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Free Two Part Series: Crawlspace Retrofits in Electrification Projects, October 27 & 29, 9 am - 12 pm PT
Event Description
Discover practical strategies for sealing and insulating crawlspaces to boost home performance and comfort. Learn from Dan Perunko of Balance Point Home Performance as he tackles moisture, rodents, and wildfire resilience. Ideal for professionals working on energy upgrades and crawlspace retrofits.
Part 1 - October 27 (9 am - 12 pm)
Crawlspaces come in all shapes and sizes including shallow or hillside, and crawlspaces adjacent to conditioned spaces. The geometry of a crawlspace is an important factor when deciding where to establish a continuous air barrier. Ultimately the insulation will follow and remain aligned with that air barrier. In this course, Dan Perunko of Balance Point Home Performance will present air sealing and insulating strategies for various crawlspace types, along with the myriad benefits effective crawlspace solutions provide for the occupants and the home.
Learning objective -
Part 2 - October 29, (9:30 am - 12:30 pm)
Many existing crawlspaces require remediation prior to other energy upgrade work, including attic or electrification upgrades. This course examines retrofits of vented and unvented crawlspaces, tradeoffs between each crawlspace assembly, and the crawlspace assembly's impact on the home's overall performance and comfort. From home durability to occupant safety and comfort, Dan Perunko of Balance Point Home Performance will address moisture and vapor sources, rodent control, as well as strategies to reduce wildfire ember intrusion.
Learning objective -
Image: The Crawlspace Kings
Introduction and safety message
Understanding the geometry of the crawlspace
Using test tools identifying leakage and understanding their limitations
Air barrier alignment for vented and unvented crawlspaces
Implications for equipment make-up air in unvented crawlspaces
Creating continuity in the crawlspace
Strategies for air sealing leaks in the subfloor
Air sealing around plumbing fixtures that may require future maintenance
Removing abandoned or soon-to-be abandoned mechanical equipment that interfaces with the subfloor air barrier
Air sealing electrical systems and conduits that pass through the subfloor
Addressing air leakage at masonry fireplaces that pass though the subfloor
Part 2 Agenda -
Introduction and safety message
Understanding the phases of water and how it is transported
Prioritizing and mitigating sources of moisture
Removing accumulated debris and abandoned systems
Reviewing current common practices
Decision to vent or not to vent and evaluate all the existing conditions
Updating existing foundation vent to reduce wildfire ember intrusion
Addressing weather proofing on existing foundation vents
Reduced foundation venting
Converting a vented crawlspace to a sealed crawlspace
Addressing abandoned foundation vent holes
Air leakage control implications
Recladding the skirt to achieve multiple outcomes
Testing the assembly
Dan Perunko is cofounder of Balance Point Home Performance Company. In 2006, along with Gavin Healy, Dan started a successful company providing full service home performance analysis, retrofits, consultations, and trainings. Dan works on new and existing construction designs and hands on installations of enclosures, mechanical, plumbing, and indoor air quality components based on tested performance outcomes. Dan especially enjoys improving existing homes to provide homeowners with levels of comfort and energy consumption that they have not believed possible. Dan is a professional trainer who designs and delivers full and multi day courses for California’s Utility Companies (energy training centers) and ACI national and regional conferences. Dan brings his experience from construction, design and building analysis, to make his class materials relevant, useful and understandable regardless of the attendees’ level of experience.
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