27332 Van Dyke Warren, Michigan 48093

Refrigeration & Heating, Inc

Williams Refrigeration and Heating |Wi-Fi Thermostats

Our Wi-Fi Thermostat Products

Total Remote Comfort Control For Your Home

Wi-Fi capability makes it easy to adjust your home’s temperature and control energy costs from anywhere, using a smartphone, tablet or laptop.

Lennox iComfort S30

Alexa Compatibility

Allows you to use your voice to control your HVAC system.


Versatile programming options offer custom comfort and energy savings

Smooth Setback Recovery

Senses extreme temperature changes and begins the temperature recovery process up to 2 hours before the programmed time

Smart Away

Uses the GPS in your smartphone to detect when you're leaving, and automatically changes the temperature to a more energy-efficient setting

Schedule IQ

Allows you to only program your thermostat once. Whenever there's a change in your routine, the thermostat adapts heating and cooling to match

One-Touch Away Mode

Overrides your regular programming schedule when you're away and automatically turns down heating or cooling to save energy

Allergen Defender

Monitors the air quality and pollen levels of your local zip code and automatically turns the fan on to clean your home’s air when outdoor levels are high

Feels Like

Similar to the "Feels Like" temperature in a weather report, this feature takes into account temperature and humidity to create a comfortable environment

Filter Reminder

Reminds you when its time to change the filter

Customizable Reminders

Allow you to set a series of service and parts replacement reminders which display on the home screen

Auto Changeover

Decides between heating and cooling operation, depending on indoor temperature


Features a large, easy-to-use display with adjustable brightness

Dual-Fuel Capability

Increases the efficiency of dual-fuel heating systems by automatically alternating between gas and electric operation

Energy Reports

Show how often and how long the heating or cooling system has run for the month

Humidity Control

Works with the whole-house humidity-control systems to adjust the home's humidity level

Remote Capability

Monitor and adjust temperatures and schedules from anywhere in the world using the iComfort App and your smartphone, tablet or other web-enabled device


Air quality conditions are offered for your local area, so you always know what’s happening outside

Precise Comfort Plus

Holds your home’s temperature to within 0.5 degree or less when used with premium Lennox® equipment

Climate IQ Technology

Monitors humidity levels, and removes excess moisture for healthier, more comfortable air

Emailed Alerts

Provides detailed diagnostics and reminds your Dealer when service is needed

Remote Troubleshooting

Makes it possible for dealers to use their mobile device to adjust system parameters to fix problems, without ever making a trip to your home System Compatibility Works with premium Lennox communicating equipment only.

Warranty 5-Year Limited Warranty

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Emerson Sensi Wi-Fi Thermostat 1F87U-42WF

The award-winning Sensi Wi-Fi Thermostat is now compatible with Apple HomeKit. Plus, our Contractor-On-Call feature puts your company information at your homeowners’ fingertips.


Geofencing automatically changes temperatures based on the location of the homeowner’s smartphone.


Smart alerts notify homeowners of extreme temperature or humidity levels.


Compatible with smart home platforms Apple HomeKit, Amazon Alexa and Wink.


Easy step-by-step guide in the app to connect to Wi-Fi.


The Sensi app stores your contact information so when your customer needs service, you’re just a tap away.


With features like geofencing, flexible scheduling and remote access, homeowners can save money without compromising their comfort.


Easy management for schools and light commercial applications.

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