best thermostat that saves energy and money

Most thermostats claim to save energy, but I’ve found that the Amazon Smart Thermostat with Alexa & Ring Compatibility truly stands out after hands-on testing. Unlike models that struggle with hot or cold spots, it supports temperature sensors and adjusts automatically, saving you money. The setup is straightforward, and the real magic is in how it uses Alexa to switch between home, away, and sleep modes seamlessly. I tested it in different rooms, and the sensors made a noticeable difference in comfort and energy efficiency.

What I love most is its ability to be controlled from anywhere via the Alexa app, and the potential rebates add extra savings. Compared to, say, the ecobee or Honeywell models, this one offers reliable Honeywell technology, smart integrations, and a friendly user experience—all at a more affordable price point. After thorough testing, I can confidently recommend it for anyone wanting a simple, effective way to cut energy bills without sacrificing comfort.

Top Recommendation: Amazon Smart Thermostat with Alexa & Ring Compatibility

Why We Recommend It: This model excels because it combines ENERGY STAR certification with temperature sensors that target hot/cold spots, unlike basic or less sensor-equipped options. It supports automatic, voice, and remote control, making it flexible. Compared to the ecobee, it’s more affordable while still offering rebates and Alexa compatibility. Honeywell’s thermostat is more customizable but pricier and less integrated with voice assistants. The Amazon Thermostat offers the best balance of features, value, and proven performance after testing.

Best thermostat that saves energy and money: Our Top 5 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewAmazon Smart Thermostat with Alexa & Ring Compatibilityecobee Smart Thermostat Essential - Energy Star CertifiedLike-New Amazon Smart Thermostat – ENERGY STAR certified,
TitleAmazon Smart Thermostat with Alexa & Ring Compatibilityecobee Smart Thermostat Essential – Energy Star CertifiedLike-New Amazon Smart Thermostat – ENERGY STAR certified,
CompatibilitySupports temperature sensors via Echo devices and Amazon Smart Air Quality MonitorN/ASupports temperature sensors via Echo devices and Amazon Smart Air Quality Monitor
Energy Star Certification
Rebate AssistanceN/A
Automatic Control
On-the-go Control
Refurbished Status
Customer SupportAlexa app guidance and customer service availableAlexa app guidance and customer service available
Price79.99 USD129.99 USD69.99 USD
Available

Amazon Smart Thermostat with Alexa & Ring Compatibility

Amazon Smart Thermostat with Alexa & Ring Compatibility
Pros:
  • Easy installation and setup
  • Supports multiple sensors
  • Energy-saving features
Cons:
  • Limited customization options
  • Basic display interface
Specification:
Connectivity Wi-Fi (2.4 GHz and 5 GHz dual-band support)
Compatibility Supports Alexa-enabled devices and Ring ecosystem
Energy Star Certification Yes
Control Options Voice control via Alexa and remote control via Alexa app
Sensor Support Compatible with Echo devices and Amazon Smart Air Quality Monitor for temperature sensing
Rebate Eligibility Eligible for energy provider rebates (varies by area)

Opening the box reveals a sleek, modern thermostat with a smooth touchscreen that feels surprisingly premium for its price. I immediately appreciated how lightweight it was, yet sturdy enough to feel solid in my hand.

Installation was straightforward thanks to the guided steps in the Alexa app. I liked how the setup walks you through wiring and connects seamlessly to my Wi-Fi, making me feel confident right from the start.

Once mounted, the thermostat’s display is bright and easy to read, even from across the room. I tested the voice control, and Alexa responded quickly, adjusting the temperature without any lag.

The ability to use compatible Echo devices as temperature sensors is a game changer. I placed one in a different room, and it helped address hot and cold spots, making my home more comfortable.

What really stands out is the automatic switching feature. Whether I’m home, away, or sleeping, Alexa adjusts the temperature based on my preferences, saving energy without me thinking about it.

The app control is another highlight. I can change the temperature remotely, which is perfect for those days I forget to turn down the heat before leaving.

Supporting Ring and Alexa compatibility adds to its versatility, and I appreciate the energy-saving tips linked via email, including rebate info that could save me money.

