For multiple fans you must wire them in parallel. Mount the remotes side by side on the wall and label them 1 2 3 4 and let that be that.

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Multiple ceiling fans on one switch. Whats people lookup in this blog. The dimmer capability with these fans will also help add to the chaos of 1 universal code andor remote. Make three way splices between the red black white and bare ground wires of the first fan with their corresponding branch circuit wires and the wires from the 123. Trying to connect 2 ceiling fans 1 switch electrical diy how to wire a ceiling fan the how to wire a ceiling fan the installing ceiling fan switches. But if the ec had installed 300w industrial or commercial fans then thats 900w. Give each fan its own remote and its own code.
So as was said just look at the rating of the fans and make sure the speed controller is rated for 4x the fan power more is better. Exhaust fan multiple ceiling paddle fans incandescenthalogen light quiet 3 speed fan control light switch slider controls 3 fan speed settings with onoff light switch. At first glance its only 7 12a on a 15a switch but that 900w is also 12hp and the switch will start to burn up when switching on and off. The fans in my house do not always respond with the first push of a button. Wiring two ceiling fans one switch diagram. Reinstall the ceiling fans.