Nest Protect Smoke & Carbon Monoxide Alarm, Wired (2nd Gen)

T4000ES Learning Thermostat E (White)

Compatibility

The Thermostat E works with 85% of 24V heating and cooling systems, including gas, electric, forced air, heat pump, radiant, oil, hot water, solar and geothermal. Heating and Cooling: 1 stage of heating (W1) and cooling (Y1) and a second stage of either heating (W2) or cooling (Y2).

Heat pump: with auxiliary and emergency heat (O/B, AUX) Fan (G)

Power (C, Rh or Rc)

The Thermostat E is designed to work even if your home doesn't have a common (C) wire, but installing a new C wire may be required.

Learning Thermostat is a leap forward in the way that you control your home's temperature. Sporting a gorgeous minimalist design, the Nest Thermostat is designed to improve the convenience and efficiency of nearly any heating and cooling system.
Thermostat E turns itself down when you're away. You can control it from anywhere. And its frosted display is beautifully designed to blend right in.
Thermostat E's frosted display blends in beautifully. Up close, everything you see is soft and subtle, like a watercolor. And it all disappears when you walk away.
With the app you can change the temperature from the beach, the office or your bed.
ENERGY SAVING: See how much you save. And see how to save more. Thermostat E's energy-saving features have saved people an average of 10% to 12% on heating bills and 15% on cooling bills. Based on typical energy costs, that's an estimated average savings of $131 to $145 a year.
Learning Thermostat is a leap forward in the way that you control your home's temperature. Sporting a gorgeous minimalist design, the Nest Thermostat is designed to improve the convenience and efficiency of nearly any heating and cooling system.
Thermostat E turns itself down when you're away. You can control it from anywhere. And its frosted display is beautifully designed to blend right in.
Thermostat E's frosted display blends in beautifully. Up close, everything you see is soft and subtle, like a watercolor. And it all disappears when you walk away.
With the app you can change the temperature from the beach, the office or your bed.
ENERGY SAVING: See how much you save. And see how to save more. Thermostat E's energy-saving features have saved people an average of 10% to 12% on heating bills and 15% on cooling bills. Based on typical energy costs, that's an estimated average savings of $131 to $145 a year.

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2 Pack Home Thermostat - T4000ES Learning Thermostat E - White;