Challenge

Nestled in the side of a mountain in beautiful Whistler, BC, Flag Haus is a spectacular high-end custom home designed by internationally renowned Brazilian architect Marcio Kogan and Evoke International Design in Vancouver.

The home’s sleek, iconic design perfectly complements its pristine natural surroundings. Yet, bringing the Flag Haus vision to life involved some of the most complex mechanical HVAC design challenges found in residential construction.

Some of these challenges included:

  • An upper floor consisting of 5,000 square feet of living space entirely walled with glass and a flat roof
  • An underground tunnel to subterranean parking
  • A glass wine tasting room as the centerpiece of a large mechanical room surrounded by functioning equipment
  • Multiple air and radiant zones with no visible grilles or registers
  • Indoor pool and dehumidification
  • 12,000 feet of snowmelt
  • Geothermal as the primary energy source
  • And integrated systems controls

Client:

Linden Construction

Location:

Whistler, BC

Building Type:

Large Custom Home

Building Size:

16,000 sq. ft. (3 floors)

Approach

Using home performance design principles, Ecolighten Energy Solutions applied 75 years of mechanical design, energy consulting and green home certification experience to ensure Flag Haus would be a highly energy-efficient home that provided the ultimate in heating and cooling comfort, without compromising its sophisticated design.

There are no playbooks for a project of this nature. To succeed, Ecolighten reached beyond standard practices into uncharted engineering with the help and support of highly skilled professionals and trades associated with this project. The end result was truly magnificent.

Room-by-room load calculations (CSA F280-12 code compliant)
Extensive planning and consultation with all stakeholders
Design for ground source geothermal, forced air, radiant, plumbing & gas, snowmelt, indoor pool, heat recovery and various specialty ventilation systems
Detailed engineering drawings with all component specifications & schedules, scope of work and best practices language
Quality assurance including visual inspections and performance testing
  • Equipment Schedule
    Equipment Schedule

    Equipment Schedule

    Equipment schedule includes all systems major components including manufacturer make, model, associated electrical loads, and other critical information.

    Equipment Schedule

  • Forced Air Design
    Forced Air Duct Routing

    Forced Air Duct Routing

    A feature mechanical room plan view including glass wine tasting room within the mechanical room.

    Forced Air Design

  • Hydronic Schematic
    Hydronic Schematic

    Hydronic Schematic

    Partial hydronic schematic showing hydraulic flow of system integrating geothermal, gas boilers, domestic hot water, indoor pool, hot tub, snow melt, wine cooling, and more.

    Hydronic Schematic

  • Hydronic Design
    Hydronic Loop Layout

    Hydronic Loop Layout

    Lower Level radiant loop layout with calculated and optimized loop lengths, pressure drops liquid flow (gpm) and manifold locations.

    Hydronic Design

  • Hydronic Design
    Hydronic Loop Layout

    Hydronic Loop Layout

    Main level radiant loop layout with calculated and optimized loop lengths, pressure drops liquid flow (gpm) and manifold locations.

    Hydronic Design

  • Hydronic Design
    Hydronic Loop Layout

    Hydronic Loop Layout

    Upper level radiant loop layout with calculated and optimized loop lengths, pressure drops liquid flow (gpm) and manifold locations.

    Hydronic Design

  • Snowmelt Design
    Hydronic Snowmelt

    Hydronic Snowmelt

    Driveway snow melt example. This project included snow melt for walkways, parking, tunnel and decks.

    Snowmelt Design

    • Linden Construction

      As an experienced builder in residential construction, I’ve seen the challenges that can arise in constructing new custom homes. It is great knowing there is a service like Home Performance Design from Ecolighten to support the coordination of HVAC sub-trades and proper integration of mechanical solutions into our residential projects.

      Linden Construction

      Results

      • Room-by-room load calculations (CSA F280-12 code compliant)
      • Extensive planning and consultation with all stakeholders
      • Design for ground source geothermal, forced air, radiant, plumbing & gas, snowmelt, indoor pool, heat recovery and various specialty ventilation systems
      • Detailed engineering drawings with all component specifications & schedules, scope of work and best practices language
      • Quality assurance including visual inspections and performance testing

      What Makes Us Different

      Why Choose Ecolighten For:

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