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Building technical systems

Air, heat, and cooling
that simply work

We design, build, and maintain HVAC and building services — from single-family homes to large facilities. Choose your path and the site will adapt accordingly.

We do different things for each group. Choose your path and you will see only what is relevant to you — your services, your projects, your service.

30+years of technician experience in building services
7disciplines we manage from design to service
24/7service dispatch year-round
100 %in-house technicians with their own equipment
How it works

From site survey to long-term care

Four steps, no surprises. At each stage you know what you get and who is responsible for it.

Site Survey and Brief

We come to your site, measure the building, review the technical documentation, and listen to what you actually need. Missing documentation can be arranged by us upon agreement.

Design and Quotation

We prepare the technical solution, budget, and schedule. For larger projects we produce all stages of design documentation, in BIM if required.

Implementation and Handover

We supply and install, coordinate interfaces with other trades, and carry out both design supervision and technical supervision. At the end we train the operators and hand over the documentation.

Service and Savings

We take over regular maintenance, inspections, and checks. After an agreed period we verify whether the system is delivering the promised savings.

Why Us

Three Things We Care About

Refit First, Replace Later

The cheapest kilowatt-hour is the one you don't use. After an audit we tell you what makes sense to keep from the existing system and what truly needs replacing. Not every project has to start with demolishing the plant room.

Designer and Service Technician at the Same Table

Colleagues from our service division walk the site with the implementation team. They get to know the building before they take it over — and it shows in the speed of the first response.

A Dispatch Centre That Picks Up the Phone

A 24/7 line all year round. If you can't get through immediately, leave a message — it reaches us by email instantly and we call back.

We Speak Technically, but Clearly

An Abbreviation You Don't Know? Hover Over It.

In our field there are more abbreviations than screws. Wherever you encounter an underlined abbreviation on our website, just hover over it with your mouse or tap it on mobile — we'll explain it.

We prepare PENB, design HVAC and MaR systems, and connect the system to BMS.

Open the Abbreviation Dictionary
Kazetová klimatizační jednotka pod stropem
Get in Touch

Tell Us What You're Dealing With

A few sentences is enough. We usually respond within one working day — and if it's a fault, call dispatch directly.

In this demo, the message is not sent anywhere — on the live site it will be delivered to info@greenairtech.cz.

Just one of these is enough. Which do you prefer?

Type of property, what's installed, what's bothering you. A single sentence is fine — or skip it entirely.