diff --git a/app/assets/javascripts/discourse/components/posts-count-column.js.es6 b/app/assets/javascripts/discourse/components/posts-count-column.js.es6
index b4b71f2971..94dab2bc86 100644
--- a/app/assets/javascripts/discourse/components/posts-count-column.js.es6
+++ b/app/assets/javascripts/discourse/components/posts-count-column.js.es6
@@ -22,9 +22,9 @@ export default Ember.Component.extend({
   ratioText: function() {
     var ratio = this.get('ratio');
 
-    if (ratio > 2.0) { return 'high'; }
-    if (ratio > 1.0) { return 'med'; }
-    if (ratio > 0.5) { return 'low'; }
+    if (ratio > Discourse.SiteSettings.topic_post_like_heat_high) { return 'high'; }
+    if (ratio > Discourse.SiteSettings.topic_post_like_heat_medium) { return 'med'; }
+    if (ratio > Discourse.SiteSettings.topic_post_like_heat_low) { return 'low'; }
     return '';
   }.property('ratio'),
 
diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 36bcb666a7..d76574e955 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -890,6 +890,10 @@ en:
     topic_views_heat_medium: "After this many views, the topic is moderately highlighted."
     topic_views_heat_high: "After this many views, the topic is strongly highlighted."
 
+    topic_post_like_heat_low: "A post with this likes:post ratio is slightly highlighted."
+    topic_post_like_heat_medium: "A post with this likes:post ratio is slightly highlighted."
+    topic_post_like_heat_high: "A post with this likes:post ratio is slightly highlighted."
+
     faq_url: "If you have a FAQ hosted elsewhere that you want to use, provide the full URL here."
     tos_url: "If you have a Terms of Service document hosted elsewhere that you want to use, provide the full URL here."
     privacy_policy_url: "If you have a Privacy Policy document hosted elsewhere that you want to use, provide the full URL here."
diff --git a/config/site_settings.yml b/config/site_settings.yml
index 10820894d3..ed4f22cb51 100644
--- a/config/site_settings.yml
+++ b/config/site_settings.yml
@@ -670,6 +670,17 @@ uncategorized:
     client: true
     default: 5000
 
+  # Post/Like heat thresholds
+  topic_post_like_heat_low:
+    client: true
+    default: 0.5
+  topic_post_like_heat_medium:
+    client: true
+    default: 1.0
+  topic_post_like_heat_high:
+    client: true
+    default: 2.0
+
   # Warnings
   educate_until_posts: 2
   sequential_replies_threshold: 2
diff --git a/lib/site_setting_extension.rb b/lib/site_setting_extension.rb
index 31a18c97c0..686e513699 100644
--- a/lib/site_setting_extension.rb
+++ b/lib/site_setting_extension.rb
@@ -317,6 +317,8 @@ module SiteSettingExtension
       types[:string]
     when Fixnum
       types[:fixnum]
+    when Float
+      types[:float]
     when TrueClass, FalseClass
       types[:bool]
     else