BuildingEnergy Boston 2022 Conference Sessions

Solid mass masonry buildings are a significant fraction of the existing building stock, and many contribute to the historic fabric of neighborhoods. However, with wall R-values of R-3 to R-5, they do not meet modern standards for energy efficiency and comfort.  Insulating these buildings successfully—without causing long-term damage—is a vital part of the ‘toolkit’ for meeting energy and climate goals.

Transform your practice by taking responsibility for the carbon footprint of your work. This session reviews existing tools and frameworks, from planning scale to site and garden design, integrating metrics from both architecture and landscape design, including Sasaki's new Carbon Conscience: Embodied Carbon Planning Tool incorporating both architecture and landscape at the site planning level. Panelists will share their findings from translating primary research into accessible tools and best practices, with examples from planning, architecture and landscape projects.

Bowdoin College is currently constructing a pair of connected campus buildings, both with mass timber structures. Located in the Pine Tree State, the project is ironically using timber sourced overseas.

Multifamily Passive House new construction can be built today for low incremental cost and dramatic energy reduction. Join us for a review of eight affordable passive house projects, demonstrating that Passive House buildings in the Northeast are regularly achieving 60% to 80% lower energy use per square foot than code-built. Learn what has been hardest, what has been surprisingly easy, and what teams would do differently next time from two affordable Passive House projects built in Massachusetts: SquirrelWood in Cambridge and Harbor Village in Gloucester.

The Lloyd Center for the Environment is an environmental education building on a coastal nature preserve. This building is pursuing the most stringent environmental certification – LBC – and it is being constructed by students from Greater New Bedford Vocational Technical High School.

Most of our existing buildings are already constructed with fossil fuels as the heat source. In this session, BEC will demonstrate the successes of retrofitting high performance electrification, through real projects in various phases from design to completion. Following that, we will focus on multifamily design considerations for all-electric hot water systems, including central air to water heat pump options, central VRF hot water plants, and distributed heat pump water heaters.

As buildings become part of the climate change solution, more building professionals and their customers want to know how they can reduce carbon emissions in home retrofits. The presenters conducted a research study to answer this question by assessing the net carbon impact of insulation and air sealing upgrades when accounting for both embodied carbon emissions of materials and operational carbon reductions associated with weatherization upgrades.

As the nation strives for carbon neutrality by 2050, the role of the building sector is both critical and often overlooked. As clients, manufacturers, designers, engineers, constructors and operators, we know that the most cost-effective carbon saving solutions are those in the built environment, and that those solutions can dramatically improve quality of life and address longstanding inequities. We also know that “environmental surfing” for daylight, fresh air, passive heating, and natural cooling is key for our sustained health and the health of the planet.

The Design for Freedom Initiative is raising awareness about the pervasiveness of forced and child labor in the construction supply chain. The materials that go into our buildings are heavily reliant on slave labor.  We’ll explore the risks and highlight ways you can shape your practice to address this pressing humanitarian issue as part of your social equity goals.  Learn about the tools and resources available to use in advocacy, internal operations, client conversations, and pilot projects.

Over the past two years, Massachusetts and its consultant team has studied cost-effective commercial building approaches aligned with climate goals. This session will present a building-level review of the analysis done to inform Massachusetts’s upcoming stretch energy code and municipal opt-in stretch code. We will focus on a) Thermal Energy Demand Intensity (TEDI), b) critical role of envelope, thermal bridges, and air infiltrations, c) implications to carbon emission and fossil fuel use, and d) cost optimization for different commercial building types.

While Massachusetts  and many communities have made commitments to achieve carbon neutrality by 2050, Boston and Cambridge specifically are on the leading edge of implementing requirements around existing building emission reductions. Emissions tracking has started to move building owners toward benchmarking their carbon impact and developing long-term plans for compliance, with an eye toward minimizing costs.

Affordable housing is key to bringing equity to disadvantaged communities. In Boston, the Department of Neighborhood Development (DND) design guidelines are pushing affordable housing with strict requirements that are equal to Passive House performance standards.

How can the residents of “Energy Town, USA” meet their carbon emissions reduction goal in a way that lifts up their entire community? Working interactively and collaboratively in small breakout groups, participants in this workshop will develop innovative solutions to this challenge.

As facilitators, NEEP staff will guide each group with best practices and deep knowledge from their own work in various communities across the Northeast. Context points from real towns will be shared regarding building stock, homebuyer markets, economic parameters, and more.

What would it take for us in the green building movement to get the owners and builders who are still building to code minimums to join us? This interactive discussion will focus on incentives, the true overall cost add to make a building more climate conscious, and avenues that can help reach those who are not “in”. Our panel will include a developer who is undoubtedly “in” as well as a mechanical designer who often works with those who are not. We often preach to the choir; this panel will challenge you to think about how we get the rest of the market.

In recent years both Boston and New York City have officially declared racism to be a public health crisis. In this moderated panel discussion, you'll hear from a group of diverse speakers that represent various aspects of the building industry. Through the lens of building science, consulting, outdoor spaces, healthy materials, policy, and medical backgrounds, we will explore and unpack how race, geography, and economics intersect in the area of healthy housing.

Buildings and deforestation together produce 50% of global carbon emissions. This session will address how climate-smart forestry and sustainable agriculture can store carbon in ecological landscapes and generate wood and plant-based building materials that reduce embodied carbon in buildings. Key topics include a proposed strategy to double carbon sequestration by global forests, and an assessment of the validity of biogenic carbon claims with an expanded Life Cycle Analysis.

Sustainability in lighting is usually linked to energy use only, but it is time to face the real challenges of quantifying the impact of design decisions made throughout the product life cycle. While we may not have complete information on life cycle impacts, we cannot afford to wait until comprehensive information is available to inform our specification decisions. This presentation will provide a framework for weighing operational energy use, embodied carbon, and material impacts.

