Professional articles on MEP engineering, BIM design and energy audits.https://www.bimline.hu/en/en-ushttps://www.bimline.hu/en/blog/miert-budos-a-melegviz/https://www.bimline.hu/en/blog/miert-budos-a-melegviz/Rotten-egg-smelling hot water is rarely the water utility's fault. We explain the biological-electrochemical process at work inside DHW tanks, and the permanent engineering fix.Tue, 23 Jun 2026 00:00:00 GMTMEP EngineeringDHWMEP engineeringoperationsBIMLine Gépész Kft.https://www.bimline.hu/en/blog/hoszukseglet-energetikabol-tanusitvany-vs-gepeszeti-tervezes/https://www.bimline.hu/en/blog/hoszukseglet-energetikabol-tanusitvany-vs-gepeszeti-tervezes/An energy performance certificate measures in kWh; MEP heat demand is measured in kW. We show how to extract reliable baseline data from a certificate for heat pump sizing.Mon, 22 Jun 2026 00:00:00 GMTEnergy Efficiencyenergy certificateheat demandheat pumpBIMLine Gépész Kft.https://www.bimline.hu/en/blog/eu-tamogatas-hoszivattyu-jogi-buktatok/https://www.bimline.hu/en/blog/eu-tamogatas-hoszivattyu-jogi-buktatok/Hungarian decree 55/2016 (NFM) ties eligibility to water as the heat-transfer medium — which is why split A/C units, hydronic hubs, VRF and rooftop systems fall outside EU funding.Tue, 03 Feb 2026 00:00:00 GMTGrants & Fundingheat pumpgrantsregulationBIMLine Gépész Kft.https://www.bimline.hu/en/blog/igenyvezerelt-szelloztetes-fontossaga/https://www.bimline.hu/en/blog/igenyvezerelt-szelloztetes-fontossaga/Continuous, high-airflow mechanical ventilation dries out a home in winter. We explain the underlying physics and how demand-controlled ventilation solves it.Tue, 03 Feb 2026 00:00:00 GMTVentilationventilationcomfortdemand-controlled ventilationBIMLine Gépész Kft.https://www.bimline.hu/en/blog/lemezes-hocserelok-alkalmazasa-meretezese/https://www.bimline.hu/en/blog/lemezes-hocserelok-alkalmazasa-meretezese/A plate heat exchanger has no fixed output of its own. We cover when it's mandatory, what connection rules must be followed, and the trap hiding in sizing it.Tue, 03 Feb 2026 00:00:00 GMTMEP Engineeringheat exchangerhydronicsMEP engineeringBIMLine Gépész Kft.https://www.bimline.hu/en/blog/mekkora-puffertartaly-kell-hoszivattyuhoz/https://www.bimline.hu/en/blog/mekkora-puffertartaly-kell-hoszivattyuhoz/The role of buffer tank sizing, the failure modes of tanks that are too small or too large, manufacturer rules of thumb, and the control-engineering sizing formula.Tue, 03 Feb 2026 00:00:00 GMTHeat Pumpsheat pumpbuffer tanksizingBIMLine Gépész Kft.https://www.bimline.hu/en/blog/miert-nem-kothetjuk-be-a-hoszivattyut-mint-gazkazant/https://www.bimline.hu/en/blog/miert-nem-kothetjuk-be-a-hoszivattyut-mint-gazkazant/Gas boilers and heat pumps have fundamentally different hydraulic sizing needs. We cover the physics of the temperature differential, the classic pipe-sizing mistake, and the correct engineering solution.Tue, 03 Feb 2026 00:00:00 GMTHeat Pumpsheat pumppipe sizinghydronicsBIMLine Gépész Kft.https://www.bimline.hu/en/blog/amikor-nem-hivjak-meg-a-tervezot-kivitelezesre/https://www.bimline.hu/en/blog/amikor-nem-hivjak-meg-a-tervezot-kivitelezesre/Why there is no such thing as a 100% complete design, what risks unapproved on-site changes carry, and why design supervision is cheaper than tearing out finished work.Wed, 19 Feb 2025 00:00:00 GMTConstructionconstructiondesign supervisionBIMBIMLine Gépész Kft.https://www.bimline.hu/en/blog/hoszivattyus-rendszeroptimalizalas-hotelben/https://www.bimline.hu/en/blog/hoszivattyus-rendszeroptimalizalas-hotelben/A bivalent heat pump system for a 25-room hotel: a 60% cut in utility costs, and how a detailed construction design eliminated wildly inconsistent contractor quotes.Wed, 19 Feb 2025 00:00:00 GMTHeat Pumpsheat pumphotelenergy efficiencyconstruction designBIMLine Gépész Kft.https://www.bimline.hu/en/blog/uzletkozpont-energiahatekonysagi-kihivasok/https://www.bimline.hu/en/blog/uzletkozpont-energiahatekonysagi-kihivasok/Based on an energy audit of a 15,000 m² shopping center, we show why upgrading MEP systems — not adding thermal insulation — delivers the biggest return.Wed, 19 Feb 2025 00:00:00 GMTEnergy Efficiencyenergy efficiencyauditpaybackBIMLine Gépész Kft.https://www.bimline.hu/en/blog/wellness-medencegepeszet-energiaoptimalizalas/https://www.bimline.hu/en/blog/wellness-medencegepeszet-energiaoptimalizalas/Why pool water doesn't need 60–65 °C heating water to reach 28 °C, and how structured consulting can cut energy consumption in wellness and pool engineering.Mon, 04 Nov 2024 00:00:00 GMTEnergy Efficiencyenergy efficiencypool engineeringheat pumpwellnessBIMLine Gépész Kft.https://www.bimline.hu/en/blog/epuletgepeszeti-tervezes-szerepe-es-haszna/https://www.bimline.hu/en/blog/epuletgepeszeti-tervezes-szerepe-es-haszna/Why professional MEP (building services) design is indispensable for comfort, energy efficiency, sustainability and operational safety.Thu, 24 Aug 2023 00:00:00 GMTMEP EngineeringMEP engineeringenergy efficiencysustainabilityBIMLine Gépész Kft.https://www.bimline.hu/en/blog/tenyleg-kicsi-a-gephaz/https://www.bimline.hu/en/blog/tenyleg-kicsi-a-gephaz/Using a cramped plant room in a 3-unit apartment building as our example, we show how 3D (BIM) modeling prevents expensive surprises during construction.Tue, 09 Mar 2021 00:00:00 GMTBIM & DesignBIM3D modelingMEP designBIMLine Gépész Kft.