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NetZero Energy Architects "Hybrid" Home Energy Design

Solutions that Reduce Home Energy Use While Increasing Quality and Comfort.
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The Old Yellow House Orin
Artist Recognition Award
Annapolis Passive House
Passive House
Annapolis Basement Energy
Marin Home & Garden Expo
West Coast Green 2010
Earth Day 2010
Home Performance Test
Fresh Air Ventilation
MechanicallyVentilated CS
Geo-Solar Thermal Energy
Crawl Space Case Studies
Design Build Partnership
FreeWatt - Cogeneration
Geo Thermal
Danville 2010
Alamo Remodel 2010
Alamo Residence 2010
Carmel 2009
Vert Ramp 2008
Lafayette 2007
Potrero Hill S.F. 2006
Lafayette 2006
Lafayette 2005
Caith Tree House 2005
Lafayette 2005
Lake Almanor 2004
Los Altos Hills 2003
Buddhist Spiritual Center
Los Altos Hills 2001
Wright Studio 2001
Bell Canyon LA 1999
Santa Monica Canyon1998
Oakland Hills 1997
Brentwood L.A. 1997
Japan 1996
Oakland Hills 1993
Beverly Hills 1995
Peter Falk B.H. 1995
Venice 1990
Solar Mansion B.H. 1989
Jellyfish UCLA 1985
Jellyfish Malibu 1985
Laser Jellyfish B.H. 1983
Solar Greenhouse Md. 1981
Private Study Gaudi 1980
U of MD. Daylighting 1980
Tree House 1965
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Crawl Space Facts
Rain Harvesting / Geo Thermal

"EnergyPlus" Model


Main House and Pool

1. Heat mirror film for all glass.

2. Pool solar / PV-T (photo electric / hot water) at garage.


Tennis Court (in Progress)

Catchment areas

a. 50 x 100’ artificial turf play field (filtered water).

b. 25’ x 50’ artificial turf putting green (filtered water).

c. 60' x 120' tennis court.

Storage capacity 118,925 gallons.

Tennis Court / Rain Catchment (in Progress)

Tennis Court / Rain Catchment Geo-Exchange

Heat-Cool Generation system w/ water to water Ground Source Heat Pump.

a. Pond loop within storage.

b. Ground loop,“slinky coils” buried below pond liner. Provides back up

during drought years.

c. Closed loop with-in court slab as ambient / solar gain collector & and night

radiant cooling (¾” pex tubing tied to slab reinforcement).

d. Open loop "nocturnal cooling" by irrigating at night of artificial turf

putting green.

(Note: D.W.S. during irrigation season maintains lowest tier water usage)


Putting Green / Rain Catchment (in Progress)

Putting Green / Rain Catchment (in Progress)


Artificial Turf Play Field / Rain Catchment (in Progress)


Gym and Pool House

1. Radiant heating and cooling with isolated hydronic slab w/ perimeter insulation.

2. Ceiling fan cooling.

3. Hydronic fan coil / cooling “E.S.P.” low velocity, as back-up.

4. PV-T (photo electric / hot water) at south facing roof.