In this article: we compared the Emerson Sensi ST55 to the Honeywell RTH6580WF to determine the best budget WiFi thermostat. Today we’re taking a look at two of the most popular budget-priced smart thermostats, the Emerson Sensi ST55 and the Honeywell RTH6580WF. They’re both popular they offer WiFi connectivity and a smartphone app while still being […]