To limit the probability that, where multiple HVAC systems are installed in the reference house, the electrical consumption of HVAC equipment will be inappropriately set, which could lead to inaccuracy of the model, which could lead to overestimation of the energy used by the reference building or underestimation of the energy used by the proposed building, which could lead to excessive use of energy, which could lead to an unacceptable effect on the environment.
Intent for 9.36.5.11.(13): To limit the probability that the energy model calculation method will not accurately or appropriately account for the energy required to power the fans in a proposed house with multiple HVAC systems, which could lead to inaccuracy of the model, which could lead to underestimation of the energy used by the proposed building, which could lead to excessive use of energy, which could lead to an unacceptable effect on the environment.