Top 10 Best Smart Thermostat Without C Wire 2022

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Are you looking for Smart Thermostat Without C Wire Reviews? Our experts found 55443 number of feedback online for "Smart Thermostat Without C Wire" and shortlisted them. This suggestions is created for those looking for their ideal Smart Thermostat Without C Wire. On selected products for the Best Smart Thermostat Without C Wire you will see ratings. The rating matrix we have generated is based on user ratings found online. Take a look -

Best Smart Thermostat Without C Wire
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NoProductScoreAction
1Emerson Sensi Wi-Fi Smart Thermostat for Smart Home9.8
2Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF)9.8
3C-Wire Power Adapter9.6
4Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow9.6
5Lux Products LPB-WH Power Bridge Provides 24V AC Thermostats in HOmes without C-Wires9
6Google Nest Power Connector - Nest Thermostat C Wire Adapter - C Wire Adapter for Smart Thermostat - Nest Thermostat Accessories9
710FT 24 Volt Transformer9
8Honeywell Home C-Wire Adapter8.8
9C Wire Adapter 24 Volt Transformer Compatible with Nest Honeywell Ecobee Emerson Sensi Smart WiFi (White)8.2
10ecobee EB-STATe3L-01 3 Lite Thermostat8.2

Comparison Chart for Best Smart Thermostat Without C Wire

In this article we've included our suggestions for the Smart Thermostat Without C Wire after analyzing 55443 reviews.

Table Of Content:

1. Emerson Sensi Wi-Fi Smart Thermostat for Smart Home

Emerson Sensi Wi-Fi Smart Thermostat for Smart Home, DIY, Works With Alexa, Energy Star Certified, ST55
  • Privacy Protection: Sensi Won’T Sell Your Personal Information To Third Parties
  • Save About 23% On Hvac Energy: The Energy Star-Certified Sensi Smart Thermostat Can Help You Save Energy With Features Like Flexible Scheduling, Remote Access And Usage Reports.
  • Easy Diy Installation: Use The Built-In Level And Step-By-Step App Instructions For A Quick Installation.
  • Smart Maintenance: Sensi Can Help Monitor The Performance And Efficiency Of Your Hvac System By Delivering Valuable Usage Reports, Alerts About Your Equipment, And Maintenance Reminders Like Filter Replacement.

2. Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF)

Honeywell Home Wi-Fi 7-Day Programmable Thermostat (RTH6580WF), Requires C Wire, Works with Alexa
  • EASY-TO-USE-APP.
  • SMART HOME INTEGRATION.
  • SIMPLE INSTALL FOR A DIY PROJECT.
  • ENERGY STAR CERTIFIED.
  • EASY OPERATION AND INTUITIVE.
  • COMPATIBLE WITH: Forced air (gas, oil or electric), hot water and steam, and heat pumps with electric backup.
  • LEARNS YOUR COMFORT LEVELS.
  • EFFICIENCY AND REWARDS.
  • Use with a non- Honeywell Home wire saver may cause product failure and void manufacturer’s warranty.

3. C-Wire Power Adapter

C-Wire Power Adapter
  • The C-Wire Power Adapter makes Honeywell Home smart thermostats compatible with most homes that don’t have a common wire.
  • Quickly and easily power connected thermostats that require a c-wire.
  • Use for Wi-Fi, 24v Honeywell Home thermostats when a common wire is needed but not present.
  • Easy push terminals and an adhesive mount make installation quick and easy.
  • Simple adhesive mount allows you to attach the adapter to the outside of your furnace.
  • Be discreet with a closed cover to conceal internal components and wires.

4. Google Nest Thermostat – Smart Thermostat for Home – Programmable Wifi Thermostat – Snow

Google Nest Thermostat - Smart Thermostat for Home - Programmable Wifi Thermostat - Snow
  • ENERGY STAR certified smart thermostat for home that helps you save energy and stay comfortable
  • The Nest Thermostat is designed to work without a C wire in most homes, but for some systems, including heating only, cooling only, zone controlled, and heat pump systems, you’ll need a C wire or other compatible power accessory.
  • Nest Thermostat turns itself down when you leave, so you don’t waste energy heating or cooling an empty home.
  • Programmable thermostat that lets you create an energy efficient schedule in the Google Home app on your Android or iPhone.
  • Remote control lets family members change the thermostat temperature from anywhere on a phone, laptop, or tablet[1].
  • Savings Finder looks for more ways your thermostat can help you save, and suggests tweaks to your schedule in the app; check with your energy provider to learn more about rebates and more ways to save on a Nest thermostat.
  • Smart thermostat with HVAC monitoring, which looks out for your heating and cooling systems; sends an alert if something doesn’t seem right, along with helpful reminders to make maintenance easier[2].
  • It’s easy to install your thermostat, typically in 30 minutes or less, with everything you need included in the box; it’s compatible with 85% of heating and cooling systems.
  • Please refer to the product description section below for all applicable legal disclaimers denoted by the bracketed numbers in the preceding bullet points (e.
  • The limited warranty for this product applies only if purchased from Amazon.

