4-Inch Touchscreen Thermostat OEM Service | 7-Day Fast Delivery | HVAC Manufacturer

4-Inch Touchscreen Thermostat OEM Service | 7-Day Fast Delivery | HVAC Manufacturer

SASWELL – Trusted HVAC Manufacturer for 4-Inch Touchscreen Thermostat OEM Service. Experience 7-day sample delivery and 30-day bulk production, designed for brands requiring rapid prototyping and reliable scaling. Our thermostats integrate with smart HVAC systems (heat pumps, radiant heating, VRV/VRF) and support multi-zone control, APP/voice remote, and energy usage reports. With ISO 9001-certified factories (20,000+ daily capacity) and RoHS compliance, we ensure market-ready products within 30 days, tailored to your brand’s UI/UX and regional certifications (CE, ETL, ERP). Ideal for residential and commercial projects, 95%