This week on the Green Building Show we wrap up our series on disaster design, by finding out what it takes to design and build in a hot climate. See more on www.lighthome.c...
Planning on a house in the hot tropics. This is very helpful! To note, I've learned that our current house in the tropics, it is important that the surrounding surface of the house does not create/keep the heat (like a cemented/paved driveway) and having the breeze carry it through the house.
bury a large pipe under ground, deep enough to capture the coolness of that depth .. the depth will be in the range of 10' to 15' deep. connect this cool air pipe to your duct work. now allow the air to flow from the floor across the room to a ceiling register in the attic . this is how the flow is generated, no fan needed. the bigger the house the bigger the diameter pipe needed. and the longer also.... free conditioned air is very possible
you prolly dont give a shit but if you guys are stoned like me atm you can stream all of the new movies and series on InstaFlixxer. Been binge watching with my girlfriend for the last months xD
I lived with quakers when I was in college. They had an attic fan that they would turn on in the evening after opening the windows. It would suck the heat out and pull cooler air in through the open windows. They didn't run it all night but just until the house cooled. Then, in the morning, they closed up the windows. It worked very well!
I've thought about building a house with a flat roof and then a pole barn structure with a peaked roof over that. The flat roof would function as a deck and would have a 2nd floor porch all the way around it, extending out to near the edge of the peaked roof. A matching porch would extend around most of the building on the first floor with the exception being a possible garage entrance. With this design it wouldn't matter how hot the roof got because it's not enclosing an attic. I've also considered incorporating chimney like structures projecting from the flat roof with heat activated vents and possibly fans. The idea would be that hot air in the rooms would rise into the chimneys and be vented when it got hot enough. I'd have to test this idea before using it as the temperature differential between the top of the chimney and the room below might not be enough to make it an effective cooling technology. Diffusion of air molecules might make the room temperature too uniform for this to be of benefit. I've also toyed with the idea of playing a misting system around the outer perimeter of the house to lower external temperatures, but this might promote rotting of wood and would not be as effective in our humid climate as it is in drier areas. Anyhow it's just an idea right now as I don't have the financial means to make it a reality.
Brilliant, mate. I'm thinking of possible designs for our family home. The wife thinks I'm mad - no money for land or a house (well, 20K in crypto) - but if you don't plan ahead and have a vision to aim for .... Earthships look good.
@@Nautilus1972 exactly! similar situation here. Not a whole lot of money, but need a vision. Fiance wants a brick house for thermal properties, whereas I'm thinking timber would be a lot cheaper and more flexible designs possible - like what this guy is suggesting with this roof over the house kind of idea.
I'm in a hot climate but I've lived in the tropics. In wet, hot climates thermal mass isn't as important due to the limited diurnal fluctuation, I didn't realize that. Nonetheless, it would be important to keep thermal mass away from the building on the exterior, too. Here in southern California all the houses have stucco cement jackets over them, to keep the sun's warmth penetrating into the house, into the evening as well as during the day. Backwards. The thermal mass should be inside the envelope and deployed according to location and heat absorption properties. Exterior should reflect away all parts of the light spectrum but especially the low frequency radiant heat, and retain as little (light weight) heat as possible. Someone should experiment with laying a radiant barrier on the ground around the house, where the sun hits. We use rigid insulation for that now, but it too absorbs radiant heat until it's saturated, and then passes it on. A radiant barrier would keep the ground cooler, allowing for evaporative cooling tubes etc., to be placed at less depth and would increase the cooling benefits of any basement air circulation system.
Actually, with all the fires we’ve had in s.cal. and the lengthening fire season, all that concrete cladding (stucco) is looking better and better. Fire resistance is something we didn’t have to worry about before. We sure do now.
I'm an architect in central Brazil. Most of our houses are built with ceramic bricks, because we inherited the construction tradition from the Portuguese, who colonized us. The high thermal mass of our walls is a problem when they receive direct solar radiation. But when shaded by balconies or large eaves, the walls remain cold and the internal temperature becomes very pleasant for several hours.
Saint Michael's Sustainable Community uses these principles. They build into the sides of the the mountains facing the ocean. There are gardens on the roofs, the homes are all cross ventilated, The east and west of the buildings are shaded with plants or rain water collection, (The view is an ocean view - Southward), all rooms have high windows to allow warm air to escape at night, and the exterior walls are covered with ivy that cools though the chemical process of the water being evaporated (changed from a liquid to a gas). The water used for the cooling process is grey water from sinks and showers. The entire home is transformed into a free energy chiller. The homes all have systems to collect and store rain water, edible landscaping, medicinal plant gardens,and lots of rare fruit trees plus all of your favourites in the 100 plus fruit tree varieties on site. There is also a food forest with 18 hole disc golf course. You can rent some of these homes there. It is enchanting.
