Granz microwave ovens are one of the common kitchen appliances used in homes, and if they break down and need to be repaired then you will need to pay a certain amount of money for the repair. However, the exact cost will depend on the malfunction.

First of all, the cost of repairing a Grants microwave oven is related to the type of malfunction. For example, if it is a simple power line failure, it may only need to replace the power line to solve the problem, the cost will not be too high; if it is the microwave oven's high voltage parts failure, then need to replace the high voltage parts, the cost may be higher.

Secondly, the cost is also related to the repair service provider. Different repair service providers charge different rates, some service providers charge more and some are more reasonable.

Lastly, there is the cost of parts to consider. If the repair requires replacement parts, then the cost of repair will also increase.

Overall, the cost of repairing a Grants microwave oven is not too expensive, usually above $300. However, before the repair, it is recommended to understand the fault and compare with several repair service providers to choose the right one for the repair. At the same time, in the usual use of microwave ovens should pay attention to the correct use of the method, you can extend the service life of the microwave oven.