As the saying goes, the proof is in the pudding, well I have it and want to share it. Ten years ago, Avesta started to question the over engineered approach to energy savings. Redundancy and complicated mechanical systems made managing a project costly and difficult for staff. Was there another way to improve operational savings and simultaneously improve resident comfort? Let's face it, who doesn't want to have indoor air temperatures like Cancun, everyday? We started looking at simplifying the mechanicals in favor of detailed air sealing and insulation as a better solution. After a five-year period, we analyzed the data using the usage data from local utilities to see if our approach made "cents" (not a typo). The results yielded energy & usage reductions between 33% - 66% from older building stock. This presentation is important for the casual observer and the high-level practitioner to see that building science approaches work in conjunction with efficient mechanical design to achieve a high-performance building. Design teams need to see this for when they meet new clients to assure them that the approach works.