EPATRONIC
Available · A&E suite for architecture and engineering firms
New: free HOAI fee calculator

From the first sketch to the final invoice – planning in the cloud

AVA, drawing management with CAD, BIM models, site diary and fees according to HOAI. One account, shared projects, participants and permissions – in your browser and together with clients, specialist planners and bidders.

One account
AVA, CAD, BIM, HOAI and site diary
In your browser
Drawings, models and bills of quantities without installation
GAEB & DIN 276
Bills of quantities and costs according to standards
IFC & DXF
Models and drawings in open formats
Free · no sign-up

HOAI fee calculator 2021

Fee range, fee per work stage, conversion surcharge, additional costs and VAT in seconds – for buildings, interiors, open spaces, civil engineering works, structural design and building services. With the same formulas as EUTHENIA HOAI (page in German).

Example: building, €800,000 chargeable costs, fee zone III, work stages 1–8 → €93,175.06 net

Calculate fee

The A&E suite

Five products, one project

Each product has its own entry point – accounts, projects, participants and permissions are the same everywhere.

Tendering · Awarding · Billing

EUTHENIA AVA

Bills of quantities (LV) in GAEB format, awarding with bid comparison, costs according to DIN 276 from the estimate to the final cost statement, invoice verification and change orders.

ava.euthenia.cloud
CAD · Drawing management

EUTHENIA CAD

Your firm's central drawing archive: draw plans in the browser – with an architectural library, walls, openings and area schedules – revisions with approval, drawing distribution with acknowledgement of receipt and permissions down to folder level.

cad.euthenia.cloud
BIM · Models

EUTHENIA BIM

Versioned IFC models per discipline, 3D view in the browser, quantities and cost groups according to DIN 276 – and the quantities go straight into the bill of quantities.

bim.euthenia.cloud
Site diary · Defects

EUTHENIA Bautagebuch

Daily reports with weather, staff, work performed and photos, defects on the floor plan with deadlines – with the site app even without a network connection, and as PDF in the office.

bautagebuch.euthenia.cloud
HOAI · Fees

EUTHENIA HOAI

Fees according to HOAI 2021 (German fee schedule for architects and engineers) based on the cost calculation: fee zone, fee rate and Leistungsphasen (work stages) – with contracts, supplements and progress invoices based on work completed, also as e-invoice (XRechnung) – plus time tracking and controlling per work stage.

hoai.euthenia.cloud

One login for everything

Register once and use all products of the suite – with the same projects, participants and permissions.

Try free for 30 days

Features

Everything a planning firm needs

From drawing and model to tendering and site supervision – on the same project data.

BoQ & GAEB

Write bills of quantities and exchange them with bidders and specialist planners in GAEB format.

Awarding

Obtain bids, compare them in the bid comparison and prepare the award recommendation.

Costs according to DIN 276

From the cost estimate to the final cost statement – directly from the model if you wish.

Invoice verification

Check and approve invoices and change orders from the contractors.

Drawing archive

Folders per project, drawing numbers based on a drawing code, drawing list as CSV and permissions down to folder level.

Revisions & approval

Revisions A, B, C … with review and approval under the four-eyes principle.

Models & quantities

IFC models in 3D, quantities per building element and version comparison: what has changed since the previous version.

Site diary & defects

Daily reports with photos, unchangeable once closed; defects on the floor plan with deadlines, notification and acceptance.

Workflow

One project, one continuous workflow

Whatever you create in one step is ready for the next – no exporting, no re-entering.

1

Plan

Draw or upload plans in the browser, review them as a revision, approve them and send them via a personal link.

2

Model

Combine the IFC models of all disciplines; quantities and cost groups add up to the cost plan.

3

Tender

Transfer quantities from the model into the bill of quantities, send it as GAEB and compare bids in the bid comparison.

4

Supervise

Keep the site diary and defects on site, verify invoices, update the costs – and bill your own fees based on work completed.

Collaboration

Everyone involved at one table

Clients, specialist planners, bidders and contractors work in the same project – with exactly the permissions you grant.

  • Drawing receipt

    Recipients open approved drawings via their link and confirm receipt.

  • Bidder portal

    Bidders submit their bid via a personal link – without an account of their own.

  • Access for external parties

    Contractors and clients see their defects and daily reports.

Pricing

Pay per seat – only for what each person uses

Single products from €15 or the suite with everything; time recording is free for everyone. Every user gets the products they need – or the suite with all five. Bidders, clients and consultants work with you free of charge via links.

EUTHENIA Engineering Suite

€99per user / month

monthly €115

All five products: AVA, CAD, BIM, site diary and HOAI – a project from the fee calculation to the final invoice.

EUTHENIA AVA

€39per user / month

monthly €45

Bills of quantities with GAEB, costs according to DIN 276, online bidding, bid comparison, evaluation and award note, tender forms, measurement, invoice checking and change orders, AI check of the bill of quantities.

EUTHENIA CAD

€29per user / month

monthly €34

Drawing archive with numbering key, revisions and approval, drawing distribution with acknowledgement of receipt, CAD in the browser (DWG/DXF) with architecture module and library.

EUTHENIA BIM

€15per user / month

monthly €18

IFC models in versions and 3D, quantities and costs from the model, room data sheets according to DIN 277, BCF topics.

EUTHENIA Site Diary

€19per user / month

monthly €22

Site diary and defects on the plan, inspections, construction schedule – with the site app also without network.

EUTHENIA HOAI

€25per user / month

monthly €29

Fees according to HOAI 2021, contracts, amendments, interim and final invoices as XRechnung, DATEV export, controlling of the hours per work stage.

Time recording

€0per user

Own hours per project and work stage in the weekly timesheet and in the site app – for all employees, without a seat.

Read-only access

€7per user / month

monthly €7

View, print and export everything without creating or changing anything.

External parties

€0unlimited

Bidders submit bids, clients and consultants see drawings, defects and the site diary, recipients confirm receipt of drawings.

Coming soon

Specification texts (STLB-Bau) Construction prices and benchmarks (BKI) GEG energy certificates Life cycle assessment

Try it now

30 days free, no obligation

Register your firm and try all EUTHENIA Engineering products with one account – no payment details required.

Try free for 30 days

Already a customer? Sign in to EUTHENIA Engineering – one login for all products.

  1. 1
    Register your firm

    Create your firm with a contact person – the account is valid for all products of the suite.

  2. 2
    Approval and 30-day trial

    Once we have approved your registration, you receive your access by email.

  3. 3
    Keep using it

    We support you during the switch and import your data.