Conforto pensado para a sua casa

More comfort. Less noise. A more efficient home.

Bespoke PVC solutions, installed by a specialist team across Greater Lisbon.

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G★★★★★ 4,5Google rating · 127 reviews

Até 10 anosde garantia*

Thermal insulationComfort in every season

Acoustic comfortLess outside noise

Professional fittingSpecialist teams

Made to measureA solution for every home

Up to 10-year warrantyCoverage according to the selected solution

O que instalamos

Soluções que vê.
Conforto que sente.

Não vendemos “apenas perfis”. Ajudamos a escolher janelas, portas e proteção solar adequadas à forma como vive a sua casa.

Janelas PVC à medidaMais conforto, silêncio e luz natural. Portas seguras e eficientesEntradas bonitas, robustas e fáceis de utilizar. Marquises bem planeadasVarandas protegidas, luminosas e ventiladas.

Janela PVC branca de duas folhas, com uma folha aberta

Estores térmicosPrivacidade e controlo do sol ao longo do dia. Redes mosquiteirasVentile a casa com uma proteção discreta. Afinação e apoio pós-vendaAssistência separada e fácil de acompanhar.

Encontrar a solução certa Ver todas as soluções ↓

Trabalhamos com sistemas de referênciaaluplastSalamanderAderente CLASSE+ ↗

Real trust

Built on recommendations

4,5 ★★★★★ on Google · based on 127 public reviews

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We only publish authentic customer reviews.

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As nossas janelas00:58

Bespoke solutions

Comfort for every space

Efficiency, security and lasting design for your home.

Simple from day one

From your idea to a more comfortable home

Visita na sua casaUm técnico especializado mede, aconselha e prepara a melhor solução consigo.

Tell us what you need

A quick, clear form.

Choose a time

Only real availability.

Expert assessment

We assess your project.

Receive a proposal

Detailed and without pressure.

Selected work

Real projects, tangible comfort

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Cascais · Janelas PVC

Contemporary villa

Mais luz natural e conforto térmico durante todo o ano.

Lisboa · Janelas PVC

Bright apartment

Renovação de vãos com foco no isolamento acústico.

Oeiras · Marquises

Integrated sunroom

Um espaço de varanda mais protegido e utilizável.

Sintra · Portas PVC

Renewed entrance

Segurança e eficiência numa entrada feita à medida.

FAQ

Clear answers before you decide

Technical guidance in plain language.

Is the technical visit free?+

The initial assessment in the service area is free and without obligation. The team always confirms conditions first.

Do you only work with PVC?+

PVC is Janela ao Quadrado's main material for windows, doors and sunrooms. We recommend the right solution after assessment.

How long does installation take?+

It depends on the openings, access and chosen solution. Timing is provided in the bespoke proposal.

Do you provide after-sales support?+

Yes. Sales and support requests are handled separately. Contact posvenda@janela2.pt or 927 723 855.

What warranty applies to the solutions?+

Solutions may benefit from a warranty of up to 10 years, depending on the product, components, use and the terms stated in the quotation.

How can I compare two window quotations?+

Ask for the performance of the complete window, including profile, glazing, hardware and installation. We explain the differences in plain language and recommend a balanced option for your home.

Ready to improve your home?

Book a free expert visit, with no commitment.