Breaking  NxLite closes $9.2M Series A to scale energy-control window coatings Up to 30% of building heating & cooling is lost through windows - DOE Coatings that bond to glass and polycarbonate Spun out of the University of Toronto in 2015 New 45,000 sq ft AIM Center opens in Canton, Michigan Breaking  NxLite closes $9.2M Series A to scale energy-control window coatings Up to 30% of building heating & cooling is lost through windows - DOE Coatings that bond to glass and polycarbonate Spun out of the University of Toronto in 2015 New 45,000 sq ft AIM Center opens in Canton, Michigan
Company Dossier · Cleantech · Advanced Materials

NxLite

Next-generation, transparent energy-control coatings - the invisible layer that keeps buildings from leaking the energy they buy.

NxLite logo mark
THE MARK. NxLite's navy "N" - the wordmark of a University of Toronto spin-out now coating glass and polymer at commercial scale in Michigan.
The Story

The weakest link in a building is the part you look through

A window is a compromise. It lets in light and views, and in exchange it lets out heat in winter and lets it in through summer. The U.S. Department of Energy estimates that up to 30% of a building's heating and cooling energy escapes through its glazing. For a century, the fix has been to add more glass, more gas fills, and thin metallic "low-emissivity" coatings sealed inside double-pane units. NxLite is trying to rewrite the coating part of that equation.

The company - founded in 2015 in Toronto as 3E Nano and later rebranded NxLite - makes nano-thin, transparent coatings that control how much solar and thermal energy passes through a surface. The technology traces back to research led by Dr. Nazir Kherani, a professor of electrical engineering and materials science at the University of Toronto, whose lab work became the seed of a company.

What sets NxLite apart is not a single feature but a combination of constraints most incumbents treat as trade-offs. Its coatings are described as air-stable, meaning they do not need to be sealed away from oxygen inside an insulating glass unit. That lets them be used on a single, monolithic pane - a storm window, a cooler door, a retrofit insert. And crucially, they bond not only to glass but to lightweight plastics like acrylic (PMMA) and polycarbonate.

That polymer capability is the quiet unlock. Coated polycarbonate can be lighter and far more impact-resistant than glass, which matters for vehicles, refrigerated display cases and building applications where weight and breakage are real costs. NxLite's pitch to manufacturers is that they no longer have to choose between energy performance and a lighter, tougher substrate.

By The Numbers

What the coating business looks like

2015
Founded (as 3E Nano)
$9.2M
Series A (Oct 2025)
45k
Sq ft AIM Center, Michigan
~16
Employees
Where a building's energy goes
Energy lost through windows (up to)30%
Claimed increase in window R-value~4x
Substrates NxLite can coatGlass + Acrylic + Polycarbonate

Sources: U.S. DOE (window energy loss); NxLite technology claims. Bars are illustrative.

The Business

Who buys an invisible layer

NxLite is a business-to-business advanced-materials company. It does not sell to homeowners directly; it supplies coated substrates and coating technology to the manufacturers whose products contain transparent surfaces.

Customer

Window & door makers

The core market. Coatings that raise insulating performance for residential and commercial glazing, on glass or lighter polymer alternatives.

Customer

Refrigeration & coolers

Refrigerated display cases and beverage coolers, where cutting heat gain through the glass door directly cuts running cost.

Customer

Transportation & automotive

Vehicle, RV and transportation glazing where impact-resistant coated polycarbonate can replace heavier glass.

Customer

Retrofit & construction

Storm windows, coated inserts and commercial retrofits that add insulation to existing buildings with minimal disruption.

We are very impressed with NxLite's energy-coated substrates. We are seeing significant interest with our customers in the vending, beverage cooler, automotive, and transportation industries. Bobby Weatherholz · VP, DALB Inc.
Products & Services

Four ways the coating ships

Product

Coatings for glass

Nano-thin, air-stable low-emissivity and solar-control films that reduce heat gain and loss while keeping high optical clarity.

Product

Coatings for polymers

Permanent low-E coatings on acrylic and polycarbonate - lighter, impact-resistant alternatives to coated glass.

Product

Window inserts & retrofit

Coated inserts that add insulating value to existing windows and buildings with minimal disruption.

Service

Custom development

Application-specific coated substrates developed with window, refrigeration and transportation partners.

