• Visit our Support Center
  • Check your Order Status
  • Shipping, Delivery & Store Pickup
  • Returns & Exchanges
  • Price Match Guarantee

Order & Purchases

  • Check Order Status
  • Shipping, Delivery & Pickup
  • Returns & Exchanges
  • Price Match Guarantee
  • Product Recalls
  • Trade-In Program
  • Gift Cards

Payment Options

  • My Best Buy® Credit Card
  • Pay Your Bill at Citibank
  • Lease to Own
  • Buy Now, Pay Later
  • Best Buy Business Financing

Support & Services

  • Visit our Support Center
  • Shop with an Expert
  • Schedule a Service
  • Manage an Appointment
  • Protection & Support Plans
  • Haul Away & Recycling
  • Contact Us

Rewards & Membership

  • My Best Buy Memberships
  • View Points & Certificates
  • Member Offers

Partnerships

  • Sell on Best Buy Marketplace
  • Advertise with Us
  • Affiliates: Creators & Publishers
  • Best Buy Health
  • Best Buy Education
  • Best Buy Business
  • Partner+

About Best Buy

  • Corporate Information
  • Careers
  • Corporate Responsibility
  • Sustainability
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more ›
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2026 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.
$(csi.user.businessName)
Skip to contentGo to Product Search
Fall Football
Top Deals
Deal of the Day
Gift Ideas
My Best Buy Memberships
Credit Cards
Gift Cards
Trade-In
Best Buy Business
Main Content

ecobee ecobee Learning Thermostat 6651 6651 search results

Filters

Skip To Results

Get it fast

Select Store
55423

Sold & shipped by

Category

Smart Home
Smart Thermostats
Home Alarms & Sensors
Show all (4)

Price

to

Brand

Features

Current Deals

Color

Power Source

Customer Rating

Condition

Works With

ecobee ecobee Learning Thermostat 6651 6651 (43)

Sort by:
37-43 of 43 items
Previous123
Sponsored
Sponsored
Sponsored
The text on the image is "R G Y W Y N G C R".

Power Extender Kit (PEK) – C-wire adapter for ecobee Smart Thermostats - White

Syndicated rating, 3 out of 5 stars with 2 reviews on bestbuy-ca.

3.0
(2 reviews from bestbuy-ca)
$24.99$2499

Pick up Fri, Oct 2

Get it by Fri, Oct 2 • $5.49

85° 6:30 Home Mode Fan Menu 72 Cool to 72 45% Good Honeywell Home

Honeywell Home - X8S Smart Thermostat with Video Doorbell Compatibility, and IAQ Control - White

Not yet reviewed

Not yet reviewed
$239.99$23999

Pick up Fri, Oct 2

Get it by Thu, Oct 1 • FREE

Installation as soon as Sat, Oct 3

85°F 6:30 Home Mode Fan Menu 72 Cool to 72 45% Good Honeywell Home

Honeywell Home - X8S Smart Thermostat with Room Sensor, Video Doorbell Compatibility, and IAQ Control - White

Not yet reviewed

Not yet reviewed
$259.99$25999

Pick up Fri, Oct 2

Get it by Thu, Oct 1 • FREE

Installation as soon as Thu, Oct 1

Front. ecobee - SmartSensor 2-Pack - White.

ecobee - SmartSensor 2-Pack - White

Rating 4.7 out of 5 stars with 765 reviews

4.7(765 reviews)
$99.99$9999

Pick up in 1 hour

Get it tomorrow • FREE

More options from $239.99