Also check the main water heater control valve, it's the valve with the thermostat on, that maybe what is malfunctioning causing it to shut down.

A fridge malfunction is an emergency because tenants can loose their food. 

Also, If your properties are underinsulated they will gain heat faster in the case of hvac malfunction in 100 degree heat.

If carbon monoxide detection is not provided, carbon monoxide detectors should be installed to eliminate a potential safety hazard in the event that the gas appliances malfunction and do not function properly.

Whenever something broke or malfunctioned, I would take it apart in my garage, research what's wrong and try to fix it (or at least give it a good effort before asking for some expert help).

Then the furnace malfunctions and carbon monoxide leaks into the building, killing multiple people.

Will Landlord assume responsibility for malfunctioning appliances?

Therefore, we believe that the 10-year water meter has some problems.We suspect that there are some malfunctions with the water meter.

Therefore, we believe that the 10-year water meter has some problems.We suspect that there are some malfunctions with the water meter.

Like a sub-meter, this device detects leaks and other toilet malfunctions while also recording abnormal usage and abuse by tenants.Concern about water use is a worldwide issue.