See How Two College Students Built a Tiny House for $489
Two students, Amy Andrews and Ethan Van Kooten from Central College in Pella, Iowa, had a great idea for a senior project. Because homes contribute significantly to greenhouse gas emissions, Andrews and Van Kooten, both environmental studies majors, decided to build a small, sustainable home.
"More space, more rooms and more features are 'standard' in new houses over time," said the students. "The average American family size has been decreasing over the last 50 years, but the average American home size has been increasing."
Now that tiny homes have become so popular, TV shows and movies spotlight tiny homes with construction budgets in the tens of thousands of dollars. Andrews and Van Kooten had a different plan.
Initially, they proposed an extremely modest budget of $3,350. But when they did not receive any grant money, they had to get even more creative. Their new budget: $489. With only 10 weeks to build it, their professor, Anya Butt, admitted she doubted at first whether they would be able to finish their project with such limited time and money.
To begin, the two students reclaimed a 52-year-old granary. “My great-great grandpa, great-grandpa and grandpa built it for shelled corn,” Van Kooten said. They moved the 260-square-foot dilapidated structure to Van Kooten's parents' land, where they placed it on skids to comply with zoning and building regulations. In many states, tiny homes have to be portable, so as not to violate zoning and coding laws.
Andrews and Van Kooten, who were cash-strapped and had no construction experience, became expert scavengers. After all, necessity is the mother of invention. They reclaimed lumber, insulation, cabinets, countertops and even a chandelier from buildings in the area that were set to be demolished and from the Pella and Vermeer corporations. They converted an old hog feeder into a loft and they transformed a deer stand into a ladder.
Both Andrews and Van Kooten had always wanted to do something like this. “This is like all my 'Little House on the Prairie' dreams come true,” said Andrews. It was certainly a lot of work, though. The Central College students spent about 500 hours building the tiny home with Van Kooten’s father, Kent Van Kooten, contributing many hours. Van Kooten said it was a great bonding opportunity for him and his dad. During construction, they excitedly shared all the ideas they had. “If I could put it in a tree, I would,” Van Kooten said.
The students left out features they wanted but couldn’t afford, like a composting toilet and a solar water heater, according to Central College. But they still plan to add a six-foot porch, plus rain barrels that will provide filtered water for the sink. “It’s awesome if you have thousands of dollars to buy a lot of materials and make something really beautiful,” Butt said, “But these students showed you can do a lot without a budget. The idea that so much can be reused is eye-opening.”
Andrews and Van Kooten hope their project "prompts others to consider ways they can become comfortable with a simpler, more sustainable lifestyle." The two students know it changed their mindset. “I keep asking, ‘What else can I do?’” Andrews said. Scavenging materials has become a habit for her.
Watch this short interview of Andrews and Van Kooten by Bryon Houlgrave of the Des Moines Register:
Below is a budget breakdown for their project from Central College:
Original budget: $3,350
Project by Mount Holyoke College senior Sarah Hastings: budget $8,000, final cost $12,000-14,000
Project featured in “Tiny: A Story about Living Small” documentary: $26,000
- Original structure (granary)
- Four windows, donated
- Interior cabinets, sink and carpet, salvaged from Pella house
- Insulation, salvaged from Hilltop manor retirement home
- Wood stove, donated
- OSB plywood for ceiling, $110
- Exterior paint, $25
- Foam ceiling vents, $25
- Bolts, $10
- Door frame, $40
- Exterior door, $13
- Interior paint, $30
- Drip cap for windows, $16
- Brick mold for window frames, $60
- Wood stove piping materials, $120
- Total Cost: $489
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Sweden is a world leader in renewable energy consumption. Swedish Institute/World Bank
Naturally Warm<p>54% of Sweden's power comes from renewables, and is helped by its geography. With plenty of moving water and 63% forest cover, it's no surprise the <a href="https://sweden.se/nature/energy-use-in-sweden/#" target="_blank">two largest renewable power sources</a> are hydropower and biomass. And that biomass is helping support a local energy boom.</p><p>Heating is a key use of energy in a cold country like Sweden. In recent decades, as fuel oil taxes have increased, the country's power companies have turned to renewables, like biomass, to fuel local 'district heating' plants.</p><p>In Sweden these trace their <a href="https://www.sciencedirect.com/science/article/pii/S0360544217304140#fig3" target="_blank">origins back to 1948</a>, when a power station's excess heat was first used to heat nearby buildings: steam is <a href="https://www.sciencedirect.com/topics/engineering/district-heating-system" target="_blank">forced along a network of pipes</a> to wherever it's needed. Today, there are around 500 district heating systems across the country, from major cities to small villages, providing heat to homes and businesses.</p><p>District heating used to be fueled mainly from the <a href="https://www.sciencedirect.com/science/article/pii/S0360544217304140" target="_blank">by-products of power plants</a>, waste-to-energy plants and industrial processes. These days, however, Sweden is bringing more renewable sources into the mix. And as a result of competition, this localized form of power is now the country's<a href="https://www.sciencedirect.com/science/article/pii/S0360544217304140#fig3" target="_blank" rel="noopener noreferrer"> home-heating market leader.</a></p>
Sweden is using smart grids to turn buildings into energy producers. Huang et al/Elsevier
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