I turned on my central heat/air unit on after a couple days of not using it and it made a funny noise and we didn't relly think nothing of it. We\hen we realized it wasn't blowing air out we check and the coils were frozen. Now the blower won't move and we don't have any air.

Your problem is due to low air flow due to dirty coils and blower or blower not working, or clogged air filter. Fixing this problem was my specialty when I was in business. You have to remove the blower and remove the wheel to clean, keeping motor dry. Then you need to put coil cleaner on coils and wash out coil with a pressure washer, or sometimes with water hose on a 2 1/2 ton ac. You need alkali coil cleaner diluted 1 part cleaner to 3 parts water to get best results. Spray on with pump sprayer and wash off with water. Never use so-called no rinse coil cleaners - they do nothing. Vacuum up water with wet vac. Clean drain pan and clean out drain line which you may want to cut to clean out then glue back together with a PVC fitting and PVC glue. When finished your AC unit will be like new. This should be done once a year. Look on YouTube to see how to do this. DrTom4444