Building to the weather, Bennington, VT, #2

This picture was taken on July 5th.
The date is important. Here you see how the roof extends, creating eaves that shade the windows of this house from the hot July sun.
In the summer, the sun here in New England is high in the sky. A 16" eave will shade about 5' of the wall below it. Here you can see that the roof over the first floor extend the farthest, casting a longer shadow than the main roof whose shadow covers little more than half the second floor windows. The roof over the sun porch on the right side is also shallow.
Later in the summer, the sun will be lower in the sky. The eaves will not cast as deep a shadow. But the tree will. Its shade will include the front of the house.
In the winter months, when the sun is at a much lower angle, the eaves will not block the welcome sunshine and heat. I will take another picture then and add it to this post.

The porch was probably all screens when it was built - set on the northeast side of the house, held back from the front corner to allow it to be shaded by the house from the sun in the afternoon. These porches have often been glassed in by later owners as they are beautifully sited to be delightful places on sunny late fall and then late winter mornings.

a note on the style: The house is Colonial Revival with a nod toward Cotswold cottages with the deep roof overhangs reminiscent of thatch, the small windows over the entrance, and especially the clipped roof on the gable end, sometimes referred to as a 'jerkin head' after a monk's cowl.

Building to the weather - Bennington, VT, #1

in this case, PLANTING to the weather
a post for the summer solstice

Here are 2 pictures of the same house. The first was taken in April, the second in June.
Note the absence of shade in April, its presence in June.
The house was build around 1765 in southern Vermont. The trees were planted around the same time.

In the spring, when the warmth of the sun shining through the windows into the house is so welcome, the trees are just beginning to bud. By June, the trees have leafed out shielding the house from the hot sun. They will protect the house though October. Late fall and through winter, the sun will once again be able to warm the house.
Not only do the trees keep the sun off the house, they create a micro-climate. In their shade the air temperature will be about 10* cooler than out in the sun. This temperature change also creates a breeze, always welcome on a hot day.

In lower latitudes, the path of the sun across the sky is different. The east and west elevations are the ones which need trees for shade, while a roof overhang is enough to shade the south facade.

Each climate has its own ways to shelter from the sun. For me one of the pleasures of traveling is watching how a particular part of the world builds, and plants, to its particular climate.

When I wrote- on this blog - about the Park-McCullough House Carriage Barn, I hoped to explain to a modern audience this basic knowledge about climate that our ancestors took for granted. I thought using a building everyone could visit (as it was open to the public) would make the ideas more accessible: you could go look for yourself. I found instead that readers thought only rich people who hired architects built to the weather. 

This time my illustrations are ordinary, vernacular buildings.

Building to the weather - Part 6 of 7: The Big House is 'green' too

In a previous post, I described how the Park-McCullough's Carriage Barn uses 'original green' design to work with the climate. This post is about how the main house uses the same green techniques.

The Big House, as the family called their summer home, has porches designed to shield the first floor from the strong summer sunshine. Large windows - 7 ft tall by 3 ft wide - are set across from each other, making cross ventilation easy. The Observatory acts as a vent at the top of the House, just the cupola does on the Barn.



This photo shows how the deep porch keeps the main floor in the shade, while the master bedroom on the second floor front corner gets morning sun.




Shutters from bedrooms into the upstairs hall allow air flow across sleeping rooms and up though observatory - creating a summer breeze while preserving privacy. Screening for windows had not been invented when the Big House was built. 















The Observatory: its vents work as do those in a cupola. It is also a wonderful place to look out over the countryside.












The 2 main entrances are to the south and east. The south entry is a weather entry (meaning two sets of doors that act like an air lock), and both are out of the wind.


The southern entry is at the center of the photo, with the tall window allowing light into the weather entry. In the 1890's the family added a breakfast room (visible at the end of the porch), which is sunny all day long.



Like the tack room at the Barn, there are rooms designed to be warm and bright. On the first floor the library (which became Lizzy Park McCullough's morning room) is a small room, easily heated, surrounded on three sides by the House. Similarly Laura Hall Park (Lizzy's mother) had her own room on the second floor. A beautiful room with a room-wide, floor-length bay window facing south, snugly set in the middle of the house, it has it's own fireplace. Laura did beautiful embroidery - she left some for us to admire. It is easy to imagine her sewing by the window.

