marks the origin of the company when it was first established in Chicago.
1918 Rebranded
Rebranding Year
expanded operations by acquiring J.H. McLain, leading to the current name.
2025 Refresh
Modernization Effort
undertook a significant brand refresh to emphasize legacy and innovation.
95% Efficiency
Boiler Performance
sets a high standard for boiler efficiency with the Evergreen model.
Culture + Values
Environment + Sustainability
$600 tax credit
Residential boiler incentives
Qualifies for a federal tax credit of up to $600 from 2023 to 2026 for installing B20-certified residential oil boilers.
COP 5.37
Hybrid heat pump efficiency
ECOâ„¢ HP hybrid heat pump achieves a coefficient of performance (COP) of up to 5.37, combining electric heat pump and gas boiler for reduced carbon footprint.
87% thermal efficiency
Commercial boiler performance
2023 commercial boilers (LGB Series 3 & 88 Series 3) achieve DOE-mandated thermal efficiencies up to 87%.
5x efficiency
Hybrid system improvement
Hybrid ECOâ„¢ HP system offers up to five times greater efficiency than traditional boilers across varied climates.