diff --git a/ontology/yaml/resources/HVAC/entity_types/MAU.yaml b/ontology/yaml/resources/HVAC/entity_types/MAU.yaml
index 8d36863bc4..094f327532 100644
--- a/ontology/yaml/resources/HVAC/entity_types/MAU.yaml
+++ b/ontology/yaml/resources/HVAC/entity_types/MAU.yaml
@@ -668,6 +668,18 @@ MAU_DFSS_DFVSC_HWDDC_DX2DDC_ZTM_DFM:
   - ZTM
   - DFM
 
+MAU_SFSS_SFVSC_HWSC_CHWSC_FDPM2X:
+  description: "Makeup air unit with heating and cooling."
+  is_canonical: true
+  implements:
+  - MAU
+  - SFSS
+  - SFVSC
+  - HWSC
+  - CHWSC
+  - FDPM2X
+
+
 ############################
 ###   Remap These Types  ###
 ############################