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Steve Linton828.253.0483
The House of Tomorrow, Today
Building the
Home of
Tomorrow,
Today
Steve Linton, LEED AP
President
Deltec Homes
800.642.2508
Steve Linton, LEED APPresident, Deltec [email protected]
•What will the homes of our grandchildren be like?
•How do we build this home of tomorrow, today?
Essential Questions
Why?We have the ability and knowledge to build homes that produce as much energy as they consume, while at the same time maintaining a long-term perspective on protecting our planet’s resources.
The question is no longer “how” we do it, but “why not?”
Your Grandparent’s Home
Had no insulation
Single-paned windows
Oil or coal heat
These homes weren’t all bad
They were usually built in town, close to amenities and the workplace. Many were built to use passive cooling methods rather than air conditioning.
What about their cars?
Cool car! How would this stack up in terms of performance against today’s cars?
Today’s CarSafer, higher quality, faster than the Chevy
with 4 times the gas mileage
Today’s HomeHave our houses come that far?
They’re insulated
(although not always very
well)
They have high-tech windows
HVAC is much more efficient
So how are we doing?
How much more efficient do these advancements in technology (insulation, double-pane windows made in a high-tech factory, high-efficiency HVAC, and others) make our homes?
A) 25% Less Energy
B) The same Energy
C) 25% More Energy
The Typical 1950 Home Used:
compared to a typical 2010 Home
A)25% Less Energy
The Typical 1950 Home Used:
compared to a typical 2010 Home
How is that possible?
Houses are twice as big
In 2010, per capita consumption of energy averaged 48 percent above the 1949 level.
A Scary Statistic
0
30
60
90
120
150
Million BTU
s/SF
195019551960196519701975 1980 1985 1990 1995 2000 2005 2010Source: EIA.gov
Energy Use per Square Foot
The good news: energy use per square foot is getting better (thanks to insulation, better
windows, better HVAC)
0
50
100
150
200
250
Million BTU
s
19501955196019651970 1975 1980 1985 1990 1995 2000 2005 2010Source: EIA.gov
Energy Use per Household
The not-so-good news: energy use per house is up about 25% because our houses are bigger
0
5,000
10,000
15,000
20,000
25,000
19501955196019651970 1975 1980 1985 1990 1995 2000 2005 2010Source: EIA.gov
Energy Use of All Households
The bad news: energy use of all households combined is up
markedly because our houses are bigger and there are almost 3 times
as many houses as in 1950
Your Grandchildren’s Home
Continuing our mental experiment: we saw our grandparents house, we explored today’s houses, so what will the houses of our grandchildres look like?
Where are we in the evolution of home design?
The Solar Decathlon
How do you envision the home of the future?
How do you envision the home of the future?
How about: A high performance building enclosure designed to passively ensnare and amass infrared energy coupled with an active grid-tied array of ultra thin layers of phosphorus-doped and boron-doped silicon producing a steady flow of electrons?
Probably not...
We don’t think that way, we think about how things will make our lives easier and more fun...
A great home design doesn’t have to be overly complex - it’s more about working right. And ultimately, it’s about more than us, it’s about being stewards of our planet.
Two Questions
Two Questions1) How do we build the home of tomorrow, today?2) How do we make that home something that everyone desires? WHY will they want it?
The how is fairly easy, that’s what this presentation is about. The why is the real challenge! Each and every one of us need to lead by example, and create homes that benefit our lives as well as benefit the environment.
Prefabrication Location & Permaculture
Net-Zero Energy
Science-Based Solutions
Built the right way the first time
Built to LastRight Sized
Foundations of the Home of Tomorrow
Affordable
Sustainable
Inspiring & Beautiful
Net-Zero Energy
First: Reduce Consumption
Net-zero homes are not just about adding a hundred solar panels to every house, but about reducing the consumption of the home to where it can be easily balanced by a renewable energy source.
