Finding a smart thermostat that also manages humidity levels can significantly improve home comfort and air quality. The AprilAire 8920W stands out as the best overall choice, thanks to its advanced IAQ features and user-friendly touchscreen. For those prioritizing energy efficiency, the Sensi Smart Thermostat offers excellent connectivity and DIY installation. If seamless humidity regulation is your main goal, the Honeywell 3000 Sq. Ft. Dehumidifier provides robust voice control and WiFi features. Each of these options balances performance with tradeoffs like setup complexity, cost, and feature depth. Continue reading for a detailed breakdown to help you find the right fit for your home.
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Key Takeaways
- Top picks excel in balancing humidity control with smart thermostat features, not just basic temperature regulation.
- Integration with voice assistants like Alexa or Google Assistant varies, impacting ease of use for smart home enthusiasts.
- Most high-performing models require C-wire connections for reliable operation, which can be a barrier for some installations.
- Dehumidifiers with WiFi tend to be more robust and easier to control than standalone humidifier attachments, but they usually come at a higher cost.
- The best value options often combine solid humidity management with straightforward installation, but may lack some advanced IAQ features found in premium models.
| AprilAire 8920W Wi-Fi Programmable Color Touchscreen Thermostat with IAQ Control | ![]() | Best Overall for Complete IAQ and Control | Compatibility: Amazon Alexa and Google Assistant | Control: Wi-Fi remote monitoring and control | Display: Color touchscreen | VIEW ON AMAZON | See Our Full Breakdown |
| AprilAire S86WMUPR Wi-Fi Programmable Thermostat with IAQ Control | ![]() | Best for Multi-Stage HVAC and IAQ Management | Compatibility: Multi-Stage HVAC systems | Wi-Fi: Yes | Stages: 2H/2C or 4H/2C | VIEW ON AMAZON | See Our Full Breakdown |
| Sensi Smart Thermostat, Wi-Fi, DIY, Alexa, Energy Star Certified, ST55 | ![]() | Best for DIY Enthusiasts and Energy Savings | Connectivity: Wi-Fi | Compatibility: Most HVAC systems | Energy Savings: Approximately 23% | VIEW ON AMAZON | See Our Full Breakdown |
| Honeywell Home RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready | ![]() | Best for Customizable Smart Features and Compatibility | Display: High-definition color touchscreen | Connectivity: Wi-Fi | Compatible Platforms: Alexa, Google Assistant, Cortana | VIEW ON AMAZON | See Our Full Breakdown |
| Honeywell 3000 Sq. Ft. Energy Star Smart Dehumidifier with WiFi and Voice Control | ![]() | Best for Large Space Moisture Control | Moisture Removal Capacity: 32 Pint | Coverage Area: 3000 sq. ft. | Connectivity: WiFi, Alexa, Google Home | VIEW ON AMAZON | See Our Full Breakdown |
| Honeywell Home T5 Smart Wi-Fi Thermostat | ![]() | Best Overall for Flexibility and Energy Efficiency | Scheduling: 7-day flexible scheduling | Control: Wi-Fi enabled, smartphone/tablet control | Compatibility: Most heat/cool systems with C-wire | VIEW ON AMAZON | See Our Full Breakdown |
| Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Required | ![]() | Best for Customization and Voice Control | Display: Color touchscreen | Programmable Days: 7 Day | Connectivity: Wi-Fi | VIEW ON AMAZON | See Our Full Breakdown |
| smart thermostat with humidifier dehumidifier control | Compatibility | Display | Connectivity |
|---|---|---|---|
| AprilAire 8920W Wi-Fi Programm | Amazon Alexa and Google Assistant | Color touchscreen | — |
| AprilAire S86WMUPR Wi-Fi Progr | Multi-Stage HVAC systems | — | — |
| Sensi Smart Thermostat | Most HVAC systems | — | Wi-Fi |
| Honeywell Home RTH9600WF Smart | — | High-definition color touchscreen | Wi-Fi |
| Honeywell 3000 Sq. Ft. Energy | — | — | WiFi, Alexa, Google Home |
| Honeywell Home T5 Smart Wi-Fi | Most heat/cool systems with C-wire | Simple digital interface | — |
| Honeywell Home RTH9585WF Wi-Fi | Forced air, hot water, steam, heat pumps with electric backup | Color touchscreen | Wi-Fi |
More Details on Our Top Picks
AprilAire 8920W Wi-Fi Programmable Color Touchscreen Thermostat with IAQ Control
The AprilAire 8920W stands out for integrating full IAQ management with a user-friendly color touchscreen. Compared to the Honeywell RTH9600WF, it offers more comprehensive ventilation and air quality features, making it ideal for those prioritizing indoor air health. Its Wi-Fi connectivity enables remote control, but the requirement for only 3 wires might limit compatibility with some existing systems. While its installation details aren’t fully clarified, it excels in providing an all-in-one solution, blending temperature, humidity, and air quality management seamlessly. This pick makes the most sense for homeowners seeking an accessible yet advanced IAQ-focused thermostat with humidifier/dehumidifier integration.
