Bosch-080513-body.jpgIn an effort to improve indoor air quality and save energy, Bosch Thermotechnology Corp. has introduced a new portfolio of IAQ accessories for integration with its Greensource line of geothermal heat pumps or other compatible HVAC systems. The accessories include humidifier, photo-catalytic oxidizer, carbon and potassium-permanganate filters, smoke detector, fresh air dampers, and touchscreen thermostats.