Laars | PRODUCT | Commercial Products

By: Laars Heating Systems  09-12-2011
Keywords: environmentally friendly, Boilers, WATER HEATER


Category I (atmospheric vent) boiler & water heater, separate models for installation indoors & outdoors, 175-400 MBTU


The Mighty Therm2 has been specifically designed to meet the needs of the replacement market by offering simple and straightforward controls with 2-stage firing.

Mighty Therm2 boilers and water heaters feature convenient, modular construction that separates the burner trays, gas train, and blower assembly. All models use lightweight insulation, glass-lined cast iron or bronze headers, and non-ferrous waterways. The 10 tube heat exchanger design uses finned tubing for the quickest and most efficient heat transfer.


High Efficiency, non-condensing boiler & water heater, 1200-2400 MBTU, installs indoors & outdoors, low Nox, Category IV, with modulation

 Rheos - Commercial - Hydronic Boilers

Rheos +

Very High Efficiency, condensing boiler & water heater, 1200-2400 MBTU, low Nox, Category IV, with modulation


Very high efficiency volume water heater, 150-850 MBTU, low Nox, Category IV, with modulation.

U.H.E. "Ultra High Efficiency"

Very high efficiency, condensing water heater, with 60 & 100 gallon storage capacity and up to 399 MBTU


The Pennant line of fan-assisted, modular boilers and water heaters ranks among the industry’s most versatile and environmentally friendly commercial systems for hydronic and hot water applications. Available in 7 sizes from 500 to 2000 MBTU/h, Pennant boilers and water heaters run reliably on natural or LP gas and deliver efficiency levels up to 85%. Pennant systems are also among the “greenest” in the industry with NOx emissions below 10 ppm.

 Pennant - Commercial - Volume Water Heater


Designed to handle multiple, simultaneous hot water draws. EverHot water heaters feature a modulating burner system with inputs ranging from 15,000 to 199,000 BTUs.


Mighty Stack

Commercial water heater, 199, 300 or 399 MBH, with an 80 gallon storage tank in a single cabinet. Rated for Indoor and outdoor service, 83% thermal efficiency and 10 ppm NOx.

Keywords: Boilers, environmentally friendly, Heat Exchanger, Hot Water, hydronic boilers, Tube Heat Exchanger, WATER HEATER

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Laars | PRODUCT | Residential Products

The compact modular design, top or rear venting options and the ability to be installed either indoors or outdoors, results in installation flexibility. Has low NOx emissions and the Energy Star rating; making it an excellent choice for both the environment and the homeowner. Its 95% plus efficiency lowers operating costs and the "zero clearance installation" allows it to fit just about anywhere.