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Author: Charles Gale

Solar for the win

It’s all about to tip.

That’s according to a slew of scientists who predict that greenhouse gas (GHG) emissions from the power sector, the biggest source of the planet’s emissions, are expected to fall for the first time in 2023.

To be clear, this is a GOOD tipping point. We’re inundated with evidence of bad tipping points like glacier melt, global temperatures, and deforestation of the Amazon. 

Not to mention other tipping points that are merely just regrettable, like the craze for LuLaRoe Leggings.  

This will be the first year where clean energy begins to replace fossil fuels. And that’s good news.

What’s a tipping point?

The Oxford Dictionary defines “tipping point” as the point at which a series of small changes or incidents becomes significant enough to cause a larger, more important change.

Malcolm Gladwell wrote the book on tipping points. He defined it as “the moment of critical mass, the threshold, the boiling point” when trends in business, marketing, and human behavior catch fire and spread like gangbusters.

Another way of looking at it is the point at which a new solution (like solar panels) crosses a threshold of affordability, attractiveness, or accessibility, skipping along on its path to mass adoption.

When solar tipped

History shows that a tipping point for a disruptive technology can come even before it hits five percent of market share.

Solar is already way past that, and quarterly global solar installations have grown 50% each year for the past three years.  

But it took some time to get there.

Solar panel technology has been around for about 60 years, but it’s only in the last decade or so that they’ve really taken off in widespread adoption.

A number of factors contributed to this tipping point. Affordability, for one.

The cost of solar power dropped by more than 80 percent over the past decade thanks to the combined forces of technology innovation, learning-by-doing, and scaling.

In 2010, a megawatt hour of electricity fueled by solar panels cost about $378 to generate. By 2019, that cost had tumbled down to just $68 – cheaper than nuclear and coal. 

Then there are external factors like the drop in costs of solar’s required components or private- and government-funded research. The 2022 Inflation Reduction Act, with its raft of subsidies and incentives for home energy projects, is another major catalyst.

The fossilization of Big Oil

Once that tipping point is reached, the momentum is with the new technology. But tipping points don’t come easy. They’re reached after a lot of resistance, including all those early high costs and low efficiencies.

But resistance comes from the old school, too. And nobody hates the clean energy competition as much as Big Oil.

They’ve worked to block renewable energy projects across the country, through lobbying groups for one. They’ve also hired their own scientists to mislead the public about climate change.  

They do it in hiding too, by backing so-called local opposition groups that look grassroots until you track down their funding.

Hardly a fair fight

They have a lot to be scared of. Fossil fuels, restricted by region, supply, geopolitics, and contractual forces, don’t stand a chance against the unlimited, renewable energy of solar.

In fact, solar energy is now cheaper than coal and gas. The share of renewable energy that achieved lower costs than the most competitive fossil fuels doubled in 2020.

Once renewable energy is cheaper than oil and gas, the race can pretty much be called.

And with our solar-ready homes, we’re backing the winner.

Cheers,

Mike

Mike McAllister is head of story for Momo Homes.

Resources for Builders and Buyers

We think the future of homebuilding will take the work of more than one person or one company (or even one village). So in that spirit, we share with you our favorite places online where you can go deep on the housing economy, panelized construction, homebuilding’s green future, and more.

Clean energy; sustainable building

Building Decarbonization Coalition. News and resources from an electrification nonprofit.

Energy.gov: Solar. Solar energy news and information from the U.S. Department of Energy.

Energy Sage. One-stop shop and marketplace for clean-energy information and solutions.

Global Infrastructure Hub. Resources from a G20-created organization dedicated to advancing the delivery of sustainable, resilient, and inclusive infrastructure.

Passive House Plus. Articles and resources about passive home design.

RMI. News and resources from a clean-energy nonprofit. 

Schneider Electric. Microgrid information and resources from a global energy-management company.

USGBC. Resources from a nonprofit dedicated to sustainable building practices.

