Architect
DWG, PDF or sketch
CAD & HVAC DESIGN
HKLS-Planung für
Germany
Your outsourced MEP drafting team in Plancal NOVA — we draft, model and calculate to your concept. Review and sign-off stay with you.
You get an assessment and an hourly estimate. No sales calls, no newsletter.
Genuine Trimble Plancal NOVA licences
BIM & IFC workflow
To your CAD standard & layer convention
Project experience in
- Shopping centres
- Residential developments
- Logistics centres
- Production facilities
- Public buildings
- Office buildings
PROCESS
From concept to the building model
A structured workflow for precise, coordinated and buildable HVAC design.
BENTIL design
Analysis & HVAC modelling
Coordination
Clashes, interfaces & optimisation
Finished design
Construction drawings & documentation
Construction site
Smooth execution
SERVICES
What you can order from us
Heating · Cooling · Ventilation · Plumbing — model-based in Plancal NOVA
Detail and installation drawings, modelling, schematics and as-built plans — based on your concept and your design calculations.
For Swiss offices to SIA 108: preliminary design (31), building project (32) and detailed design (51/52) — with workshop drawings, quantity take-off and as-built plans.
Concept & detailed design
HVAC drawings from concept to construction-ready — model-based, coordinated, site-proof.
Calculation & sizing
Pipe network, duct network and pressure-loss calculation in Plancal NOVA — to the standards and parameters you specify. In Germany e.g. DIN EN 12831-1, DIN 1988-300 and VDI 2035; for projects in Switzerland SIA 384/1, 382/1 and 385/1.
Schematics & bills of materials
Riser diagrams, bills of materials and reports — straight from the model, always consistent.
As-built & record drawings
Clean as-built documentation and records after completion.
Clash detection
Cross-trade clash detection in the 3D model — including placement of fire dampers, penetration seals and fire collars to your product specification (manufacturer IFC/DWG is enough).
BIM / IFC coordination
Open data exchange via IFC — integrated seamlessly into your BIM workflow.
WORK SAMPLE
This is what our work looks like
An anonymised extract from a real project — drawn in Plancal NOVA to the client's CAD standard. No registration, no form.
Not sure which model fits your office?
Let's talk about your project →CLASH DETECTION
We spot problems before they reach the construction site.
- Detect clashes
- Save cost & time
- Ensure safe processes
- Make better decisions
⚠ Problem detected
Design clash-free — before the site finds out.
Request a project →THE TEAM
Who works on your projects
A well-practised team of system designers and engineers — short lines of communication and fixed points of contact.
Béni Attila László
Founder · HVAC systems design
Nagy Blanka
Administration & technical draughtswoman
Béni István Péter
Communication & client relations
Kovács Antal
MEP engineer · degree obtained in Romania
Márton Norbert
System design & drafting
Languages All written communication is in German — e-mails, drawings, annotations and minutes. That applies to the whole team, not just to your contact. For calls and video meetings an English-speaking contact is available.
SELECTED
Projects
Production & logistics centre
Food production · Germany
23,500 m²Cooling / heatingConstruction & delivery · 2027Drafting & modelling on behalf of the engineering office in charge
Office buildings
City-centre location · Hamburg
4,000 m²VentilationAs-built drawings in progressDrafting & modelling on behalf of the engineering office in charge
Logistics & production hall
Chocolate production · Schleswig-Holstein
2,800 m² design areaRefrigeration / ventilationRefurbishment designDrafting & modelling on behalf of the engineering office in charge
ALIA-Areal
Housing, support & care
7,000 m² design areaHKLSConcept designDrafting & modelling on behalf of the engineering office in charge
Fitness Studio Goch
Fitness studio
1,500 m²HKLSConcept designDrafting & modelling on behalf of the engineering office in chargeREFERENCES
Completed projects
Selected MEP projects we contributed to as system designers — drafting, modelling and calculation on behalf of the engineering office in charge.
ZSGZ — residential & day-care groups
New build · Zurich
Drafting & modelling on behalf of the engineering office in charge
Schulanlage Mühlebach
Refurbishment & extension · Zurich
Drafting & modelling on behalf of the engineering office in charge
Site development
Schlieren
Drafting & modelling on behalf of the engineering office in charge
Spiden
Pfäffikon
Drafting & modelling on behalf of the engineering office in charge
Pharmaceutical site
Ventilation replacement
Drafting & modelling on behalf of the engineering office in charge
Food retail store
Bleckede
Drafting & modelling on behalf of the engineering office in charge
Food retail store
Laucha
Drafting & modelling on behalf of the engineering office in charge
Food retail store
Nienburg
Drafting & modelling on behalf of the engineering office in charge
Kita Rüdersdorf
Underfloor heating · Rüdersdorf
Drafting & modelling on behalf of the engineering office in chargeCLEAR DIVISION OF ROLES
What we take on — and what stays with you
We are system designers, not the responsible engineer of record. That clarity spares both sides unpleasant surprises.
