A method for displaying real-time impact analysis feedback of an architectural structure design, comprising: displaying pictorial representations of a heating load and a cooling load of the architectural structure design; displaying one or more building component contributors to the heating and cooling loads of the architectural structure design, a building component contributor being a design element that may have an impact on the heating and/or cooling load; for each of the one or more building component contributors to the heating load, displaying a first visual connector, the first visual connector visually indicating an impact of each of the one or more building component contributors to the heating load of the architectural structure design; for each of the one or more building component contributors to the cooling load, displaying a second visual connector, the second visual connector visually indicating an impact of each of the one or more building component contributors to the cooling load of the architectural structure design; accepting input from a user, the input effectuating a design change to the architectural structure relating to one or more building component contributors and affecting a parameter value of a building component contributor; generating delta data reflecting one or more design differences between a previous state of the architectural structure design and the architectural structure design as changed by the user input; providing the delta data via a computer network to a server; receiving, from the server, data reflecting a change in impact on the cooling load and the heating load caused by the one or more design differences; and in response to the data received from the server, simultaneously modifying the heating load representation and the cooling load representation to reflect the impact of the change in the parameter value on the heating load and cooling load of the architectural structure design. displaying pictorial representations of a heating load and a cooling load of the architectural structure design; displaying one or more building component contributors to the heating and cooling loads of the architectural structure design, a building component contributor being a design element that may have an impact on the heating and/or cooling load; for each of the one or more building component contributors to the heating load, displaying a first visual connector, the first visual connector visually indicating an impact of each of the one or more building component contributors to the heating load of the architectural structure design; for each of the one or more building component contributors to the cooling load, displaying a second visual connector, the second visual connector visually indicating an impact of each of the one or more building component contributors to the cooling load of the architectural structure design; accepting input from a user, the input effectuating a design change to the architectural structure relating to one or more building component contributors and affecting a parameter value of a building component contributor; generating delta data reflecting one or more design differences between a previous state of the architectural structure design and the architectural structure design as changed by the user input; providing the delta data via a computer network to a server; receiving, from the server, data reflecting a change in impact on the cooling load and the heating load caused by the one or more design differences; and in response to the data received from the server, simultaneously modifying the heating load representation and the cooling load representation to reflect the impact of the change in the parameter value on the heating load and cooling load of the architectural structure design. <EOS>