If you're looking for a product to convert your dumb air conditioner into a smart one, Sensibo Smart Home Climate Control is a good choice. The company has a range of smart HVAC products that let you control air conditioners and heat pumps remotely, monitor indoor air quality, and cut energy bills up to 40%. The devices work with lots of air conditioners and heat pumps, are small, and connect over WiFi or BLE, so they're relatively easy to set up and integrate with common smart home systems.
Another versatile foundation is Tuya, a global cloud service company that lets anyone build smart products in many markets. TuyaOS, its distributed IoT operating system, and a collection of developer tools make it easy to build and customize smart devices. The platform accommodates different development situations and has a strong focus on security and compliance, so it's a good choice for your smart home needs.
If you want a more complete smart home package, check out Ayla Networks. This end-to-end IoT platform supports a broad range of smart devices, including thermostats and HVAC systems. Its modular design and support for multiple IoT platforms means Ayla Networks can help you quickly expand your product lines while keeping control over your data and user experience.