Emerson 1F87U-42WF Sensi™ Wi-Fi Smart Thermostat, Programmable, 4 Heat - 2 Cool
Emerson 1F87U-42WF Sensi™ Wi-Fi Smart Thermostat, Programmable, 4 Heat - 2 Cool
Products usually ship within 1 business day.
The award-winning Sensi Smart Thermostat keeps homeowners connected to comfort and keeps you connected to your customers. Our Contractor-On-Call feature puts your company information at your homeowners fingertips.
SAVE ABOUT 23% ON HVAC ENERGY
By adjusting the temperature using flexible scheduling, remote access, and geofencing, Sensi customers saved about 23% on HVAC energy usage.
HUMIDITY CONTROL
Help homeowners stay comfortable with humidification/dehumidification control.
EASY TO INSTALL & CONNECT
No common wire (c-wire) required for most installations. Step-by-step guide in the Sensi app.
USAGE REPORTS
Monitor current day and historical heating, cooling and fan runtimes right in the app.
SMART HOME COMPATIBLE
Compatible with smart home platforms Amazon Alexa, the Google Assistant, Apple HomeKit and SmartThings.
CONTRACTOR-ON-CALL
The Sensi app stores your contact information so when your customer needs service, you’re just a tap away.
SMART ALERTS
Smart alerts notify homeowners of extreme temperature or humidity levels.
MULTIPLE THERMOSTAT CONTROL
Easy management for schools and light commercial applications.
CIRCULATING FAN
Air circulation may improve indoor air quality by helping to regulate temperature and prevent buildup of particles and mold.
Advanced Features
DUAL FUEL APPLICATIONS
Automatic staging for heat pump/gas furnace without the need for outdoor sensor or additional equipment.
AUTO CHANGEOVER
Automatically switches between heating and cooling within the set range.
KEYPAD LOCKOUT
Ideal for light commercial applications – lock the thermostat keypad and keep the control from the Sensi app.
BACKLIT DISPLAY
Easy-to-read screen in low light.
REMOTE ACCESS
Set, change and program home comfort from anywhere.
FLEXIBLE SCHEDULING
Program a schedule for each day of the week.
LOCAL WEATHER
Get easy weather updates.
Specifications
esEnergy Star Rated | Yes |
Program Options |
Programmable - 7 Day or Non-Programmable |
Program Periods Per Day Options | 8 Max |
3-Wire Zone Valve Connections | Yes |
Millivolt Compatible | No |
Economizer Connections | No |
Humidity Control | Displays indoor humidity |
Terminal Designations | RC, RH, C, W/E, W2, Y, Y2, O/B/2, G, L |
Heat Pump Dual Fuel Control | Yes (Remote Sensor Not Required) |
Heat Pump Auxiliary Lockout Control - Outdoor Sensor Option | None |
Remote Sensor Options | None |
Auto Changeover (Heat/Cool) | Yes |
Fan Option | Auto, On |
Filter Change Reminder | Yes |
Early Start | Yes |
Keypad Lockout | Total Lockout |
Set-Point Temperature Limits | No |
Backlight | Yes; Continuous Backlight with Common Wire |
Voltage | 20-30 Vac, NEC Class II 50/60Hz |
Amp Rating | 0.05 to 1.5 Amps (load per terminal) 1.5 Amps maximum load (all terminals combined) |
Battery Power Rating | 0 to 30 Vac, 50/60 Hz or DC |
Rated Differential, Universal | Heat (Conventional Gas, Oil, Electric): 0.5°F (Fast) 0.75°F (Med) 1.9°F (Slow); Cool (Central Air): 0.9°F (Fast) 1.2°F (Med) 1.7°F (Slow); Heat Pump: 0.9°F (Fast) 1.2°F (Med) 1.7°F (Slow); Aux. Heat: 0.5°F (Fast) |
Ambient Operating Temperature | 32° to 105°F (0 to 40°C) |
Operating Humidity | 90% non-condensing maximum |