Architectural Designs, Cheat Sheet of Architecture

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Homenz

SUSTAINABLE SINGLE FAMILY HOME

Homenz About

Home nz provides a new model for single family home construction in Phoenix: a modern home with open, flexible spaces designed to operate at near net-zero energy use.

KEY FEATURES

• 2,650 square feet
• Fits on a typical Phoenix 60’ x 110’ lot with assumed setback lines
• Design is orientation neutral; works in any lot orientation
• 3 bedrooms, 2 1/2 baths
• HERS score of 30
• HERS score of -4 with photovoltaic panels

COST AND AFFORDABILITY

The cost of this sustainable home is within the range of the market for homes of this size. The contractor estimated cost below is based on early 2019 estimate and excludes land / site cost.

House (Excluding Land) Solar Panel System On-site Battery Storage

Photovoltaic Panels Flat Plate Solar Collector for Water Heater Low Point Scupper Solar Chimney

KEYNOTES

Homenz Roof Plan

Homenz Front Perspective

Homenz Elevation

Homenz Site Flexibility

FLEXIBILITY

Home nz is orientation flexible due to the shading elements integrated with window walls and covered entries. The exterior shading screens glazing from direct sun.

NN NN

0 45 NN 90

NN

135

NN

180

NN

225

NN 270

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315

DAYLIGHT AND SHADING

The house incorporates the use of highly efficient ‘Solarban 70XL’ glass to reduce heat transmittance. Operable windows are located throughout the home.

Protective fabric screens prevent 95% of direct sunlight from reaching the glass, drastically reducing the solar heat gain.

of the building envelope is comprised of fully shaded glass

of the building envelope is exposed glass

Glass

Shade Screen

12%

03%

Homenz Energy Efficient Envelope

ELEVATION A ELEVATION B ELEVATION C ELEVATION D

C

A

D

B

SOLAR CHIMNEY

Homenz Efficient Systems

Standard, unprotected glazing allows for air within the solar chimney to raise temperature and create convection currents

Damper automatically opens during temperate ambient conditions and closes during inclement weather and non-temperate conditions

SMART HOME TECHNOLOGIES

• LED Light Fixtures
• Smart thermostat with home and away functions
• Energy efficient appliances
• Variable speed air conditioner limits start/ stop energy load, boosting efficiency by 800%

PASSIVE COOLING

The solar chimney provides natural convection of air throughout the house for ventilation and cooling. During the hottest days of the year, the house is naturally cooled without the use of compressors and inefficient mechanical equipment.

REDUCE WATER USE & STORM WATER MANAGEMENT

The perimeter of the roof is designed with four outlets where rain water can be directed to provide landscape irrigation and aid in plant sustainability. Any water that does not use the city resources will indirectly reduce the energy footprint required to treat and transport the water to the home.

HERS SCORE WITHOUT SOLAR ENERGY GENERATION HERS SCORE WITH SOLAR ENERGY GENERATION

Homenz HERS Report

WHAT IS HERS?

The Home Energy Rating System (HERS) Index is the industry standard by which a home’s energy efficiency is measured. It is also the nationally recognized system for predicting, determining, and calculating a home’s energy performance.

Use [MBtu]

Use [MBtu]

Annual Cost $ $ $ $ $ $1,

Annual Cost $ $ $ $ $ -$ $

Heating Cooling Hot Water Lights/ Appliances Service Charges Total

Heating Cooling Hot Water Lights/ Appliances Service Charges Generation (Solar) Total

Home nz ESTIMATED ENERGY USE WITHOUT SOLAR PANELS

Home nz ESTIMATED ENERGY USE WITH SOLAR PANELS & BATTERY

Homenz

SUSTAINABLE SINGLE FAMILY HOME

Marlene Imirzian & Associates Architects

SCL Consulting

Henderson Engineers

Furcini Construction

Desert Skies Energy Services

Architect:

Structural Engineer:

MPE Engineer:

Construction Cost Estimate:

HERS Evaluation:

City of Phoenix Sustainable Home Design Plans