Some British Gas customers who have adopted Hive smart thermostats were at the mercy of the devices which sent temperatures soaring to nearly 90 degrees Fahrenheit (89.6) Back in November, some Nest thermostat owners were reportedly freezing as the smart temperature control was struck dumb by a software update. This time, Hive said it was working on a. software update which will be available soon Back in January, some. users woke up to a very cold house during a time when temperatures were plunging outside.”]