We invite you to learn about Laars, and about our extensive line of hydronic boilers, water heaters and combination models. LAARS Products - Proudly Made in USA. Mascot II - Wall-Mounted Combination Boiler and WaterHeater. Mighty-Therm®2-Commercial Hydronic Boilers and Water Heaters. NeoTherm®-Commercial and Residential Modulating, Condensing Boilers. Pennant-Commercial Boilers and Water Heaters. Mini-Therm-Residential Hydronic Boiler. UHE™-Ultra High Efficiency Commercial Water Heater. Endurance-Hydronic boiler and Combination Boiler/Water Heater.