40 Custom manufacture of heating, ventilation, and air conditioning equipment for commercial and industrial applications, namely, air handlers, humidifiers, dehumidifiers, air filters, air flow control valves, diffusers, and energy recovery products, namely, heat exchangers, alternating mass heat exchangers, regenerative bed heat exchangers, heat pipes, rotary energy recovery wheels, run-around recovery loops, and heat recovery ventilators, heating, ventilating and air-conditioning equipment and systems for commercial and industrial applications comprised of one more of air handlers, humidifiers, dehumidifiers, air filters, air flow control valves, diffusers, and energy recovery products, namely, heat exchangers, alternating mass heat exchangers, regenerative bed heat exchangers, heat pipes, rotary energy recovery wheels, run-around recovery loops, and heat recovery ventilators, controls for heating, ventilation, and air conditioning equipment and systems for commercial and industrial applications, namely, pneumatic and electronic controllers and sensors for measuring and controlling air temperature, air pressure, air composition and humidity, and control systems for heating, ventilation, and air conditioning equipment and systems for commercial and industrial applications, namely, control systems comprised of one or more pneumatic or electronic controllers and sensors for measuring and controlling air temperature, air pressure, air composition and humidity; Technical consulting services regarding the custom manufacturing of heating, ventilation, and air conditioning equipment for commercial and industrial applications, namely, air handlers, humidifiers, dehumidifiers, air filters, air flow control valves, diffusers, and energy recovery products, namely, heat exchangers, alternating mass heat exchangers, regenerative bed heat exchangers, heat pipes, rotary energy recovery wheels, run-around recovery loops, and heat recovery ventilators, heating, ventilating and air-conditioning equipment and systems for indoor agriculture applications comprised of one more of air handlers, humidifiers, dehumidifiers, air filters, air flow control valves, diffusers, and energy recovery products, namely, heat exchangers, alternating mass heat exchangers, regenerative bed heat exchangers, heat pipes, rotary energy recovery wheels, run-around recovery loops, and heat recovery ventilators, controls for heating, ventilation, and air conditioning equipment and systems for commercial and industrial applications, namely, pneumatic and electronic controllers and sensors for measuring and controlling air temperature, air pressure, air composition and humidity, and control systems for heating, ventilation, and air conditioning equipment and systems for commercial and industrial applications, namely, control systems comprised of one or more pneumatic or electronic controllers and sensors for measuring and controlling air temperature, air pressure, air composition and humidity