Make any home an ecobee Smart Thermostat home with the Power Extender Kit - a cost-effective and efficient solution for homes without a common wire (C-wire).
Easily install any ecobee Smart Thermostat with a PEK. Skip the expensive common wire installation with our do-it-yourself ecobee Power Extender Kit (PEK). It’s smart, straightforward, and a great way to save money.
Capable and compatible.
The Power Extender Kit is compatible with most of our 24 VAC systems* and seamlessly integrates with our range of Smart Thermostats:
- ecobee3
- ecobee3 lite
- ecobee4
- ecobee Smart Thermostat with voice control
- ecobee Smart Thermostat Premium
- ecobee Smart Thermostat Enhanced
- ecobee Smart Thermostat Lite
- ecobee Smart Thermostat Essential

Before you buy:
Verify your ecobee Smart Thermostat compatibility.
Easily check to see if your ecobee Smart Thermostat is compatible with your HVAC system or requires the Power Extender Kit using the compatibility checker.
No common wire. No problem.
If your home doesn’t have a common wire, you can still easily install your ecobee Smart Thermostat with ecobee’s cost effective Power Extender Kit.
Hassle-free installation.
Avoid the need to run extra wires with the ecobee Power Extender Kit – designed to work with most 24VAC systems and homes lacking a common wire. Scan the QR code on the box to access the easy-to-follow installation guide.
Get more installation support.
Watch ecobee’s easy to follow PEK installation video or contact ecobee Support at 1.877.932.6233 or support@ecobee.com for assistance.
Incentives are not currently available for this product.
Eligibility: Product incentives are available to Entergy Louisiana, LLC (“Entergy Louisiana” or “ELL”) residential customers. The customer’s account must currently be in good standing. These incentives are limited based on the details below per Entergy Louisiana residential account, across all Residential and Retail Products Program channels, while funds are available. You must agree to install the incentivized product in the home served by your Entergy Louisiana account. Purchase of an incentivized product via this online store constitutes participation in the Entergy Louisiana Residential Retail and Products Program.
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Smart thermostat – up to $50 incentive; limit two per account.
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Advanced power strip – up to $20 incentive; limit two per account.
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Air purifier – up to $25 incentive; limit two per account.
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Dehumidifier – up to $25 incentive; limit two per account.
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Pipe wrap insulation – up to $4 incentive; limit one per account.
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Water products
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Bathroom faucet aerator – up to $1 incentive; limit five bathroom or kitchen faucet aerators total per account.
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Kitchen faucet aerator – up to $2 incentive; limit five bathroom or kitchen faucet aerators total per account.
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Showerhead – up to $10 incentive; limit five per account.
Smart thermostat consideration: By participating in the Entergy Louisiana Residential Retail and Products Program, you agree to allow Entergy Louisiana to provide communications and offerings related to other smart thermostat programs.
Product specifications: Product specifications posted on this site or otherwise represented may vary and are subject to change without notice. Product suitability, energy, water and dollar savings where provided are believed to be accurate to the best of our knowledge. Actual savings, product performance and product longevity may vary depending upon user application and product specification. Entergy Louisiana makes only general comments on product savings, life, suitability or use applicability. It is the customer’s responsibility to decide whether a product will be suitable for their needs.
Warranty: All goods sold are guaranteed to be free from defects in material and workmanship for a period of 60 days from shipment. Some products may include a longer warranty period; please check the product packaging or specifications online for more detailed information. To request a copy of warranty information for a specific product, please call customer service at 844-829-1300 or email ResidentialRetailProductsELL@ICF.com.
Other than this warranty, Entergy Louisiana makes no warranty of any kind, express or implied, including any warranty of merchantability, fitness for purpose or otherwise. The customer shall in no event be liable for any incidental, indirect, special or consequential damages of any kind, in contract, tort or otherwise. Entergy Louisiana’s liability and customer’s exclusive remedy is limited to the replacement of non-conforming products or payment in an amount not to exceed the purchase price of the specific products for which damages are claimed at the option of Entergy Louisiana.