Top 5 Smart Thermostats in the Market Today

By: Smart Zero Home
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A smart thermostat allows home residents to program multiple occupancy schedules, such as a weekend and weekday schedule for different seasons. A smarter thermostat such as the Nest can even self-learn and continue to refine and build upon the occupancy schedules of the residents.

A smart thermostat is connected to HVAC system (AC and furnace) and can work towards maximizing their efficiency and ensuring cost-effectiveness.

Smart thermostat can control the HVAC operations based on outside weather and occupant schedules

Here are the best smart thermostats available in the market today, based on our analysis, and feedback from customers and contractors:


Company Nest ECOBEE3 Honeywell Carrier Emerson
Rating 9.6 9.4 9.2 8.8 8.8
Price $237.98 $224.99 $171.49 $249.00 $106.99
Smartness Self learning algorithms, Auto Schedule, Auto Away, Remote Control Remote Sensors, Control HVAC Remotely, Automated Alerts & reminders Allows remote access to the thermostat, Customize the screen color to match any décor, Indoor humidity displayed below temparture on touchscreen Smart setback - Learns about your home, then intelligently adapts around your schedule for greater efficiency and comfort, Guided Scheduling - 10 simple questions help you program to fit your lifestyle Remote Connect & access, Custom 7 Day scheduling helps reduce wasteful heating and cooling to save up to 33% in HVAC energy costs.
Installation Not Easy Easy Easy Easy Easy

Model Details (from manufacturer)

Works with 95% of 24V heating and cooling systems Save an average of 23% on heating and cooling annually

Programmable mode to save on annual heating and cooling costs

Advanced locking features and password options provide smart security and convenience

Energy Reports - Tracks your system’s performance, Customized energy savings tips Designed to work with existing wires, Sensi thermostat is universally compatible with most gas, oil, geothermal, heat pump and radiant heat systems
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Also see our post on Connected Home 101 and Target's smart connected home.