Overall, this thermostat is a smart upgrade that combines simplicity, efficiency, and convenience—just what I needed to make my home more energy-conscious effortlessly.

ecobee Smart Thermostat Essential – Energy Star Certified

ecobee Smart Thermostat Essential - Energy Star Certified
Pros:
  • Easy to install and use
  • Energy-efficient automation
  • Sleek modern design
Cons:
  • Limited advanced features
  • Small display for some users
Specification:
Energy Star Certification Yes
Connectivity Wi-Fi enabled
Compatibility Works with Alexa, Google Assistant, Apple HomeKit
Display Touchscreen interface
Power Source C-wire or optional Power Extender Kit
Price $129.99 USD

Right out of the box, the ecobee Smart Thermostat Essential feels surprisingly sleek in your hand. Its matte black finish and rounded edges give it a modern vibe, and I couldn’t help but notice how lightweight it is—almost feather-like compared to older bulky models.

Once mounted on the wall, the 3.5-inch touchscreen immediately catches your eye. The display is bright, clear, and responsive, making it easy to navigate even in low light.

I appreciated how simple it was to connect to Wi-Fi and sync with my phone using the app—it took just a few minutes.

The setup process was straightforward, and the energy-saving features became apparent quickly. It intelligently adjusts your home’s temperature based on your schedule and preferences, which helps cut down on unnecessary heating or cooling.

During testing, I noticed how the thermostat learns your routines over time, leading to more efficient energy use. The built-in sensors detect occupancy, which means it can even turn off the heat or AC when no one’s around—great for saving money.

One standout feature is the compatibility with voice assistants. I easily integrated it with Alexa and Google Assistant, so I could change the temperature with a simple voice command—super handy when your hands are full.

Overall, this thermostat feels well-designed, easy to use, and genuinely effective at saving energy. Its sleek look and smart features make it a real upgrade from basic models, especially if you want to cut costs and stay comfortable.

Like-New Amazon Smart Thermostat – ENERGY STAR certified,

Like-New Amazon Smart Thermostat – ENERGY STAR certified,
Pros:
  • Easy installation process
  • Energy-saving automation
  • On-the-go control
Cons:
  • Generic packaging
  • Limited advanced settings
Specification:
Connectivity Wi-Fi (2.4 GHz and 5 GHz bands)
Compatibility Supports Alexa voice control and compatible Echo devices
Display Digital touchscreen interface (exact size not specified)
Power Source Hardwired with common HVAC wiring (C-wire) recommended
Energy Star Certification Yes, ENERGY STAR certified for energy savings
Sensor Support Supports external temperature sensors via compatible Echo devices and Amazon Smart Air Quality Monitor

Sliding the packaging aside, I immediately noticed how sleek and compact the Like-New Amazon Smart Thermostat feels in your hand. Its smooth, matte surface is cool to the touch, and the minimalist display is bright but unobtrusive.

It’s surprisingly lightweight—almost feels like holding a small, modern art piece rather than a tech device.

Once installed, the setup was straightforward. The Alexa app guided me clearly through each step, and I appreciated how quickly I was up and running.

The thermostat’s touch interface is responsive, and the display adjusts brightness automatically, so it’s never blinding at night.

Using the thermostat feels seamless. I love the automatic programming—Alexa adjusts the temperature based on my routines, saving energy without me having to think about it.

On busy days, I can change the temperature from anywhere using the app—perfect when I’m commuting or on vacation.

The device’s compatibility with Echo devices makes it even more flexible. I used my Echo Dot to ask Alexa to tweak the temperature, and it responded instantly.

The integration with energy rebate info and EPA savings estimates really helps me feel good about the purchase, knowing I’m saving money long-term.

Overall, this thermostat feels like a smart upgrade that’s both efficient and reliable. The build quality and user-friendly features make it a standout choice for anyone looking to cut energy costs without sacrificing comfort.

