http://www.houzz.com/buttonsAndBadges/page=houzzbutton

gistfile1.txt

<a class="houzz-share-button" 
   data-url="http://www.yoursite.com/product/page/ " 
   data-hzid="Your HZID" 
   data-title="Product Title as it will be seen inside Houzz " 
   data-img="http://yoursite/path/to/product/image.jpg " 
   data-desc="Product description text " 
   data-category="Category keywords " 
   data-showcount="1 " 
   href="http://www.houzz.com">Houzz</a>
<script>(function(d,s,id){if(!d.getElementById(id)){var js=d.createElement(s);js.id=id;js.async=true;js.src="//platform.houzz.com/js/widgets.js?"+(new Date().getTime());var ss=d.getElementsByTagName(s)[0];ss.parentNode.insertBefore(js,ss);}})(document,"script","houzzwidget-js");</script>