diff --git a/core/th7/service.go b/core/th7/service.go
index 8f1c249..9a2cac3 100644
--- a/core/th7/service.go
+++ b/core/th7/service.go
@@ -93,7 +93,7 @@ func startCacheService(t *TH7Adapter) {
 					cjc_uv = 0.0
 				}
 
-				data[k].Value -= cjc_uv
+				data[k].Value += cjc_uv
 
 			}
 			// CJC can not be applied
@@ -123,6 +123,12 @@ func startCacheService(t *TH7Adapter) {
 
 				}
 
+				// temp conv if any is applied ... add offset
+				// offset is specified in the same temperature unit
+				// as is specified for the channel
+				// ie if unit = F then the offset counts in unit F also.
+				data[k].Value += t.cfg.Channels[k].Offset
+
 			}
 
 		}