Heater blows cold air

Good morning,

The odds of having two blend door motors fail at once are light getting struck by lightning.

https://www.2carpros.com/articles/car-heater-not-working

The first thing I would do is to remove the hoses from the front and flush out the heater core. Use a garden hose to flush back and forth until all debris is gone and there is an even flow. If that does not work, good chance you will need a heater core.

https://www.2carpros.com/articles/replace-heater-core

Roy