Contact the Floor Jack rep at the corporation that manufactures. They should have a list of vendors and send you proper installation standards. Best of Luck. Also we would recommend a structural engin ... read more
Contact the HVAC manufacture i.e. Goodman, carrier...ect also and notify them to iniaite a warraty log and ask them for assistance. If you have a NEW HOME book from the builder it should list the HVAC ... read more