ECO™ Hybrid System Named #1 Product of the Year by Plumbing & Mechanical

The ECO™ Hybrid System from Weil‑McLain has been recognized as the #1 Product of the Year for 2025 by Plumbing & Mechanical magazine. This top ranking reflects strong industry interest in hybrid hydronic heating solutions that combine flexibility, efficiency, and readiness for evolving energy codes.

What the Plumbing & Mechanical Product of the Year Ranking Means

Each year, Plumbing & Mechanical publishes its Top 20 Products of the Year, based entirely on real‑time reader engagement. Products are ranked by what contractors, engineers, and facility professionals are actively clicking, researching, and bookmarking on pmmag.com.

Because the list is driven by website pageviews—not editorial opinion—it serves as a real‑world snapshot of the technologies and products gaining traction across the plumbing and HVAC industry. The ECO Hybrid System earning the #1 position highlights growing demand for solutions that support today’s jobsites while preparing for future specifications and customer expectations.

Why Hybrid Hydronic Systems Are Gaining Momentum

Hybrid heating systems are increasingly viewed as a practical path forward for residential applications. By pairing an air‑source heat pump with a high‑efficiency boiler, hybrid hydronic systems offer:

• Fuel flexibility to adapt to energy availability and operating costs
• High efficiency performance across a wide range of outdoor conditions
• Compatibility with existing hydronic distribution systems, making them well suited for retrofits
• A bridge toward electrification, without sacrificing reliable heating in cold climates

These advantages are driving increased interest among HVAC contractors navigating changing energy policies and regional utility considerations.

Inside the ECO™ Hybrid System

The Weil‑McLain ECO Hybrid System integrates the ECO™ HP outdoor heat pump with an indoor heat‑integrating unit and a Weil‑McLain boiler to deliver a coordinated hybrid hydronic solution. The system is designed to optimize performance automatically by leveraging the most efficient heat source, depending on operating conditions.

Key benefits of the ECO Hybrid System include:

• Seamless integration with hydronic heating systems
• Flexible fuel operation to support regional energy needs
• Simplified system configuration and operation
• New opportunities for contractors installing hybrid heating solutions today

Positioned for the Next Wave of Heating Expectations

As specifications and homeowner priorities continue to evolve, hybrid systems are emerging as a viable solution that balances efficiency, performance, and flexibility. The ECO Hybrid System’s #1 ranking reinforces its position as a technology that aligns with where the industry is headed.

Weil‑McLain is proud to see the ECO Hybrid System recognized by the Plumbing & Mechanical audience. We remain committed to supporting contractors with hydronic solutions designed for today and tomorrow.