Walk into a house built in the 1960s, 1970s, or even the 1990s, and you’ll feel the difference before you spot it. There’s a subtle draft around the windows, a little cold pocket by the front door, and if you hold your hand up to an electrical outlet on an exterior wall, you might catch a faint breeze. Those homes weren’t bad—they were just built in a time when airtightness wasn’t a priority. “Fresh air” was what leaked in through the cracks. Energy efficiency wasn’t something codes demanded, and if the power bill was high, that was just life.

Fast-forward to today, and we live in a different world. Building codes, energy programs, and homeowner expectations have transformed the way houses are constructed. Airtightness, high-performance insulation, and controlled ventilation aren’t just features—they’re requirements. And it’s not just engineers and scientists pushing the change; the benefits are now too visible to ignore.

Why Airtightness Became the Big Deal

For decades, the assumption was that a home needed to “breathe.” In reality, what builders called “breathing” was uncontrolled air leakage that wasted energy, caused moisture damage, and pulled in dust, allergens, and pollutants.

Today’s building science focuses on separating two functions:

1. Keep the building envelope tight. No uncontrolled leaks through walls, ceilings, or floors.
2. Control ventilation mechanically. Use systems that bring in filtered, measured fresh air and remove stale air on purpose—not by accident.

This shift has given homeowners a level of comfort, efficiency, and indoor air quality that older houses simply couldn’t provide.

The Side-by-Side Difference

The gap between past and present becomes clearer when you compare a typical 1960s–1990s home with one built to today’s codes:

Feature	1960s–1990s Homes	Today’s Code-Built Homes
Air Tightness	Very leaky—air changes per hour (ACH) often 7–12. Drafts felt around windows, doors, and outlets.	Tight envelope—ACH 3 or less is common. Blower-door testing required in many areas.
Insulation	Minimal or inconsistent. Commonly R-11 walls, R-19 ceilings, with gaps or compression.	Continuous insulation, R-20+ walls, R-38+ ceilings. Thermal bridging minimized.
Windows	Single-pane aluminum or wood. Poor seals, high heat loss/gain.	Double or triple-pane low-E glass. Argon/krypton fill, tight seals, insulated frames.
Moisture Control	Relied on “house breathing” for ventilation—often brought in humid or polluted air. Risk of hidden mold and rot.	Dedicated air/vapor barriers and flashing details. Controlled ventilation keeps humidity in healthy range.
Heating & Cooling Systems	Oversized units to compensate for leaks. Low efficiency (AFUE 60–70% for furnaces).	Right-sized systems based on load calculations. High-efficiency (AFUE 90–98%, SEER 16–20+).
Indoor Air Quality	Unfiltered outdoor air leaks in. Pollen, dust, exhaust fumes common indoors.	Mechanical ventilation with filtration (MERV 8–13). Balanced supply and exhaust.
Noise Control	Street noise and neighbor noise easily penetrate.	Airtight construction plus high-performance windows reduce exterior noise substantially.
Energy Bills	High, especially in extreme climates. Seasonal bill swings were dramatic.	30–60% lower heating/cooling costs due to envelope and equipment efficiency.
Code Requirements	Energy efficiency optional; focus on structural safety.	Energy code compliance required—blower door test, insulation verification, duct leakage testing.
Resale Value	Buyers rarely asked about efficiency.	Energy ratings, HERS scores, and certifications can increase resale value and market appeal.

So, What Happens if You Just Open the Windows?

Here’s where myths meet reality. Some homeowners worry that airtight homes mean they can’t enjoy a fresh breeze, or that the indoor air will go stale without cracking a window. That’s not how it works.

Myth: “An airtight house means no fresh air.”
Reality: Modern homes have mechanical ventilation systems—like HRVs (Heat Recovery Ventilators) and ERVs (Energy Recovery Ventilators)—that constantly bring in filtered outdoor air and exhaust stale indoor air.

Myth: “If I open the windows, I’ll ruin the airtight benefits.”
Reality: Opening the windows on a nice spring or fall day is fine. The key is to avoid doing it when you’re heating or cooling heavily, or during periods of poor outdoor air quality.

Myth: “Fresh air from outside is always better.”
Reality: Fresh air is good—but in uncontrolled form it can bring humidity, allergens, and pollutants. Mechanical ventilation gives you fresh air without those drawbacks.

