Amazon offers Prime members the Honeywell 5-2 Programmable Thermostat
, model no. RTH2300B1012/A, for $22.41
with free shipping
. (Non-members can spend $35 or more to qualify for free shipping; otherwise, it adds $6.54.) That's $1 under our mention from last week and the lowest total price we could find now by a buck. (Most stores charge over $30.) It features a large backlit display, separate weekday and weekend programs, continuously adjustable pre-heating and cooling settings, and auto-change function.