It would be helpful if there were more than two options for climate zones when using Labs21 benchmark: 1) site zone 2) the nation. If there are not enough peer buildings in 1), you are forced to use 2) the national database. There are several climates that are relatively similar in the west that a similarity algorithm needs to be developed when not enough buildings are in a climate zone. It would make a lot more sense to compare buildings in Reno and Sacramento than Reno and Sacramento, Houston and Minneapolis as with the national pool. This algorithm would compare heating and cooling degree days with a dew point factor included and solar loading, for example. A list of secondary comparable climate zones as an intermediate filter would be helpful.