The Real-World Payoffs

The perceived—and now proven—benefits of today’s code-built airtight homes are what drove regulators and builders to change their approach:

• Lower Energy Bills: Cutting heating and cooling losses means 30–60% lower monthly energy costs.
• Year-Round Comfort: No more cold spots near windows or sweltering sunny rooms.
• Durability: Reduced risk of mold, rot, and ice dams from hidden moisture.
• Healthier Air: Fewer allergens and pollutants, thanks to filtration.
• Peace and Quiet: Less street noise making its way inside.
• Resale Advantage: Energy-efficient homes often sell faster and for more.

From “Leaky is Normal” to “Tight is Right”

Homes from the 1960s–1990s were products of their time. Energy was cheaper, codes were simpler, and “airtightness” wasn’t on anyone’s radar. Today’s homes are designed like finely tuned systems—keeping the outside out, the inside in, and giving homeowners the ability to choose exactly how their home breathes.

Airtightness isn’t about locking you inside; it’s about putting you in control. On a perfect day, you can swing those windows open and let the breeze pour in. But when the weather turns brutal, you’ll be glad your home is built like a thermos.

If you’ve ever talked to someone who built a modular home in Ontario, chances are you’ve heard you’ve ever talked to someone who built a modular home in Ontario, chances are you’ve heard the name Quality Homes. For decades, Quality Homes has been leading the charge, helping people rethink what’s possible when it comes to building faster, better, and smarter. While the world around us has undergone significant changes over the past two decades, Quality Homes has managed to grow, evolve, and stay ahead of the curve without losing the personal touch that first put it on the map.

Quality Homes’ journey hasn’t just been about building houses — it’s been about building trust. From the early days to today’s demand for greener, more affordable, and more customized homes, The factory’s team has kept its finger on the pulse of what homebuyers really want. Programs like their Homebuyer’s Ultimate Guarantee (HUG™) and a growing focus on ADUs show that Quality Homes isn’t just keeping up — they’re setting new standards for what modular homebuilding can be.

I recently talked with the Quality Homes’ management team on just how things have changed over the years, and what exciting plans they have for the future. Their insights are a reminder that with the right vision — and the right leadership — modular construction’s best days are still ahead.

Looking back on the past 38 years of Quality Homes, what are the biggest changes you’ve seen in modular housing—whether it’s design, tech, or what buyers expect these days?
Honestly, modular design has changed a ton—kind of like the rest of the housing industry. Today, our home plans cover everything from trending styles to smart layouts and affordability. People expect more now, and they should.

We’ve always tried to stay ahead of the curve in Ontario. We’re constantly looking for better ways to build stronger, more efficient homes. Our customers now come in already expecting things like tighter quality control, better energy efficiency, and faster build times compared to site-built homes.

One game-changer has been our automated saws. They cut every board with crazy precision, which means our crews down the line don’t have to compensate for errors—everything lines up perfectly.

And it’s not just the customers. Once local officials see our homes going up in their communities, they’re usually impressed too. We actually get a lot of building inspectors and municipal leaders touring our factory. There’s been more buzz about modular homes in the past few years than we’ve ever seen.

Plus, people are way more informed now. They realize that modular doesn’t mean cookie-cutter. We can include all kinds of custom features in the factory, and when we deliver a home, it’s already 80–85% finished.

How has Quality Homes adjusted to meet Ontario’s growing population, especially with over 463,000 new residents arriving just between 2022 and 2023?
We’ve rolled out a new line called The Suite Collection, which is made up of smaller homes—perfect as Accessory Dwelling Units (ADUs). These are between 500 and 750 square feet and are designed to go right into someone’s backyard.

They’ve been a hit with families looking to house aging parents, give grown-up kids a place of their own, or even earn some extra income by renting it out. They work great in farming communities too, where housing for workers is tough to find. And because they’re modular, we can install them with very little disruption to the neighborhood.

What surprised us is that even folks who weren’t thinking about an ADU are now considering downsizing after seeing how much you can do in a smaller footprint.

How has the management team managed to grow the company over the years while still keeping customers happy and maintaining build quality?
When we first took over the company, it was focused on mobile homes. We knew we had to change the narrative. So we built the Maitland Model Home—a big, beautiful 2,850-square-foot, two-story house—to prove that modular homes could be large, stylish, and well-built.

