Minimal consumption
The building maintains a comfortable temperature with dramatically less heating and cooling.
Certified Passive House design · Florina, Greece
The home that keeps energy inside.
We design and build new Passive Houses and deliver complete energy-upgrade projects with outstanding thermal comfort, clean indoor air and up to 90% lower energy consumption.
01First certified Passive House
in Florina
in Florina
90%Up to lower
energy consumption
energy consumption
2012Independent civil-engineering
practice
practice
Energy performanceA+Passive standard
20–25°Cstable year-round comfort
Why Passive House
More than an energy-efficient building.
A better way to live.
Certified Passive House
Consultant
Stable comfort
Even temperatures without cold surfaces, draughts or large fluctuations.
Fresh, clean air
Controlled ventilation with heat recovery continuously renews indoor air.
From concept to living
One team.
Every stage.
Passive House design
Complete energy design focused on comfort, indoor air quality and exceptionally low consumption.
Design & construction
From the first concept and technical studies to site supervision and turnkey delivery.
Blower Door testing
Professional airtightness testing for new and existing buildings using our own calibrated equipment.
Passive House certification
Technical preparation, documentation, testing and full support throughout the certification process.
ERT television report · 21 Nov 2024Florina’s first certified Passive House
Reference project
The first certified Passive House in Florina.
A completed, monitored building demonstrating that the Passive House standard performs exceptionally well even in Florina’s demanding winter climate.
- Turnkey Passive House · Florina, 2022
- Passive House supervision · Kaisariani, Edessa, 2022–2023
- Passive House supervision · Ptolemaida, 2024–2025
Engineering practice
Accurate engineering, accountable delivery.
We undertake new construction, grant applications, complete energy upgrades and engineering services from the first survey to completion.
Our team
Three generations in construction. Performance proven by measurement.
XK Passive House & Engineers Team combines a three-generation family tradition in construction, hands-on site experience and a modern principle: building quality, comfort and energy performance must be demonstrated by real measurements.
Founder · Civil Engineer
Konstantinos Chatzopoulos
From infrastructure and public works to Florina’s first certified Passive House.
His professional career began in 2009 with surveying and infrastructure projects. Since 2012 he has operated an independent engineering practice, coordinating water, drainage, road and retaining projects, permits, energy upgrades, grant programmes and workplace safety assignments.
As a third-generation builder, Certified Passive House Designer and Blower Door Operator, he designed and built PH X‑1, Florina’s first certified Passive House, and contributed to Passive House projects in Kaisariani, Edessa and Ptolemaida.
3rdgeneration in construction15+years of technical experience2012independent practice2023XK Passive House founded
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our clients.
Contact
Planning a home that deserves to perform better?
Business details
- Company
- XK Passive House & Engineers Team E.E.
- Address
- 6 Aristotelous & Kioutachias, Florina, Greece
- Hours
- Monday–Friday 09:00–13:00
Until 20:00 by appointment - Principal engineer
- Konstantinos Chatzopoulos
Civil Engineer