Housing industry, finance, economics

Bigger Pockets. Real estate investing news and advice.

Brad DeLong’s Grasping Reality. News and information from the prolific U.C. Berkeley economic historian.

Calculated Risk. Substack covering real estate data and analysis, from industry expert Bill McBride. 

Climate and Capital Media. News and information from a non-profit news organization focused on the intersection of investment and sustainability.

Eye on Housing. Housing-industry news and information from the National Association of Home Builders.

John Burns. Real Estate research and consulting.

Zonda. Housing market research tools. 

Modular / panelized construction

Offsite Builder Magazine. Industry news and information. 

Technology

IEEE Spectrum. Technology news and information from the global engineering NGO.

Steel

BuildSteel. Resources on cold-formed steel framing from the Steel Framing Industry Association.

Framecad. Cold-formed-steel resources from a leading manufacturer of steel-frame building systems.

Insulation

Residential Insulation Institute. News and information about the insulation industry. 

News organizations

Canary Media. Clean-energy news and information. 

The Crucial Years. Bill McKibben’s Substack on environmental news and solutions.

Reasons to Be Cheerful. Solutions-oriented news, much of it dedicated to clean-energy solutions. 

Volts. Substack and podcast covering the transition to a clean-energy economy.

Books

The Carbon Almanac. A collaboratively authored book offering accessible information about carbon and suggestions for next steps.

Electrify: An Optimist’s Playbook for Our Clean Energy Future. Energy entrepreneur, researcher, and policy advocate outlines a realistic plan for a renwables-powered future.

Bamboo building booming

Can bamboo save the world?

Probably not. 

But the World Economic Forum thinks it can solve both the housing crisis AND climate change.

Which is pretty close.

The botanical Road Runner

I remember my first encounter with bamboo, back in 2006, early in my journey as a plant daddy.

That year I moved into a place in San Francisco with a deck out back, the perfect spot for a container garden.  

The container part was a smart choice, because bamboo was one of the first plants I cultivated. The “running” (as opposed to the “clumping”) species quickly spreads through underground roots. Its tendency to wander beneath fences and into the neighbor’s bed of begonias makes it a risky choice for backyards.

But this fast growth—between 35 and 40 inches per day, depending on the species—is an asset for construction, making it a more renewable and sustainable option than many other building materials.

Bamboo pros

Unlike traditional wood, which can take decades to mature, bamboo can be cut down and processed after only three years. This growth rate makes it a virtually infinitely renewable resource.

Unlike timber, bamboo isn’t completely killed when harvested. A part of its stalk is left in the forest, which stimulates the root system and prompts the plant to regrow.

Their lengthwise fibers make them a sturdy, flexible, and resilient option for building. It has the compressive strength of concrete and the tensile strength of steel, and can often withstand hurricanes and earthquakes with ease.

In fact, a recent initiative of affordable bamboo housing had some of the last homes standing when tropical storm Julia hit Guatemala last year.


Even better, the four hectares (each about 10,000 square meters) of bamboo plantations supplying that initiative will provide enough sustainable bamboo to build 40 homes per year, while also providing jobs and training for the local community.

Bamboo even absorbs up to four times the carbon as some tree species. Its light weight makes it an easy and more affordable material to transport than timber. And it’s awful pretty to look at.

Bamboo cons

Like all building materials, bamboo has its drawbacks.

Though it’s been used in construction in Asia for centuries, it’s a relatively new material for North America. A lack of building codes and regulations for bamboo can make architects and designers hesitate to specify it for their projects.

What’s more, bamboo encompasses over 1,200 species and evolves uniquely with age and moisture content. The resulting variations in its structure and mechanics make it difficult to standardize for building codes.

With a high starch content, bamboo is vulnerable to natural elements like insects, fungus, fire, and rot during high humidity. Bamboo needs to be cut, treated, and stored properly to protect it. Multiple treatments are available, some more toxic than others.

