
Full Answer
Does the ecobee 3 Lite have a rechargeable battery?
There's one caveat: The Ecobee3 Lite doesn't offer a rechargeable battery like Nest, so you'll need to have a C wire to power the digital display or install the included Power Extender Kit. Shut off power to your thermostat at the circuit breaker.
Do I need A C wire to power my ecobee?
Guide 1 Install with a C wire 5:56 If you have a C wire, it will power your ecobee. You won’t need the PEK included in the box. Guide 2 Install without a C wire 8:27 If you don’t have a C wire, you’ll need to use the PEK included to reliably power your ecobee. How to set up your ecobee
Can you install ecobee3 lite directly on a furnace?
However, it will require a Power Extension Kit, which is the best solution for you right out of the box. This kit allows you to install the device directly on the furnace. That being said, the adage “Rome wasn’t built in a day” is true in more ways than one when it comes to ecobee3 Lite; there are several positive features to getting one.
What is ecobee3 lite Smart Thermostat?
That's where Ecobee's new Ecobee3 Lite Smart Thermostat comes in. Available beginning October 31 at Home Depot, Best Buy, Amazon and Ecobee's online store, the $169 Ecobee3 Lite is the least expensive Wi-Fi thermostat you can find today that supports five major smart home platforms.

Can I install ecobee without C wire?
Please download the ecobee app (available for Apple and Android devices) and follow the step-by-step installation guide. If you're lacking a C wire and have at least four wires at your thermostat to work with (refer to this article if you only have two wires), you'll want to install the Power Extender Kit (PEK).
Does the ecobee3 lite smart thermostat require a C wire?
Install without a C wire If you don't have a C wire, you'll need to use the PEK included to reliably power your ecobee.
Why does ecobee use a common C wire?
Also known as the common wire, the C wire enables the continuous flow of 24VAC power that ecobee thermostats need to operate.
Is ecobee3 lite discontinued?
The ecobee3 has been discontinued.
What if there is no C wire for thermostat?
While your thermostat may not technically need a C-wire to operate, it gets the power for its screen and Wi-Fi capabilities through “phantom power” or “power stealing.” Basically, this means your thermostat gets a kick of extra power whenever your HVAC system is running.
What is the difference between ecobee and ecobee Lite?
The biggest difference, since the ecobee lite now supports room sensors, is that the ecobee3 lite doesn't support humidifiers, dehumidifiers, or ventilators. If you have these accessories, you should get the ecobee3 so you can take full advantage of your home's HVAC equipment.
Is B wire same as C wire?
A wire labeled O, B, or O/B is used to control whether a heat pump is in heating or cooling mode. However, on some thermostats, a wire labeled B is the common wire C. In most cases, the common wire is labeled C.
Can I use RC wire as C wire?
The C and Rc wires are not the same. To install this thermostat you should follow the exact same wiring of the previous thermostat.
Which thermostat is better Nest or ecobee?
For the money, Ecobee has the better value. You get the integrated Alexa speaker and air quality sensor, as well as one included remote sensor with your purchase. In terms of features, accessories and overall options, Ecobee blows Nest away.
Does my ecobee 3 Lite have a battery?
There's one caveat: The Ecobee3 Lite doesn't offer a rechargeable battery like Nest, so you'll need to have a C wire to power the digital display or install the included Power Extender Kit.
Is there a battery in the ecobee3 Lite thermostat?
The only batter that's in the ecobee 3 thermostat is to back-up the data and you will not be able to access is unless you take the thermostat apart. In the case of a power outage, once power is restored the battery has retained all in the information such as scheduling, etc.
Does the ecobee 3 Lite thermostat have a battery?
A: ecobee 3 lite uses a C wire for constant power from your HVAC unit and is not battery operated.
What is C-wire on thermostat?
WHAT IS A C-WIRE? A C-wire, or a common wire, runs from your low voltage heating system (24v) and carries continuous power to your thermostat. In today's electric market, most newer heating and cooling systems have C-wires, which guarantees compatibility for the installation of all smart thermostats.
Does ecobee3 Lite come with power extender kit?
Yes it comes complete with everything you Might require.
How many wires does a smart thermostat need?
4 wireSmart thermostats like Nest and Ecobee thermostats require 4 wire thermostat wiring to function properly. In addition to heating (2 wire thermostats) and C or fan (3 wire thermostats), 4 wire thermostats include the cooling wire, usually in blue or yellow color.
What color is C-wire?
Blue wiresBlue wires are also called “C” wires because they are the Common wire. C wires are necessary for any “smart” thermostat that needs to be connected to a power source 24/7, regardless of your heat pump type.
How Do I Pair My ecobee3 Lite?
As with almost any technological device released nowadays, you will need to make sure both your phone and the Ecobee app itself are up to date. It also needs to be connected to the same Wi-Fi connection to sync perfectly.
How Do I Know if My ecobee is HomeKit Enabled?
To tell whether or not it is enabled, all you need to do is search diligently on the box your ecobee3 Lite arrived in for the Apple HomeKit logo.
What is RC and RH on ecobee?
On the off-hand chance, you do have to dive into your thermostat’s wiring and make use of your PEK; you may be wondering what these labels mean. Luckily enough, we have just the answer to all those questions and more!
Does ecobee3 Lite Come with a Wall Plate?
The ecobee3 Lite most certainly does come with a wall place. The optional plate is included to cover any paint discrepancies or damages that might have occurred throughout your initial installation.
Does the Ecobee have a voice control?
The ecobee SmartThermostat with voice control uses the same PEK as the ecobee4 and the ecobee3 lite. The ecobee SmartThermostat with voice control also has the same wire terminal placement as the ecobee4.
Is the Ecobee4 the same as the Ecobee3?
The ecobee4 uses the same PEK as the ecobee3 lite. While the PEK installation process for the ecobee3 lite and ecobee4 is virtually identical, some of the terminals on the ecobee itself have been moved around. To avoid confusion, please follow the instructions below when installing your ecobee4.
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How much does Ecobee 3 Lite cost?
That's where Ecobee's new Ecobee3 Lite Smart Thermostat comes in. Available beginning October 31 at Home Depot, Best Buy, Amazon and Ecobee's online store, the $169 Ecobee3 Lite is ...
How to set up Ecobee for Alexa?
For Alexa, make sure you have an Echo, Echo Dot or Tap, download the Alexa app and enable the Ecobee skill. Once that's set up, you can start asking Alexa to adjust the temperature for you . The same goes for Siri via HomeKit. To configure HomeKit, you can either follow the steps in the Ecobee app or use Apple's Home app, now available natively on iPhones thanks to iOS 10.
Is the Emerson Sensi thermostat the same as the Ecobee3 Lite?
To visualize the process, take a look at this install video of the Emerson Sensi thermostat. It won't be identical to the Ecobee3 Lite, but you'll get the general idea.
Is the Ecobee3 Lite intuitive?
But the Ecobee3 Lite's interface is intuitive, easy to navigate and extremely responsive.
Is the Ecobee3 Lite smart?
So what's the downside? Like the $160 Emerson Sensi Wi-Fi Programmable Thermostat, the Ecobee3 Lite is only semi-smart -- it doesn' t come with a remote sensor or any other advanced features. Instead, it bridges the gap between $100 app-enabled thermostats with no smart home integrations and $250 high-end models with smart home integrations and tech that learns your routine and makes automatic temperature adjustments.
Can you use Ecobee thermostat on Android?
But, you should also download the Ecobee app on your Android or iOS device for remote access to your heating and cooling. That way, you can make adjustments and check the status of your thermostat anywhere your phone has a solid cellular or Wi-Fi connection.