Hello i love your video. Good job. I am from a hot climate and I very much appreciate the information you have provided in this video. Please I was wondering if it is possible to have the plan for the swanzy house. Thank you
What the hell is going on in this video? @1:44, guy sounds like he's having a stroke; then, at 10:44, the sound goes haywire, lady's mouth right up against the microphone.
niceslug We do get odd puffs of breeze, but you cannot rely on it. Mostly it's a hot humid breeze whenever it blows in a window. LOL. But I understand what this guy is saying. In a place like Karratha, North of Perth, where it is hot but not so humid, or some place where there is a breeze, like along the east coast, it might be fine. Not here in Darwin. I'm planing to build, small windows, double glazed, closed cell spray foam and air cond. Open windows only lets the humidity in. LOL. Cheers.
V8SB4U2 VASB4U2 Yes, Cains has breezes, BUT, Darwin doesn't. So, building for hot climates is a little too broad of a statement. Hot climates can be dry, or humid, windy or calm, and what works in one area may not work in another. Clearly you missed my point.
Planning on a house in the hot tropics. This is very helpful!
To note, I've learned that our current house in the tropics, it is important that the surrounding surface of the house does not create/keep the heat (like a cemented/paved driveway) and having the breeze carry it through the house.
bury a large pipe under ground, deep enough to capture the coolness of that depth .. the depth will be in the range of 10' to 15' deep. connect this cool air pipe to your duct work. now allow the air to flow from the floor across the room to a ceiling register in the attic . this is how the flow is generated, no fan needed. the bigger the house the bigger the diameter pipe needed. and the longer also.... free conditioned air is very possible
It's honestly amazing that it's not more common in Australia
Blahblahblah Blah
Digging is expensive
you prolly dont give a shit but if you guys are stoned like me atm you can stream all of the new movies and series on InstaFlixxer. Been binge watching with my girlfriend for the last months xD
@Karter Quentin Yea, I've been using instaflixxer for years myself =)
@Karter Quentin Yea, have been using instaflixxer for since november myself :D
I lived with quakers when I was in college. They had an attic fan that they would turn on in the evening after opening the windows. It would suck the heat out and pull cooler air in through the open windows. They didn't run it all night but just until the house cooled. Then, in the morning, they closed up the windows. It worked very well!
A raised house is an absolute must for me. Protect from flooding at all costs.
I designed my house in tropical Laos solely on this videos recommendation. It all works perfectly.
I find this very informative mostly because you invited an architect hence we get to appreciate the intricacies of passive design.
Fantastic video! Exactly what I was looking for to start off the thinking wheel
I've thought about building a house with a flat roof and then a pole barn structure with a peaked roof over that. The flat roof would function as a deck and would have a 2nd floor porch all the way around it, extending out to near the edge of the peaked roof. A matching porch would extend around most of the building on the first floor with the exception being a possible garage entrance.
With this design it wouldn't matter how hot the roof got because it's not enclosing an attic.
I've also considered incorporating chimney like structures projecting from the flat roof with heat activated vents and possibly fans. The idea would be that hot air in the rooms would rise into the chimneys and be vented when it got hot enough. I'd have to test this idea before using it as the temperature differential between the top of the chimney and the room below might not be enough to make it an effective cooling technology. Diffusion of air molecules might make the room temperature too uniform for this to be of benefit.
I've also toyed with the idea of playing a misting system around the outer perimeter of the house to lower external temperatures, but this might promote rotting of wood and would not be as effective in our humid climate as it is in drier areas.
Anyhow it's just an idea right now as I don't have the financial means to make it a reality.
Brilliant, mate. I'm thinking of possible designs for our family home. The wife thinks I'm mad - no money for land or a house (well, 20K in crypto) - but if you don't plan ahead and have a vision to aim for .... Earthships look good.
@@Nautilus1972 exactly! similar situation here. Not a whole lot of money, but need a vision. Fiance wants a brick house for thermal properties, whereas I'm thinking timber would be a lot cheaper and more flexible designs possible - like what this guy is suggesting with this roof over the house kind of idea.
@@Nautilus1972 oh fuck I guess your wife is even more mad right now, right? 🤣
Great interview thanks!
This is so informative and interesting. Thank you! Are there any significant updates on this information as of 2022?
Any idea to effectiveness of creating an attic ventilation for tropical (hot) climate house to enable hot air to escape?
