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Duct Sizing
Calculate optimal duct dimensions and airflow velocity.
Psychrometrics
Analyse air properties and psychrometric processes.
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Featured Engineering Tools
Practical calculators and converters designed to support faster HVAC and MEP engineering decisions.
Heat Load Calculator
AvailableEstimate sensible and latent cooling loads, total capacity, SHR and recommended AC size.
Open CalculatorHVAC Unit Converter
AvailableConvert common HVAC units for cooling capacity, airflow, pressure, temperature and energy.
Convert UnitsDuct Size Calculator
AvailableCalculate round and rectangular duct dimensions from airflow, velocity, duct area and approximate friction loss.
Open CalculatorPipe Size Calculator
AvailableCalculate pipe diameter from flow rate and design velocity for practical metric and imperial sizing checks.
Open CalculatorPump Head Calculator
AvailableEstimate pump head from static lift, pipe friction, fittings and equipment losses for preliminary system checks.
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Built by a practising MEP engineer
Mohamed Suhail, Mechatronics Engineer with 12+ years across MEP project engineering, consultancy submittal review, facility maintenance and HVAC/MEP technical sales — the experience behind every guide and tool on BuildMEP.
Method Statements, Built From Real Projects
Editable Word documents with ITP hold points, test records and HSE tables — written from field experience, not generic templates.
Fire Pump Installation & Commissioning
NFPA 20 acceptance criteria, 20-item pre-commissioning checklist and an 18-line ITP with hold/witness points.
$7 Fire ProtectionFire Hydrant System Installation & Testing
NFPA 14/24 method statement covering welding positions, hanger sizing and the two-stage hydrostatic test sequence.
$7 ElectricalEnergy Meter Inspection & Commissioning Report
A ready-to-use report template for energy meter inspection, testing and commissioning sign-off.
$7Popular Engineering Guides
Detailed explanations, comparisons and practical guidance for HVAC and building-services work.
10 Common HVAC Design Mistakes Every Engineer Should Avoid
A practical guide covering cooling loads, equipment sizing, ventilation, ductwork, controls and commissioning.
Read GuideSiemens GCA166.1E vs GCA161.1E: Comparison & Replacement Guide
Compare control signals, feedback, operating functions and practical replacement considerations.
Read ComparisonFCU vs AHU vs FAHU: Key Differences Explained
Understand the role, air source, system arrangement and typical applications of common airside equipment.
Read GuideLatest Engineering Resources
Practical files, templates and technical documents for engineering and project workflows.
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