Difference between revisions of "Human Comfort Zone"

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<small>return to [[Living Building Design Studio]]</small>  
 
<small>return to [[Living Building Design Studio]]</small>  
<flickr>3576184898|thumb|left|Earth Tubes Diagram</flickr>
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<flickr>3614064282|thumb|right|Human Comfort Zone Targets</flickr>
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=== What is It? ===
 
=== What is It? ===
 
----
 
----
* A brief description of what it is.
 
* If it is part of a system-level pattern put a link to it in here.
 
  
The human comfort zone refers to the range of temperature, air movement, and humidity conditions that most people will find comfortable most of the time.
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The human comfort zone refers to the range of temperature, air movement, and humidity conditions that most people will find comfortable most of the time (80%)??.
  
 
* Also known as: thermal comfort zone
 
* Also known as: thermal comfort zone
 
  
 
=== Why is it Important? ===
 
=== Why is it Important? ===
 
----
 
----
  
* Strengthens our relationship to the earth...changing the thermostat's settings has energy use consequences
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* Strengthens our relationship to the earth -- changing the thermostat's setting has energy-use consequences.
* Encourages cooperative interactions...one person's "too hot" may be another person's "too cold."
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* Encourages cooperative interactions -- need to find consensus when one person's "too hot" may be another person's "too cold."
 
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* Affects worker productivity.
  
 
=== When to Use It? ===
 
=== When to Use It? ===
 
----
 
----
* Use the human comfort zone to establish set points for HVAC controls.  
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* Use the human comfort zone as a guide for set points for HVAC controls.  
* It's better to try for the middle of the range instead of either end, so that if the temperature dips or peaks the building remains in the comfort zone for a long time.  
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* Because different people experience different comfort levels, the comfort zone is only a guide and not an absolute.
  
 
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=== Green Garage Use of the Human Comfort Zone ===
=== Green Garage Application ===
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----
 
----
 
===== Sustainability Goals =====
 
===== Sustainability Goals =====
* The human comfort zone ranges from approx.
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* Use passive design systems as much as possible to maintain building conditions within the human comfort zone.
* Strive to quantify if at all possible.
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* We are looking for a balance point between human comfort and energy use. We need to be responsible personally and on a community level for this balance.
* It doesn't describe how...just the outcomes.
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* Setting the thermostat at the low end of the human comfort zone in the winter and at the high end in the summer enables us to specify smaller HVAC equipment while still keeping building occupants comfortable.
  
 
===== Strategy and Conceptual Design =====
 
===== Strategy and Conceptual Design =====
* Describe how we plan to achieve these goals
 
* Explain why we chose this specific strategy and design (our rationale)
 
* Include pictures, drawings or videos(flickr)
 
  
* Supporting science:
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* The Green Garage design target comfort zone is:
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** Maximum: 78 F (summer)
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** Minimum: 68 F (winter)
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** Relative Humidity (RH): 30% - 60% RH
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** Ideal condition is temperatures between 68-78 F and 45% RH year round
 +
 
 +
* There is a relationship between temperature, humidity and comfort.
 +
** People will be comfortable with higher temperatures in the summer (above 78 F) if the air is moving and/or the relative humidity is low (near 30%).
 +
** People will be comfortable with lower temperatures in the winter (below 68 F) if the air is still and/or the relative humidity is high (near 60%). 
 +
* Our thermostat and humidity set points will be targeted to be within the ideal condition of the human comfort zone in all seasons.
  
===== Proposed Materials / Suppliers =====
 
* Identify (via links and short description) the materials and suppliers we propose to use.
 
  
 
===== Development Story =====
 
===== Development Story =====
The [[?? - Development Story]] page contains many images and videos documenting the process used at the Green Garage to design, build and operate our ?? system.
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The [[Human Comfort Zone - Development Story]] page contains many images and videos documenting the process used at the Green Garage to design for the human comfort zone.
  
 
===== Related Internal Links =====
 
===== Related Internal Links =====
* Help people find other related Green Garage pages that may help them.  Keep it tight.
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* [[GG Zero Energy Design Studio]]
  
 
=== Resources ===
 
=== Resources ===
 
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* Provide valuable links to help make it easier for others to pursue this pattern.
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*[http://repositories.cdlib.org/cgi/viewcontent.cgi?article=1003&context=cedr/cbe ASHRAE Journal Article describing the ASHRAE Comfort Standard 55-2004]
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*[http://en.wikipedia.org/wiki/Thermal_comfort Thermal Comfort]
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* A Shelter Sketchbook: Timeless Building Solutions, by John S. Taylor
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[[Category:site index]]
 
[[Category:site index]]
 
[[Category:One Earth Patterns]]
 
[[Category:One Earth Patterns]]

Latest revision as of 18:00, 7 June 2013

return to Living Building Design Studio Flickr Error ( Photo not found ): PhotoID 3614064282


What is It?


The human comfort zone refers to the range of temperature, air movement, and humidity conditions that most people will find comfortable most of the time (80%)??.

  • Also known as: thermal comfort zone

Why is it Important?


  • Strengthens our relationship to the earth -- changing the thermostat's setting has energy-use consequences.
  • Encourages cooperative interactions -- need to find consensus when one person's "too hot" may be another person's "too cold."
  • Affects worker productivity.

When to Use It?


  • Use the human comfort zone as a guide for set points for HVAC controls.
  • Because different people experience different comfort levels, the comfort zone is only a guide and not an absolute.

Green Garage Use of the Human Comfort Zone


Sustainability Goals
  • Use passive design systems as much as possible to maintain building conditions within the human comfort zone.
  • We are looking for a balance point between human comfort and energy use. We need to be responsible personally and on a community level for this balance.
  • Setting the thermostat at the low end of the human comfort zone in the winter and at the high end in the summer enables us to specify smaller HVAC equipment while still keeping building occupants comfortable.
Strategy and Conceptual Design
  • The Green Garage design target comfort zone is:
    • Maximum: 78 F (summer)
    • Minimum: 68 F (winter)
    • Relative Humidity (RH): 30% - 60% RH
    • Ideal condition is temperatures between 68-78 F and 45% RH year round
  • There is a relationship between temperature, humidity and comfort.
    • People will be comfortable with higher temperatures in the summer (above 78 F) if the air is moving and/or the relative humidity is low (near 30%).
    • People will be comfortable with lower temperatures in the winter (below 68 F) if the air is still and/or the relative humidity is high (near 60%).
  • Our thermostat and humidity set points will be targeted to be within the ideal condition of the human comfort zone in all seasons.


Development Story

The Human Comfort Zone - Development Story page contains many images and videos documenting the process used at the Green Garage to design for the human comfort zone.

Related Internal Links

Resources