The Panasonic
Inverter NN-CD989[S] is part of the
Microwave Ovens test program at
Consumer Reports. In our lab tests, Countertop Microwave Ovens
models like the Inverter NN-CD989[S] are rated on multiple criteria, such as those
listed below.
Heating evenness:
This reflects how evenly a model reheated a dish of cold mashed potatoes.
Defrosting evenness:
This is based on how well the automatic-defrost program defrosted one pound of frozen ground chuck.
Speed of heating:
This score is based on the temperature rise of water heated in the microwave.
![Inverter NN-CD989[S]](https://crdms.images.consumerreports.org/f_auto,w_300/prod/products/cr/models/158536-countertopmicrowaveovens-panasonic-inverternncd989s.jpg)
