{"niche":"市场上最安静的智能恒温器是哪一款？","description":"What is the quietest smart thermostat available in the market?","products":[{"brand":"Google Nest","model":"Google Nest Learning Thermostat 4th Gen","price_gbp":174.17,"origin_country":null,"specs":{"remote_access":"For remote control: Wi-Fi internet connection; Nest app","voice_control":"Voice control via Google Home app and other Matter-enabled voice assistants","temperature_range":"32 to 104F","energy_consumption":"Less than 1 kWh/month","learning_capabilities":"Smart Schedule learns the temps you like, and when you like them","smart_assistant_compatibility":"Google Home; Matter-enabled apps; voice assistants"},"confidence_score":null,"sources":[{"label":"Google Store","url":"https://store.google.com/product/nest_learning_thermostat_4th_gen?hl=en-US","currency":"USD","source_country":"US","price":239.99,"price_gbp":181.75,"scraped_at":"2026-06-24T20:18:30.387891"},{"label":"Home Depot","url":"https://www.homedepot.com/p/Google-Nest-Learning-Thermostat-4th-Gen-with-Nest-Temperature-Sensor-2nd-Gen-Polished-Obsidian-GA05169-US/330451443","currency":"USD","source_country":"US","price":229.99,"price_gbp":174.17,"scraped_at":"2026-06-24T20:18:30.387891"},{"label":"Best Buy","url":"https://www.bestbuy.com/product/google-nest-learning-thermostat-4th-gen-with-nest-temperature-sensor-2nd-gen-polished-obsidian/JJ8T5CCSRJ","currency":"USD","source_country":"US","price":239.99,"price_gbp":181.75,"scraped_at":"2026-06-24T20:18:30.387891"},{"label":"Google Store","url":"https://store.google.com/product/nest_learning_thermostat_4th_gen?hl=en-US","currency":"USD","source_country":"US","price":239.99,"price_gbp":181.75,"scraped_at":"2026-06-24T20:18:32.557455"},{"label":"Home Depot","url":"https://www.homedepot.com/p/Google-Nest-Learning-Thermostat-4th-Gen-with-Nest-Temperature-Sensor-2nd-Gen-Polished-Obsidian-GA05169-US/330451443","currency":"USD","source_country":"US","price":229.99,"price_gbp":174.17,"scraped_at":"2026-06-24T20:18:32.557455"},{"label":"Best Buy","url":"https://www.bestbuy.com/product/google-nest-learning-thermostat-4th-gen-with-nest-temperature-sensor-2nd-gen-polished-obsidian/JJ8T5CCSRJ","currency":"USD","source_country":"US","price":239.99,"price_gbp":181.75,"scraped_at":"2026-06-24T20:18:32.557455"}],"summary":"The Nest Learning Thermostat (4th gen) learns your temperature preferences with Smart Schedule and helps manage comfort and energy use. It includes a Nest Temperature Sensor (2nd gen) to help with hot and cold spots, and it lets you control settings from anywhere with the Nest app. It supports Google Home and Matter-enabled apps and voice assistants.","ideal_for":"For the quietest smart thermostat available, this model is a learning thermostat that supports system-level control and integrates with Google Home and Matter voice assistants, which avoids adding any separate loud external control unit since it is controlled through the app/assistants."}]}