The Colorado Energy Office convened the Energy Code Board on April 27, 2025, to discuss the Low Energy and Carbon Code, focusing on the adoption and implementation of energy-efficient building practices. Key discussions revolved around the challenges and successes of the Zero Energy Ready Home program and the various pathways available for builders.

One significant point raised was the low uptake of the photovoltaic (PV) pathway, with participants expressing uncertainty about why builders are not opting for this option. The conversation highlighted the complexity of administrative processes involved in energy code compliance, particularly regarding window-to-wall area ratios, which can deter builders from pursuing certain pathways.

The board noted a marked increase in large custom homes in Boulder County, particularly following the Marshall Fire, which has influenced the development of alternative pathways to accommodate these larger structures. Builders have shown a preference for the prescriptive pathway, which provides clear guidelines, over performance-based options that require more complex energy modeling.

Feedback from the builder community indicated initial resistance to the Zero Energy Ready requirements, particularly during the rollout in early 2020. However, as builders became more familiar with the standards and received necessary training, pushback has diminished. The board acknowledged the need for ongoing education and support to ensure builders feel confident in implementing new energy-efficient practices.

Concerns about wall assembly and moisture management were also prominent in the discussions. Builders expressed apprehension about the risks associated with continuous insulation and moisture control, emphasizing the importance of proper education on building science to alleviate these fears.

The meeting concluded with a call for enhanced outreach and training opportunities to better equip builders with the knowledge and resources needed to successfully navigate the evolving energy codes. The board aims to foster a collaborative environment where builders can share experiences and best practices, ultimately leading to improved energy efficiency in Colorado's building sector.