EPC-Expert Pro. Guides for energy experts https://epc-expert-pro.be/en/gids/ Practical guides on VEKA entry, photo documentation and EPC workflows. Written by certified energy expert Dieter Vanwetter, updated September 2026. en Sun, 06 Sep 2026 00:00:00 GMT info@epc-expert-pro.be (EPC Expert BV) Faster VEKA entry: from 2h to 15 minutes https://epc-expert-pro.be/en/gids/veka-invoer-sneller/ https://epc-expert-pro.be/en/gids/veka-invoer-sneller/ Practical guide on structurally speeding up VEKA data entry. Three bottlenecks, concrete solutions and numbers from a 30-day test. Sun, 06 Sep 2026 00:00:00 GMT info@epc-expert-pro.be (Dieter Vanwetter) IP2025 photo checklist: all mandatory categories https://epc-expert-pro.be/en/gids/ip2025-foto-checklist/ https://epc-expert-pro.be/en/gids/ip2025-foto-checklist/ Complete overview of the 8 mandatory photo categories under the inspection protocol: façades, insulation, installations, meters. Per category: checklist + workflow tips. Sun, 06 Sep 2026 00:00:00 GMT info@epc-expert-pro.be (Dieter Vanwetter) R-values explained: insulation per material and thickness https://epc-expert-pro.be/en/gids/r-waarden-uitgelegd/ https://epc-expert-pro.be/en/gids/r-waarden-uitgelegd/ How do you read an R-value? Which materials give which R per thickness? Concrete tables for PUR, PIR, EPS, rockwool, cellulose and glass wool. Sun, 06 Sep 2026 00:00:00 GMT info@epc-expert-pro.be (Dieter Vanwetter) Calculate U-value for walls, roofs, floors and windows https://epc-expert-pro.be/en/gids/u-waarden-berekening/ https://epc-expert-pro.be/en/gids/u-waarden-berekening/ The U-value determines how much heat flows through a building element. Example calculations per type + when to use default values. Sun, 06 Sep 2026 00:00:00 GMT info@epc-expert-pro.be (Dieter Vanwetter) Inspection protocol 2026: what changes for energy experts https://epc-expert-pro.be/en/gids/inspectieprotocol-2026-wat-verandert/ https://epc-expert-pro.be/en/gids/inspectieprotocol-2026-wat-verandert/ The two confirmed VEKA changes since 1 July 2026, with source, plus a method to quickly work every protocol change into your workflow. Sun, 06 Sep 2026 00:00:00 GMT info@epc-expert-pro.be (Dieter Vanwetter) Reading nameplates: boilers, heat pumps and ventilation https://epc-expert-pro.be/en/gids/typeplaatje-lezen/ https://epc-expert-pro.be/en/gids/typeplaatje-lezen/ Which data you need from a nameplate, where to find it per appliance type, common mistakes and how the nameplate scanner (beta) speeds this up. Sun, 06 Sep 2026 00:00:00 GMT info@epc-expert-pro.be (Dieter Vanwetter) Drawing a floor plan without SketchUp: from sketch to VEKA volumes https://epc-expert-pro.be/en/gids/grondplan-tekenen-zonder-sketchup/ https://epc-expert-pro.be/en/gids/grondplan-tekenen-zonder-sketchup/ What VEKA needs from your floor plan, how to measure correctly on site, common mistakes, and how Plattegrond v2 and floor plan from PDF (beta) work. Sun, 06 Sep 2026 00:00:00 GMT info@epc-expert-pro.be (Dieter Vanwetter)