nZEB Systems

nZEB window solutions: thermally insulated installation, Blaugelb precasings, perimeter insulation and efficient energy renovation.

A high-performance profile installed badly loses a good part of the thermal efficiency you paid for. The articles here deal with three-plane sealed installation, Blaugelb Triotherm+ precasings, warm edge spacers, pre-compressed tapes and the building energy certificate. Neofort BIZ carries out nZEB installation with full perimeter insulation in Bucharest and Ilfov.

See products and services ›

nZEB Systems · August 10 2026 · 9 min read

From nZEB to ZEB: what actually changes for windows under the EPBD

The European standard moves from “nearly zero energy” to “zero emissions”. For windows that means tighter Uw thresholds, real attention to the solar factor and installation that counts in the performance calculation.

Read →

nZEB Systems · May 17 2026 · 15 min read

What Windows Should You Choose for an nZEB House in Romania? Complete Guide 2026

Complete technical guide for nZEB windows in Romania 2026: mandatory minimum values, recommended profiles, optimal glazing config, correct RAL installation and real costs with amortisation.

Read →

nZEB Systems · Apr 23 2026 · 9 min read

What Are the Perimeter Insulation Options for Windows in Romania? Complete Guide 2026

Window perimeter insulation is the most neglected component of a quality installation. Complete guide: the difference between foam, pre-compressed band and Blaugelb preframes, real costs and what the nZEB standard requires in Romania 2026.

Read →

nZEB Systems · Apr 10 2026 · 14 min read

Complete nZEB System: Salamander bluEvolution 92 + Blaugelb Triotherm+ Preframes + Triple Glazing — Full Technical Guide 2026

What does an nZEB window system really mean? Complete technical guide: how Salamander bluEvolution 92 profile combines with Blaugelb Triotherm+ preframes, Saint-Gobain triple glazing and pre-compressed bands to achieve Uw ≤ 0.8 W/(m²K).

Read →

Prices & Guide · March 17, 2026 · 9 min read

Salamander double glazing prices in Bucharest 2026 — complete guide by profile and system

How much do Salamander windows cost in Bucharest in 2026? GreenEvolution 76 from 150 EUR/m², BluEvolution 92 from 200 EUR/m². Complete guide with prices by profile, double vs triple glazing, nZEB installation.

Read →

Renovation & Guide · March 17, 2026 · 9 min read

Replacing old windows with Salamander double glazing — complete apartment renovation guide Bucharest 2026

Replacing old windows is one of the most cost-effective investments in a Bucharest apartment. 35–50% heating savings, eliminating condensation and street noise — complete guide with prices, installation steps and everything you need to know.

Read →

Installation · February 22, 2026 · 7 min read

Installation with Blaugelb Triotherm+ Precasings — Why It's Mandatory for nZEB Certification

A high-performance PVC profile installed incorrectly loses 40% of its thermal efficiency. Learn how Blaugelb Triotherm+ precasings eliminate thermal bridges.

Read →