The south facing bay window floods Laura Hall Park's second floor morning room with light. A morning room was a Victorian lady's personal, informal space, an antidote to the formal entertaining rooms on the first floor.




The layout of the House brings light and sunshine into the family space on the second floor. The main bedrooms are on the east and south sides of the House, the swing rooms to the north.
The House boasted a 'modern' central heating system when it was built in 1864, but all the rooms still had coal fireplaces (some were later reworked to be wood burning). All the rooms could be closed in with doors, shutters, and heavy floor length drapes.



A typical bedroom fireplace with a coal insert.


The open second floor sitting room dates from the 1890's renovation, after the central heating system was upgraded.

Here is the whole series:

Part 1 - http://www.jgrarchitect.com/2008/04/building-to-weather.html

Part 2 - How does the carriage house work with the sun to minimize wind chill?
              http://www.jgrarchitect.com/2008/04/building-to-weather-2.html

Part 3 - Why bother with a cupola?
             http://www.jgrarchitect.com/2008/05/thats-pretty-amazing-cupola-with-all.html

Part 4 - Eaves? they're important?
             http://www.jgrarchitect.com/2008/05/eaves-for-work-and-play.html

Part 5 - How a floor plan makes a difference:
             http://www.jgrarchitect.com/2008/06/no-tech-warmth-with-low-tech-aid.html

Part 6 -  A look at how these concepts were used at the Big House:
             http://www.jgrarchitect.com/2008/09/big-house-is-green-too.html

Part 7 - Shutters:            
             http://www.jgrarchitect.com/2008/03/shutters-ok-i-know-that-they-were-for.ht

Building to the weather - what is Original Green?

"Original Green, passive solar, building to the weather."

These are all ways to describe the same thing - how people all over the world have traditionally built to work with their specific climate.

People who look at architecture often see buildings as aesthetic symbols, or evidence of a society's aspirations. Sometimes they see buildings in terms of structure and technology. Often they focus on monuments, places intended for ceremony. Europe's Gothic cathedrals are excellent examples of all those ideas. But buildings are foremost shelter, a place to be inside - protected from the weather, whatever it may be - spaces for living. Even cathedrals had spaces where people lived - cloisters - and often served as informal gathering places.

But our ancestors spent much of their lives outside. They lived without electricity, central heat or air conditioning, so they had to understand their surroundings. They learned how to adapt their buildings to their weather, making their daily lives more comfortable by how they fashioned those buildings. And they did this with no modern technology. Instead, they understood the basic forces: sun, rain, wind - the macro-climate - and their building sites, where topography and geography create specific micro-climates. Their solutions are wonderful, inventive, brilliant. So what I'm saying, is, " Hey, pay attention! This is great stuff! It's all around us, in its marvelous variety. Maybe you are lucky enough to already live in it!"

Read my  7 part series about 'building to the weather' at the Park-McCullough Barn and House


Part 1 - http://www.jgrarchitect.com/2008/04/building-to-weather.html

Part 2 - How does the carriage house work with the sun to minimize wind chill?
              http://www.jgrarchitect.com/2008/04/building-to-weather-2.html

Part 3 - Why bother with a cupola?
             http://www.jgrarchitect.com/2008/05/thats-pretty-amazing-cupola-with-all.html

Part 4 - Eaves? they're important?
             http://www.jgrarchitect.com/2008/05/eaves-for-work-and-play.html

Part 5 - How a floor plan makes a difference:
             http://www.jgrarchitect.com/2008/06/no-tech-warmth-with-low-tech-aid.html

Part 6 -  A look at how these concepts were used at the Big House:
             http://www.jgrarchitect.com/2008/09/big-house-is-green-too.html

Part 7 - Shutters:          
             http://www.jgrarchitect.com/2008/03/shutters-ok-i-know-that-they-were-for.ht

Building to the weather - Part 5 of 7: What goes where, a no-tech solution

All over the world people have learned over the centuries how to work with their specific conditions - their macro- and micro- climates. This is the technical definition of 'original green'. I have used the past several posts to detail the design of the Park-McCullough carriage house, to illustrate how the architect worked with the southern Vermont climate, while also creating a visual masterpiece.

