A: Its reversing valve may be stuck. Please tap reversing valve lightly with rubber mallet while unit is in heat mode, call for our salesman if the problem can not be solved.
A:Its air flow is blocked. Please remove any obstructions in return air stream, clean returen air filter and grille. Check for crushed or restricted ducting, ducting must be as straight, smooth and taut as possible.
A: All the product is guarantee for one year.And we will supply the technical support after the warranty time. You can contact us for issues 24 hours each day online.
A: packed in Wooden , can customized different logo according to customers' requirements.
If you have any other questions,you can leave us message or inquiry then we will contact you. Or you can directly call us or send us direct mail or fax to consult us.