Marius M.
Electrical Engineer
Energy systems specialist focused on Passivhaus certification, HVAC design and modular construction technology. Ensuring BIOBUILDS homes meet the highest performance standards.
All Articles
Passive House Certification: 5 Criteria, 3 Classes & The Complete Process
Complete guide to Passive House certification: the 5 principles, 3 certification classes (Classic, Plus, Premium), and step-by-step process with PHPP and blower door testing.
Passive House Costs After 3 Years: Full Breakdown
Real energy bills from a 95 m² BIOBUILDS Passive House in Romania - €8,300+ saved in 3 years versus a conventional home.
Is a Passive House Worth It in 2026?
An honest ROI analysis of building Passivhaus - upfront costs, energy savings, resale value, and the break-even point.
3 Years in a Passive House: Real Savings
Real utility bills, real comfort data, and real lessons from a family living in a Passivhaus-certified BIOBUILDS home since 2023.
Modular vs Traditional Construction: Full Comparison
Side-by-side comparison of modular and traditional building - cost, timeline, quality, and flexibility across 12 key factors.
How Much Does a Modular Home Cost in 2026?
A transparent breakdown of modular home pricing - base price, options, transport, foundation, and the hidden costs nobody talks about.
What is a Passive House? Price, Savings, and the Full Process
A complete guide to Passivhaus certification - what it means, how much it costs, and the real energy savings after 3 years of living in one.
Passive House vs nZEB: The Real Difference
Both promise energy efficiency, but one delivers 10× better results. Here's what separates Passivhaus from Nearly Zero-Energy Buildings.
How We Build a House in 3 Weeks
From raw timber to move-in ready - a behind-the-scenes look at BIOBUILDS factory production, quality control, and delivery.
From Factory to Land in 48 Hours
How a completed module travels from the production line to your plot - logistics, transport, and what happens on delivery day.