The 10 Best adding A Doorbell transformers (2023 reviews)

We consider a adding a doorbell transformer to be a worthy investment in the long run. We are here to help you choose the right one for your needs from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Broannutone junction Box READ REVIEW

Best For C Wire thermo Power: Buy: VIIVRIA adding A Doorbell Transformer READ REVIEW

Best For humidifier: Buy: Hotop adding A Doorbell Transformer READ REVIEW

Best With Plug: Buy: Maxdot adding A Doorbell Transformer READ REVIEW

Best For HVAC: Buy: Maxdot Volt Transformer READ REVIEW

Best heavy duty Transformer: Buy: Ring adding A Doorbell Transformer READ REVIEW

Best For both Simplisafe Doorbell cams: Buy: Ragnaros adding A Doorbell Transformer READ REVIEW

Best For Thermostat: Buy: Newhouse hardware adding A Doorbell Transformer READ REVIEW

Best For new Door Bell Camera system: Buy: Giveubed adding A Doorbell Transformer READ REVIEW

Best For Any One: Buy: Broannutone adding A Doorbell Transformer READ REVIEW

Best Overall: Broannutone junction Box

Buy on Amazon

Broannutone line of transformer come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. If you want to keep your ring doorbell hardwired this transformer is THE only way to make it happen. It features to make life more convenient and safer with visual notifications, customizable audio, and installations for multiple entrances. It works great with all of the bells loud and clear. It is heavy, solid and well made and does exactly what it says it does. The off switch is designed to shut off the door chime system in the event of excessive temperature. It is perfectly exactly as needed as protection added to the 3.2a circuit breaker inline.

It is easy to install, no issues with overheating and supplies a stable 16v output. For anyone who couldn't even get their ring doorbell to turn on or have any power issues, this is the best solution.

• Good transformer to power ring pro video doorbells
• Easy to install and exactly what was need for a smart/camera equipped door bell
• Works very well and was easy to install

Best For C Wire thermo Power: VIIVRIA adding A Doorbell Transformer

Buy on Amazon

Next on the list, we've got yet another transformer that manages to win our hearts. It's the viivria adding a doorbell transformer and it's widely considered as one of the best convenient transformer you can buy. This is a device that you can keep your machine continuously charging your doorbells or thermostats. It works with "Honeywell home wi-fi 7-day programmable thermostat (rth6580wf), requires c wire, and works with alexa. The c wire isn’t power, it’s like a neutral wire allowing the circuit to be completed back to the transformer in your furnace. It is easy to install on a nest thermostat.

The tinned ends screwed right into the back of the unit and it runs just warm. It is tight in the outlet so it won’t work it’s way unplugged over time. There is no voltage requirement for the Ring 3 that is beyond that of the Ring. It is perfect for making a wireless doorbell wired.

• Great plug for nest doorbell camera
• Easier solution than climbing in attic to run a c wire, works perfectly
• Nice easy way to connect a nest door bell

Best For humidifier: Hotop adding A Doorbell Transformer

Buy on Amazon

Hotop offers a variety of transformer for personal choice and yet maintaining quality in all the variants. A 40va transformer is pretty typical for a residential hvac system and will operate a Nest thermostat with other relays and controls with no issues. This works for replacing a 24v power brick on a Honeywell furnace mounted humidifier. The screw terminals are high quality and able to be tightened nicely. It is easy to install and works great.

This unit provides 40 VA (or watts), check the current/power requirement for your surveillance cameras. The device is heavy but has a hole to screw into the electrical outlet. The quality is kind of perfect, sturdy and solid. It is well built and heavy. This is a must have for video door bells that need wiring.

• Worked well to power honeywell wifi thermostat
• Works with eufy dusk camera wired
• Delivers the correct voltage, runs cool to the touch
• Wi-fi signal recorded as “excellent”, no drop-outs, audio is better

Best With Plug: Maxdot adding A Doorbell Transformer

Buy on Amazon

Best part: maxdot adding a doorbell transformer costs comparatively low and it is available to ship in 24 hours. There are many different types of Ring Doorbells. It is compatible with ring video doorbell pro, nest hello video doorbell, etc. It will make the doorbell pro work flawless. This transformer meets the requirements for the Ring wired system. It is heavy and well built. It is great for eufy 2K wired video doorbell. It is suitable for a video door bell application.

