Aprilaire Air Thermostats

Meet the Nest Learning Thermostat.

It learns what temperatures you like, turns itself down when you’re away and connects to your phone. It has a big, sharp display. And it’s proven to help save energy. In independent studies, the Nest Thermostat saved an average of 10% to 12% on heating bills and 15% on cooling bills. We’ve estimated average savings of $131 to $145 a year.

How does it work?Auto-Schedule No more confusing programming. It learns the temperatures you like and programs itself.

Remote controlConnect the Nest Thermostat to Wi-Fi to change the temperature from your phone, tablet or laptop.

Nest LeafYou’ll see the Leaf when you choose a temperature that saves energy. It guides you in the right direction.

Early-OnNest learns how your home warms up and keeps an eye on the weather to get you the temperature you want when you want it.

Home/Away AssistThe Nest Thermostat automatically turns itself down when you’re away to avoid heating or cooling an empty home.

Energy HistorySee when heating and cooling were on and what affected your energy use.

Safety Temperature AlertsGet an alert on your phone or tablet if your home gets dangerously hot or cold.

FarsightWhen the Nest Thermostat spots you across the room, it lights up beautifully to show you the time, temperature or weather.

Aprilaire Model 8870 Thermostat

Are you building your dream home or have you already built it? Do you want or have a system that enables you to control all your audio, video, security and lighting systems from one central location? Of course you do—but what about your heating, ventilation and air conditioning system (HVAC)? If you truly want the utmost in comfort and convenience for your family and home, your automation system has to include HVAC.      

Take controlling your heating and air conditioning system to a whole new level. Aprilaire's Communicating Thermostats can be integrated into a home automation system or controlled right from your home's PC. Never again will you have to walk around to each thermostat to control the temperature in different areas of your house. The 8870 also simplifies the process when you have 4, 6, 10, 20 or more thermostats. Simply control your HVAC through an automation system or your personal computer whether at home, at work or from any other location.

Whether you're building a new home with total smart-home automation in mind or are making your current home smarter—the Aprilaire 8870 Communicating Thermostats promise you total convenience and control 24-7.

You want a simple but technologically advanced system that can give you total control over all your home's systems. Aprilaire's Communicating Thermostats can be integrated into a whole-home automation system or controlled right from your home's computer giving you the control you want and need.

Whole-Home Automation

Sophisticated whole-home automation systems are making the home of the future a reality. Today's homes are being built with even the most basic automated systems such as home security or lighting systems. Aprilaire's Communicating Thermostats are capable of seamlessly integrating into those systems, so instead of using a thermostat to just control your climate needs, you can use one automation system to control your HVAC, lighting, security, audio/video and other home automation needs. Aprilaire offers the flexibility to work with many manufacturers' automation systems.

PC Control

What if I don't have a home automation system? Aprilaire offers a package that allows you to take control of your thermostats through your personal computer. Program, monitor, set limits, view history and see the current outdoor temperature while sitting at your home computer, and better yet, with Internet access you can do all this from outside your home—anywhere in the world. This package is an excellent monitor and control option for second or vacation homes and condos.        Aprilaire HVAC Automation System Simulator.

Features & Benefits

Using state-of-the-art design and the latest in technology, automated systems use multiple thermostats installed throughout your home. Some features and benefits include:

  • Simple Operation—While Aprilaire Model 8870 Communicating Thermostats can be individually operated, they work best in a system, whether controlled by a PC or home automation system. Internet access allows you to control the system from virtually anywhere in the world.
  • Exceptional Convenience—The individual programming or resetting of thermostats is completely eliminated. You receive information from all Aprilaire 8870 Thermostats on your home automation system's touch panel.
  • Energy Savings—Temperature settings can be customized within the system to fit your lifestyle, delivering increased energy savings.
  • Total Comfort and Ease of Mind—Left for work and forgot to set back your thermostat? Turn them off from your work PC. Going to your vacation home this summer? Program your air conditioner to turn on a couple hours before you arrive. Relaxing at night with a great movie—adjust the temperature, dim the lights, and turn on your A/V system all from one location, your home automation's touch panel.

Aprilaire 8600 Thermostat

Comfort and control! It is just a touch away. The Aprilaire Model 8600 touch screen thermostat has everything you need but is still simple to use.

Features & Benefits

This high contrast easy to read touch screen is not just appealing to the eye. It also offers reliability with precision temperature accuracy, battery back up, convenient service reminders and many other features.

  • Exclusive message center - provides information and simple, real-language instructions. Makes programming and set up effortless. The 8600 also tells you exactly what your equipment is doing.
  • Energy savings - set back temperature overnight and when you're away.
  • Bright backlight - with option for constant low intensity backlight.
  • Avoid hot and cold spots - circulate fan mode helps to maintain consistent temperature throughout your home and keeps your air cleaner.
  • Convenient service reminders - keeps your system running at peak efficiency.
  • Multiple hold options - maximizes comfort and energy savings; vacation hold, custom timed hold, permanent hold and temporary hold.
  • Touch screen lockout - prevents unauthorized changes.
  • Programmable fan - delivers better indoor air quality when combined with an Aprilaire Whole Home Air Cleaner.
  • Copy function - allows for quicker programming and 7-day programming allows for separate programming for each day.
  • Permanent memory - programming, time and date are not lost during a power outage.
As with all Aprilaire products the Aprilaire 8600 is backed by a 5 year warranty.

