These are the services we will offer as a heating, ventilation and air conditioning (HVAC) company; New construction HVAC installations HVAC system design, including drawings and load calculations Existing structure HVAC installations (i.e. replacements) HVAC maintenance and repairs Air conditioning system installation (except window units) Air vent installation Furnace humidifier installation Duct work (e.g. cooling, dust collection, exhaust, heating and ventilation) installation Ventilation equipment installation Heating and ventilation system component (e.g. air registers, diffusers, and filters) installation Air cleaner installations Ductless split Air conditioners Duct zoning systems HVAC control systems Boiler systems and components (baseboard heaters,circulators,zoning,controls)