Pros:- Full-color touchscreen interface for intuitive control
- Supports IAQ and ventilation, enhancing indoor air quality
- Wi-Fi connectivity for remote access and monitoring
Cons:- Requires only 3 wires, which may not fit all HVAC setups
- Limited installation details may challenge some users
Best for: Homeowners who want comprehensive IAQ control combined with smart temperature management
Not ideal for: Those with older or complex wiring systems that require more than 3 wires or specific compatibility
- Compatibility:Amazon Alexa and Google Assistant
- Control:Wi-Fi remote monitoring and control
- Display:Color touchscreen
- Wiring:Only 3 wires needed
Our verdict“Ideal for users seeking a smart thermostat that seamlessly combines climate control with indoor air quality management.”
AprilAire S86WMUPR Wi-Fi Programmable Thermostat with IAQ Control
The AprilAire S86WMUPR is tailored for homes with complex HVAC systems, supporting multi-stage heating and cooling, which makes it a step up from simpler thermostats like the Sensi ST55. Its easy installation and mobile app control are strong points, but full functionality depends on system compatibility. It includes an outdoor sensor and IAQ features, making it well-suited for users who want precise climate regulation combined with air quality management. The learning curve for advanced features may pose a challenge for some, but it offers a robust solution for those with multi-stage HVAC setups seeking integrated IAQ control.
Pros:- Supports multi-stage heating and cooling for precise control
- Includes outdoor temperature sensor and IAQ features
- Easy to install with intuitive app support
Cons:- Requires compatible HVAC system for full features
- Advanced functions may be complex for beginners
Best for: Homeowners with multi-stage HVAC systems needing detailed climate and IAQ management
Not ideal for: Users with single-stage systems or those seeking a straightforward, plug-and-play solution
- Compatibility:Multi-Stage HVAC systems
- Wi-Fi:Yes
- Stages:2H/2C or 4H/2C
- Includes:Outdoor sensor, wiring labels, manual
Our verdict“Best suited for users with complex HVAC systems wanting detailed control and air quality features.”
Sensi Smart Thermostat, Wi-Fi, DIY, Alexa, Energy Star Certified, ST55
The Sensi ST55 offers a straightforward DIY installation with traditional design, making it accessible for those comfortable with self-installation. Compared to the more advanced AprilAire models, it emphasizes energy efficiency and simplicity, providing approximately 23% savings on HVAC costs. Its compatibility with most HVAC systems and remote control abilities make it appealing, but it requires a common wire in some cases, which can be a hurdle for older setups. While lacking IAQ features, it excels in providing reliable, energy-efficient temperature control for users who prefer ease of use over advanced indoor air quality management.
Pros:- Easy DIY installation with step-by-step app instructions
- Energy savings of around 23% on HVAC operation
- Remote access and detailed usage reports
Cons:- Requires a common wire (c-wire) in some setups
- Limited IAQ or ventilation features
Best for: DIY-savvy homeowners aiming for energy savings and easy installation
Not ideal for: Users seeking integrated IAQ control or advanced multi-stage system support
- Connectivity:Wi-Fi
- Compatibility:Most HVAC systems
- Energy Savings:Approximately 23%
- Installation:DIY, no common wire required in most cases
Our verdict“Great for budget-conscious DIYers focused on simple, energy-efficient climate control without complex IAQ features.”
