ventilation, ductwork, refrigeration units, rooftop units, boilers, water heaters, heat pumps, fan coils, and air conditioning equipment, as well as cleaning and repair of exhaust, dryer, and grill vents. Armanch also offers diagnostic inspections, emergency repairs, and HVAC property reports to assess system condition and efficiency. In addition to service work, it develops hybrid heat pump solutions that combine space heating, cooling, domestic hot water, and hydronic heating functions in a single unit.