Honeywell Home Wi-Fi Touch Screen Thermostat RTH9600WF

Honeywell Home Wi-Fi Touch Screen Thermostat RTH9600WF
Pros:
  • Customizable high-def display
  • Remote control via app
  • Tracks energy use and savings
Cons:
  • Requires C-wire installation
  • Not compatible with electric baseboard heat
Specification:
Display High-definition color touchscreen with customizable background
Connectivity Wi-Fi (802.11 b/g/n), compatible with Amazon Alexa, Google Assistant, Microsoft Cortana
Power Supply Requires C-wire or C-wire power adapter
Compatibility Works with forced air (gas, oil, electric), hot water, steam, and heat pumps with electric backup; not compatible with electric baseboard heat (120-240V)
Sensor Features Indoor temperature and humidity display, outdoor temperature, and weather forecast on screen
Fan Control Options On (always on), Automatic (system-controlled), Circulate (random 35%)

Right out of the box, the Honeywell Home Wi-Fi Touch Screen Thermostat catches your eye with its sleek, high-definition color display that you can customize to your favorite hue. I immediately appreciated how intuitive it was to set up, thanks to clear instructions and a straightforward app that guided me through connecting it to my Wi-Fi network.

The touch screen feels responsive and smooth, making adjustments feel effortless. I loved seeing the real-time indoor and outdoor temperatures right on the home screen—no more digging through menus.

The weather forecast feature is a small touch that really helps plan your day and energy use.

During extended testing, I noticed how the thermostat tracked my heating and cooling patterns, offering personalized tips to save energy. The ability to control it remotely via the app means I can tweak the temperature from anywhere—whether I’m at work or on vacation.

Plus, the compatibility with Amazon Alexa and Google Assistant makes voice control a breeze.

It’s clear this thermostat is designed with energy savings in mind. The ENERGY STAR certification reassures you that it’s efficient, and enrolling in utility demand response programs can earn you rewards.

However, you’ll need a C-wire, which could be a sticking point for some homes. Also, it doesn’t work with electric baseboard heat, limiting its versatility a bit.

Overall, this thermostat combines smart features with energy-saving capabilities, making it a solid upgrade for anyone wanting control and efficiency in one package.

Non-Programmable Digital Thermostat for Single-Stage Systems

Non-Programmable Digital Thermostat for Single-Stage Systems
Pros:
  • Easy to install
  • Accurate temperature control
  • Energy-saving features
Cons:
  • Limited to single-stage systems
  • Can only handle 2-5 wires
Specification:
Temperature Control Range 44°F to 90°F
Room Temperature Display Range 41°F to 95°F
Temperature Accuracy +/- 1°F
Power Supply 24VAC or 2 AA batteries (no C-wire required for most systems)
Wiring Compatibility Supports 2 to 5 wires; not compatible with 6 to 8 wires
System Compatibility Single-Stage Heating & Cooling systems, Gas/Oil/Electric Furnace, Boiler Radiant, Furnace Forced-Air, Gas Fireplace (24V), Cooling Only

The moment I held this thermostat in my hand, I immediately appreciated its sturdy feel and straightforward design. The large backlight LCD display is crisp and easy to read even from across the room, which is a nice touch after a long day.

Installing it took me less than 30 minutes—thanks to the clear wiring instructions and user-friendly terminal blocks.

I especially liked how simple it was to set the temperature—just a few taps and I was good to go. The separate heating and cooling swing adjustments really stand out, letting me fine-tune the cycle rate to match my comfort preferences.

I noticed a real difference in how evenly the temperature was maintained, which helped cut down on energy waste.

The dual power supply options are convenient, especially since I don’t have a C-wire in my setup. The thermostat runs smoothly on 24VAC or batteries, so I didn’t have to rewire anything.

Plus, the accuracy of +/-1 degree Fahrenheit keeps my home comfortable without constant fiddling.

One thing to keep in mind—it’s designed for single-stage systems only. If you have a multi-stage heat pump or radiant ceiling heat, this won’t be compatible.

Also, the base can only handle 2 to 5 wires, so check your wiring first before buying.

Overall, it’s a reliable, energy-saving thermostat that’s perfect for straightforward setups. It’s a great upgrade for anyone wanting simple control without the hassle or extra features that aren’t needed.

What Is an Energy-Saving Thermostat and How Does It Work?

An energy-saving thermostat is a device that automatically adjusts the temperature in a home or building to optimize energy use. It enhances comfort while reducing energy consumption and costs by learning users’ schedules and preferences.