I need this cool house to be cyclone proof
Very good I am from Pakistan I will be building my house on this principles thank you
I'm in a hot climate but I've lived in the tropics. In wet, hot climates thermal mass isn't as important due to the limited diurnal fluctuation, I didn't realize that. Nonetheless, it would be important to keep thermal mass away from the building on the exterior, too. Here in southern California all the houses have stucco cement jackets over them, to keep the sun's warmth penetrating into the house, into the evening as well as during the day. Backwards. The thermal mass should be inside the envelope and deployed according to location and heat absorption properties. Exterior should reflect away all parts of the light spectrum but especially the low frequency radiant heat, and retain as little (light weight) heat as possible.
Someone should experiment with laying a radiant barrier on the ground around the house, where the sun hits. We use rigid insulation for that now, but it too absorbs radiant heat until it's saturated, and then passes it on. A radiant barrier would keep the ground cooler, allowing for evaporative cooling tubes etc., to be placed at less depth and would increase the cooling benefits of any basement air circulation system.
Actually, with all the fires we’ve had in s.cal. and the lengthening fire season, all that concrete cladding (stucco) is looking better and better. Fire resistance is something we didn’t have to worry about before. We sure do now.
I'm an architect in central Brazil. Most of our houses are built with ceramic bricks, because we inherited the construction tradition from the Portuguese, who colonized us. The high thermal mass of our walls is a problem when they receive direct solar radiation. But when shaded by balconies or large eaves, the walls remain cold and the internal temperature becomes very pleasant for several hours.
Saint Michael's Sustainable Community uses these principles. They build into the sides of the the mountains facing the ocean. There are gardens on the roofs, the homes are all cross ventilated, The east and west of the buildings are shaded with plants or rain water collection, (The view is an ocean view - Southward), all rooms have high windows to allow warm air to escape at night, and the exterior walls are covered with ivy that cools though the chemical process of the water being evaporated (changed from a liquid to a gas). The water used for the cooling process is grey water from sinks and showers. The entire home is transformed into a free energy chiller. The homes all have systems to collect and store rain water, edible landscaping, medicinal plant gardens,and lots of rare fruit trees plus all of your favourites in the 100 plus fruit tree varieties on site. There is also a food forest with 18 hole disc golf course. You can rent some of these homes there. It is enchanting.
Good on ya mate
Thank you for your video
Any one know well a geodome works compered to these ?
Hello i love your video. Good job. I am from a hot climate and I very much appreciate the information you have provided in this video. Please I was wondering if it is possible to have the plan for the swanzy house. Thank you
I am resident of Bahawalnagar one of the hottest district in Pakistan . I really appreciate the advice provided in the video .
It is not that hot bro
what about aircon?
Can you please list the material used in kaith house please ? Somehow the voice is not that clear to me.
Thank you !
great content, but sound is awful...
I didn't know Zac Efron new so much about architecture. Who knew!
The information shared was very informative. I appreciate if you could also add some Architectural details.
Thank you
great advise thanks
Great vid; thanks !
Build with wooden materials make it cool inside.plant more trees surrounding house.easy as 123 😅
Nice
Just put marmer stone and your house stay cool all day
If heat rises, why would you want a raised house?
Tropics = rain. In relationship with the heat rising it does not affect it.
the audio is not very good
Hot climate = termites, minimize wood and no soft wood.
What the hell is going on in this video? @1:44, guy sounds like he's having a stroke; then, at 10:44, the sound goes haywire, lady's mouth right up against the microphone.
hence ur name
You can’t bend the sun. In the laws of physics that is not.p a true statement. Mirrors work as well as refraction into component frequencies.
You are correct, however creating shade is thereby defecting sunlight as well
But Darwin doesn't have breezes!!!!!! The slight breezes one finds in Darwin and it's surrounds are few and far between.
+Crusty Gronk i lived in Darwin and yep, during hot months( build up ) there is no breeze. This guy is full of it
niceslug
We do get odd puffs of breeze, but you cannot rely on it. Mostly it's a hot humid breeze whenever it blows in a window. LOL.
But I understand what this guy is saying. In a place like Karratha, North of Perth, where it is hot but not so humid, or some place where there is a breeze, like along the east coast, it might be fine. Not here in Darwin. I'm planing to build, small windows, double glazed, closed cell spray foam and air cond. Open windows only lets the humidity in. LOL. Cheers.
dont want to burst your bubble but I do believe he referred to Cairns not Darwin.
V8SB4U2 VASB4U2
Yes, Cains has breezes, BUT, Darwin doesn't. So, building for hot climates is a little too broad of a statement. Hot climates can be dry, or humid, windy or calm, and what works in one area may not work in another. Clearly you missed my point.
Good content. Idiotic editing.