"Transforming everyday materials into extraordinary solutions for energy conservation and a more sustainable future." - NxLite's stated mission.
The Edge

How NxLite differs from the incumbents

The architectural-glass coating world is dominated by large, established players - Vitro, Guardian, Saint-Gobain, AGC - who apply low-E coatings to glass at industrial scale. Smart-glass companies like View take a different route, using electrically switchable tints. NxLite is not trying to out-scale the glass giants on their home turf.

Instead, its differentiation sits in three places. First, materials: the coatings are described as using earth-abundant materials and being open-air stable, so they work outside the sealed double-pane unit that conventional low-E usually requires. Second, substrate: bonding to polycarbonate and acrylic opens applications glass coatings cannot reach. Third, format: single-pane and retrofit uses where a lightweight coated surface beats a heavy sealed unit.

Whether that adds up to a durable moat depends on execution - on yield, cost and durability in outdoor environments over years. But the strategic logic is clear: rather than compete head-on for standard double-pane windows, NxLite is chasing the surfaces the incumbents' processes are not built for.

Air-stable Coats polymer Single-pane capable Earth-abundant materials Retrofit-friendly Lightweight glazing
Timeline

Lab breakthrough to factory floor

2015

Spun out of the University of Toronto

3E Nano is founded to commercialize low-emissivity nano-coating research led by Dr. Nazir Kherani.

2023

Seed round and SDTC backing

Closes a US$4M seed round and secures C$5M from Sustainable Development Technology Canada.

2025

Rebrand, new CEO, Michigan factory

Rebrands to NxLite, names David Mather CEO and Chairman, and opens a 45,000 sq ft AIM Center in Canton, Michigan.

2025

$9.2M Series A

Closes a Series A led by Crabtree Lane Alt to scale production and expand go-to-market.

2026

Series A extended

Reports a final Series A close of about $13.1M plus a $3.5M debt facility from RSF Social Finance.

Funding

Who is backing the bet

Series Seed · 2023
US$4M + C$5M
Includes C$5M from Sustainable Development Technology Canada (SDTC), plus climate-focused investors including Earth Foundry and New Climate Ventures.
Series A · Oct 2025
US$9.2M
Led by Crabtree Lane Alt, LLC (Chicago). Participants: Earth Foundry, MUUS, New Climate Ventures, ACT Venture Partners, plus door/window manufacturers. Later reported to reach ~$13.1M with a $3.5M debt facility.
With strategic partnerships in place, global customers, and unique offerings, the Series A investment provides us the capital to meet the growing demand of our customers. David Mather · Chairman & CEO, NxLite

Total funding reported above $45M across rounds and grants. Figures compiled from public announcements and databases; treat combined totals as approximate.

Market Fit

Where it sits in the decarbonization stack

Buildings are one of the largest sources of energy use and emissions, and their windows are a persistent leak. NxLite sits at the materials layer of building decarbonization - not generating clean energy, but reducing how much energy is wasted in the first place.

That places it alongside the broader push for energy-efficient glazing, but with a wider surface area than architectural glass alone: refrigeration, transportation, appliances and retrofits. Its center of gravity moved from Toronto to Canton Township, Michigan - close to the automotive and window supply chains it wants to serve. The move, the rebrand and a growth-focused CEO all point to a company shifting from research to commercialization.

Building decarbonization Energy efficiency Advanced materials Climate tech B2B manufacturing
FAQ

Questions people ask

What does NxLite make?
Nano-thin, transparent energy-control coatings - low-emissivity and solar-control films - for glass and lightweight polymers used in windows and other transparent surfaces.
Was NxLite called something else before?
Yes. It was founded in 2015 as 3E Nano, Inc., a spin-out of the University of Toronto, and later rebranded to NxLite.
What makes NxLite's coatings different?
They are air-stable and can be applied to acrylic and polycarbonate as well as glass, and they work on single (monolithic) panes without needing a sealed insulating unit.
Where is NxLite located?
Its U.S. headquarters and Advanced Innovation & Manufacturing (AIM) Center are in Canton, Michigan, with research roots in Toronto, Ontario.
How much funding has NxLite raised?
It closed a US$4M seed (2023) and a Series A that started at $9.2M (Oct 2025) and was later reported to reach about $13.1M; total funding is reported above $45M.
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Follow NxLite

Profile compiled from public sources including NxLite press releases, PR Newswire, Crain's Detroit, USGlass, DBusiness, BusinessWire and University of Toronto Entrepreneurship. Financial totals are approximate.