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Smart Home · head to head

Ecobee vs Honeywell Building Management

Ecobee logo

Ecobee

Smart Home

Smart thermostats with room sensors for whole-home comfort

From
$139.99/one-time
Rated
-
Full reviewWebsite
Honeywell Building Management logo

Honeywell Building Management

Energy

Integrated building and energy management system

From
On request
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Ecobee installation requires a C-wire in most cases, necessitating professional installation for some users unfamiliar with HVAC wiring; Honeywell Building Management honeywell Building Management publishes no online pricing across its product category pages (buildings.honeywell.com/us/en/products); the only purchasing path offered site-wide is a Contact Us support form, consistent with B2B building automation sold through installers/distributors rather than direct sale.
  • They diverge on capability: Ecobee covers Room Sensors, Honeywell Building Management covers HVAC control.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Ecobee and Honeywell Building Management actually diverge.

Attributes where Ecobee and Honeywell Building Management differ
AttributeEcobeeHoneywell Building Management
Starting price$139.99/one-timeOn request
Pricing modelUnknownquote
PlatformsWeb, iOS, AndroidWeb, Mobile
CategorySmart HomeEnergy
Founded20071906

Identical on both: free tier (No), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Ecobee

  • Room Sensors
  • Built-in Alexa
  • Energy Reports
  • Smart Recovery
  • HomeKit
  • Google Home
  • SmartThings
  • IFTTT

Only in Honeywell Building Management

  • HVAC control
  • Lighting management
  • Energy analytics
  • Maintenance tracking
  • Security integration
  • Microsoft
  • Google
  • SOC2

Both cover

  • Web support

What people use each for

The jobs each tool is most often brought in to do.

Ecobee

  • Energy savingsnot Honeywell Building Management
  • Multi-room comfortnot Honeywell Building Management
  • HVAC optimizationnot Honeywell Building Management
  • Remote climate controlnot Honeywell Building Management

Honeywell Building Management

  • Building automationnot Ecobee
  • Energy optimizationnot Ecobee

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Ecobee

  • Installation requires a C-wire in most cases, necessitating professional installation for some users unfamiliar with HVAC wiring
  • Not compatible with line-voltage baseboard heating systems without additional specialized controllers
  • Touchscreen display is prone to fingerprints and cannot be adjusted from the mobile app
  • Advanced settings interface can feel complex and technical for non-technical users
  • Display settings and customization options are limited to on-device configuration only

Honeywell Building Management

  • Honeywell Building Management publishes no online pricing across its product category pages (buildings.honeywell.com/us/en/products); the only purchasing path offered site-wide is a Contact Us support form, consistent with B2B building automation sold through installers/distributors rather than direct sale.

Pricing, plan by plan

Ecobee

$139.99/one-time
  • Smart Thermostat Essential$139.99/one-time
    • Up to 23% energy savings
    • ENERGY STAR certified
    • Remote app control
  • Smart Thermostat Enhanced$199.99/one-time
    • Up to 26% energy savings
    • Built-in Alexa voice control
    • HomeKit compatible
  • Smart Thermostat Premium$259.99/one-time
    • Up to 26% energy savings
    • Built-in radar occupancy sensor
    • Indoor air quality monitoring

Honeywell Building Management

On request

No published plan breakdown. See the Honeywell Building Management review.

Which should you pick?

Choose Ecobee if

  • You need room sensors.
  • You work on Web, iOS, Android.
  • You also want built-in alexa.
Ecobee review

Choose Honeywell Building Management if

  • You need hvac control.
  • You work on Web, Mobile.
  • You also want lighting management.
Honeywell Building Management review

Questions people ask

Is Ecobee or Honeywell Building Management better?
Neither clearly leads. Ecobee starts at $139.99/one-time and Honeywell Building Management at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ecobee or Honeywell Building Management?
Ecobee starts at $139.99/one-time and Honeywell Building Management at On request.
Does Ecobee or Honeywell Building Management run on more platforms?
Ecobee runs on Web, iOS, Android. Honeywell Building Management runs on Web, Mobile.
What is Ecobee best used for?
Ecobee is most often used for energy savings, multi-room comfort, hvac optimization, remote climate control. Of those, energy savings and multi-room comfort are not what Honeywell Building Management is typically brought in for.
What can Ecobee do that Honeywell Building Management cannot?
Ecobee covers Room Sensors, Built-in Alexa, Energy Reports, Smart Recovery. Honeywell Building Management covers HVAC control, Lighting management, Energy analytics, Maintenance tracking. Both handle Web support.

Answered from the vendors’ own pages

Ecobee: How much can I save with an Ecobee thermostat?

Ecobee thermostats can save up to 26% on annual heating and cooling costs according to manufacturer claims. However, independent ENERGY STAR data shows average savings of around 8%, equating to $50-$100 annually for typical U.S. homes.

Source
Ecobee: Does Ecobee work with HomeKit?

Yes, Ecobee is HomeKit-enabled and was the first to introduce a HomeKit-compatible smart thermostat. The Premium and Enhanced models support Apple HomeKit and allow control via Siri from any Apple device.

Source
Ecobee: What is a SmartSensor and what does it do?

Ecobee SmartSensors are wireless remote temperature and occupancy sensors that detect which rooms are occupied. They allow the thermostat to balance heating and cooling to occupied rooms and ignore empty spaces, improving both comfort and efficiency.

Source
Ecobee: Do I need a C-wire to install Ecobee?

Most installations require a C-wire for reliable operation. Ecobee includes a Power Extender Kit to help with installations lacking a C-wire, but some DIYers may still need professional installation assistance.

Source
Ecobee: What voice assistants does Ecobee support?

Ecobee supports Apple Siri, Amazon Alexa, Google Assistant, and Samsung SmartThings for voice control. The Premium model has built-in Alexa and Siri, while Enhanced and Essential models support all platforms via integration.

Source
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