Net-Zero Energyproducing more energy than it consumes
The Solar Homesteadby Appalachian State
Challenge Solution
Design/build a zero energy home that is functional, affordable, enjoyable
Double-stud walls, triple-paned windows, a spectacular bifacial solar array with an ergonomic configuration allowing 3 bedrooms in under 1000 square feet
Learn more at www.deltechomes.com/zero-energy
-Does a ZEH cost more? Yes, upfront. No in the long run.-In some ways, it’s like taking all the money you would have spent over the next 20 years on electricity and investing it in your house now. When you do that, you can offset that electricity from ever being used at today’s energy prices, and that’s a powerful thought.
Zero Energy Take Home: Total Cost of Ownership
The Solar Homesteadby Appalachian State
Learn more at www.deltechomes.com/zero-energy
Prefabrication
More than likely, you did not have your last car hand built, piece by piece, outside in the rain. No, you bought a car that was built with careful attention to detail, exacting tolerances and excellent quality control, all thanks to advances in the car manufacturing process.
Now, think of how most homes are built.
Now think of how most homes are built. The differences are quite poignant. Many homes spend a significant amount of time exposed to the elements. Site built homes are typically limited in the tolerances they can achieve, and hence these homes have a high degree of variability.
Extreme Makeover: LEED Platinum in 5 Days
by Deltec Homes
Challenge
Solution
Build a LEED platinum home in 5 days to replace a home destroyed by Katrina
Panelized, round-shaped home with resilient design features and exceptional project team
Learn more at www.deltechomes.com
Location and Permaculture
Location & Permaculture
Challenge
Solution
Are we building our houses in the right places? Are we connected to the land that supports us?
Designing communities. Reducing our reliance on the auto. Care for earth, care for people, share the surplus.
Learn more at www.permaculture.org
Sustainable
THE 20 IMPERATIVES OF THE LIVING BUILDING CHALLENGESM
Living Building Challenge is a philosophy, advocacy tool, and certification program that addresses development at all scales.
SITE Restoring a healthy coexistence with nature
01 Limits to Growth Eligible sites include greyfields or brownfields that are not on or adjacent to
sensitive ecological habitats, prime farmland, or within the 100-year flood plain. Landscape may only be native and/or naturalized species planted to support succession.
02 Urban Agriculture All projects must integrate opportunities for agriculture appropriate to the
scale and density of the project using its Floor Area Ratio as the basis for calculation.
03 Habitat Exchange For each hectare of development, an equal amount of land must be set-aside
for thriving ecosystems.
04 Car Free Living Each new project should contribute towards the creation of walkable,
pedestrian-oriented communities.
WATER Creating water independent sites, buildings and communities
05 Net Zero Water One hundred percent of occupants’ water use must come from captured
precipitation or closed loop water systems that are appropriately purified without the use of chemicals.
06 Ecological Water Flow One hundred percent of storm water and building water discharge must be
managed on-site and integrated into a comprehensive system to feed the project’s demands.
ENERGY Relying only on current solar income
07 Net Zero Energy One hundred percent of the project’s energy demand must be supplied by
on-site renewable energy on a net annual basis.
HEALTH Maximizing physical and psychological health and well being
08 Civilized Environment Every occupiable space must have operable windows that provide access to
fresh air, views, and daylight.
09 Healthy Air The project must take precautionary measures to maintain a nourishing
indoor environment.
10 Biophilia The project must be designed to include elements that nurture the innate
human attraction to natural systems and processes.
MATERIALS Endorsing products and processes that are safe for all species through time
11 Red List The project cannot contain any of the listed worst-in-class materials or
chemicals that are ubiquitous in the building industry.
12 Embodied Carbon Footprint The project must account for the total footprint of embodied carbon from
its construction and projected replacement parts through a one-time carbon o!set
13 Responsible Industry The project must advocate for the creation and adoption of third-party
certified standards for sustainable resource extraction and fair labor practices.