This post focuses on the layout of the spaces inside the barn, how they plan works with the weather. Here's the floor plan: South is to the top, north on the bottom, the horse stalls to the west (right side), the front door to the east (left side). The general purpose room is where a horse would have been harnessed to a carriage, while the small bay to the south (top) was for carriages, maybe those needing maintenance. Note than no door opens to the north or west - only toward the mild east or the sunny south. There is a logical, efficient progression of spaces from the horse stalls to the carriages and on to the front door, with stops along the way for harnessing and tack, additions on the sides for staff quarters and repair, and space overhead for hay and grain.

This building is also designed to maximize the comfort of its occupants all year round - without technology. The long working side of the barn faces south - the previously mentioned spaces for the carriages to be readied for use, as well as the tack room holding leather bridles, saddles, horse paraphernalia. Next comes the store room for harness, and the grooming room with double doors facing south, and then the stable. On the other side of the building, the north side of the main carriage space (holding carriage not in use) can be closed off in winter by 20' long sliding doors. There is a 'people' door (3 ft. wide) between the hall and the north bay bearing Trenor Park's monogram, which speaks to this north side's regular separation from the main bay.

Continuing around the building, the horse stalls on the west end need only small windows set high in the wall, literally 'horse windows' just the right size and height for horses to look out of. Thus, with only a few small openings, the stable also becomes a barrier to the cold west wind in winter, helped in part because the horses' own heat will keep the stable warm, making it a buffer for the main barn.

The two chimneys in the barn serve the rooms designed for people; the grooms' quarters on the north side, and the tack room, on the south. The tack room - a work room - is buffered from the elements by being set in the middle of the building, almost entirely surrounded by the carriage and store rooms. It has a large window for natural light, and the warmth of the winter sun . Even its exterior walls are set in a sun pocket, where they are protected by south and east facing walls. With a coal stove, this room would have been a cozy place to mend tack and talk about horses. The wash room is protected by its location too. It is in the center of the carriage house, beside the tack room, under the hay loft. The water used to wash the carriages drained down the sloped tin floor into the cellar. That water would not have been quite so cold here in the winter, in a room buffered on all sides. Above it all is the hay loft, filled with fabulously good insulation (hay!), which disappears in the summer when it is not needed, and reappears each fall.

Lastly, there are those large carriage house windows, which let in the welcome winter sun shine, and can be opened across from each other in good weather, encouraging breezes. And so we come full circle to my post about the cupola, and how it acts as original air-conditioning.


Here is the whole series:

Part 1 - http://www.jgrarchitect.com/2008/04/building-to-weather.html

Part 2 - How does the carriage house work with the sun to minimize wind chill?
              http://www.jgrarchitect.com/2008/04/building-to-weather-2.html

Part 3 - Why bother with a cupola?
             http://www.jgrarchitect.com/2008/05/thats-pretty-amazing-cupola-with-all.html

Part 4 - Eaves? they're important?
             http://www.jgrarchitect.com/2008/05/eaves-for-work-and-play.html

Part 5 - How a floor plan makes a difference:
             http://www.jgrarchitect.com/2008/06/no-tech-warmth-with-low-tech-aid.html

Part 6 -  A look at how these concepts were used at the Big House:
             http://www.jgrarchitect.com/2008/09/big-house-is-green-too.html

Part 7 - Shutters:            
             http://www.jgrarchitect.com/2008/03/shutters-ok-i-know-that-they-were-for.ht

Building to the Weather - Part 4 of 7: Eaves, at work and play

Eaves do very important work.
From a practical perspective, they help to keep the rain water that drips off of a building's roof away from its walls. Water on the walls will become trapped water inside the walls, which quickly leads to mildew, mold, and rot. Similarly, eaves keep icicles from forming directly on a building's outer walls (an icicle on the wall can become an icicle dripping down the wall, leading again to water inside the wall).















