Bosch Thermotechnology announces its first Inverter Ducked Packaged air-source heat pump system. The IDP offers peak efficiency and compressor technology, all within a single unit, Bosch notes. The IDP is one of three new additions to the company’s cooling portfolio this summer, and is ideal for residential and light commercial installations. Unit highlights include 19 SEER, 12.5 EER and 10 HSPF, plus two-stage x13 ECM blower for enhanced humidity control. Bosch Thermotechnology.