• Easy to install to upgrade for ring
• Works well, no hum at all
• New and hot release

Best For HVAC: Maxdot Volt Transformer

Buy on Amazon

This 24v transformer fits for nest, ecobee, honeywell and sensi smart thermostats. It works well and it always goes either 25v or 26v. The bell wire is standard for doorbells and thermostats. It comes with typical wiring. The construction of this transformer is very sturdy and it looks like it is well built. It comes with a locknut that firmly anchors the transformer to the breaker box. The Nest connector keeps the voltage safe so there are no worries for the door chime. The power draw of this transformer is low enough that you should have no problem coming off the wiring from an existing circuit, like that of an outlet, to power this transformer.

• Perfect solution for thermostat and doorbell
• Drives the door bell and ring pro without issues
• Good replacement transformer to keep ring doorbell properly charged

Best heavy duty Transformer: Ring adding A Doorbell Transformer

Buy on Amazon

The ring adding a doorbell transformer is suitable and reliable and fits well with your regular usage. If you have an older home with outdated wiring, this transformer will help. This transformer is just simple to have for setup with ring cameras. It is trickle charging, and the existing mechanical door bell works. It will just output a little more amperage to create the same wattage. The new transformer weighs almost double what the old one weighs and it's way beefier and wires a guage bigger.

This makes it easy to ad a neutral wire that the previous unit is not connected. It comes with all the tools you need for easy installation. The new transformer is beefier and definitely more power.

• Trickle-charges the ring doorbell through a hardwired connection
• Genuine oem ring transformer kit including all accessories and instructions, oem packaging
• Works great for installing the ring doorbell
• Works perfectly with doorbell ring pro

Best For both Simplisafe Doorbell cams: Ragnaros adding A Doorbell Transformer

Buy on Amazon

Best part: ragnaros adding a doorbell transformer costs comparatively low and it is available to ship in 24 hours. The new Ring doorbell pro needs a 16v transformer. It works with a new chime and also it is rated at 16v / 10va. It is compatible with ring video doorbell pro, nest hello video doorbell, etc. It is a must if you are installing the nest. It is easy to install, all wires are color coded as they should be.

The Ring Pro Doorbell needs the 16 volts this provides. It is a must if you are installing a doorbell camera.

• Works great with the nest doorbell
• Attached easily to the junction box and is very stable without mounting screws
• Low cost and easy to install

Best For Thermostat: Newhouse hardware adding A Doorbell Transformer

Buy on Amazon

Not everyone likes to purchase transformer for their daily purpose, but the newhouse hardware adding a doorbell transformer would be an anomoly. This is a beefy doorbell transformer. It is easy with the right tools to remove and replace old one. It is great for that camera doorbell. The doorbell is perfectly loud and looks great. This is required if you are adding a ring doorbell pro.

This transformer is easy to install and is great for low voltage doorbells. The transformer is about the same size as the one it replaces, is easy enough to connect and supplies plenty of power to the Ring Doorbell Pro. If it is for you sharp eyed viewers, you will notice there is one cable that is no longer there.

• Inexpensive and gets the job done
• Good for old systems with just a bell ring
• One of the new comers and featured product

Best For new Door Bell Camera system: Giveubed adding A Doorbell Transformer

Buy on Amazon

Not everyone likes to purchase transformer for their regular usage, but the giveubed adding a doorbell transformer would be an anomoly. It is great with the ubiquiti g4 doorbell. It is compatible with most brands of doorbells or thermostats, low voltage hardwired doorbell power supply for residential, commercial and industrial use. It is easy to replace and install with screws, unscrews or threaded clips to the electrical box, in a safe place. It will fix any weak power issues, like dim lights or weak doorbell chime. It does not get hot and is quiet.

There should be either a bare copper wire or a green wire in your building that will connect to the green wire on the transformer. This size prevents glitches if a smaller voltage unit.

• Reliable and drives multiple irrigation valves
• Very easy to install, just turn the power off first
• Good brand reputation

Best For Any One: Broannutone adding A Doorbell Transformer

Buy on Amazon

The broannutone adding a doorbell transformer is satisfactory and appropriate and fits well with your regular usage. It is great to power a new doorbell like a ring or anything like that where no power is available at the doorbell button. It is compatible with most mechanical doorbells and definitely the ring pro doorbell. This is a step down transformer designed for 110V input. It is easy with the included easy-to-install lock-mount or wall-mount that reduces installation time by. The chime gets wired as per the installation instructions, and the video doorbell uses the 2 wires at the front door that would normally be connected to the standard push button. The new one is a little wider, but still fit perfectly.

It is perfect for the wyze doorbell if replacing a nicor doorbell. It works for any one else will depend on the voltage required and the amount of power needed to drive the circuit.

• Fits in elect boxat point where you mount the doorbell
• Super easy install, even came with instructions
• Successfully powers two chimes at once