According to the U.S. Department of Energy, energy-saving thermostats or “smart thermostats” can increase comfort and reduce energy bills by up to 10-15%. These devices utilize algorithms to schedule heating and cooling patterns efficiently.

Energy-saving thermostats work by learning user behavior, allowing automatic adjustments based on occupancy and time of day. They connect to Wi-Fi, enabling remote access and modifications via smartphones. Many models provide energy usage reports, promoting more informed consumption habits.

The Environmental Protection Agency (EPA) also describes energy-saving thermostats as tools to minimize heating and cooling costs by matching climate control to actual needs. This functionality can significantly lower greenhouse gas emissions.

Several factors contribute to energy waste in homes, such as outdated heating systems, insufficient insulation, and user inexperience in temperature management. These issues can cause energy bills to rise and contribute to environmental challenges.

The Smart Energy Consumer Collaborative notes that approximately 20% of household energy use can be attributed to heating and cooling. Installing an energy-saving thermostat can lead to savings of up to $180 annually for the average household.

Energy-saving thermostats positively impact the environment by lowering energy demand and, consequently, reducing carbon emissions. They offer economic benefits through decreased utility bills.

The use of smart thermostats has been shown to lead to reduced energy consumption and increased efficiency in HVAC systems, enhancing residential sustainability.

Experts recommend replacing old thermostats with programmable or smart models to maximize savings. The American Council for an Energy-Efficient Economy suggests thorough energy audits to identify additional areas of improvement.

Strategies to mitigate energy waste include integrating smart home technology, employing better insulation, and using energy-efficient appliances alongside reliable thermostat systems. These methods bolster energy savings while maintaining comfort.

How Can a Smart Thermostat Help You Save Money?

A smart thermostat can help you save money by optimizing energy use, reducing heating and cooling costs, and allowing for remote access to temperature settings.

Smart thermostats adjust the temperature automatically based on your schedule and preferences. They use sensors to learn your behavior over time. These adjustments ensure that energy is not wasted when you are not home. According to a study published by the American Council for an Energy-Efficient Economy (ACEEE) in 2015, smart thermostats can save homeowners up to 10-15% on heating and cooling bills.

  1. Energy Optimization: Smart thermostats analyze usage patterns and adjust settings accordingly. For example, if you typically leave for work at 8 AM and return at 6 PM, the thermostat can lower heating or cooling during your absence and turn it back on before you return.

  2. Geofencing Capabilities: Many smart thermostats use geofencing technology. They can detect when you leave home or come back based on your mobile device’s location. This enables them to adjust temperatures automatically, reducing unnecessary energy use. Reports indicate that this feature can contribute to an additional 5-10% savings.

  3. Energy Usage Reports: Smart thermostats provide detailed reports on energy consumption. This information helps you understand heating and cooling habits. By identifying patterns, you can make informed decisions about further optimizing your energy use.

  4. Remote Control: With a smart thermostat, you can control your heating and cooling systems remotely through a smartphone app. If you forgot to adjust the thermostat before leaving home, you can make adjustments from anywhere, preventing energy waste.

  5. Integration with Other Smart Devices: Many smart thermostats integrate with other smart home systems. For instance, they can sync with smart lights and appliances to save energy. When you leave home, the thermostat can signal these devices to turn off.

  6. Eco-friendly Settings: Many smart thermostats include eco-modes that prioritize energy efficiency. These settings adjust the temperature slightly to save energy without sacrificing comfort, leading to further cost savings.

In summary, smart thermostats enhance energy efficiency and provide financial savings by adapting temperature settings to your habits, enabling remote adjustments, and offering insights into your energy usage.

What Key Features Should You Look for in a Cost-Efficient Thermostat?

Key features to look for in a cost-efficient thermostat include programmable scheduling, remote access, energy usage reports, compatibility, and smart home integration.

  1. Programmable Scheduling
  2. Remote Access
  3. Energy Usage Reports
  4. Compatibility with HVAC Systems
  5. Smart Home Integration

Considering these key features can enhance your energy savings and overall user experience.

  1. Programmable Scheduling:
    Programmable scheduling allows users to set specific temperature preferences for different times of the day and days of the week. This feature contributes to energy savings by automatically adjusting the temperature based on when the home is occupied. According to the U.S. Department of Energy, this can lead to savings of up to 10% per year on heating and cooling costs.

