When spring starts warming up in Dothan, Alabama, the phones start ringing. Homeowners in Enterprise, Ozark, Headland, Daleville, Midland City, Newton, and Cottonwood all begin switching their thermostats from heat to cool. That first hot, humid day hits — and suddenly the air conditioner won’t turn on, isn’t cooling properly, or is blowing warm air. The good news? Most of those emergency calls could have been prevented with a simple pre-season A/C tune-up. At Eco Heating and