Bamboo isn’t cultivated everywhere, and its limited availability can lead to logistical challenges and higher transportation costs, reducing its overall cost-effectiveness (and carbon footprint).

And as more countries get wise on the good news about bamboo, the supply chain will expand and diversify.

After all, growing is what bamboo does best.

Cheers,

Mike

Mike McAllister is head of story for Momo Homes.

How to lose 28,000 pounds

In our last post, we tracked down the ideal carbon footprint for individuals to cut emissions and blunt the impacts of climate change. 

1.87 tons per year.

That’s the first step. Now let’s break it down to a daily goal. 

1.87 tons (the target footprint) equals 3,740 pounds, or 10.25 pounds per day. 

Right now, we (Americans) are at 16 tons, or 32,000 pounds / 88 pounds per day. 

So, we need to lose 28,260 lbs. (around 77 pounds per day).

Heavier than you think

77 pounds sounds like A LOT of carbon. Isn’t carbon kinda…weightless?

It turns out carbon dioxide is 1.5 times heavier than air. 

The folks at the MIT Climate Portal offer visualizations to help us wrap our heads around this. 

A metric ton of carbon dioxide (the measurement used by scientists) takes up about as much space as a cube the length, width, and height of a telephone pole. While it may not seem like a gas can weigh that much, a metric ton is about the weight of a great white shark.

I don’t know about you, but I don’t mind the thought of cutting a few great white sharks from my life (I saw Jaws at the wrong age).

But we’re talking a daily goal of 77 pounds, which is about the size of a small Doberman Pinscher

How do I cut an attack dog out of my carbon diet?

We have some ideas.

Small (and big) actions add up. Here are the carbon emissions you can cut in one year by making a few lifestyle changes:

  • Commit to weekly Meatless Mondays: 416 lbs.
  • Use one gallon of gas less per week: 1,040 lbs.
  • Run the dishwasher only when full: 100 lbs.
  • Switch to cold-water clothes washing: 1,600 lbs.
  • Switch 10 incandescent bulbs for LEDs: 1,825 lbs.
  • Carpool to work every day: 2,000 lbs.
  • Switch from gasoline-powered car to electric vehicle: 11,400 lbs.
  • Use a ceiling fan instead of a window AC: 2,700 lbs.
  • Take one less round-trip flight: 4,000 lbs.
  • Switch to all-renewable energy for your home: 5,200 lbs.

Most of these ideas are designed to address the four major contributors to carbon footprints: food, consumption, transportation, and household energy.

But you can see how you’re doing today by calculating your footprint at carbonfootprint.com. Then use the EPA’s calculator for practical ideas (like the above) around saving on carbon (and money).

Weight loss begins at home

Being in the homebuilding business, we focus on that final carbon contributor—household energy.

We’ve been busy lately putting together a slew of energy-saving ideas you can put into action. Existing homeowners can make a few investments around the home that’ll pay off in the long run with lower energy bills.

They include heat pumps, induction stoves, insulation, and solar panels.

Homebuilders can look to innovate with sustainable alternatives to fossil-fuel guzzling appliances or carbon-emitting dinosaurs like concrete.

These include cold-formed steel, recyclable steel footings, and microgrids.

Getting off on offsets

Struggling to get to 1.87? Try a carbon offset program.

These let individuals (and companies) offset their footprint by paying to reduce emissions elsewhere. You can buy carbon offsets to compensate for any or all of your own personal carbon emissions.

Offsetting one ton of carbon will help capture or destroy one ton of greenhouse gasses that would otherwise have been released into the atmosphere. 

A slew of programs exists, but Treehugger vetted a bunch for transparency and real-world results and narrowed it down to 6 worthy contenders.

1.87 will take some trimming, but there are a lot of paths to get there.

We’ve got your cutting covered

Every component of a Momo Home is designed for energy efficiency, from the appliances to the insulation to the walls.

What’s more, just as apps can track your daily steps, our smart technology tracks your energy use, your first step to a better carbon diet. We’ll get you down to 1.87.

Cheers.

