Passive homes on farms

👂️ Audio and questions

passive buildings = those which are designed to use very little energy
Coombs Farm
The clients had always lived in old farmhouses which were cold, ﻿ and dark.
They eventually got permission to build a house without a ﻿﻿
The building's appearance is traditional, e.g. the roof is made from ﻿﻿
Modern technology was used, e.g. triple-glazing and solar thermal panels.
The building is designed to handle ﻿ on site.
Ballcross Farmhouse
Many of the building materials were effectively free and have a low impact, including:
500 tonnes of ﻿﻿
the ﻿ which were already on the land
 ﻿ which was used inside the building 
 which was turned into insulation
Edensor Farm
The building features a central ﻿﻿
The design works so well that the building:
only needs one ﻿﻿
doesn't use any ﻿﻿
has an extremely low carbon footprint

❓ Transcript

Passive homes on farms

Welcome to today's lecture in which I'd like to focus on buildings which achieve extremely high standards of energy efficiency through their design, especially with regard to heating or cooling.

Now the buildings I'd like to tell you about today are all farmhouses.

The first of these passive homes is Coombs Farm, built for a couple who'd spent much of their life living in buildings on farms which were often hundreds of years old.

But these were very difficult to heat and keep warm.

They tended to be damp, plus the tiny windows meant that light levels were low.

So they wanted a new build which would be completely different.

When they engaged an architect to build them a new eco-house, she had to work around the very strict planning laws that were in place in the region.

One of these stated that any new building needed to include a chimney.

But as the house was designed with a heat pump, this was unnecessary.

And the planners agreed in the end not to insist on this, which saved a substantial amount of money.

The building is a mix of ancient and modern technologies.

So for example, the roof, like many period buildings in the region, is built of slate, giving it quite a conventional look.

But then the windows are triple glazed to the highest specifications, minimizing heat loss.

And the building also features solar thermal panels, helping to make it largely self-sufficient in terms of energy.

And rather than send the sewage off down the mains to be disposed of, and possibly ending up being dumped in the local river, the owners were keen for it to be dealt with in a compost tank right by the house.

And the idea is that it will ultimately be used as fertilizer for the garden.

The next farmhouse I'm going to discuss is called Ballcross.

And this case study illustrates how farm owners are often well placed to take advantage of the resources available on their land, which has the double advantage of and reducing the environmental impact of the building process.

This was certainly the case at Ballcross.

There were rocks across the owner's land, absolutely loads of them, something like 500 tons were collected in total.

And these were used to construct the external walls of the new farmhouse.

Obviously doing that was inexpensive, and it was carbon neutral.

Internally, the stairs, floors, and various other components were constructed from the oak which was sourced from around the farm, again effectively at zero cost.

The owners are sheep farmers, and so to insulate the walls, roof, and floors, perhaps unsurprisingly, they turned to the wool from their own livestock.

It did need to undergo some processing before being usable as an insulating material, but again, it was readily available, virtually free, and of course, completely renewable.

And finally, there's Edenzer Farm.

This house is designed around a courtyard, which forms the heart of the building, and the windows are carefully aligned with the sun to try and get solar heat gain to a maximum.

And it's a really effective system, so much so that the entire house is heated by a single radiator, which is remarkable when you think about it.

All the energy is sustainably sourced, with a large array of photovoltaic panels on the roof that generate much of the electricity used in and by the house.

And no gas whatsoever is needed by the building, enabling it to achieve a very low carbon footprint.

So going forward, it is high-performing buildings like these which are driving the move towards decarbonization, and there's no doubt that once you guys are starting your careers...

🔥 Answer key (đáp án và giải thích)

damp

Giải thích chi tiết

Hello Dolbie 🤩 Cùng chinh phục câu hỏi này nhé 😁

🎯 Xác định loại từ cần điền: Tính từ – vì đứng giữa hai tính từ khác là cold và dark, nên chỗ trống cần một tính từ miêu tả tiêu cực nữa để mô tả điều kiện sống của những căn nhà cũ.

▶️ Thông tin cần nghe ở: 00:01:44 → 00:01:48

“But these were very difficult to heat and keep warm. They tended to be damp, plus the tiny windows meant that light levels were low.”

☺️ Cùng xem giải thích nhé:

Câu trước mô tả nhà cũ “khó giữ ấm”, rồi tiếp theo nói rằng chúng thường ẩm ướt (damp)
Đây là từ được dùng để mô tả tình trạng chung của các căn nhà cũ (giống như cold và dark)
Vậy “damp” chính là tính từ còn thiếu cần điền.

✅ Đáp án đúng: damp

🧐 DOLBIE lưu ý: ❌ wet => Đây là từ gần nghĩa nhưng mang tính miêu tả cụ thể hơn là tình trạng chung – không phù hợp với “cold” và “dark” vốn là từ mô tả cảm nhận chung. ❌ humid => Là không khí ẩm (dùng cho thời tiết), không phù hợp để miêu tả tình trạng của tòa nhà.

Chúc Dolbie học tốt và tự tin hơn trong bài thi IELTS nha 🥳💪

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