14 Appropriate Sourcing The project must incorporate place-based solutions and contribute to the
expansion of a regional economy rooted in sustainable practices, products and services.
15 Conservation + Reuse All projects teams must strive to reduce or eliminate the production of waste
during design, construction, operation, and end of life in order to conserve natural resources.
EQUITY Supporting a just, equitable world
16 Human Scale + Humane Places The project must be designed to create human-scaled rather than
automobile-scaled places, so that the experience brings out the best in humanity and promotes culture and interaction.
17 Democracy + Social Justice Reasonable steps must be taken to ensure that all people, regardless of
background, age and socioeconomic class, can benefit from the externally focused infrastructure created by the project.
18 Rights to Nature The project may not block access to, nor diminish the quality of, fresh air,
sunlight and natural waterways for any member of society or adjacent developments.
BEAUTY Celebrating design that creates transformative change
19 Beauty and Spirit The project must contain design features intended solely for human delight
and the celebration of culture, spirit and place appropriate to its function.
20 Inspiration and Education Educational materials about the performance and operation of the project
must be made public to share successful solutions and to motivate others to make change.
Image used under a Creative Commons license, photo credit: flickr user jonicdaoLearn more at www.ilbi.org/lbc
Energy Efficiency
Water Efficiency
Indoor Environmental
Quality
Site Selection
Resource Efficiency
Energy Durability
Right Sized
Home Size Trends
0
500
1000
1500
2000
2500
USA
Austra
lia
Denmark
Japan
Franc
eSpain UK
Squa
re F
eet
Home Size Trends
Missing the pointThe 6,000 square foot net-zero home
Right SizedThe Solar Homestead
Challenge Solution
Build a home that a family of four can comfortably enjoy and afford
Expandability. Expansive outdoor living space and the ability to add or reconfigure “OMs”
Learn more at www.deltechomes.com/zero-energy
Built to Last
Protection and refuge from natural disasters
Built to Last
Challenge
Solution
Build homes that resist the assault of hurricanes and other natural disasters.
Adapt the shape of home to work with nature. Understand the interactions of a home and the land.
Learn more at www.deltechomes.com
Affordable
AffordablePurdue’s 2011 Solar
Decathlon Entry
Challenge Solution
Build a zero energy home that could be found in any neighborhood in America
Accessible architecture, prefabricated construction, a smart combination of high performance but readily available technologies
Learn more at www.purdue.edu/inhome/
$0
$275
$550
$825
$1,100
20122013201420152016 2017 2018 2019 2020 2021 2022
Total Cost of OwnershipBy investing in performance, you can reduce the total cost of owning a home. A $400 savings today in energy bills is likely to be over $1,000 in energy savings in ten years.
What Would You Rather Do?What would you rather do?
Science-Based Solutions
It’s just a few simple equations...
Get your paper and calculators ready...
Building Physics
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2
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2
22
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11
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T
VP ⋅=
⋅
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1
2 −⋅=
Τλλλ
Cb
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CW
)sin()sin()cos()cos()cos(sin dldhl ⋅+⋅⋅=β
Building Physics
Seven steps to risk reduction
1. Airtight2. Fresh air ventilation3. Insulated right4. Equipped with properly sized and
installed HVAC5. Pressure balanced6. Moisture managed7. Combustion safe
First, do no harm.
Science-Based Solutions
Then, how do I make things better.
Inspiring & Beautiful
Inspiring & Beautiful
Built the right way the first time
How do we do this TODAY?
Prefabrication Location & Permaculture
Net-Zero Energy
Science-Based Solutions
Built the right way the first time
Built to LastRight Sized
Foundations of the Home of Tomorrow
Affordable
Sustainable
Inspiring & Beautiful
Steve Linton828.253.0483
The House of Tomorrow, Today
Building the
Home of
Tomorrow,
Today
Steve Linton, LEED AP
President
Deltec Homes
800.642.2508
Steve Linton, LEED APPresident, Deltec [email protected]
Learn more at
deltechomes.com
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