I thought this bit of code might work, but...it didn't Any ideas?
<% if "/"? %>
<%= render 'layouts/homeHeader' %>
<% else %>
<%= render 'layouts/header' %>
<% end %>
According to this answer you can do this:
<% if current_page?(root_url) %>
<%= render 'layouts/homeHeader' %>
<% else %>
<%= render 'layouts/header' %>
<% end %>