The quick answer: ecobee wins for most Canadian buyers: it has Apple HomeKit support, room sensors, a longer warranty, and costs less than the Nest Learning Thermostat for more features. Nest wins on design and auto-learning, and is the right choice if you’re deep in the Google ecosystem.

The full comparison follows.

Quick Verdict

Situation Pick
You use Apple products (iPhone, HomePod, iPad) ecobee: HomeKit support; Nest has none
You want the best-looking thermostat Nest Learning: premium design
You want room sensors ecobee: SmartSensors available; Nest has no sensor option
You want auto-scheduling without manual setup Nest Learning: observes and learns; ecobee requires manual setup
You’re on a budget ecobee Enhanced or Nest Thermostat depending on features needed
You want the longest warranty ecobee: 3 years vs Nest’s 2 years
You use Google Home / Nest devices Nest: tighter ecosystem integration
Your utility has demand-response programs ecobee: eco+ integrates with more programs

Design

Nest Learning Thermostat: Circular metal housing in mirror, obsidian, polished steel, or brass. The 3.25-inch colour display activates with Farsight when you approach. It’s the most attractive thermostat on the market, which matters if it’s mounted somewhere visible in your home.

ecobee: Rectangular white housing with a 3.5-inch colour touch display. Clean and modern, but clearly a utility device rather than a design object. Fine on most walls; not a conversation piece.

If design is a priority, Nest wins. For everyone else, this is a minor factor.

Apple HomeKit: The Biggest Differentiator

ecobee supports Apple HomeKit natively. You can:
– Control it through the Apple Home app
– Create HomeKit automations (e.g., turn down heat when last person leaves based on iPhone location)
– Use Siri (“Hey Siri, set the thermostat to 21 degrees”)
– Integrate with other HomeKit accessories

Nest does not support Apple HomeKit on any current model, including the Learning Thermostat and the Nest Thermostat. There’s no workaround.

If you use an iPhone and care about smart home integration, this is the deciding factor. ecobee is the only major smart thermostat with native HomeKit support.

Room Sensors

ecobee SmartSensors are small puck-shaped sensors that measure temperature and occupancy in individual rooms. Place one in your bedroom, and ecobee targets that temperature during sleeping hours rather than relying on the hallway thermostat location.

The ecobee Premium includes one sensor. Additional sensors are ~$69 CAD each.

Nest has no room sensor option for either model. The thermostat measures temperature where it’s mounted.

For larger homes, households where room temperature varies a lot, or anyone who sleeps in a room that runs hot or cold relative to the thermostat location, ecobee’s sensor advantage is real and meaningful.

Scheduling & Auto-Learning

Nest Learning Thermostat: Observes your manual temperature adjustments for the first week and builds a schedule on its own. After 1–2 weeks, it programs itself. The schedule can be edited in the app.

This is Nest’s most distinctive feature. In practice, it works well for consistent households and less well for irregular ones. If your schedule varies a lot day to day, you’ll end up overriding it often.

ecobee: Does not auto-learn. You build your schedule manually in the app. The eco+ system uses weather data and usage patterns to optimize within your schedule, but the initial setup requires your input.

Nest’s auto-learning is convenient. ecobee’s manual scheduling takes 20 minutes to set up and is more precise for irregular households.

Demand Response & Utility Programs

ecobee integrates with utility demand-response programs through eco+: you see available programs for your area in the app and can enroll with a few taps. Programs include ConnectedSolutions, various BYOT programs, and utility-specific programs across Canada and the US.

Nest supports demand-response through Rush Hour Rewards for utilities that have partnered with Google directly. The program coverage is narrower than ecobee’s. See Nest Rush Hour Rewards: Which Utilities & How Much.

For demand-response participation, ecobee has broader coverage and more seamless enrollment.

Price Comparison

Model CAD Price C-wire needed
Nest Thermostat ~$149 No
ecobee Enhanced ~$229 No (PEK included)
Nest Learning Thermostat ~$329 No (power harvesting)
ecobee Premium ~$299 No (PEK included)

The natural comparison is ecobee Enhanced (~$229) vs Nest Learning Thermostat (~$329).

ecobee Enhanced wins on value: $100 less, HomeKit support, broader ecosystem, 3-year warranty. The Nest Learning Thermostat wins on design and auto-learning.

The Nest Thermostat at ~$149 and ecobee Enhanced at ~$229 are the practical alternatives for budget-conscious buyers, and this comparison comes down to whether auto-learning (Nest) or HomeKit + sensors (ecobee) matters more.

Rebate Eligibility in Canada

Both brands are ENERGY STAR certified. ecobee appears on more Canadian utility rebate qualifying lists than any other brand, partly because it’s a Canadian company and partly because of its established relationships with Canadian utilities.

Nest models also show up on many qualifying lists, but on fewer province-specific ones, particularly outside Ontario and BC.

For current province-specific rebate amounts, see Smart Thermostat Rebates in Canada by Province.

Full Feature Comparison

Nest vs ecobee: full spec comparison, covering display, HomeKit, sensors, auto-schedule, warranty, price, and rebate eligibility

The Verdict

Buy ecobee Enhanced if:
– You use Apple products and want HomeKit
– You want room sensors (available add-on)
– You want the longer warranty (3 years)
– You want better demand-response integration
– You want better value for money vs the Nest Learning Thermostat

Buy Nest Learning Thermostat if:
– Design is important to you
– You want auto-schedule learning without manual setup
– You’re invested in the Google ecosystem (Nest cameras, Nest Hub, etc.)
– You don’t use Apple HomeKit

Buy Nest Thermostat if:
– You want the lowest-cost option with basic smart features
– Google Home integration is sufficient
– You don’t need sensors or HomeKit

For individual in-depth reviews: ecobee Smart Thermostat Review | Google Nest Thermostat Review.

Frequently Asked Questions

Does Nest or ecobee work better with Canadian rebate programs?
ecobee appears on more Canadian utility rebate qualifying lists. It’s a Canadian company (Toronto-based) with strong relationships with Canadian utilities. Both are ENERGY STAR certified. Verify your specific program’s current list.

Which is easier to install, Nest or ecobee?
Both are comparable in difficulty. ecobee includes a Power Extender Kit with clear app-guided instructions. Nest’s app also guides installation. Neither requires professional installation for standard systems.

Does Nest work with Apple HomeKit?
No. No current Nest thermostat model supports Apple HomeKit. ecobee is the only major smart thermostat with native HomeKit support.

Can I add room sensors to a Nest thermostat?
No. Nest does not offer room sensors for any current model. ecobee’s SmartSensors are a unique advantage for larger homes or rooms that run at different temperatures from the thermostat location.

Which thermostat is better for a heat pump in Canada?
ecobee edges ahead for heat pump management: more configurable auxiliary heat controls, better multi-stage handling, and broader demand-response integration with utility programs. Both work well with standard heat pump setups.

Is ecobee or Nest better for a Canadian home?
For most Canadian homes: ecobee. It’s made in Canada, has broader rebate eligibility, and supports Apple HomeKit. Nest is a strong alternative for Google ecosystem users or those who prioritize design and auto-learning.