  2. Remote Access:
    Remote access enables users to control their thermostats from anywhere using a smartphone or tablet. This feature helps users adjust temperatures when away from home, ensuring energy is not wasted. A 2019 study published in the journal Energy Efficiency noted that households with remote control capabilities could reduce energy usage by 5 to 15%.

  3. Energy Usage Reports:
    Energy usage reports provide insights into a household’s heating and cooling habits. These reports can identify patterns and suggest ways to improve energy efficiency. The Energy Information Administration states that understanding energy usage can lead to better decision-making and a potential reduction in costs by 10% to 20%.

  4. Compatibility with HVAC Systems:
    Compatibility ensures the thermostat can work with different heating and cooling systems. This includes central air conditioners, furnaces, and heat pumps. A thermostat that is not compatible with your home’s HVAC system will not function correctly, leading to inefficiencies and potential damage.

  5. Smart Home Integration:
    Smart home integration allows thermostats to connect with other devices in a home, such as smart speakers or lighting systems. This feature can enhance convenience and efficiency, enabling the thermostat to adapt based on the environment. According to a report from Deloitte, homes equipped with smart technology can save an average of 20% on energy bills.

Which Brands Offer the Most Effective Energy-Saving Thermostats?

The brands that offer the most effective energy-saving thermostats include Ecobee, Nest, Honeywell, Emerson, and Lux.

  1. Ecobee
  2. Nest
  3. Honeywell
  4. Emerson
  5. Lux

When evaluating energy-saving thermostats, it is essential to consider various features, functionalities, and customer opinions regarding the effectiveness of these brands.

  1. Ecobee:
    Ecobee’s energy-saving thermostat incorporates advanced features such as room sensors, which detect temperature variations in different areas of the home. This helps optimize heating and cooling based on actual occupancy. According to a 2021 study by the U.S. Department of Energy, homes using Ecobee thermostats achieved an average energy savings of around 23% annually compared to traditional thermostats. Ecobee’s user-friendly app allows homeowners to manage their thermostat remotely, enhancing its energy efficiency.

  2. Nest:
    Nest thermostats are known for their learning capabilities. They can adapt to user preferences and create a schedule that minimizes energy use. The Nest Learning Thermostat can reduce energy consumption by an average of 15%, according to Google statistics from 2020. Their integration with Google Home and compatibility with various smart home systems enhances usability. The Nest app provides insights into energy usage, which enables homeowners to make informed decisions.

  3. Honeywell:
    Honeywell offers multiple models of energy-saving thermostats that cater to various needs. Honeywell’s Home T9 smart thermostat uses smart sensors to prioritize temperature control in occupied rooms. Users can save about 10-15% on heating and cooling bills, as reported by the company. Additionally, the Honeywell Home app offers a simple interface for remote control and energy reports, allowing users to optimize their energy-saving strategies effectively.

  4. Emerson:
    Emerson’s Sensi smart thermostat focuses on affordability and reliability. Its features include geofencing, which adjusts temperature settings based on the homeowner’s location. Emerson claims that their thermostats can save users around 23% on their HVAC energy costs. The Sensi smart app provides detailed usage reports and allows users to set schedules, enhancing energy efficiency awareness.

  5. Lux:
    Lux offers a balance of traditional and smart thermostats designed for simple energy savings. Their products enable users to take advantage of energy-saving schedules and reminders. Lux thermostats can save users an estimated 10-15% on energy bills by simply programming a heating and cooling routine. While they may lack some advanced features found in other brands, their straightforward design appeals to users seeking a budget-friendly option.

What Are the Benefits of Installing a Programmable Thermostat?

The benefits of installing a programmable thermostat include energy savings, increased comfort, convenience, and environmental impact.

  1. Energy savings
  2. Increased comfort
  3. Convenience
  4. Environmental impact

Installing a programmable thermostat leads to energy savings. Energy savings result from automatically adjusting the heating and cooling settings. Many homes can achieve a 10-15% reduction in energy usage annually by programming the thermostat to lower or raise temperatures during non-occupancy times (Environmental Protection Agency, 2021).

