PHOENIX - Air-conditioning crews are working just as hard as your cooling unit this time of year.
Mike Donley of Donley Plumbing & Air Conditioning woke up early on ABC15 Mornings to show what it's like to work up in a hot attic. Crews working in attics this time of year can encounter temperatures in the 130s -- even 140s -- on extreme heat days.
Donley also shared his top five signs your A/C unit may be in trouble or need a repair soon:
Loud knocking or noises from unit
Warm or less cool than normal air out of vents in house
Bad or strange odor
Moisture/dripping around unit
AC keeps turning on and off for no reason
If you notice any of those signs, you should call an air-conditioning repair company.