Our industry capability is built on deep expertise in complex application scenarios and commercial transaction models, proven through long-term collaboration with leading global organizations:
- 10+ Fortune Global 500 companies in joint development programs
- 30+ industry-leading customers in deep vertical application partnerships
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- 100+ global real estate groups across project-based deployments
These partnerships validate our ability to operate effectively across cultures, languages, industries, and diverse go-to-market channels, delivering reliable solutions in complex global environments.
We are deeply rooted in diverse markets such as commercial buildings, real estate, home living, energy efficiency, and residential renovation. We offer one-stop solutions—from terminal control products to system integration—with rapid customization as our core strength.
By leveraging intelligent connectivity and digital energy-saving technologies, we ensure our clients can stay focused on market development while relying on a partner equally committed to their success.
We don’t just make products — we help our customers become industry leaders.
Global Partner for Innovation and Reliability in HVAC Controls
SASWELL always been our core goal to serve as a solid backing for customers in consolidating their leading position in the market, while providing Fast-customized solutions to high-quality customers worldwide.
Hybrid PLC & RF Communication: Reliable Heat Pump Retrofit in Historic Homes
Mar 05,2026
Zero-Wire Retrofit for Historic Challenges
European historic stone and concrete buildings often block wireless signals, making traditional thermostat installation unreliable.
The hybrid PLC RF controller uses existing 230V power lines for industrial-grade data transmission, complemented by 868MHz RF for areas with poor wireless coverage.
This achieves 100% connectivity without destructive rewiring, reducing labor costs and project risk—an ideal solution for heat pump retrofit historic home projects.
As a professional provider of Heat Pump Controllers, we focus on solving the unique challenges of historic building renovations.
8-Zone Precision Management for Comfort & Efficiency
The master hub manages 8 heating/cooling zones with automatic summer/winter switching, realizing 8-zone heat pump control for precise temperature regulation.
Firmware-based dew point protection prevents condensation during radiant cooling, achieving radiant cooling dew point protection to ensure system safety.
By maintaining a safe supply water temperature, the system ensures comfort and safety across all zones, perfectly matching Radiant Heating & Cooling Solutions for year-round comfort.
ROI & Project Cost Advantages
Zero-wall-cutting installation saves labor and materials, realizing no-wire installation radiant heating and cooling retrofits.
High-density actuator execution per zone reduces hardware costs, optimizing project budget.
Hybrid PLC & RF network minimizes signal failures, reducing maintenance and callbacks.
Result: faster ROI, lower TCO, and enhanced brand reputation for OEMs and installers.
For more detailed technical parameters and case studies, refer to our Heat Pump Retrofit Whitepaper.
Technical Highlights
Hybrid Connectivity: PLC over 230V power lines + RF backup for wireless-restricted areas, ensuring stable communication in all parts of historic buildings.
Seasonal Optimization: Automatic pump and heat pump synergy maximizes SCOP, improving energy efficiency and reducing operating costs.
Matter-Ready: Seamless integration with Apple Home, Google Home, Zigbee ecosystems, making it a Matter-ready hydronic controller for smart home integration.
Application Scenarios
Ideal for premium residential retrofits and B2HP conversion in historic stone or concrete buildings.
Contractors seeking EU ErP compliant retrofit, non-invasive smart control systems for winter heating and summer radiant cooling prefer this solution.