- Modelling and drafting in Plancal NOVA — on genuine Trimble licences
- Detail and installation drawings, riser schematics, parts lists, revision and as-built plans
- Network calculation and sizing inside the software — to your specifications and parameters
- Clash detection and coordination in the 3D model
- Working to your CAD standard, your layer convention and your title block
- Four-eyes principle: before handover a second system designer reviews every delivery against a checklist — layers, title block, levels, nominal sizes, clashes and annotation. It does not replace your own technical review and approval.
- Concept, design basis and decisions on standards
- Technical review and approval of the documents
- Signature, design liability and responsibility towards the client
- Fire-safety certification and official approvals
This is exactly how we have worked for engineering offices in Germany and Switzerland for years: you set the concept, we deliver the drawings — you review and release them.
FREQUENTLY ASKED
Process, invoicing and deadlines
The questions we are asked before every collaboration — answered up front.
How does a collaboration work?
First we look at your project documents — if you prefer, only after a non-disclosure agreement (NDA) has been signed. On that basis you receive a written quote and a contract. You review both at your own pace; we start only once you have signed. Every hour is documented and invoiced transparently.
What software do you work with?
Our main tool is Trimble Plancal NOVA — depending on the generation also known as Plancal Nova, Plancal or simply NOVA. We work exclusively with genuine Trimble licences. We also use AutoCAD and Revit, and exchange data openly via IFC and DWG — so our deliverables fit into your existing workflow, whatever software you design in.
How is the work invoiced?
Smaller jobs: invoiced on completion. Ongoing projects: we record the hours over the full calendar month and send you a breakdown at the start of the following month — which service, how many hours — together with the invoice. Payment term 14 days in both cases. Detailed payment and contract terms are set out in the contract you receive before the project starts.
Can I request interim status as a PDF?
Yes. On ongoing projects you can request a weekly interim status as a PDF — please allow 24 hours so we can issue a clean plan state. That way you always see where the project stands without waiting for final delivery.
Do you work to fixed deadlines?
Yes. Deadlines are agreed before the project starts. Changes during the work are normal — we then agree a new date. We keep the deadlines we commit to. If something outside our control does come up — for example a software fault in Plancal NOVA requiring Trimble support — we tell you as soon as it becomes foreseeable, not on the delivery date.
Who owns the drawings and the native files?
On full payment all rights in the work results pass to you — including the native files (Plancal NOVA, DWG, IFC). You may use, modify, pass on and reuse them without restriction and in your own name. We retain nothing, and we show your project as a reference only if you expressly release it.
Do you carry professional indemnity insurance?
No — and that is part of the model. We take on no design liability: technical review, approval, signature and responsibility towards the building owner stay with you. We therefore carry neither the cost of an engineer of record nor of design liability insurance — which is why our hourly rate is below that of a design office. The scope and limits of liability are agreed individually in the contract you receive before the project starts.
How does payment work? Do you have an IBAN for international transfers?
We invoice in euros. Every invoice carries the full details — IBAN, BIC/SWIFT, bank name and address. Payment is a normal SEPA transfer within the EU, with no cross-border fees. The invoice is issued net under the reverse-charge procedure.
The information on this page describes how we usually work and is not binding. Only the respective individual contract is authoritative.
SECURITY & CONFIDENTIALITY
Your drawings stay your drawings.
NDA before the project starts
A non-disclosure agreement on request as a matter of course — before the first file is exchanged.
GDPR-compliant processing
Project data used only for your assignment — passed on solely to contractually bound processors. List available on request. Privacy policy
Your channels, your control
Data exchange the way you specify it — e-mail, SharePoint, a cloud platform or directly via VPN inside your system.
HOW WE START
The easiest way to put us to the test
A no-obligation conversation
You outline your project — we tell you honestly whether and how we can help.
Pilot project
One floor or one trade as a trial run. You see the quality, the pace and the communication — at no risk.
Ongoing collaboration
We become your extended workbench — following your workflow, at your pace.
Billed by time spent or as a fixed project fee — agreed transparently before we start.
Ready for your next project?
A free, no-obligation quote for your project.
Fast responseWithin 24 h · Mon–Fri 8 am–5 pm
Personal adviceTailored & competent
Secure dataGDPR compliant
Or directly: office@bentil.ro WhatsApp