5. Lux Products LPB-WH Power Bridge Provides 24V AC Thermostats in HOmes without C-Wires

Lux Products LPB-WH Power Bridge Provides 24V AC Thermostats in HOmes without C-Wires
  • Provides 24V AC power to homes without C-wires (see Product Description info)
  • Can be installed either by DIY homeowners or professional contractors
  • Recommended for homes without C-wires that use home automation platforms
  • Can avoid installing new wires and turn a standard 4-wire system into a 5-wire system with constant power.
  • Installation videos and more information about compatibility is available on the LUX website

6. Google Nest Power Connector – Nest Thermostat C Wire Adapter – C Wire Adapter for Smart Thermostat – Nest Thermostat Accessories

Google Nest Power Connector - Nest Thermostat C Wire Adapter - C Wire Adapter for Smart Thermostat - Nest Thermostat Accessories
  • Nest thermostats are designed to work without a C wire in most homes but for some systems, including heating-only, cooling-only, zone-controlled, and heat pump systems, you’ll need a Nest Power Connector or C wire.
  • The Nest Power Connector is a simple affordable alternative to a C wire if your heating and cooling system requires one to power your Nest Thermostat.
  • Costs less than hiring an electrician to install a new C wire through your walls
  • Installation is simple; the Nest Power Connector attaches to your furnace air handler, or zone controller and comes with simple instructions; no wiring or drilling required.
  • The Nest Power Connector is only compatible with 24 VAC systems; it won’t work with millivolt or high voltage systems.
  • The Nest Power Connector is the Nest thermostat C wire adaptor that’s designed specifically for Nest thermostats.
  • This Google Product features the Google Seal for Online Marketplace when purchased from a seller other than Amazon.

7. 10FT 24 Volt Transformer

10FT 24 Volt Transformer, Power Supply for Nest Hello Video Doorbell and Zmodo Smart Greet Wi-Fi Video Doorbell, C Wire Thermostat Adapter Compatible With Nest, Ecobee, Sensi and Honeywell (White)
  • Widely Using – The power adapter perfect fit smart thermostats (Nest, Ecobee, Honeywell, Emerson Sensi, Hive, etc.
  • Easy Installation – Please install the power adapter after the battery is fully charged.
  • Extra Long Cable – With an AC output of 24V/500mA and 10ft/3m cable, no worries about the distance between the socket to the doorbell.
  • UL Certification – Taken adapter adopts good quality fire shell material and built-in safeguards, provides a short-circuit protection and effectively ensures safe charging, against over-current, over-heating and over-voltage, ensuring that your Doorbell stays safe.
  • 100% GUARANTEE – If you have any questions about the Product, please feel free to Contact us.

8. Honeywell Home C-Wire Adapter

Honeywell Home C-Wire Adapter, White, THP9045A1098
  • The C-Wire Power Adapter makes Honeywell Home smart thermostats compatible with most homes that don’t have a common wire.
  • Quickly and easily power connected thermostats that require a c-wire.
  • Use for Wi-Fi, 24v Honeywell Home thermostats when a common wire is needed but not present.
  • Easy push terminals and an adhesive mount make installation quick and easy.
  • Simple adhesive mount allows you to attach the adapter to the outside of your furnace.

9. C Wire Adapter 24 Volt Transformer Compatible with Nest Honeywell Ecobee Emerson Sensi Smart WiFi (White)

C Wire Adapter 24 Volt Transformer Compatible with Nest Honeywell Ecobee Emerson Sensi Smart WiFi (White)
  • 24V C wire power adapter for thermostat】: plugs into your standard 110v/ 120v outlet and converts to 24V, 500mA/AC.
  • Designed for thermostats power supply】: widely applied for thermostats, powers up smart thermostats for Nest, Ecobee, Honeywell, Emerson Sensi, Hive, etc.
  • UL certified】: UL certification passed, stable and durable 24V transformer for thermostats
  • Easy installation】: 2 pin non-polarity wires support easy and quick install, 23 ft cable is long enough to plug it into an electrical outlet inside or outside your house.
  • Packing list】: 1 x C wire adapter, 1 bag (50 pieces) of cable clips; The brand mentioned above is just for demonstrating compatibility.

10. ecobee EB-STATe3L-01 3 Lite Thermostat

ecobee EB-STATe3L-01 3 Lite Thermostat, Wi-Fi, Works with Amazon Alexa
  • Works with Alexa for voice control (Alexa device sold separately).
  • Your ecobee3 lite powers on through the C and Rc terminal.
  • Fast, easy installation – install your ecobee in 30 minutes or less.
  • Personal energy reports – get free monthly reports on how much energy you’ve saved and tips on how you can save even more.
  • Peace of mind – your ecobee monitors your heating and cooling systems and alerts you If it senses that something isn’t working properly.
  • ASIN B01K48T09Y has a newer model B06W56TBLN

Smart Thermostat Without C Wire Buying Guide


Does the thought of finding a great Smart Thermostat Without C Wire stress you out? Has your mind been juggling between choices when it comes to buying Smart Thermostat Without C Wire in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect Smart Thermostat Without C Wire for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about Smart Thermostat Without C Wire Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best Smart Thermostat Without C Wire in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best Smart Thermostat Without C Wire currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top Smart Thermostat Without C Wire brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top Smart Thermostat Without C Wire based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the Smart Thermostat Without C Wire before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the Smart Thermostat Without C Wire they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good Smart Thermostat Without C Wire, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your Smart Thermostat Without C Wire before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable Smart Thermostat Without C Wire will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good Smart Thermostat Without C Wire if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated Smart Thermostat Without C Wire on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our Smart Thermostat Without C Wire on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any Smart Thermostat Without C Wire featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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