We wanted people to see that modular isn’t some cheap workaround. Our homes use better-quality lumber and avoid weather damage entirely. Over the years, we’ve worked hard to shift people’s mindset—from thinking about park models to realizing we can build anything from cozy 500-square-foot cottages to sprawling 5,000-square-foot dream homes.

One of the things we’re proud of is introducing shrink-wrapped modules for transport—an idea we borrowed from shipbuilding. Before that, it was all loose tarps, which wasn’t great in bad weather.

And then there’s our HUG Program—short for Homebuyer’s Ultimate Guarantee. It’s our promise to deliver the price, quality, and completion date we quoted. No bait-and-switch. That’s really helped people feel confident, especially since modular lets us sidestep a lot of the delays that plague site-built homes.

Oh, and let’s not forget about safety. Factory construction is way safer than traditional job sites, and we’ve built a great safety culture here.

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Tell me more about the HUG Program—how has that changed things for your customers?
It’s been a game-changer. Basically, HUG gives customers peace of mind. Since we build indoors and control our own materials and labor, we don’t run into the usual hiccups from weather or scheduling. That means we can actually guarantee the completion date—and if we miss it, we pay up.

That kind of promise really sticks with people. About a third of our business comes from word of mouth, and the HUG Program is a big reason why. People love knowing exactly what they’re getting: fixed pricing, high quality, and no delays.

You can read more about it here: https://qualityhomes.ca/hug-program

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Modular building is often talked about as being efficient and eco-friendly. How has the team put that into practice at Quality Homes?
A big advantage for us is building indoors. It means we can buy materials in bulk, store them safely, and never get slowed down by supply chain issues. Each department in our factory has its own space to work efficiently, and everything—from tools to materials—is right where it needs to be.

Our automated saws are wired directly to our design team. So as soon as they send over a cut list, the saws know what to do. And here’s the cool part: if there’s leftover lumber, the system figures out if those scraps can be used for something else, like blocking or trusses. We waste way less that way.

All our homes are CSA-certified, and we’ve got a great track record with Tarion, which handles new home warranties in Ontario.

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ADUs are getting a lot of attention lately. How is Quality Homes jumping into that market, and what makes it a good option for homeowners?
We’ve built a whole lineup of ADUs called The Suite Collection. There are three main designs—Laurel, Foxboro, and Bluewater—and each one comes with both a traditional and a modern look, depending on what fits your lot and style. Sizes range from 504 to 716 square feet, and you can go with one or two bedrooms.

These are true four-season homes, so they’re just as durable and comfortable as our larger builds. They’re perfect for anyone looking to create space for family, add a little rental income, or just simplify their lifestyle.

We see this as a growing part of our mission—to give people more housing options and help address Ontario’s housing crunch with smart, affordable modular solutions.

What do you see as the biggest challenges facing modular home builders right now, and how is Quality Homes dealing with them?
One of the biggest hurdles? Just getting people to really understand what modular homes are. A lot of folks still picture trailers or think “modular” means low quality—which couldn’t be further from the truth. So we spend a lot of time on education and marketing, showing off the benefits and helping people see what modular really is: well-built, stylish homes with solid advantages.

Our reputation helps. We’ve been doing this for over 38 years, and consistency has always been our thing. That’s how we can offer something like our HUG Program—it’s not just a gimmick. When we say we’ll deliver on time, for a fixed price, and with top-tier quality, we mean it. And customers see that.

Another huge part of our success is our people. We’ve got an experienced, loyal team—most of our staff have been with us for over a decade. They know modular inside and out, and that kind of know-how makes a big difference when you’re trying to build the same high-quality home every time.

And speaking of quality—one of the best parts of modular is how precise everything is. Walls are straight, outlets are where they should be, and there’s no risk of rain damage during framing. Like our CEO, Stan Newman likes to say, “You wouldn’t build your car in your driveway—so why build your house outside?” Building indoors keeps everything clean, dry, and controlled.

Here in Canada, that really matters. Site-built crews might get 8 or 9 months of work a year before the snow and ice hit. But us? We’re building year-round, thanks to our climate-controlled facility. That’s a huge advantage.

Where do you see modular fitting into Canada’s bigger housing picture, especially with all the talk around affordability and housing supply?
Modular has a huge role to play. We’re not saying we can fix the housing crisis all on our own, but we can definitely help. Even if we’re building 200 homes a year—not 2,000—it still moves the needle in the right direction.