Increased comfort is another benefit of installing a programmable thermostat. Increased comfort comes from setting customized temperatures for various times of day. For example, homeowners can program warmer settings in the morning when they wake up and cooler settings at night for better sleep. A study by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) highlights that customized temperature settings can significantly improve overall comfort and satisfaction in a home environment.

Convenience is a prominent feature of programmable thermostats. Convenience allows users to set and forget temperature preferences. Many models come with smartphone apps, enabling remote access and control. This means users can adjust their home’s temperature before returning from work or vacation, ensuring a comfortable environment upon arrival.

The environmental impact of installing a programmable thermostat also deserves attention. A decrease in energy consumption directly leads to lower carbon emissions. By using less energy, homes can reduce their overall environmental footprint. The U.S. Department of Energy reports that effective use of programmable thermostats can help individual households contribute to national energy conservation efforts, ultimately supporting global climate change mitigation strategies.

These benefits illustrate how the installation of a programmable thermostat positively affects both individual households and the broader environment.

How Can You Maximize Savings with Your Thermostat?

You can maximize savings with your thermostat by adjusting the temperature settings, using programmable features, and maintaining regular maintenance.

  • Adjust temperature settings: Set your thermostat to a higher temperature in summer and a lower temperature in winter. The U.S. Department of Energy suggests adjusting your thermostat by 7 to 10 degrees Fahrenheit for eight hours a day can save you up to 10% a year on heating and cooling costs.

  • Use programmable features: A programmable thermostat can automatically adjust the temperature based on your schedule. For instance, you can set it to lower the temperature when you are not home. According to Energy Star, using a programmable thermostat can save you about $180 each year in energy costs.

  • Regular maintenance: Maintain your thermostat and HVAC systems regularly. Change air filters every one to two months to ensure optimal performance. A well-maintained system runs more efficiently, reducing energy consumption. The American Society of Heating, Refrigerating and Air-Conditioning Engineers recommends annual professional tune-ups for heating and cooling systems.

Implementing these strategies can lead to significant savings on energy bills while also enhancing comfort and efficiency in your home.

What Are Real User Experiences with Energy-Saving Thermostats?

Real user experiences with energy-saving thermostats are generally positive, highlighting energy reduction and convenience, but users also report challenges, such as installation issues and compatibility with older heating systems.

  1. Energy Savings
  2. Convenience Features
  3. Installation and Setup
  4. Compatibility Issues
  5. User Interface and Experience
  6. Price and Value
  7. Customer Support

The following details explain each point and their implications for users.

  1. Energy Savings: Real user experiences show that energy-saving thermostats can reduce heating and cooling costs significantly. According to a report by the Environmental Protection Agency, users can save up to 10%-15% on annual energy bills through smart thermostat usage. Many users appreciate these savings, noting a noticeable decrease in energy consumption.

  2. Convenience Features: Users often highlight features such as remote access and scheduling capabilities. These functions allow users to adjust their home’s temperature from anywhere using a smartphone app. A survey by Consumer Reports found that 75% of users found these features beneficial for managing their energy use efficiently.

  3. Installation and Setup: Installation experiences vary. Some users find the process straightforward, while others face challenges. A study by TechHive indicated that 30% of users required professional assistance, impacting their initial satisfaction. Clear guidance or video tutorials can enhance the experience.

  4. Compatibility Issues: Many users report concerns regarding compatibility with existing heating and cooling systems. According to a survey by CNET, about 20% of users encountered compatibility issues that hindered the thermostat’s effectiveness. Users with older systems may face more challenges than those with modern setups.

  5. User Interface and Experience: User feedback often emphasizes the importance of an intuitive interface. Users who operate devices without a steep learning curve tend to rate their experiences more favorably. A study by J.D. Power found that user-friendly interfaces correlate with higher overall satisfaction levels.

  6. Price and Value: The cost of energy-saving thermostats varies widely. Users generally perceive them as a worthwhile investment if they lead to significant long-term savings. The energy savings often justify the initial cost, but some users feel that cheaper models may lack essential features.

  7. Customer Support: Customer support experiences differ significantly. Some users report prompt and helpful assistance, while others experience difficulties. A survey by the Better Business Bureau indicated that 40% of users seeking support faced delays, which can diminish overall satisfaction and impact user retention.

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