Chapter 4 the building architectural design schematic design achieving a sustainable building r equir es a commitment fr. Whats the difference between active and passive solar design. It focuses on renewable sources of energy such as the sun and wind to provide household heating, cooling, ventilation and lighting. Passive solar design minimises the requirement for ongoing heating and cooling costs, as well as having low operating and maintenance costs. Presentation passive design strategies linkedin slideshare. Passive solar design strategies the guidelines some principles of passive solar design remain the same in every climate. These strategies include daylighting, natural ventilation, and solar energy. Michael behm east carolina university abstract passive solar design, an idea within the growing trend of green building, is a creative way to use the sun to our advantage, both for heating and cooling, based on the design of buildings. What are the factors affecting energy consumption in the building.
Passive solar architecture does not depend on solar panels. The architect feels strongly that design is the first frontier when it comes to building houses equipped to handle extreme heat. Passive design strategies for cold and cloudy climate. Passive design is a sustainable building standard that responds to local climate and site conditions to maintain a comfortable temperature in the home. Good, climateadapted design of buildings can reduce the need for added technology to a minimum. The sun provides free heat, daylighting, and a better connection to our outdoor environment. Passive design is a major part of environmental design, and approaches utilising several techniques and strategies that can be employed to the buildings in all types of climates around the world.
Passive solar heating techniques generally fall into one of three categories. Active design strategies use purchased energy to keep the building comfortable. Passive solar design strategies is based on research sponsored by the united states department of energy doe solar buudings program. These techniques, characterized by the way they collect, store, and distribute heat are summarized below. Direct gain passive solar design techniques passive solar design strategies vary by building location and regional climate, but the basic techniques remain the same maximize solar heat gain in winter and minimize it in summer. The guidelines contain information about passive solar.
These strategies include forcedair hvac systems, heat pumps, radiant. Integrating passive cooling techniques for sustainable. It will also reduce or eliminate your reliance on mechanical heating and cooling, which is better for the environment and your hip pocket. Roof overhangs and eaves designed at a specific angle to provide shade from the hot summer sun which travels a slightly higher route than it does in the winter months, when its heat is welcome. In addition, most passive solar design strategies integrate well with active solar applications such as photovoltaics. When sunlight strikes a building, the building materials can reflect, transmit, or absorb the solar radiation. When compared with the final output the passive solar buildings provide, the system is economical. Passive design strategies use ambient energy sources instead of purchased energy like electricity or natural gas. This amount is overshadowed by passive solar gains in other energy savings i. The cost of construction of passive solar buildings was found higher compared to that of the conventional method. Passive design cooling strategies radiative cooling evaporative cooling. Put simply, design for passive solar heating keeps out summer sun and lets in winter sun while ensuring that the building envelope keeps that heat inside in winter and allows any built up heat to escape in summer. Through passive design, energy usage is dramatically reduced, temperature fluctuations are fewer. These basic responses to solar heat lead to design.
Passive solar design refers to the use of the suns energy for the heating and cooling of living spaces by exposure to the sun. Passive solar design strategies for environmentallysensitive architecture. Passive solar heating uses free heating direct from the sun to dramatically reduce the estimated 40% of energy consumed in the average australian home for space heating and cooling dewha 2008. Request pdf on nov 1, 2014, edwin rodriguezubinas and others. Costeffective passive solar design greenbuildingadvisor. When combined properly, these strategies can contribute to the heating, cooling, and daylighting of nearly any building.
How a passive solar designed home works definition of direct solar gain, indirect solar gain how. This would require passive solar design that are simple, require no mechanical systems, and minimal maintenance. This article focuses on the process and strategies used in the hamilton house. History of passive solar energy scott barber east carolina university faculty mentor. Many heating and cooling design objectives overlap but different emphasis is. Passive vs active posted by john spacey, may 27, 2016 updated on may 29, 2017 passive design is a system or structure that directly uses natural energy such as sunlight, wind, temperature differences or gravity to achieve a result without electricity or fuel. Passive solar design strategies vary by building location and regional climate, but the basic techniques remain the same maximize solar heat gain in winter. Passive solar heating combines a wellinsulated envelope with other elements that minimize energy losses and harness and store solar gains to offset the energy requirements of. Sep 30, 2011 passive solar design is one of the most attractive strategies available for energyefficient construction and green building. Darcie white, aicp is a principal with clarion associates, based in denver and fort collins, colorado.
Because of the small heating loads of modern homes it is very important to avoid oversizing southfacing. Passive design regards the particular way to construct a building using the natural movement of heat and air, passive solar gain and cooling in order to maintain a good internal comfort. The study focuses on most cost effective means of providing heat to building. The innovative combining passive solar applications, when included in initial building design, adds little or nothing to the cost of building, yet has the effect of realizing a reduction in operational costs and reduced equipment demand.
Pdf passive solar building design strategies in lalitpur. Passive solar design takes advantage of a buildings site, climate, and materials to minimize energy use. This document was prepared under the sponsorship of the national renewable energy laboratory and produced with funds made available by the unit states department of energy. Strategies for improving energy performance in minot, north. Passive solar building design strategies in lalitpur, pokhara and dharan cities of nepal article pdf available january 2016 with 4,668 reads how we measure reads. Passive design strategies revit products 2018 autodesk. The rate at which solar energy reaches a unit area.
