在实际操作中，房主的该保费的财务费用将被减额的能源帐单抵销，因此，房主没有理由不想签约。

In practice the financial cost of the premium would be cancelled out for the homeowner by reduced energy bills, so there would be no reason not to sign up.

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及时办理保函的减额，既可以减少保函费用，也可以减少保函风险。

This should be arranged to cut guarantee charges and reduce guarantee risk.

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