Tenant asking me to cover high utility bill

[Shane Woodman]

I have a utility bill question. My tenants are required to pay their electric bills. However, my HVAC unit needed a part so the tenants ran on emergency heat for 12 days. This has the unit run off the main power source. As a result, the electric bill was $100 higher than usual. Should I pay for the $100? My gut says yes, but I don’t want them coming to me every time they have a high bill.

Thanks for the help!