• Alchemech Engineering



    About Us

    Alchemech designs HVAC, plumbing, and building envelopes beyond the ''net-zero'' paradigm for comfort, health, resilience, and beauty.

    Sustainability, performance, comfort and health live in the tiny details.
    We rigorously research, design, and offer guidance on these details that make or break the functionality of the spaces.


    Full mechanical & plumbing engineering and plan sets

    Supplement architectural plans with building enclosure details

    Holistic conceptual designs of high performance infrastructure.

    Product specifications and installation guidance.


    Passive house design

    Building science for dry, mold-free, pest-free, comfortable, durable enclosures

    Low-energy, healthy mechanical & plumbing systems

    Building biology and fresh air ventilation design

    Hydronic and radiant comfort system design

    Thermal energy storage

    All-electric design

    Constructibility expertise

    Living building challenge design


    • Technical consulting for architects, builders & owners
    • Efficient, healthy HVAC & plumbing design
    • Passive House enclosure design
    • Healthy home and mold-resistant design
    • Off-grid-ready and grid-responsive design

    Rep/Contact Info

    Ashley Murphree
    Owner, Engineer