Too Much Smart


Below you'll find answers to frequently asked questions. If you have any additional questions or need any additional assistance, please don't hesitate to send a message!


What is ThermoTweak?

ThermoTweak is a cloud application that connects to Nest’s system to monitor and give you more control of your Nest Learning Thermostat™.

ThermoTweak currently has two features (defined below), each of which can be turned on or off independently.

Does ThermoTweak make any changes to my Nest Thermostat?

No settings or software changes are made in any way. ThermoTweak does nothing more than connect via Nest's system to check the temperatures on your Nest Thermostat(s) and occasionally send commands to adjust the temperature, start a fan cycle, etc., depending on your settings.

How do the subscriptions work?

Your subscription will automatically renew at the end of each term (monthly, quarterly, or yearly). You must cancel the subscription in order to avoid the renewal.

If you wish to cancel (which you can do at any time on the Manage Subscription page), please note that your plan will be cancelled at the end of your current billing cycle. (Remaining time is not prorated.)

Temp Swing Limiter

How does ThermoTweak limit the temperature swing?

ThermoTweak monitors your Nest Thermostat and estimates when the ambient temperature drifts beyond 0.5°F. ThermoTweak then adjusts the target temperature for a minute, giving your system a chance to turn on or off. After a minute, it restores your thermostat to the original target temperature.

Please note that ThermoTweak will not make any adjustments to any thermostats that are off or in eco mode. It will also never adjust temperatures to below or above the locked temperature if a thermostat is locked.

Will ThermoTweak force my HVAC system on?

ThermoTweak's Temp Swing Limiter operates the same as you walking up to your thermostat and turning the target temperature up or down. If your HVAC system isn’t ready to turn on, it won’t. ThermoTweak will then restore your original target temperature a minute later. If your system wasn’t able to turn on/during that attempt, it’ll pause a few minutes and try the adjustment again until it can.

Will ThermoTweak work with my remote sensor?

Yes, it will. ThermoTweak uses and adjusts the target temperature reported by Nest, which uses whatever is defined as the active sensor/thermostat.

Does a smaller maintenance band (or temperature differential) make my system less efficient?

Yes, most likely. The general consensus is that systems running longer with longer breaks is more efficient than a system turning on and off more frequently.

However, I believe that decision should be in the hands of the consumer. Everyone’s home is unique, and a 2°F temperature swing just isn’t comfortable for many houses and climates. Many people (including myself) would prefer a much more comfortable home. The large temperature swing seems to be a common complaint about how the Nest Thermostat operates (something I discovered after installing two of my own).

Advanced Scheduler

How does the Advanced Scheduler work?

The ThermoTweak Advanced Scheduler allows you to one or more schedules per Nest Thermostat, defining actions to take place by day(s), hour, and minute (in 15 minute intervals). ThermoTweak will then issue a command to perform the actions at the specified times.

You can turn schedules on or off at any time. However, only one schedule can be active per thermostat.

For example, you can create a schedule called "Winter" or "Heat" and activate that during fall/winter months, and another schedule called "Summer" or "Cool" for spring/summer months. If you travel, you can create an entirely separate schedule that you activate only when you're out of town.

What can I schedule with the Advanced Scheduler?

The Advanced Scheduler currently allows you to schedule the following actions:

  • set the HVAC mode (off, eco, heat, cool, or heat•cool)
  • set a target temperature (for heat or cool modes)
  • force a target temperature (also disabled Eco mode, if active)
  • set a temperature range (for heat•cool mode)
  • set a fan run time (15, 30, or 45 minutes, or 1, 2, 4, 8, or 12 hours)

If you are enrolled in the Nest Rush Hour Rewards program, please note that both the "set" and "force" target temperature actions will not take place during energy-savings events.

Once NEST's system support it, ThermoTweak will also allow you to schedule temperature sensors.

Does ThermoTweak remove the schedules I set on my Nest Thermostat?

It does not. The schedules you defined on your Nest Thermostat will continue to run, so you can use the ThermoTweak Advanced Scheduler just to supplement them, if you'd like.

What does the ThermoTweak Advanced Scheduler do to my Nest Thermostat?

ThermoTweak's Advanced Scheduler works exactly the same as you walking up to your Nest Thermostat and performing the actions you define.

It simply issues a command via Nest's servers to perform the actions at the times you specify.

Please note that this does not guarantee the action will take place. For example, if you have an action defined to set the temperature, but you've manually turned off your Nest Thermostat, the action will have no effect.

What if ThermoTweak can't connect to perform the action?

If ThermoTweak fails to connect to initiate a specific action, it will make one attempt to reconnect five minutes later and try the command again.