class AirConditionerUse < ActiveRecord::Base set_primary_key :name has_many :residences has_many :residential_energy_consumption_survey_responses falls_back_on :fugitive_emission => 0.102295.pounds_per_square_foot.to(:kilograms_per_square_metre), # https://brighterplanet.sifterapp.com/projects/30/issues/430 :fugitive_emission_units => 'kilograms_per_square_metre' data_miner do tap "Brighter Planet's air conditioner use data", Earth.taps_server end end