Honeywell Home RTH9600WF Smart Color Thermostat ENERGY STAR Wi-Fi Programmable Touchscreen Alexa Ready
The Honeywell RTH9600WF combines a high-definition color touchscreen with broad smart home platform compatibility, including Alexa and Google Assistant. It offers flexible programming and remote control, making it suitable for those who want a visually rich interface and extensive smart features. Compared with the AprilAire 8920W, it emphasizes aesthetics and platform integration over IAQ-specific features. It requires a C-wire, and some heating systems like electric baseboards are incompatible, which could limit installation options. This model suits users who desire customization and compatibility with a variety of smart home devices but don’t need integrated IAQ control.
Pros:- High-definition color touchscreen with customizable display
- Supports Alexa, Google Assistant, and Cortana
- Flexible programming and smart alerts
Cons:- Requires C-wire for installation
- Not compatible with electric baseboard heat
Best for: Smart home enthusiasts wanting flexible programming and rich interface options
Not ideal for: Homes with electric baseboard heating or systems without C-wire wiring
- Display:High-definition color touchscreen
- Connectivity:Wi-Fi
- Compatible Platforms:Alexa, Google Assistant, Cortana
- C-Wire Needed:Yes
Our verdict“Best for users prioritizing smart home integration and customizable interfaces over IAQ features.”
Honeywell 3000 Sq. Ft. Energy Star Smart Dehumidifier with WiFi and Voice Control
The Honeywell dehumidifier offers substantial moisture removal for large areas, covering up to 3000 sq. ft., making it a key addition for those seeking to control humidity with smart features. Its WiFi and voice control capabilities, compatible with Alexa and Google Home, allow seamless integration into a smart home ecosystem. Compared with the thermostats, this dehumidifier focuses solely on moisture management but complements a smart climate control setup. Its 32-pint capacity is effective for large spaces, though it reduces capacity from previous models, potentially impacting performance in very humid environments. It’s best suited for users needing large-area humidity control with convenient smart features.
Pros:- WiFi, Alexa, and Google Home voice control
- Energy-efficient and ENERGY STAR certified
- Easy maintenance with detachable tank and continuous drain options
Cons:- Reduced moisture removal capacity from previous models
- Focus solely on humidity, not temperature control
Best for: Homeowners needing large-scale humidity management with smart voice control
Not ideal for: Those seeking combined temperature and humidity control in a single device or smaller spaces
- Moisture Removal Capacity:32 Pint
- Coverage Area:3000 sq. ft.
- Connectivity:WiFi, Alexa, Google Home
- Additional Features:Digital humidistat, continuous drain
Our verdict“Perfect for large spaces requiring effective, smart humidity control integrated into a smart home setup.”
Honeywell Home T5 Smart Wi-Fi Thermostat
The Honeywell Home T5 stands out for its flexible scheduling and geofence technology, making it particularly convenient for busy households that want to optimize comfort without constant manual adjustments. Compared to the Honeywell RTH9585WF, it offers similar remote control capabilities but emphasizes energy savings with detailed reports and tips, which can help reduce utility bills over time. However, its reliance on a C-wire means it’s less suited for older systems without one, unlike some models that might offer more universal compatibility. The T5’s ENERGY STAR certification indicates a focus on efficiency, but this comes at the expense of requiring a compatible wiring setup. This pick is ideal for homeowners with modern wiring who prioritize energy management and remote control, but it’s not a good fit for systems without a C-wire or those seeking a more advanced touchscreen interface.
Pros:- Flexible 7-day scheduling for customized comfort
- Geofence technology automates adjustments based on location
- Energy reports and tips help reduce bills
- Energy Star certified for efficiency
Cons:- Requires a C-wire power adapter, complicating installation in some homes
- Limited compatibility with heating-only oil furnace systems
Best for: Homeowners with C-wire-equipped systems seeking flexible scheduling and energy savings.
Not ideal for: Renters or older homes without a C-wire; those needing a system compatible with oil furnace heating-only systems.
