Ford Repair: 94 ford f150 no heat, heater hoses, ford f150

Question
i replaced the thermostat and still have no heat, what else can i do to get heat.

Answer
first check both heater hoses after truck is warmed up and see if they are hot-if so you probably have a blend door problem inside truck-if one is hot or warm and other is cold you have a clogged heater core-if both are cold you probably have air in the system or low on coolant.