Heat pump blowing cold in heat mode could mean defrost trouble, low refrigerant, or a stuck reversing valve

https://felixhznc152.trexgame.net/why-your-hvac-airflow-feels-weak

Heat pump blowing cold in heat mode could mean defrost trouble, low refrigerant, or a stuck reversing valve. Don’t wait—quick diagnostics in Alpharetta can spare you higher bills and longer run times.