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Ecobee vs HOMER Energy

Ecobee logo

Ecobee

Software

Smart thermostats with room sensors for whole-home comfort

From
$139.99/one-time
Rated
-
Full reviewWebsite
HOMER Energy logo

HOMER Energy

Software

Microgrid and distributed energy optimization software

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only HOMER Energy has a free tier, so it costs nothing to try first.
  • Each has a real cost: Ecobee installation requires a C-wire in most cases, necessitating professional installation for some users unfamiliar with HVAC wiring; HOMER Energy now owned by UL Solutions rather than being independent
  • They diverge on capability: Ecobee covers Room Sensors, HOMER Energy covers Microgrid optimization.

Where they differ

Only the attributes on which Ecobee and HOMER Energy actually diverge.

Attributes where Ecobee and HOMER Energy differ
AttributeEcobeeHOMER Energy
Starting price$139.99/one-timeFree
Pricing modelUnknownsubscription
Free tierNoYes
PlatformsWeb, iOS, AndroidWindows, Web
Founded20072009

Identical on both: user rating (Not yet rated), category (Unknown).

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 HOMER Energy

  • Microgrid optimization
  • Techno-economic analysis
  • Component library
  • Sensitivity analysis
  • Energy storage sizing
  • Renewable integration
  • Load profile analysis
  • Financial modeling

Both cover

  • Web support

What people use each for

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

Ecobee

  • Energy savingsnot HOMER Energy
  • Multi-room comfortnot HOMER Energy
  • HVAC optimizationnot HOMER Energy
  • Remote climate controlnot HOMER Energy

HOMER Energy

  • Sizing and optimising off-grid and microgrid systemsnot Ecobee
  • Modelling the economics of solar, wind and battery combinationsnot Ecobee
  • Electric bill optimisation for grid-connected sites and EV chargingnot Ecobee
  • Utility-scale storage investment analysisnot Ecobee
  • Comparing least-cost configurations against load and resource datanot 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

HOMER Energy

  • Now owned by UL Solutions rather than being independent
  • Split into three separate products, HOMER Pro for off-grid and microgrids, HOMER Grid for bill optimisation and HOMER Front for utility-scale, so the right one depends on project type
  • Pricing is not shown on the product pages

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

HOMER Energy

Free
  • HOMER GridFree
    • Grid-connected optimization
    • Basic components
    • Limited simulations
  • HOMER Pro$1500/year
    • Advanced optimization
    • All components
    • Unlimited simulations
  • Enterprise$undefined/year
    • Multi-user licenses
    • API access
    • Custom modules

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 HOMER Energy if

  • You need microgrid optimization.
  • You want to start without paying.
  • You work on Windows, Web.
  • You also want techno-economic analysis.
HOMER Energy review

Questions people ask

Is Ecobee or HOMER Energy better?
Neither clearly leads. Ecobee starts at $139.99/one-time and HOMER Energy at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ecobee or HOMER Energy?
HOMER Energy has a free tier; the other does not. Paid plans start at $139.99/one-time for Ecobee and Free for HOMER Energy.
Does Ecobee or HOMER Energy run on more platforms?
Ecobee runs on Web, iOS, Android. HOMER Energy runs on Windows, Web.
Can I use HOMER Energy for free?
Yes. HOMER Energy has a free tier, so you can try it without paying. Ecobee starts at $139.99/one-time.
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 HOMER Energy is typically brought in for.
What can Ecobee do that HOMER Energy cannot?
Ecobee covers Room Sensors, Built-in Alexa, Energy Reports, Smart Recovery. HOMER Energy covers Microgrid optimization, Techno-economic analysis, Component library, Sensitivity analysis. 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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