Mike

Mike McAllister is head of story for Momo Homes.

All the cool homes have ’em

Want to know the coolest thing about our homes?

Like, literally?

It’s not our choice selection of designs (though they ARE drool-worthy).

It’s not the solar packages (though we have to admit, solar looks good on us).

Nope, the coolest thing about our homes are the electric heat pumps.

I know, it sounds oxymoronic. (Are they cool or hot?) But they’re called that because they pump heat from one place to another — to the outside when you want to be cool; to the inside when you want to be warm.

The why of heat pumps has to do with the principle that heat always goes to cold.

So, when you apply that concept to a closed system containing a refrigerant and equipped with …

— a compressor (which heats the refrigerant)
— an expansion valve (which cools the refrigerant)
— a reversing valve (to change the hot-cold direction of flow)

… you can move heat to wherever you want.

Want more reasons to love them?

They’re quiet. They’re efficient. They’re handsome.

If our heat pumps had gone to your high school, they would have been the homecoming king AND a National Merit Scholar. And they would have always been considerate of others.

Efficient. Modest. Handsome. All in one package.

How cool is that?

Cheers,

Jeff

Jeff Williams is Momo’s chief marketing officer

Track your footprint like you track your footsteps

What’s the carbon footprint equivalent of 10,000 steps a day?

By now we all have that friend who interrupts conversations to peer at their app and gauge the steps they’ve racked up so far that day. (Recent studies call this number into question, but let’s not get distracted.)

We also all know we should cut our carbon footprint. But to what size is a question that goes unanswered in a lot of think-pieces about global emissions.

We need a hard number like 10,000 steps a day

I think I’ve found it.

First, some basics:

The Nature Conservancy defines a carbon footprint as: The total amount of greenhouse gasses (including carbon dioxide and methane) that are generated by our actions.

It’s pretty important that we collectively avoid raising the global temperatures by two degrees celsius by 2050. Why?

I’ll let NASA be the messenger: A 2-degree rise in global temperatures is considered a critical threshold above which dangerous and cascading effects of human-generated climate change will occur.

Something about that word “cascading” feels especially dire.

To avoid this 2-degree rise, the average annual global carbon footprint for individuals (not industries) needs to drop to under 2 tons by 2050.

The Columbia Climate School goes one step further and puts the exact number at 1.87 tons per person annually.

Our magic number is 1.87

1.87 tons may not have the ring of 10,000 steps a day, but if you need a handy way to remember it, T.J. Hooker and Beverly Hills Cop taught me that California Penal Code 187 stands for homicide.

So think of 1.87 as your carbon killer.

<Groan>.

1.87 tons sounds like a lot. But the current per capita average footprint for us Americans is (at least) 16 tons. Compare that to the global average of 4 tons and, well, “gloat” may not be the first word to come to mind.  

Your own current number could be a lot different, depending on stuff like your zip code, home energy usage, car and mileage, annual air travel, and predilection for beef.  

But even so, some drastic carbon dieting is in order.

Since the first step toward change is awareness, it’s a good idea to figure out your own current baseline. Then you can take action. 

In our next post, we’ll show you how.

Cheers,

Mike

Mike McAllister is head of story for Momo Homes.

Smart thermostats are kinda genius

Smart thermostats have been around for more than a decade, and by now you’ve no doubt seen the blue-lit Nest version on the walls of friends’ homes.

Ten years of evidence is enough to figure out if they’re worth the cost to switch. According to organizations like Consumer Reports, The New York Times, and Energy Star, the answer is yes, for the most part.

We throw in that caveat because, like with many buys in life, there are a bunch of factors to weigh. In this case, they include: the specific thermostat model; your climate; your heating, ventilation, and air conditioning (HVAC) system; and current energy usage.

What makes a thermostat smart?

A smart thermostat is basically just a thermostat that connects to Wi-Fi. And all models have the same purpose: optimizing your home’s HVAC system.

