Trans/Air’s new TA-20 Rooftop product line features rooftop units characterized by powerful cooling capacity as well as a distinctive aerodynamic design, according to the supplier. Rated at 34K Btu/hr, the TA-20 product line is suitable for a variety of applications, including Type A school buses, small commercial buses and work vans, company officials said. The rooftop units feature an aluminum body encased by UV-protected ABS acrylic cover and evaporator blowers oriented to support center aisle ducting or freeblow air distribution with maximum air flow. The TA-20 can be configured as a tie-in or super system and is available with optional heat and electronic controls.