Meet the Bosch Inverter Packaged Heat Pump (IDP). With all of the benefits of the Bosch Inverter Split systems in a single package, the IDP offers best-in-class efficiency and comfort. Precise modulation helps minimize energy usage and maximize comfort for homeowners. Our IDP 3T provides up to 4-stage indoor fan control and is mobile home certified for high static. The IDP 5T provides up to 2-stage indoor fan control.It takes traditional systems a long time to reach the homeowner’s desired temperature, while the boosted compressor speed of inverter systems allows for quicker, smoother and more efficient heating and cooling.