passive design

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passive design

Note: The detailed breakdown of each section and subsection can include explanations of the concepts, case studies, real-world examples, and specific passive design techniques.

heat exchange

MVHR heat exchange

takes bad air from wet rooms and put it outside to prevent mold and odors through heat exchange

takes fresh air from outside through heat exchanger and puts in inside

U-value rating

how much heat can get through

lower number the better

0.15

Challenges and considerations in implementing passive design

Cost implications

Affordability and availability of materials

Initial investment vs

long-term savings

Building codes and regulations

Overcoming potential barriers to implementation

Compliance with energy efficiency standards

Climate-specific design requirements

Balancing heating and cooling needs

Adaptation to different climate zones

Examples of passive design techniques

Passive lighting solutions

Clerestory windows and reflective surfaces

Light tubes and light shelves

Passive cooling strategies

Natural ventilation techniques like stack effect

Green roofs and cool roofs

Passive solar design

Trombe walls and sunspaces

Solar panels and solar water heating systems

Passive design strategies

Shading and solar control

Incorporating reflective surfaces and low-E glass

Using shading devices and overhangs

Daylighting

Controlling glare and optimizing natural light

Utilizing windows

and light shelves

skylights

Natural ventilation

Incorporating operable windows and vents

Designing for cross ventilation

Insulation and thermal mass

Utilizing thermal mass to regulate indoor temperature

Importance of insulation in reducing heat transfer

Orientation and building layout

Minimizing solar heat gain in summer

Maximizing solar gain in winter

dry rooms

bedrooms

sitting room

wet rooms

bathroom

kitchen

fresh air around your house

take fresh air from outside

mechanical ventilation heat recovery

Key Principles

Airtightness

MVHR

Super insolation

Preventing thermal bridging

Thermal mass

Solar gain

Compact form

Function

We do not want to rely on fossil fuels

comfortable environment

Benefits of passive design

Environmental sustainability

Reduced greenhouse gas emissions

Lower carbon footprint

Comfort and well-being

Optimal natural lighting

Natural ventilation and airflow

Energy efficiency

Decreased reliance on mechanical systems

Reduction in heating and cooling costs

Definition of passive design

Maximize heat gain Minimize heat loss

Helping Earth with fossil fuels + Payback Period+ Energy efficient

Will keep warm for a long period of time without constantly putting on heating

Energy efficient house

Importance of passive design in sustainable architecture

Explanation of passive design principles