeowners can easily install a Google Nest thermostat on their own in just 20-30 minutes by following the Nest app's step-by-step instructions.

Do smart thermostats use more electricity?

Otersen said smart thermostats can cut heating and cooling bills by an average of 20% annually. That savings comes from the unit running the heat or air conditioning only when it's needed (based on those learned behaviors), and from users being able to change temperatures when they're not home.

What is the life expectancy of a home thermostat?

On average, most thermostats last about 10 years, depending on the model, usage, and proper maintenance. However, many people decide to replace their unit sooner to take advantage of new energy-saving technologies.

Why would I want a smart thermostat?

Energy Savings (and Lower Bills!)

Smart thermostats can learn your routine and can automatically adjust settings to match when your home, away, or asleep. You can also set schedules manually, so the system can scale back when the house is empty, during the day or night.

Previous article
What is the disadvantage of a front load washing machine?
Next article
Do you turn off the water to heater when draining?