lib/tbd/psi.rb in tbd-3.2.0 vs lib/tbd/psi.rb in tbd-3.2.1

@@ -973,12 +973,13 @@
           free = heat[:spt] && heat[:spt] < -40 && cool[:spt] && cool[:spt] > 40
           surface[:conditioned] = false if free
         end
       end
 
-      surface[:heating] = heat[:spt] if heat[:spt]  # if valid heating setpoints
-      surface[:cooling] = cool[:spt] if cool[:spt]  # if valid cooling setpoints
+      # Recover if valid setpoints.
+      surface[:heating] = heat[:spt] if heat && heat[:spt]
+      surface[:cooling] = cool[:spt] if cool && cool[:spt]
 
       tbd[:surfaces][s.nameString] = surface
     end                                            # (opaque) surfaces populated
 
     return empty("TBD surfaces", mth, ERR, tbd) if tbd[:surfaces].empty?
@@ -1484,10 +1485,10 @@
           balcony = true if shades.key?(i)
         end
 
         edge[:surfaces].keys.each do |i|
           break     if is[:rimjoist] || is[:balcony]
-          break unless deratables.size == 2
+          break unless deratables.size > 0
           break     if floors.key?(id)
           next      if i == id
           next  unless floors.key?(i)
           next  unless floors[i].key?(:conditioned)
           next  unless floors[i][:conditioned]