Aprilaire Thermostat Model 8400

Give your old-school heating and cooling system a higher education. The simple addition of a programmable thermostat allows you to create personalized programs based on your lifestyle, enabling you to heat or cool your home when you need it—reducing energy costs. In fact The U.S. Department of Energy recommends programmable thermostats to save up to 30% on heating and cooling bills.

Most thermostats are designed around your heating and cooling system. The Aprilare 8400 Series Programmable Thermostats are designed around you.        Features & Benefits

The 8400 Series Programmable Thermostats are easy to program and offer a combination of simplicity, value, reliability, comfort and style. Other benefits include:

  • Easy to Use Temperature Control and ability to override the program schedule at any time.
  • Progressive Recovery assures that the heating and cooling equipment starts at the optimum time to reach choosen temperature by the time you want it.
  • Choice of 5/1/1 Day or 5/2 Day Programming. This allows for customization of your weekday and weekend schedule based on your needs.

Additional Features:

  • Large LCD Screen with high contrast - for easy reading.
  • Outdoor Temperature Reading for convenience and comparison (requires optional outdoor temperature sensor).
  • Circulate Fan Mode means that the fan comes on for 10 minutes every 30 minutes for better indoor air quality plus reduces hot and cold spots within your home.
  • Service Reminder tells you when you should change your air filter to protect your equipment and water panel to keep your humidifier running in optimum condition. It also can remind you to service your equipment or whole-home dehumidifier to insure the longevity of your investment.

Aprilaire Models 8444/8446/8448 Non-Programmable Thermostats

Convenient, easy to use, digital accuracy. There's no longer a reason to use a mechanical thermostat. Get all the benefits of bringing your heating and cooling system into the digital age. Aprilaire Models 8444, 8446 and 8448 Non-Programmable Thermostats are mercury-free and provide pinpoint accuracy and control for ultimate comfort. If you don't need a programmable thermostat, but desire the features of an electronic over a mechanical thermostat, then this type is the best choice for your home. Aprilaire Non-Programmable Thermostats contain compact computers providing outstanding energy efficiency and, depending on which model you choose, can work with single or multi-stage, heat pump and hydronic systems. Ask your dealer which model is right for your system.

Features & Benefits    

The Aprilaire 8400 Series Non-Programmable Thermostats are attractive, simple to use and offer:

  • Large LCD Screen with high contrast - for easy reading.
  • Temperature Readout in Fahrenheit or Celsius.

Additional Features:          

  • Outdoor Temperature Reading for convenience and comparison (requires optional outdoor temperature sensor).
  • Circulate Fan Mode means that the fan comes on for 10 minutes every 30 minutes for better indoor air quality plus reduces hot or cold spots within your home.
  • Service Reminder tells you when you should change your air filter to protect your equipment and water panel to keep your humidifier running in optimum condition. It also can remind you to service your equipment or humidifier to insure the longevity of your investment.

Aprilaire Model 6504 Zoned Comfort Control

Get more comfort, and spend less on energy, with one whole-home system.      The Aprilaire Model 6504 Zoned Comfort Control system provides the ultimate in control and convenience. The system eliminates inconsistent, uncomfortable temperatures in your home by utilizing an Aprilaire Model 8570 Thermostat in up to four separate areas or “zones”. These thermostats are connected to a central control system which selectively open and close a dedicated series of dampers, delivering conditioned air only where you need it, when you need it, thus letting you customize your comfort while saving you money on energy costs.


The Aprilaire Zoned Comfort Control system offers more convenience and information than you’d ever expect.

  • Simple to use—the Model 8570 Thermostat provides an intuitive menu-driven approach to programming, making it the easiest and most efficient thermostat to operate.
  • Control any thermostat from any other—whether turning on/off, adjusting or simply viewing, you can control any Model 8570 Thermostat from any other. No running downstairs in the middle of the night because you’re too hot upstairs—simply adjust the thermostat in the area you’re experiencing discomfort.
  • Unsurpassed convenience—create customized names for each Model 8570 to provide easy identification from one other. Each thermostat can also adjust automatically for daylight-savings time.
  • Easy to read—vibrant, soft blue backlighting allows the Model 8570      Thermostats to be viewable at any light level.
  • Displays information that you can use daily—indoor and outdoor temperature, indoor relative humidity, equipment status, time and date. It can also display the name and phone number of your heating and air-conditioning dealer if service is ever needed.
  • Constant comfort—your morning temperature setting is assured after an overnight setback through the use of special Progressive Recovery technology.

The Ultimate System

Each Aprilaire 8570 thermostat is connected to the Aprilare Model 6504 Control Panel which is located near your heating and cooling system. The Model 6504 Panel shares information between thermostats and opens and closes dampers located in your system’s ductwork to control heating and cooling needs in each zone. But the Model 6504 Panel can go well beyond perfect temperatures to achieve the ultimate in home comfort and convenience. It can also control other Aprilaire Indoor Quality products to help you achieve total whole-home comfort 365 days a year.

  • Improve Humidity Control—your Aprilaire Humidifier shares your home’s relative humidity level with the system which allows the Model 6504 Panel to extend blower operation at the end of a heat call if the humidity set point was not reached during the call.
  • Ventilation Control—when installed with an Aprilaire Energy Recovery Ventilator or an Aprilaire Ventilation Damper, the Model 6504 Panel will ensure the right quantity and quality of fresh air critical for your home’s comfort.
  • Maintenance Reminders—the system will alert you when scheduled service is needed for your heating and cooling equipment as well as your Aprilaire indoor air quality products.