LM Series - Two Stage High Efficiency
LM Series - Two Stage High Efficiency

Water Source Heat Pump - Water-to-Air

LM Series - Two Stage High Efficiency

Best in class efficiency and comfort with dual stage single scroll compressor and ECM motor.

At a glance

  • Best-in-class 2-stage efficiency
  • 2 to 6 tons
  • Best-in-class sound levels and quiet operation
  • Robust and durable construction



The LM Model is a cost-effective two stage water source heat pump designed for commercial retrofit and new construction applications.

Quiet Operation

All panels are insulated with 1/2" thick, 1.5 lb./cu.ft. density micromat fiberglass insulation as standard for both thermal insulation and noise reduction.

Environmentally Friendly

These highly efficient units not only reduce your operating cost, but play their part in reducing carbon dioxide emissions, a leading cause of global warming.


Rigorous factory testing virtually guarantees hassle free operation from the start, while over 40 years of experience in designing heat pumps for commercial applications are your assurance of a state of the art quality product.

Technical Documents