Williams Distributing Company

658 Richmond NW
Grand Rapids, MI 49504
(616) 456-1613

Thermostats

Enhance the comfort throughout your home—and save on energy costs at the same time with an Aprilaire Thermostat. All Aprilaire Thermostats operate electronically (digitally). Unlike mechanical thermostats, Aprilaire Thermostats are mercury-free and provide you pinpoint accuracy and control of single- or multi-stage forced air, heat pump or hydronic systems. If you have questions about the type of heating and cooling system in your home, be sure to contact an Aprilaire Dealer, your local Indoor Air Quality Specialist.

Programmable Thermostats

APRILAIRE MODEL 8570 THERMOSTAT

The slim profile, ultra-sleek Aprilaire Model 8570 Thermostat does more than just look great. It offers unsurpassed performance, premium features and benefits and is compatible with virtually all equipment types, from single or multi-stage, to heat pump or hydronic systems.The Aprilaire Model 8570 Thermostat boasts an award-winning design and represents a technological advancement in thermostat convenience and control.

 Features & Benefits

  • Simple to operate—the Aprilaire Model 8570 utilizes consumer-proven features such as menu-driven programming and automatic adjustment for daylight savings time. The 8570 uses plain, easy to understand language with no icons to decipher.
  • Easy to read—vibrant, soft blue backlighting with a large display allows the 8570 to be viewed at any light level.
  • Real energy savings—the 8570 is Energy Star Rated and offers “setback” programming that minimizes energy consumption while you are sleeping or away from home. The Aprilaire Model 8570 Thermostat adjusts your home’s temperature up to four times a day for any combination of days, or every day individually.
  • Friendly programming—easily view or change the program schedule on a single screen. You can even program the fan to be “On” or “Automatic” during each event of the program.
  • Constant comfort— after setting back your thermostat at night to save energy, your morning temperature setting is assured at the precise time you wish, through the use of special Progressive Recovery technology. This is accomplished while optimizing your heating and cooling system’s start time for total energy efficiency. For example, if you want to reach a specific temperature in your home by 7 AM, the system will begin operating at just the right amount of time before 7 AM to reach the set temperature.
  • Holiday feature—allows the 8570 program to be overridden until the date and time you select—whether you’re away for hours, days or weeks.
  • Ultimate temperature control—the Aprilaire Model 8570 Thermostat allows you to control up to four separate areas of your home when connected to an Aprilaire Zoned Comfort Control system.
  • Enhanced humidifier performance— when connected to an Aprilaire Whole-House Humidifier, the Aprilaire Model 8570 Thermostat extends blower operation as needed to satisfy your home’s humidity requirements. By connecting to an outdoor sensor or Automatic Humidifier Control, the 8570 becomes your personal indoor environment center by displaying outdoor temperature, indoor relative humidity and providing you with the ultimate in humidity control.
  • Exceptional convenience— the Aprilaire Model 8570 Thermostat maintains the program and all application settings with its permanent program memory even during power outages of any length. The 8570 will also notify you when you need to change an air filter, service a humidifier, or service your heating, ventilation, and air conditioning (HVAC) equipment. The monitor can also conveniently display your HVAC dealer’s name and phone number if you need assistance.

APRILAIRE MODEL 8363/8365/8366 5/2 DAY THERMOSTATS

The 8300 Series Programmable Thermostats are easy to program and offer a combination of simplicity, value, reliability, comfort and style.

 Model 8363 Programmable Thermostat—Heat/Cool 5/2 Day Programming. Also features high temperature protection.

Model 8365 Programmable Thermostat—Heat Pump 5/2 Day Programming. Also includes an additional Emergency Heat (E-Heat) mode. In E-Heat mode, the thermostat will activate the emergency heat with any heat call.

Model 8366 Programmable Thermostat—Heat/Cool Multi-stage 5/2 Day Programming. Also features high temperature protection.

Features & Benefits

  • Real energy savings—“setback” programming minimizes energy consumption while you are sleeping or away from home. The 8300 Series Programmable Thermostats adjust your home’s temperature up to four times each day and also separate weekdays from weekends.
  • Foolproof programming built-in—the 8300 Programmable Series are pre-programmed with Energy Star recommended settings right out of the box. Through proper use of Aprilaire’s programmable thermostats, you can save roughly $100 every year following Energy Star’s recommendations
  • Exceptional convenience and safety—the 8300 Series Programmable Thermostats feature a low battery indicator and easy battery replacement. They also feature an automatic shut-off/turn-on feature to keep your home safe from temperature extremes—even if the battery loses power.
  • Easy to read—the attractive design features a large, easy-to-read backlit display - readable in any light.

  • Temporary and permanent (vacation) hold.

  • Fahrenheit/Celsius selectable.
  • Change air filter and Water Panel® indicator’s (if applicable).

Non-Programmable Thermostats

APRILAIRE MODEL 8344/8346/8348 THERMOSTATS

Aprilaire Models 8344, 8346 and 8348 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.

Model 8344 Non-Programmable Thermostat—Heat/Cool

Model 8346 Non-Programmable Thermostat—Heat Pump

Model 8348 Non-Programmable Thermostat—Heat/Cool Multi-stage

Features & Benefits

  • Exceptional Convenience and Safety—the Aprilaire Models 8344, 8346, and 8348 Non-Programmable Thermostats feature a low battery indicator and easy battery replacement as well as protection from high and low temperature extremes even if battery power is lost.
  • Easy to read—the attractive design features a large, easy-to-read backlit display—readable in any light.
  • Fahrenheit/Celsius selectable.
  • Change air filter or Water Panel® indicator (if applicable).

Communicating Thermostats

APRILAIRE MODEL 8770 THERMOSTAT

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.

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.