An unbonded loosefill insulation system configured to provide blown loosefill insulation material is provided. The system includes a blowing insulation machine configured to condition and distribute loosefill insulation from a package of compressed loosefill insulation. The blowing insulation machine is further configured to have pre-set and fixed operating parameters. An unbonded loosefill insulation material is configured for use with the blowing insulation machine. The pre-set and fixed operating parameters of the blowing insulation machine are tuned to combine with the unbonded loosefill insulation materials to provide blown loosefill insulation material having specific insulative values.