What makes modular powerful is the ability to build at scale with consistent quality and faster timelines. That kind of efficiency is exactly what the housing market needs right now.

As for automation—yeah, it’s useful, and we use it where it makes sense. But it’s not the end-all solution. You can’t replace every step of homebuilding with machines. Good people are still the backbone of what we do. Automation helps us grow, but it doesn’t replace the skill and care that go into each home.

My Final Thoughts

After more than a quarter century leading Quality Homes passion for modular building is just as strong as ever. Their commitment to innovation, customer satisfaction, and smart growth has helped shape not just the company, but the modular housing landscape across Ontario. As Quality Homes looks ahead to new opportunities and fresh ideas, one thing is clear — with leaders like Stan Newman at the forefront, the future of modular homebuilding is in very good hands.

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In a quiet corner of East Vancouver, something big is happening—on a tiny scale. A project from local developer Urban Homestead has set its sights on transforming the way cities think about density, affordability, and dignity in housing. At the heart of this initiative is a collection of charming, modern tiny homes built not just to house people, but to reimagine what “home” looks like in the face of rising costs and land scarcity.

Where others see limitations, this project sees opportunity: 17 detached cottages, each under 700 square feet, nestled together in a thoughtfully designed community on a single parcel of land. But this isn’t a dorm-style compromise. These homes offer privacy, comfort, and style—proving that smaller footprints don’t require smaller dreams.

“We want to break the idea that higher density means lower quality,” said Ben Baird, the project’s developer. “This isn’t about squeezing people into boxes—it’s about giving them beautiful, attainable homes in thriving neighborhoods.”

What makes this project truly innovative is its zoning backstory. The homes are being built on a single lot under a unique “co-housing” designation. Rather than pursuing traditional subdivision permits, which can be cost-prohibitive and politically fraught, Urban Homestead worked within city codes to use a condominium-style legal structure—treating each home as a separate unit with shared common space. The result? Efficient land use with a human-centered design.

Derek Huegel

“People often say, ‘I want to live in a neighborhood, not a project,’” said Derek Huegel, co-founder of Urban Homestead. “That’s exactly what we’re creating—a place that feels like home, not compromise. It’s the kind of housing that builds community from the ground up.”

Buyers, expected to be a mix of singles, couples, and downsizers, can purchase these homes for around $300,000—well below the average price for new construction in the area. And with a communal green space and walkability to local amenities, it’s the kind of living that could appeal not just to those seeking affordability, but to those seeking connection.

If this pilot proves successful, East Vancouver may find itself a national model for how zoning, design, and mission-driven development can align to create affordable housing without sacrificing charm or community spirit.

Credit: Original reporting by Calley Hair for The Columbian, June 9, 2025.
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How “Modern Methods of Construction” Became an Innovative Catch-All Buzzword—and Why That’s a Problem

Few acronyms are thrown around the offsite construction industry with more frequency—and less clarity—than MMC. Short for Modern Methods of Construction, MMC is used in government reports, developer brochures, LinkedIn posts, and startup pitch decks. It’s the industry’s go-to phrase for signaling innovation, speed, and disruption. But beneath the glossy surface lies a surprising truth: nobody seems to agree on what MMC actually means.

“We’re going to use MMC on this project. Who knows what that means?”

In fact, the term has become so broad and diluted, it risks doing more harm than good—confusing investors, misleading developers, and overselling innovation.

So where did MMC come from? Why did it catch on? And how can the offsite construction industry reclaim its meaning?

Origins: From War Recovery to Policy Buzzword

The idea behind MMC isn’t new. In the aftermath of World War II, countries like the UK faced a desperate housing shortage. To accelerate rebuilding, they experimented with non-traditional building systems: prefabricated homes, concrete panels, and mass housing estates built in record time.

But the modern use of the term MMC emerged in the early 2000s, particularly in the UK, when policymakers began to focus on accelerating housing delivery using new technologies. Rather than promote one method over another, they coined “Modern Methods of Construction” as an umbrella term for any technique that significantly improved upon traditional on-site, brick-and-mortar building methods.

It was never meant to be a single method. Instead, MMC was a category of promise—innovation, efficiency, and sustainability wrapped into one tidy phrase.

