Plum Projects is a Phius Certified Passive Home Builder.

Are you interested in building High Performance, Net-Zero, or Passive House? Perhaps you just want to make your current home more energy-efficient?

We have been trained to meet the challenges of building to the rigorous Phius passive building standards, but also enjoy applying our knowledge to all projects we work on.

True Bearing Built-General Contractor Serving Whatcom and Skagit Counties

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Our areas of expertise include:

  • Designing for comfort, efficiency, durability, and air quality.
  • Controlling moisture, heat, and airflow.
  • Balanced ventilation and high-performance heating, cooling, and hot water systems.
  • Building an extremely airtight building envelope.
  • High-performance product and material sourcing.