Smart thermostats save energy simply by turning off the heat and AC— without sacrificing comfort— more often than regular thermostats.

From there, a thermostat can range from pretty smart (letting you adjust your home temp from an app) to really smart (learning your habits and routines to save you electricity and money).

The smart money’s on savings

There’s good evidence that smart thermostats can help most homeowners save money. According to real-world data gathered by Energy Star, smart thermostats that meet their criteria save users an average of 8 percent on their utility bills. 

If your hometown suffers brutal summers, frigid winters, or high energy prices, that number could be even higher.

They save energy through various features, like using motion sensors or the location of your phone (AKA geofencing) to figure out when you’re home. If you’re out running errands or commuting to work, the smart thermostat adjusts the temp with an energy-saving mode.

Forget to turn down the AC as you dash out the door? Smart thermostats let you be frazzled AND a brilliant money-saver at the same time.

Smart thermostats also feature easy heating and cooling scheduling, so you can program them to adjust the temp when you’re asleep, or when the house is empty during the day, like during school and work hours.

Smart versus programmable thermostats

You may currently have a programmable thermostat that does the scheduling thing, too. But if you’re like me (and many users), you still haven’t tackled the cumbersome process to get it done.

Smart thermostats usually have much better app-based interfaces so you can schedule (and cut energy usage) with ease.

Other features may include system reports, notifications, HVAC filter replacement reminders, or a connection to programs run by your energy provider that adjusts the thermostat in exchange for discounts or incentives.

Even if you just get the app-only basic model, you can still adjust the temperature from the road (if you forget before you leave the house) or when touching down on an airport runway (to come home to comfort).

When are they a less-smart choice?

If you’re one of the more virtuous users who does program your programmable thermostat (sure, go ahead and gloat), a smart thermostat may not save you a ton of extra energy.

If you have an older HVAC system without a C-wire (basically a dedicated power line for your HVAC), you’ll have to pick a smart thermostat carefully, since many models won’t work without one.

And generally speaking, electric baseboard radiators don’t work so well with most smart thermostats because the voltage levels are mismatched.

How much smarter can we get?

At Momo, we’re building graduate-level homes. We’re not only packing them with smart features (thermostats, security, lighting, audio), we’re connecting them all with one easy, intuitive touchscreen.

We call it The Bridge—the nerve center of your home, and on that there’s more to come.

Cheers,

Mike

Mike McAllister is head of story for Momo Homes.

Housing is a keystone solution

The Momo Focus is a biweekly roundup of news about the global transition to sustainable homebuilding.

Hi.

On Aug. 30, Hurricane Idalia blew into the Big Bend of Florida and wrecking-balled its way across the state. 

In some ways, the damage wasn’t too bad. The storm hit a less-populated part of the state and, thankfully, no one died as a direct result of the storm.

But truth be told, you can’t look at any photo of smashed or flooded homes and say that the destruction was anything short of heartbreaking.

Of course, as a CNN article details, the story is one of heartbreak nested inside heartbreak: “Human-caused climate change is wreaking havoc on the Gulf Coast, which is already experiencing some of the fastest sea level rise in the world. As the ocean swallows shore, it makes the impacts of storm surge and flooding more dangerous for the communities in these low-lying areas.”

As these kinds of stories become more common, it’s easy to become numb. But there are solutions at hand, and the way we build homes is a vital one. 

For example, we can frame homes in steel and anchor them to steel footings systems to make them more storm-resistant. And we can build them solar-ready to make their energy systems more resilient during grid outages. 

If you want to see what renewables-powered resiliency looks like, check out this BBC article on Babcock Ranch, which weathered Hurricane Ian almost unscathed: 

“The ranch, which opened in 2018 and is around five times the size of Manhattan Island, is like a picture-postcard, with neatly manicured lawns, vibrant green golf courses, forest trails and cycle paths. Residents zip around in solar-powered golf carts, kayak on the lakes, birdwatch, and congregate at the community pools. But the beautiful aesthetics have a dual purpose: the lakes double up as retaining ponds to protect houses from floods, streets are designed to absorb excess rainfall, and the community hall is reinforced as a storm shelter. A large 870-acre solar panel farm powers the entire development, as well as surrounding communities – making Babcock Ranch America’s first solar-powered town.”