The Flexibility That Became Its Flaw

In theory, MMC’s broadness was a strength. It could include:

• Volumetric modular construction
• Panelized systems
• Precast concrete elements
• Structural Insulated Panels (SIPs)
• Bathroom and kitchen pods
• Robotic bricklayers
• 3D-printed components
• Even digital tools like BIM or automated manufacturing

But in practice, that flexibility became confusion. Over time, MMC began to mean everything and nothing.

One builder uses it to describe a highly engineered modular system with robotic automation. Another uses it to describe traditional wood framing done slightly faster in a warehouse. A third says they’re using MMC because they’ve adopted QR codes for inventory tracking.

Where’s the line between “modern” and “just marginally better”? There isn’t one—because no one ever defined it.

The UK Tried to Fix It—Sort Of

In response to this ambiguity, the UK government introduced a seven-category MMC framework to provide clarity. The categories range from Category 1 (volumetric modular systems) to Category 7 (site process improvements).

This attempt to structure the MMC conversation was a step in the right direction. But it also revealed the challenge: the term covers such a wide spectrum that it becomes difficult to measure impact or compare methods.

Is a site-built home using offsite-manufactured roof trusses really practicing MMC? According to some categories, yes.

That kind of grey area frustrates developers, complicates compliance, and often dilutes the innovation message.

In the U.S. It’s Even More Vague

In the United States, MMC is used far less formally. There’s no standardized framework. Most U.S. builders and developers use “modular,” “offsite,” “prefab,” or “industrialized construction” to describe what they do—and MMC gets tossed in as a catchphrase to sound cutting-edge.

Startups love it. Investors love it. But few stop to ask: What exactly makes this method “modern”? Compared to what?

Without standards, “MMC” becomes a label of convenience, slapped onto any process that wants a bit of futuristic flair.

Why It Matters

So what’s the harm?

When a term like MMC becomes overused and underdefined, several problems arise:

• Investors get confused. They back companies that say they’re using MMC but don’t understand the difference between a volumetric startup and a panelized one with high overhead and long lead times.
• Developers make false assumptions. They think MMC always means faster, cheaper, and easier. When delays or on-site rework occur, faith in the method erodes.
• Governments misallocate incentives. Without clear definitions, funding programs or tax credits aimed at supporting innovation may end up supporting outdated systems.
• Builders lose trust. The entire category takes a reputational hit when one “MMC” project fails, regardless of the underlying method.

What MMC Should Mean

If MMC is to remain useful, it needs to be anchored to outcomes. It should represent a demonstrable improvement over traditional construction in one or more of the following areas:

• Speed: Measurable reduction in build times
• Efficiency: Less material waste, fewer labor hours
• Safety: Reduced on-site risk and exposure
• Sustainability: Lower carbon footprint and energy use
• Quality: Factory-controlled precision with higher standards
• Cost predictability: Less pricing volatility and fewer change orders

And those benefits should be quantifiable, not just claimed.

The Industry’s Path Forward

So what can we do to ensure MMC becomes meaningful again?

1. Use more specific language. Say “volumetric modular” or “closed panel timber frame” instead of just MMC.
2. Demand evidence. Ask vendors and builders to show measurable performance improvements, not just buzzwords.
3. Educate stakeholders. From investors to city inspectors, help others understand what MMC really entails.
4. Adopt shared frameworks. Whether it’s the UK’s MMC categories or a U.S.-specific version, the industry needs shared definitions to compare apples to apples.
5. Call out misuses. When a traditional method is dressed up as “modern” without meaningful change, we should say so.

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Your Thoughts: Define or Ditch

MMC was born out of necessity—a way to group construction innovation into a digestible concept. But now it’s drifting toward meaningless marketing jargon.

We have two choices: define it properly or stop using it altogether. Because without precision, MMC doesn’t help us move forward. It just muddies the waters.

If you’re truly building better, faster, and smarter, say so. But say how. Because “modern” isn’t a magic word—it’s a measurable outcome.

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Gary Fleisher

Contact Gary

Gary Fleisher is the Leading Observer of the Offsite Housing Construction Industries. He has been actively involved in researching and writing about the latest trends and developments in the industry for over a decade now.

With his extensive knowledge and experience, Gary has emerged as a go-to expert for businesses looking to stay ahead of the curve in the modular construction industry. In addition to his work as an editor, he is also a sought-after speaker and consultant who has helped numerous companies achieve strategic and operational success.