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
Single Line Diagram Explained: How to Read an Electrical SLD - A tenant asks for a new 40 kW electrical connection. The contractor says there is a spare breaker in the… 
Water Hammer in Plumbing: Causes and How to Fix It - A loud bang from your pipes after closing a tap is not a plumbing ghost. It is water hammer —… 
How to Write a Scope of Work for FM Contracts: A Practical Guide for Engineers and Managers - The dispute started six months into the contract. The client claimed the FM team wasn't maintaining the AHUs properly. The… 
Chilled Water System Explained: How It Works, Components and Design Basics - A new FM engineer joins the team and asks a simple question: "Where does the cold air in the building… 
Cooling Tower Maintenance Checklist: Complete PPM Guide - The chiller trips on high condenser pressure every afternoon in peak summer. The engineer checks the chiller — pressures, compressor,… 
Hot Water System Design for Commercial Buildings: A Practical Engineering Guide - The hot water pressure on the top floor hotel rooms drops every morning between 7am and 9am. Guests are complaining.… Have a Topic Suggestion?
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