Your Ultimate Guide for MEP & Facilities Management.
Practical guides, calculations and checklists for HVAC, Electrical, Plumbing and Facilities Management — completely free.
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Expert MEP guides, calculations and engineering references — free for engineers and FM professionals
HVAC Systems
HVAC design guides covering air handling units, chillers, ductwork sizing, CFM calculations, cooling load analysis and energy-efficient system design.
Read HVAC guides →Mechanical Systems
Mechanical engineering guides for pumping systems, pipe sizing, heat exchangers, boilers, pressure vessels, steam systems and thermal insulation.
Read Mechanical Guides →Electrical Systems
Electrical engineering references for load calculations, LV panel design, power factor correction, capacitor banks, earthing systems and energy metering.
Read Electrical Guides →Plumbing Systems
Plumbing design guides for domestic water supply, drainage systems, pipe material selection, booster pumps and hot water storage systems.
Read Plumbing Guides →Facilities Management
FM strategy guides covering PPM planning, OPEX vs CAPEX budgeting, KPI frameworks, SFG20 maintenance schedules and building asset management.
Read FM guides →Free MEP & FM Tools FREE
Online engineering calculators for AC tonnage, CFM, pump head, duct sizing and electrical load — plus SOP generator and PPM checklist builder.
Use free tools →MEP & FM Glossary 150+
Searchable A-Z glossary of MEP and Facilities Management terms — HVAC, electrical, plumbing and FM definitions explained in plain English.
Browse Glossary →Latest Guides & Articles
Real-world MEP engineering knowledge written by experienced Engineers
How to Build PPM Programme from Scratch: A Step-by-Step Guide for FM Teams - You've just taken over a building. The previous FM team left behind a folder of handwritten job cards, a spreadsheet… 
Cold Water Storage Tank Cleaning and Disinfection Guide (L8/HSG274 Procedure) - A routine water sample comes back positive for Legionella. The tank looks clean — no visible sediment, no obvious smell,… 
Centrifugal Pump Maintenance and Troubleshooting Guide - The pump has been running for six years without a single seal replacement. Then, on a Tuesday afternoon, the mechanical… 
Earthing System in Buildings: A Complete Guide - The equipment keeps tripping on earth fault. The sensitive instruments in the laboratory are producing noisy readings that nobody can… 
VRF System Troubleshooting: Common Faults, Error Codes and How to Fix Them - VRF systems are among the most capable and complex HVAC systems in commercial buildings. One outdoor unit serving 20 or… 
Generator Preventive Maintenance Checklist: Complete PPM Guide for Buildings - The power cuts at 11pm. The building switches to generator. Everything looks fine for about four seconds — and then… Have a Topic Suggestion?
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