- Scheduling:7-day flexible scheduling
- Control:Wi-Fi enabled, smartphone/tablet control
- Compatibility:Most heat/cool systems with C-wire
- Energy Certification:ENERGY STAR certified
- Power Requirement:C-wire power adapter required
- Display:Simple digital interface
Our verdict“This thermostat is best for tech-savvy homeowners who want energy-efficient control with flexible scheduling and already have a compatible wiring setup.”
Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Required
The Honeywell RTH9585WF offers a bright, customizable color touchscreen that makes daily operation effortless, especially for users who prefer visually intuitive controls. Unlike the T5, this model emphasizes a vivid display and compatibility with voice assistants like Alexa and Google Home, making it a solid choice for those who want smart integration beyond basic remote control. Its 7-day programmable schedule provides ample flexibility, but both it and the T5 require a C-wire, limiting its use in older wiring configurations. Although it doesn’t support electric baseboard heating, its compatibility with heat pumps and forced air systems broadens its appeal. This model is well-suited to tech enthusiasts who prioritize a user-friendly interface and voice control, but it’s less suitable for homes without a C-wire or those seeking a less visually intensive device.
Pros:- Bright, customizable color touchscreen for easy navigation
- Remote control via app from anywhere
- Supports voice commands through Alexa and Google Assistant
- Flexible 7-day programming with energy reports
Cons:- Requires a C-wire for installation, limiting compatibility in some homes
- Limited compatibility with electric baseboard heating systems
- Higher complexity for users unfamiliar with smart thermostats
Best for: Owners who value a vibrant display, voice assistant compatibility, and flexible scheduling.
Not ideal for: Users with older homes lacking a C-wire or those preferring a minimalist interface without color displays.
- Display:Color touchscreen
- Programmable Days:7 Day
- Connectivity:Wi-Fi
- Compatibility:Forced air, hot water, steam, heat pumps with electric backup
- C-Wire Required:Yes
- Voice Assistant Compatibility:Amazon Alexa, Google Home
Our verdict“This thermostat is ideal for users who want a visually engaging, voice-compatible device with comprehensive scheduling features, provided their wiring supports it.”

How We Picked
These products were selected based on their ability to effectively control both temperature and humidity through smart features. Considerations included device build quality, ease of installation, app usability, compatibility with voice assistants, and overall value for money. We prioritized models offering reliable humidity regulation, whether through integrated systems or pairing with external dehumidifiers or humidifiers. The ranking reflects a balance of performance, user experience, and long-term maintenance costs, ensuring options suit different budgets and technical comfort levels.| smart thermostat with humidifier dehumidifier control | Compatibility | Display | Connectivity |
|---|---|---|---|
| AprilAire 8920W Wi-Fi Programm | Amazon Alexa and Google Assistant | Color touchscreen | — |
| AprilAire S86WMUPR Wi-Fi Progr | Multi-Stage HVAC systems | — | — |
| Sensi Smart Thermostat | Most HVAC systems | — | Wi-Fi |
| Honeywell Home RTH9600WF Smart | — | High-definition color touchscreen | Wi-Fi |
| Honeywell 3000 Sq. Ft. Energy | — | — | WiFi, Alexa, Google Home |
| Honeywell Home T5 Smart Wi-Fi | Most heat/cool systems with C-wire | Simple digital interface | — |
| Honeywell Home RTH9585WF Wi-Fi | Forced air, hot water, steam, heat pumps with electric backup | Color touchscreen | Wi-Fi |
Factors to Consider When Choosing Smart Thermostat With Humidifier Dehumidifier Control
Choosing a smart thermostat with humidity control involves weighing several factors that can influence both comfort and energy savings. Beyond basic features, understanding how the device manages humidity, integrates with your existing smart home setup, and fits your home’s size can make a big difference. Paying attention to installation requirements and control options will help prevent future frustrations and ensure you select a model tailored to your needs.Compatibility and Connectivity
Ensure the thermostat is compatible with your existing HVAC system, especially if you want integrated humidity control. Connectivity options like WiFi and compatibility with voice assistants such as Alexa or Google Assistant can significantly enhance usability. Some models require a C-wire connection, which might necessitate additional wiring or adapters. Choosing a system with broad compatibility reduces the risk of needing costly upgrades or facing installation hurdles later.
