insulated window

[ɪnˈsuːleɪtɪd ˈwɪndoʊ]
nounpl: insulated windows
janela isolante
1. a window consisting of two or more panes of glass separated by air or gas-filled spaces, designed to reduce heat transfer and improve energy efficiency
The insulated windows help keep the house warm in winter and cool in summer.
As janelas isolantes ajudam a manter a casa quente no inverno e fresca no verão.
2. a window with thermal insulation properties that minimizes energy loss through the glass
Installing insulated windows can significantly reduce your heating and cooling costs.
Instalar janelas isolantes pode reduzir significativamente seus custos de aquecimento e resfriamento.
Insulated windows are increasingly common in both Brazil and the USA as environmental awareness grows. In the USA, they are a standard upgrade for homeowners seeking to reduce energy costs and carbon footprint. In Brazil, they are more prevalent in southern regions with colder climates and in modern commercial buildings, though adoption is growing in residential construction, particularly in São Paulo and southern states.
Synonyms / Sinônimos
double-pane windowthermal windowenergy-efficient windowdouble-glazed window
Antonyms / Antônimos
single-pane windowsingle-glazed windowbasic window

Regional Variations

General Brazilian
janela isolante
standard term used in construction and real estate
Brazil
janela térmica
alternative term emphasizing thermal properties
Brazil
vidro duplo
common colloquial term focusing on the double-glass feature
Portugal
janela de vidro duplo
more formal descriptive term in European Portuguese

Related Words

thermal insulationdouble glazingenergy efficiencywindow frameweatherstrippingargon gaslow-emissivity coating

Related Idioms & Phrases

energy-efficient upgrade
green building practice
weatherization improvement
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