Heat gain there are three main techniques to capture and use passive solar energy in a house. The first use of passive solar design goes back as far as 5th century greece 4. Introduction passive solar design strategies is a package in three basic parts. Concrete masonry plays a vital role in effective passive solar design, by providing thermal mass to absorb and slowly release solar heat. Passive solar buildings concept, performance and benefits. Solar building architecture edited by bruce anderson. She has worked on a diverse array of projects in her career at. Sustainable building and passive design key features, passive design in new and existing buildings. Passive solar is a key component in achieving nze, a building that produces as much energy as it consumes in one year. City of vancouver passive design toolkit for homes. Determining suitable passive solar strategies and design options at.
The types of buildings that benefit from the application of passive solar heating range from barracks to large maintenance. Passive cooling and natural lighting as effective strategies in minimizing energy consumption in warehouse of sekeping serendah, selangor. Passive solar design strategies the guidelines some principles of passive solar des1gn remain the same in every climate. Direct gain is solar radiation that directly penetrates and is stored in the living space. Initial deci sions, such as the building s location, general massing, and configuration pr ofoundly af fect the building s. She is a planner and landscape architect with over 10 years of professional experience. Although it is relatively simple to reduce the energy use up to some extent by applying individual strategies, very high levels of energy performance require application of the optimal combination of several strategies, verified through building energy simulations. Nov 11, 2016 passive solar heating is one of several design approaches collectively called passive solar design. One of the most interesting charts is the psychrometric chart with overlays that show the design strategies e. Through the use of passive solutions it is possible to eliminate, or at least. Indirect gain collects, stores, and distributes solar radiation using. Passive solar design guidance ministry for the environment. Guidelines jor horne buuders is written to help give builders the information they need to make these decisions. Further, energy conservation is possible by judicious design of the artificial lighting and hvac system using energy efficient equipments, controls and operation strategies.
Key features of designing a home with passive design. Passive design responds to local climate and site conditions to maximise building users comfort and health while minimising energy use. So, many fundamental aspects of the passive solar houses design will depend on the conditions in a. Creating a sustainable home through passive design modscape. Advances in passive solar design tools oak ridge national. Passive solar design strategies comprise important ways of reducing the heating, cooling and lighting energy consumption of buildings.
Passive design strategies and performance of net energy plus. Passive solar design strategies for environmentally sensitive architecture magdalena milosz, m. What are the key elements in a passive solar energy design for a home. It is a design technique that utilizes the suns energy to naturally heat a home during winter and keep it cooler in the summer. Passive design introduction passive design regards the particular way to construct a building using the natural movement of heat and air, passive solar gain and cooling in order to maintain a good internal comfort.
In addition, the passive solutions can be cheaper and, being nonmechanical, are robust with regard to users, operation and maintenance. Doe, this article discusses the five key elements of passive solar design and links to additional passive solar design as well as solar design evaluation questions and answers. Passive solar industries council national renewable energy laboratory charles eley associates. Building a passive solar home 5 best design strategies. Passive solar design strategies is based on research sponsored by the united states department of energy doe solar buildings program.
Most australian climates require both passive heating and cooling. With the introduction of modern construction technologies in the country, the building. Building a passive solar home 5 best design strategies passive building designs are different ways we can take advantage of solar thermal energy to enhance heating andor cooling in a building and thereby reducing the need to use other energy sources for this purpose. The concept ensures optimum sustainability for the entire community through zero emission buildings, passive design strategies, active solar systems, and energy efficient appliances.
To increase the energy efficiency of a building, a variety of active and passive design strategies can be incorporated. A welldesigned passive solar home first reduces heating and cooling loads through energyefficiency strategies and then meets those reduced loads in whole or part with solar energy. An example manual shading study using the solar diagram from the. The criteria is based on the position of the sun at the winter solstice when it is low in the southern sky. It can also reduce energy use and environmental impacts such as greenhouse gas emissions. A great passive solar design will consider all of the nine principals mentioned to create a unique home to suit the climate zone it is situated within. Passive solar heating wbdg whole building design guide. Buildings using passive design strategies for energy. Using building design to harness solar radiation and capture the internal heat gains is the only passive way to add free thermal energy to a building. Michael behm east carolina university abstract passive solar design, an idea within the growing trend of green building, is a creative way to use the sun to our advantage, both for heating and cooling, based on. Air movement is a key to enhancing comfort in hot climates. Passive solar cooling design techniques help ensure a home built to retain solar heat remains comfortable even in the hot summer months.
Since the 1970s peter pfeiffer has employed passive solar strategies in his projects. An important aspect of good passive solar design is that it takes advantage of the opportunities at the specific site. Jul 14, 2016 presentation passive design strategies 1. In addition, the heat produced by the sun causes air movement that can be predictable in designed spaces. Site design strategies for solar access page 3 about the author ms. Passive solar heating is the least expensive way to heat your home. Active strategies usually consist of heating and cooling systems, while passive design measures include building orientation, air sealing, continuous insulation, windows and daylighting, and designing a building to take advantage of natural ventilation opportunities. There is a lot of potential of utilizing passive solar energy in buildings. But the important thing about passive solar is that it makes better use of the opportunities in a houses surroundings. She is a planner and landscape architect with over 10 years of. Because of the small heating loads of modern homes it. This is because of time and cost used for proper optimization of energy. Passive solar design is one of the most attractive strategies available for energyefficient construction and green building.