Humidity Control Method
Decide whether you prefer a built-in humidifier or dehumidifier, or if you want to pair a standalone device. Integrated solutions often simplify setup but might be limited in capacity or precision. External dehumidifiers or humidifiers connected via smart controls can offer more granular regulation but add complexity and cost. Consider your climate and specific comfort needs when choosing the right method.
Ease of Use and App Features
An intuitive app interface and reliable remote control are essential for managing humidity and temperature effortlessly. Look for features like scheduling, geofencing, and real-time alerts that can optimize comfort and save energy. Some systems also allow manual adjustments via voice commands, which can be a huge convenience. Avoid models with clunky apps or limited control options, as these can diminish the smart home experience.
Installation and Maintenance
Installation complexity varies widely; some models are DIY-friendly, while others may require professional help, especially if additional wiring is needed. Regular maintenance, such as filter replacements or system calibration, should be straightforward and well-documented. Choosing a model with clear instructions and good customer support can save time and frustration. Remember, a more complex setup might deliver better features but could also incur higher ongoing costs.
Cost and Long-term Value
While premium models offer advanced features and robust control, they come at a higher upfront cost. Balance your budget with the importance of precise humidity regulation and smart integrations. Sometimes, investing in a slightly more expensive unit can lead to greater energy savings and improved indoor air quality over time. Conversely, budget options may lack some features but still provide meaningful humidity management for smaller or less complex homes.
Frequently Asked Questions
Can I install a smart thermostat with humidity control myself?
Many smart thermostats are designed for DIY installation, especially those with straightforward wiring and clear instructions. However, models requiring a C-wire or integration with external humidifiers might be more complex and could benefit from professional help. Ensuring compatibility with your HVAC system and understanding your home’s wiring setup can prevent costly mistakes. If you’re comfortable with basic wiring and technology, DIY installation is often feasible, but don’t hesitate to seek professional assistance if needed.
How accurate is humidity control with these smart thermostats?
The accuracy of humidity regulation varies between models. Built-in humidifiers or dehumidifiers tend to offer more precise control, especially if paired with dedicated sensors. External devices connected via WiFi generally provide reliable regulation but might not match the precision of integrated solutions. Proper calibration and placement of sensors are key to achieving consistent comfort. Always review the device’s sensor specifications and user feedback on humidity accuracy before purchasing.
Will these systems work with my existing smart home devices?
Most modern smart thermostats with humidity control support popular voice assistants like Alexa, Google Assistant, and Apple HomeKit. Compatibility with your existing smart home ecosystem depends on the specific model and your setup. Verify the device’s compatibility before purchasing, especially if you rely on specific platforms or routines. Many manufacturers provide detailed lists of supported devices and integration options, helping you ensure seamless operation within your smart home network.
What are the ongoing maintenance requirements?
Maintenance requirements vary but generally include regular filter replacements for humidifiers and dehumidifiers, calibration checks, and software updates. External units may require periodic cleaning to prevent mold and dust buildup. A system with clear maintenance instructions and responsive customer support can simplify ongoing care. Budgeting for replacement parts and occasional professional servicing can extend your device’s lifespan and maintain optimal performance.
Is it worth paying extra for premium features?
Opting for premium models often provides better humidity regulation, more integrations, and advanced IAQ features. These can translate into improved comfort, energy savings, and healthier indoor air. However, if your needs are basic or your home is small, a mid-range or budget model might suffice. Consider how much value additional features add to your specific situation and whether they align with your comfort priorities and budget constraints.
Conclusion
For most homeowners seeking a balance of ease and versatility, the AprilAire 8920W offers comprehensive IAQ and humidity control with a user-friendly interface — making it the best overall choice. Budget-conscious buyers aiming for reliable humidity management without extra frills will find the Sensi Smart Thermostat offers excellent value. For those willing to invest in premium features and seamless smart home integration, the Honeywell RTH9585WF stands out. Beginners or DIY enthusiasts should prioritize models with straightforward installation, while larger or more complex homes might benefit from integrated external dehumidifiers. Ultimately, choosing the right system depends on your home size, comfort priorities, and tech setup.
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