It is difficult to get a utility company to understand renewable energy when their income depends on NOT understanding it

Canary Media reports that “a broad and unlikely coalition has united behind a proposal that would finally let community solar flourish in California. Utilities are trying to stop it.”

Sigh.

The home economy

Eye on Housing reports that residential construction spending, new home sales, and home price appreciation all rose in July. 

Bill McBride of the Calculated Risk Substack adds some background in two posts: New Home Sales increase to 714,000 Annual Rate in July and Freddie Mac House Price Index Increased in July to New High; Up 2.9% Year-over-year

Meanwhile, John Burns reports that ADUs are gaining momentum across the U.S.  

Post haste

Here are the latest blog posts from writer Mike McAllister: 
Let’s clear the air on induction stoves

Not just hot air: An intro to home heat pumps

Reinventing the homebuilding supply chain

Nothing Matters: An intro to zero-waste design

Hot water, cool planet

Cheers,

Jeff

Jeff Williams is the chief marketing officer for Momo Homes.

Hot water, cool planet

The Inflation Reduction Act (IRA), the biggest climate bill in U.S. history, is about to change how Americans look at (and live with) energy efficiency. One estimate predicts that the IRA’s residential tax credits alone could save more American households $37 billion a year on their energy bills.

Did you know the act offers homeowners several financial incentives for buying climate-friendly technologies? If not, we’re not surprised. The utility companies aren’t exactly shouting the news from the solar rooftops. 

Stick it to the man

We’ve already looked at a few of the solutions utility companies hate, like induction stoves, insulation, and heat pumps.

Now let’s look at heat pump water heaters.

Today, water heaters (of all types) account for about 18 percent of the nation’s household energy consumption—more than refrigeration and cooking combined. 

The IRA provides an incentive to homeowners for 30 percent of the costs of buying and installing a heat pump water heater, up to $2,000. To qualify, the water heater must meet the Consortium for Energy Efficiency’s highest tier of efficiency.

According to Energy.gov, heat pump water heaters are two to three times more energy-efficient than traditional water heaters, mainly because they don’t have to work as hard to create heat. 

Which means they don’t use as much energy. 

Which means you pay less to the utility companies. 

Utility companies definitely don’t like this.

Bonus fact: heat pump water heaters produce zero carbon emissions.

How do heat pump water heaters work?

Unlike a traditional hot water heater, heat pump water heaters (and their cousins, hybrid water heaters) don’t have to generate heat from scratch. Instead, they move heat from one place to another using electricity.

Once it pulls in ambient warm air (40 degrees F or above is best, and hybrid models can go even lower), the water heater uses pressure to heat up and evaporate refrigerant. This hot refrigerant gas runs through inner coils that cause the water to heat up. The now-cooler refrigerant condenses back to liquid form and cycles back through the system to start over again.

Hybrid water heaters get that name because they include backup electric resistance elements, like conventional water heaters, that can augment the hot water if your demand outruns your supply.

You can get this hybrid system as an integrated unit. You can also retrofit one to work with your existing conventional storage water heater.

Is there a catch?

Well, there’s the cost. A standard 50-gallon hot water heater can cost anywhere from $500 to $1,000 (not including installation) while a heat pump water heater can cost between $1,500 and $3,000.

But between those federal tax incentives and state-sponsored sales rebates, energy-efficient heat pump water heaters can actually be a more affordable purchase than you might fear.

Buying an Energy Star-rated heat pump water heater may qualify you for these deals and save you hundreds of dollars. Most homeowners can pay back the up-front cost within the first year alone.

Older generations of heat pump water heaters weren’t always recommended for homeowners in cold climates. But Energy.gov says today’s models get the job done just fine.

