Question: Is there a smart HVAC system that integrates with voice assistants like Alexa and Google Home?

If you want a smart HVAC system that works with voice assistants like Alexa and Google Home, the Sensibo Smart Home Climate Control is a good option. Sensibo makes a variety of smart HVAC products, including the Sensibo Air Pro, Sensibo Elements and Sensibo Sky, that let you control your air conditioner or heat pump from afar, monitor indoor air quality and cut energy costs. The devices connect with WiFi and BLE and can be integrated with many smart home systems for voice control.

Another good option is Nabu Casa. This cloud-based service extends Home Assistant with remote access, voice assistant support and text-to-speech. Nabu Casa supports Amazon Alexa, Google Assistant and other voice assistants, and you can use Android, iPhone and other devices to control your Home Assistant instances from anywhere. The service uses encryption to protect data and comes with more than 70 neural voices in different languages and accents, so it's a good option for smart home control.

For a more general-purpose smart home controller, QuickSet offers Interoperability-as-a-Service. The platform lets you easily discover, control and interact with smart home and entertainment devices from multiple companies. QuickSet supports voice assistants and offers a single remote control experience through a mobile app or voice commands, so it's a powerful option for controlling your smart devices.

Last, Tuya is a global cloud platform for building smart products in a variety of markets, including residential and commercial. Tuya offers a range of tools and services, including real-time voice and video, so it's a good option for building and controlling smart devices. It's not specifically geared for HVAC systems, but its broad range of tools and integration abilities make it a good option for building a smart home.