Eaves that stick out 6" are just barely deep enough to keep rain off; a 9"-12" overhang is better. The Carriage House eaves shown here are 18" deep. Copper gutters - now worn out and removed - originally sat in the curved brackets running along the edge, adding 4" more depth as well as redirecting the water.

Eaves are also for play, of course - they make the carriage house fun to look at. And without eaves, this building would just be an awkward box with bumps. The length of the eaves, their edge moldings, and the rows of brackets underneath all come together to create a roof that visually shelters what's inside and delights the eye. The corbels facing both ways at the ends of the dormer windows and the at the barn's cornerssee the first photo) are just frosting on the cake.

The eaves here have another job - quite visible in the second picture. This is the south view of the western end of the barn - the eaves keep the summer sun from shining in the windows. This photograph was taken in early May, when the shadow line of the eaves is below the small windows in the stable - the sun will not shine in these windows again until late August. With the extra 4"of gutter, the windows would be shaded earlier and later in the year. Because the sun's path across the sky changes with the seasons (due to the Earth's tilt and rotation around the sun), in winter the sun will be low enough in the sky to shine below the eaves, and into those windows, bringing light and heat to the space inside.

That's a lot of creative 'green' stuff for an ordinary building detail to do. 


Here is the whole series:

Part 1 - http://www.jgrarchitect.com/2008/04/building-to-weather.html

Part 2 - How does the carriage house work with the sun to minimize wind chill?
              http://www.jgrarchitect.com/2008/04/building-to-weather-2.html

Part 3 - Why bother with a cupola?
             http://www.jgrarchitect.com/2008/05/thats-pretty-amazing-cupola-with-all.html

Part 4 - Eaves? they're important?
             http://www.jgrarchitect.com/2008/05/eaves-for-work-and-play.html

Part 5 - How a floor plan makes a difference:
             http://www.jgrarchitect.com/2008/06/no-tech-warmth-with-low-tech-aid.html

Part 6 -  A look at how these concepts were used at the Big House:
             http://www.jgrarchitect.com/2008/09/big-house-is-green-too.html

Part 7 - Shutters:            

             http://www.jgrarchitect.com/2008/03/shutters-ok-i-know-that-they-were-for.ht















Read Building to the Weather - Part 3.
Read 

Building to the weather - Part 3 of 7: Original AC, or how to keep your barn from burning up, and your horses cool

 What a great architectural flourish at the top of the Park-McCullough carriage barn! An amazing cupola - with all its roof angles and arched vents.

It's also an important part of the cooling system. A vent at the top of a hay barn is essential: stored hay gets hot - hot enough to burst into flame. The vents let that heat escape out into the air.
They also help to keep the barn cool for people. Heat rises, so if there is an opening at the top of a building warm air trapped inside will escape. As that warm air goes out, replacement air has to come in from someplace else. If there is an opening - a door or window - lower down in the building, new, cooler air will flow in. If the vent at the top is smaller than the opening below, the amount of air coming in is greater than the amount that can easily go out. And more air wants to come in behind it! The air going out has to rush making a breeze.

In the summer, when the windows are open and the doors to the hay loft are open, a breeze will keep the carriage house, the workmen, and the horses cool.


Here is the whole series:

Part 1 - http://www.jgrarchitect.com/2008/04/building-to-weather.html

Part 2 - How does the carriage house work with the sun to minimize wind chill?
              http://www.jgrarchitect.com/2008/04/building-to-weather-2.html

Part 3 - Why bother with a cupola?
             http://www.jgrarchitect.com/2008/05/thats-pretty-amazing-cupola-with-all.html

Part 4 - Eaves? they're important?
             http://www.jgrarchitect.com/2008/05/eaves-for-work-and-play.html

Part 5 - How a floor plan makes a difference:
             http://www.jgrarchitect.com/2008/06/no-tech-warmth-with-low-tech-aid.html

Part 6 -  A look at how these concepts were used at the Big House:
             http://www.jgrarchitect.com/2008/09/big-house-is-green-too.html

Part 7 - Shutters:            
             http://www.jgrarchitect.com/2008/03/shutters-ok-i-know-that-they-were-for.ht

Building to the weather - Part 2 of 7: Creating a sun pocket

Here is the main facade of the Park-McCullough House Carriage Barn.

