10 Best Doorbell Transformers 2025 in the United States

The Doorbell Transformer 24V Adapter for Ring Video Doorbell and other smart doorbells like Nest, Wyze, and Eufy offers a solution for continuous power supply, eliminating low battery issues. It operates at a voltage of 24V and has a current rating of 0.5 amps, making it suitable for a range of popular doorbell models, including various Ring, Nest, and Eufy versions. This compatibility ensures that users with different types of video doorbells can benefit from it. The transformer continuously converts 110/120V to 24V, 500mA, ensuring consistent power delivery.

The 16.4ft cable is a practical length, allowing flexibility in mounting the doorbell at different heights and distances from an indoor outlet. The adapter's waterproof cable adds an extra layer of durability, making it suitable for outdoor use. Safety is a highlight, with the transformer being certified for stable and long-term use. Installation is straightforward, with non-polarity wires simplifying the process. The inclusion of 10 cable clips helps in neat and secure mounting along walls.

Some users might find the corded electric power source less convenient compared to wireless options. The product also comes with a 30-day money-back guarantee and 24/7 customer support, which is reassuring. While the transformer addresses the power supply needs effectively, users should ensure their doorbell model is listed under compatibility to avoid any issues.

The Newhouse Hardware 16TR Doorbell Transformer is a solid choice for anyone needing to replace an old transformer for a wired door chime. It boasts a 16V/10VA output, suitable for most standard wired doorbells, ensuring reliable performance. One of its standout features is the straightforward installation process. You can easily mount it to an electrical box using a threaded connector or screw it down and connect the wires, making it a user-friendly option even for those with minimal technical skills.

The transformer is UL Certified, which speaks to its safety and quality, adding an extra layer of reassurance for users concerned about durability and safety. Additionally, it's designed to pair seamlessly with Newhouse Hardware's Two Tone chimes, making it a great upgrade option for those looking to enhance their doorbell system.

However, it's important to note that this transformer is not compatible with Ring Pro and other smart video doorbells. Users seeking compatibility with such devices will need to look for a different model. The Newhouse Hardware 16TR is a dependable and easy-to-install option for standard wired door chimes but falls short for those looking to integrate smart doorbell technology.

The Newhouse Hardware 3TRAN Tri-Volt Transformer is a versatile and powerful option for anyone looking to upgrade their doorbell system. It offers three different voltage outputs (8vac/10VA, 16vac/10VA, and 24vac/20VA), making it compatible with a wide range of doorbell brands, including Ring and Nest. This flexibility allows it to power both standard doorbells and more advanced video doorbells effectively. Its input of 120-Volt AC and multiple output options provide sufficient power to eliminate issues often caused by older, underpowered transformers.

The transformer's UL certification adds a layer of safety and reliability. It's designed for surface mounting, which can simplify the installation process for many users. Its compact dimensions (2.63 x 2.56 x 2.25 inches) make it suitable for various installation spaces. However, one potential downside is that it's a corded electric device, which may limit placement options.

Another consideration is that while it pairs well with Newhouse Hardware's Two Tone chimes for a complete doorbell system, users who don't need new chimes might find this feature less relevant. The Newhouse Hardware 3TRAN Tri-Volt Transformer is a robust and adaptable choice for ensuring your doorbell system is adequately powered, particularly if you are upgrading from an older transformer.