If you want to load products on scroll down, with ajax call, then this extension is best for you


DEMO:
http://dyisol.com/oc3020/index.php?route=common/home



How to Install

login to admin > extension > installer > upload ocmod zip file
Extension > modifications > refresh
Extension > extensions > modules > Home Page Products > install and edit > save
admin > design > layout > apply at which page you want to apply


If you have any issue, email at dyisolco@gmail.com
Support and installation is free