Another caveat: Those of us who aren’t skilled plumbers (i.e., the majority of the population) will need to rely on a licensed contractor to buy and install a new heater. They know how to navigate the permitting red tape required by many municipalities, too.

But look for a contractor with some experience with heat pump water heaters. Some shadier dudes might try to steer you toward more familiar, power-guzzling options.

Is it worth getting a heat pump water heater?

We think so. With a savings of nearly $300 a year, you can quickly pay off their higher upfront cost and begin cutting your electric bill. Plus you get the extra environmental benefit of consuming less electricity.

At Momo, we’re busy outfitting all of our homes with energy-efficient solutions like heat pump water heaters. We know our homeowners can think of other things to spend their money on besides energy bills.

Cheers,

Mike

Mike McAllister is head of story for Momo Homes.

Nothing matters: An intro to zero-waste design

Sometimes nothing is everything.

Take zero, for example, which isn’t even really a number. It’s like, less than a number. But zero can have a bigger impact than any number, in the right context.

Take construction, an industry that creates a third of the world’s waste and about 40 percent of its carbon emissions.

According to the EPA, contractors and crews fill construction and demolition landfills with stuff like asphalt, demolition debris, and site clearance waste, alongside cast-off building materials like concrete, bricks, and wood.

It’s an industry ripe for a new approach to nothing.

Introducing zero-waste design

The zero-waste movement crosses industries and manufacturers, but is gaining traction among homebuilders and contractors looking to cut their carbon footprints and create homes that contribute to and thrive in a more sustainable future. The kind of future (and homes) we all want to live in.

And architects, designers, and homebuilders are in a good position to cut waste before it even gets to the construction site.

What’s so big about zero?

First, let’s be clear about some fuzzy phrasing: zero-waste doesn’t mean zero waste. It’s more about minimizing the waste that is produced and then finding ways to reuse and convert it into useful resources.

Here are five common principles of the zero-waste design movement:

  1. Waste Prevention optimizes the usage of materials, choosing efficient construction techniques and minimizing waste during design and construction.
  2. Resource Efficiency makes the most of available resources with products, buildings, and spaces designed to use materials and energy efficiently.
  3. Circular Economy keeps resources in use for as long as possible by maximizing their value through reuse, recycling, and recovery. Homebuilders contribute to this economy by focusing on the use of easily recycled or repurposed materials.
  4. Adaptability and Flexibility in space and structure design ensures they can be easily repurposed or modified as needs change, to extend the useful life of a building.
  5. Lifecycle Thinking considers the full life span, from extraction to disposal, of materials to minimize waste and consumption of resources.  

What’s one real-world approach to zero waste?

Panelization is one method homebuilders are using to get closer to zero.

Panelized homes are made from components manufactured in climate-controlled factories. The components are then shipped to the jobsite and assembled by a small crew of non-specialized workers.

The Structural Building Components Association conducted two experiments in 1995 and 2015, as part of their Framing the American Dream project. 

In both experiments, they constructed two homes: one was entirely stick-framed, and the other was framed using structural components, including roof trusses, wall panels, and floor trusses. “Structural building components,” by the way, are defined as custom-designed and built in specialized manufacturing environments, then delivered to the jobsite where framers install them along with permanent bracing to create the overall structural system. 

Their conclusions?

  • Stick framing a structure required 25% more wood product than framing it with structural components.
  • Stick framing generated 30 times more jobsite waste than framing with structural components.
  • The stick-framed house required 373.5 hours of person hours to complete. The component-framed house required 152.1 of hours to complete—less than half the time.  

At Momo, we’re big on zero

Our architects work hand-in-glove with engineers and designers to create (gorgeous) homes that follow zero-waste design principles. 

From factory-finished and fully recyclable framings and footings to multiple solar energy options, every element of our homes has sustainability, impact, and cost in mind.   

Let’s start subtracting.

Cheers,

Mike

Mike McAllister is head of story for Momo Homes.