A large number of effective multifamily energy programs have supported retrofits at thousands of properties in the last decade. The next generation of multifamily programs, however, must catalyze the decarbonization of almost all existing buildings over the next 2-3 decades. With the increasing urgency of the climate crisis, and new Building Performance Standard policies creating strong local imperatives, how will energy programs go both deeper and broader than those of the past?

Residential Energy Efficiency programs are poised to see a shift in scope from weatherization to decarbonization that will include deeper retrofits and strategies to eliminate fossil fuels in and outside the home.  This panel will discuss the skills and expertise needed in the workforce to decarbonize our residential building stock and contemplate how we will train and fill for these positions, looking at diversity, barriers, and feeder programs.

The electric grid is changing rapidly - with more intermittent, renewable energy resources contributing to the power generation supply, more dispatchable baseload retiring, and more extreme weather events causing outages. Providing uninterruptible power supply is becoming increasingly more challenging. As building designers and operators, we have the opportunity to be part of the solution by optimizing the demand side of the equation. Passive building is a design methodology that utilizes passive principles to reduce loads on a peak and annual basis.

While more residential customers have turned to heat pumps as an efficient alternative to electric resistance heating, to shift away from delivered fuels, or to add cooling to their home, the modest gains in heat pump penetration have largely been limited to single family homes. This session presents the findings of a barrier study for heat pump adoption in multifamily properties, which have not experienced similar growth in heat pump adoption.

We learn much of what we know about how buildings really perform from doing measurements and monitoring. This session presents five case studies in which targeted data monitoring led to understanding and resolutions of apparently vexing issues.

Even the most successful Retro-Commissioning projects encounter some level of conflict. Fostering a culture of collaboration, trust, and engagement with the building’s operating staff can help overcome these challenges and prove to be valuable to the entire project team. Using project examples, this session provides guidance on how to engage the operations team, drive innovative training, and elevate workforce development for a successful, sustainable Retro-Cx program.

Windows and glazing play a disproportionate role in a building's performance compared to other parts of the assembly.  As we strive to meet our 2030 and 2050 climate goals the design strategies for both our new and existing buildings must be closely evaluated.

What lessons can you learn from completed new construction passive and net zero affordable projects? How can we bring costs down with further experience and tools? Learn from a design build firm experienced in passive and net zero affordable projects.  Hear best practices, what works, and what hasn’t been working. Hear about typical bottlenecks in delivery of affordable high performance housing and how open-source tools can bring down cost, design and analysis barriers.  Learn what incremental costs have been seen on eight Passive House multifamily affordable projects in Massachusetts.

Take a deep dive into what three projects in the Northeast have done to minimize embodied carbon. The example projects have each taken different approaches: one project focused on concrete in an ICF building, one focused on envelope choices and how to meet Passive House requirements while reducing embodied carbon, and one used Life Cycle Assessment to decide between renovation and new construction for existing school buildings.

By law, the NHPUC is required to develop a program using a portion of the Renewable Energy Fund (REF) to directly benefit LMI residential customers. The Low-Income Community Solar Act of 2019 provides an additional 2.5 cents per kwh for the development of LMI community solar projects. To date, a handful of these projects have been built in NH, including Mascoma Meadows Cooperative in Lebanon and Keene Housing Authority in Keene. The Organization for Refugee and Immigrant Success is currently under development.

Ventilation-system design and occupant behavior both significantly impact indoor air quality and consequently the health of occupants in affordable multi-family housing, that is increasingly being sited adjacent to highways and busy roadways in cities.

Building Energy Performance Standards are being introduced throughout the Northeast, including Boston’s BERDO 2.0. Commercial Property Assessed Clean Energy (C-PACE), already adopted by several states, can act as a ‘carrot’ for property owners to make the necessary capital improvements to meet these requirements. With C-PACE, property owners can access low-cost, long-term, fixed-rate financing for measures that impact the energy and water performance of their commercial or multi-family properties.

The City of Boston is on the cutting edge of emissions performance standards for existing buildings. Staff from the City’s Environment Department will present on Boston’s new Building Emissions Reduction Ordinance (BERDO 2.0). The purpose of this session will be to engage building and energy professionals on pathways that help owners comply with the new standard. The speakers will present on the requirements of the ordinance, compliance mechanisms, the ongoing regulations development process, and resources to assist owners in complying.

We will present the IAQ monitoring program at the Finch Cambridge passive house development, first year results, and lessons learned at Finch and in attempting an IAQ monitoring program at another site.  IAQ monitoring in all common spaces and some apartments includes CO2 and radon, and in all apartments and common spaces total VOCs, temperature and humidity.  We will share the first 18 months of IAQ data for Finch and findings relative to temperature, CO2, humidity, and total VOCs.

With so many ways to retrofit a building, how can owners identify the right scope of work? What about the right timing? Even the most well-intentioned building owner may leave carbon savings on the table, choose the wrong ECM or retrofit solution, or spend more than they should on a retrofit. Despite the urgency today to electrify and decarbonize as quickly as possible, we can and should stop, think, and plan to optimize retrofits and maximize savings, while investing in health, workforce, and equity.

Throughout our experience in the K12 Practice Area, we have seen and measured how daylight can positively affect students’ performance and general wellbeing, but how can we keep good daylight levels under the pressure of a tight schedule and the aggressive performance goals of a Net Zero Energy project?

While project teams typically establish quantifiable performance targets for their projects, there is no magic bullet for defining the right energy consumption goal for each project. This panel of high-performance experts and architects will discuss strategies for quantitative goal setting: when, who, and how aggressive.