best tool to pull up wood flooring/floor heating

I need to pull up some new wood flooring that got dammaged by water. I would like to save the good pieces. WHat tool do I need to pull it up?
Also, is there a radiant floor heater that works under solid wood floors?

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file
Upload is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here. All logos and trade names are the property of their respective owners.