The short answer: 80% of homeowners are locked into mortgage rates below 5% and not moving. The average U.S. home is 41 years old. Home equity is at near-record levels. NAHB projects remodeling spending to be 19% higher by 2030 and 32% higher by 2035. Replacement door demand is structurally supported for at least the next several years — but slower YoY growth means winning is about capturing share, not waiting for the market to lift everyone.
The housing market is broken in a way that's good for your business.
Approximately 80% of homeowners are locked into mortgage rates below 5%. The average rate they'd have to take on to buy a different home is north of 7%. They're not moving. Not this year, not next year, probably not for several years after that.
What that means practically: they're remodeling. Investing in the home they have because the home they want is financially out of reach. That investment — hundreds of billions of dollars annually — flows directly into the replacement door and window category.
Here's the full picture of why 2026-2027 is a structural opportunity — and what companies need to do to capture it.
The mortgage lock-in effect is not a short-term phenomenon. The gap between homeowners' existing rates (averaging below 4%) and current market rates (above 7%) has to narrow significantly before large numbers of homeowners trade up. That gap may persist for years.
The consequence: near-record home equity combined with a near-record reluctance to sell means homeowners are sitting on an average of $365,000 in home equity while investing in the homes they can't afford to leave.
That equity isn't idle. It's being borrowed against through HELOCs and home equity loans, and it's being reinvested in home improvement. Replacement windows and doors are among the highest-ROI home improvement categories — steel entry door replacement carries a 216.4% cost-value ratio nationally in 2025 — which makes them an easy sell to homeowners who are thinking about long-term home value.
Necessity is the most reliable demand driver. Not aspiration. Not trends. The door that's failing.
The average U.S. home is now 41 years old. A 41-year-old home has doors and windows that are approaching or past their useful life. Entry doors from 1985 are failing their seals. Double-pane windows from 2000 are showing seal failures. Every year, the replacement demand driven by functional necessity grows.
The 2025 Modernize homeowner research found that 36.4% of replacement door buyers were motivated primarily by repair or replacement need — not aesthetic preference, not energy efficiency. Just: this door doesn't work anymore.
That cohort doesn't need to be persuaded to buy. They need to be captured before they call someone else.
NAHB projects remodeling expenditures will be 19% higher by 2030 and 32% higher by 2035. The forces driving this are demographic and structural, not cyclical: an aging Baby Boomer cohort investing heavily in aging-in-place modifications, a massive Gen X and Millennial first-time buyer cohort that purchased older homes and is beginning to remodel them, and a sustained period of housing underbuilding that keeps existing stock in service longer.
Baby boomers made up 59% of 2024 renovators. Seniors are the highest median spenders, at $22,000 per project. That cohort is expanding, not contracting, and door replacement is near the top of their priority list — security, ease of use, and curb appeal are all top concerns for aging-in-place homeowners.
The tailwinds are structural. The near-term picture is more nuanced.
LIRA (January 2026) projects YoY remodeling spending growth will slow from 2.9% early in 2026 to 1.6% by year-end. This is a deceleration from the post-pandemic surge, not a contraction. But a slower-growth market changes the strategy: you can't wait for rising tides to lift everyone. You have to win market share actively.
53.6% of homeowners postponed projects due to cost in 2025. Some portion of deferred demand is sitting in the market, waiting for a trigger — a financing option they didn't know existed, an IRA tax credit that makes the purchase more urgent, a consultant who earns their trust.
Slower growth does not mean less opportunity. It means the opportunity is distributed differently. The companies that lead with transparent pricing, proactive financing, and trust-building content capture deferred demand that commodity players can't touch.
The manufacturers positioned to capture the tailwind are building the digital infrastructure to convert it right now. Masonite, Therma-Tru, Renewal by Anderson, and Amarr have all deployed guided selling and AI-powered recommendation systems. The ones that wait until 2027 will find the market already captured by the infrastructure the leaders built in 2025-2026. A structural tailwind only benefits the companies with the conversion machinery to harvest it.
The IRA Energy Efficient Home Improvement Credit — up to $500 for qualifying exterior doors under current legislation — gives door companies a time-bounded urgency message.
74% of homeowners are willing to pay more for upgrades that provide long-term cost savings, and 83%+ rate ENERGY STAR certification as essential or desirable. The intersection of energy savings messaging and a real tax credit deadline is a legitimate, non-manipulative urgency lever most companies aren't using.
The companies that surface this in their marketing — website, pre-appointment email, in-home consultation — are converting a meaningful segment of fence-sitters. The ones that don't are leaving that demand for competitors.
Here's the full picture of why the demand is there and why most companies aren't capturing it.
The structural tailwind is real and durable. But winning in a slower-growth environment requires specificity about how demand is captured, not just that it exists.
The companies positioned to take the most share from 2026-2027:
Own local search before competitors do. Replacement demand is geographically concentrated in older housing stock markets. City-level content and Google Business Profile authority capture that demand before a national brand or aggregator does. Local SEO is the fastest way to capture first-party leads in competitive door markets.
Build the aging-in-place product message. Wider doorways, lever hardware, no-threshold entries, reinforced frames — the aging-in-place segment is premium, motivated, and growing. Most dealers don't specifically market to it.
Convert deferred demand with financing and tax credit messaging. The homeowners who postponed in 2025 are still in the market. They need a reason to act now that doesn't feel like pressure. Financing and the tax credit window give you that reason legitimately.
Be the first company to respond. In a demand environment where homeowners are actively shopping, the company that responds in 5 minutes wins 78% of the time — regardless of price, brand, or product quality. The structural advantage goes to companies that replaced high-pressure sales with trust-based positioning. And the replacement door buyer profile skews older, value-conscious, and motivated by repair necessity more than aesthetics — which means clear pricing and real product context beat discounting every time.
If you're building the marketing infrastructure to capture this window — starting with a website that generates leads with context, not just form submissions — Threekit's AI Agent is built for that.
Three structural drivers: the mortgage lock-in effect (80% of homeowners won't sell because they'd give up sub-5% rates), aging housing stock (average U.S. home is 41 years old), and near-record home equity ($365,000 average) that homeowners are reinvesting rather than cashing out. NAHB projects remodeling spending 19% higher by 2030 and 32% higher by 2035.
Both. The long-term structural trend is growth. Near-term, LIRA projects YoY growth slowing from 2.9% to 1.6% by year-end 2026. This is a deceleration, not a contraction — but it shifts the strategy from riding the market to actively capturing share from less prepared competitors.
Homeowners with sub-5% mortgage rates can't afford to buy a different home at current rates. They're reinvesting in the homes they have instead. That investment flows into high-ROI categories like replacement doors — which carry a 216.4% cost-value ratio nationally.
The 65+ population is growing rapidly, home equity is high among this cohort, and aging-in-place modifications — wider doorways, lever handles, no-threshold entries — create a premium, motivated buyer segment with lower price sensitivity. Most dealers don't specifically market to this segment, creating a low-competition opportunity.
The Energy Efficient Home Improvement Credit (Section 25C) allows homeowners to claim up to $500 for qualifying exterior doors. Under current legislation, this credit has an expiration horizon. The combination of a real tax credit and 0% financing creates a legitimate, non-manipulative urgency message for 2026 marketing.