As I wrote in the previous post, it faces east, away from prevailing winds and into the morning sun. Notice that the door - a huge door wide enough for carriages and horses - is set back. This is partly so that the hay door above is easily accessible for hay wagons - they can be parked underneath and unloaded. The recessed space also protects against the wind and gathers the sun, making a pocket of warmth. Gardeners know that sheltered sunny nook where the first daffodils will bloom; this recessed entry creates a sheltered sunny place for horses and people.

Many buildings have a double entry that functions like an air lock: one enters through a set of doors into a little vestibule, closes those doors, then opens another set of doors to enter the main space. It's a way to keep cold air out of a warm space (and vice versa when there is air-conditioning.)


A double entry on a barn is not practical. Imagine how big the airlock would need to be for a carriage with horses! This recessed entry is a pretty good substitute - the doors can be opened without the wind rushing in, and on a sunny day in winter, heat may even come in.



Here is the whole series:

Part 1 - http://www.jgrarchitect.com/2008/04/building-to-weather.html

Part 2 - How does the carriage house work with the sun to minimize wind chill?
              http://www.jgrarchitect.com/2008/04/building-to-weather-2.html

Part 3 - Why bother with a cupola?
             http://www.jgrarchitect.com/2008/05/thats-pretty-amazing-cupola-with-all.html

Part 4 - Eaves? they're important?
             http://www.jgrarchitect.com/2008/05/eaves-for-work-and-play.html

Part 5 - How a floor plan makes a difference:
             http://www.jgrarchitect.com/2008/06/no-tech-warmth-with-low-tech-aid.html

Part 6 -  A look at how these concepts were used at the Big House:
             http://www.jgrarchitect.com/2008/09/big-house-is-green-too.html

Part 7 - Shutters:            
             http://www.jgrarchitect.com/2008/03/shutters-ok-i-know-that-they-were-for.ht

Building to the weather - Part 1 of 7: Maximizing sun exposure

What does it mean to 'build to the weather'?

Look at this 1864 barn, the Park-McCullough House Carriage House, designed by an architect for a very wealthy family. A working stable - people and horses lived in it year round. It had very little heat: a stove in the tack room, another in the living quarters. However, its use of natural forces for winter warmth and summer cooling were quite effective. The techniques can be seen in many other barns built for ordinary farmers.

There was plenty of land - the barn could have been sited and organized in many different ways. Architecturally, it was placed visually to compliment the House, sitting just beyond it and framing the lawn. The main facade looked back to the House (and the flower garden and pond, which are no longer there). add another photograph of the House and barn together

The architect considered the climate. He understood how to work with the sun. He set the long side of the barn to face due south for maximum sunshine - technically called 'solar gain'. The east end, the front, would get morning sun; the south side, sun all day; the west side, afternoon sun; and the north side, a brief bit of sun only in mid-summer. He knew that in this part of western Vermont the wind blows mainly from the west, sometimes from the north. Wind is good for cooling in the summer, but makes things colder in the winter - technically called 'wind chill'.

Here's the whole series:

Part 1 - http://www.jgrarchitect.com/2008/04/building-to-weather.html

Part 2 - How does the carriage house work with the sun to minimize wind chill?
              http://www.jgrarchitect.com/2008/04/building-to-weather-2.html

Part 3 - Why bother with a cupola?
             http://www.jgrarchitect.com/2008/05/thats-pretty-amazing-cupola-with-all.html

Part 4 - Eaves? they're important?
             http://www.jgrarchitect.com/2008/05/eaves-for-work-and-play.html

Part 5 - How a floor plan makes a difference:
             http://www.jgrarchitect.com/2008/06/no-tech-warmth-with-low-tech-aid.html

Part 6 -  A look at how these concepts were used at the Big House:
             http://www.jgrarchitect.com/2008/09/big-house-is-green-too.html

Part 7 - Shutters:            
             http://www.jgrarchitect.com/2008/03/shutters-ok-i-know-that-they-were-for.ht