Smart Wi-Fi thermostat ยท Bosch

Bosch BCC100 Smart Thermostat

Smart Wi-Fi thermostat, heat pump ready

At a glance

Shortlist it for phone control and scheduling.

Strong points
Heat pump support stated.
Weak points
Needs a C wire (maker).
Best match
Phone control and scheduling.
Works with
Amazon Alexa, Vera
Connectivity
Wi-Fi
Display
touchscreen
Power
Electric
Voltage
24
Material
Plastic
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Updated October 2026

Will it work with your system?

Works well with

  • Phone control and scheduling
  • Heat pump systems

Check first if you have

  • Walls without a C wire, unless you add one
  • Line-voltage baseboard heat
  • Millivolt gas heaters

What it controls

The Bosch BCC100 Smart Thermostat is a smart Wi-Fi thermostat. Its listing doesn't spell out which heating and cooling systems it supports, so run the maker's compatibility checker before you buy.

Check your wall for a C terminal: its maker says it needs a C wire ("C-WIRE REQUIRED: A C-wire (common wire) is required to power the unit"). The C wire guide covers adapters.

The maker states heat pump support ("Including heat pump (4 Heat, 2 Cool) or conventional (2 Heat, 2 Cool) systems, any 1-wire "), so it can drive an O/B reversing valve. What a heat pump needs from a thermostat.

Connectivity: Wi-Fi. It amazon Alexa, Vera.

Not sure of your wiring? The wiring checker reads your system from the terminal letters and checks it against this model's statements.

Also on the listing: dimensions of 1 in (D) x 5.2 in (W) x 3.08 in (H), a weight of 6.08 ounces and a touchscreen.

Compatibility and specs

These come from the maker's listing for this exact model; the source of each is marked. Anything the maker leaves out is marked not stated.

Model numberBCC100Retailer
Model nameBCC100Retailer
Dimensions (seller)1"D x 5.2"W x 3.08"HRetailer
Works withAmazon Alexa, VeraRetailer
Features (seller)ProgrammableRetailer
ConnectivityWi-FiRetailer
PowerElectricRetailer
Voltage24Retailer
DisplaytouchscreenRetailer
Mounting / installationWall MountRetailer
MaterialPlasticRetailer
Product weight6.08 ouncesRetailer
C-wireC-WIRE REQUIRED: A C-wire (common wire) is required to power the unitRetailer
Heat pump supportIncluding heat pump (4 Heat, 2 Cool) or conventional (2 Heat, 2 Cool) systems, any 1-wire internally poweredRetailer

Strong points and weak points

Strong points

  • Heat pump support stated
  • Works with Amazon Alexa, Vera

Weak points

  • Needs a C wire (maker)
  • Needs Wi-Fi for smart features

Wiring and install notes

  • Compatibility statements are the maker's own. Confirm with the maker's compatibility checker, turn the power off before wiring, and leave line-voltage and furnace work to a licensed electrician or HVAC technician.

Thermostats to compare it with

FAQ

Does the Bosch BCC100 Smart Thermostat need a C wire?
Its maker says it needs a c wire.
Does the Bosch BCC100 Smart Thermostat work with a heat pump?
Yes, its maker states heat pump support.

Other smart thermostats with similar wiring

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Our take

Shortlist it for phone control and scheduling.

Where to get it

The link goes to this exact model's listing. Check that the box includes the trim plate or C-wire adapter you need, and confirm your wiring with the maker's compatibility checker before you order.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure