End-to-End Service
From consultation to maintenance, we handle every step — so you never have to worry about coordinating multiple contractors.
About Us
We're with You All The Way
Alpha & Omega Trinity PTE LTD (AOT) — professional M&E and home maintenance across Singapore.
From Alpha to Omega
At AOT, we don't just install water heaters — we build long-term relationships based on trust, reliability, and service that lasts. From the very first consultation to professional installation and years of aftercare, we're with you every step of the way.
We provide reliable, professional home maintenance services across Singapore — including plumbing, water heater installation, aircon servicing, electrical works, water tank cleaning, and pump systems. Trusted by homeowners, landlords, and property managers island-wide.
9+
Years Experience
5000+
Projects
3000+
Happy Customers
Why Clients Choose AOT
Licensed Technicians
Our licensed technicians bring years of hands-on experience in plumbing, electrical, aircon, and water heater systems across Singapore.
Long-Term Support
We don't just fix and forget. AOT provides ongoing maintenance plans and responsive after-service support you can count on.
Company Details
- Legal name: Alpha & Omega Trinity PTE LTD
- UEN: 201215586K
- Office: 32 Old Toh Tuck Road, I. Biz Centre #03-11, Singapore 597658
- Phone: +65 6816 2462
- WhatsApp: +65 8151 8857
- Email: sales@aot.com.sg · admin@aot.com.sg
- Hours: Mon – Fri, 9:00am – 6:00pm
Let's install it right — from the beginning.
Reach out for water heater, plumbing, aircon or electrical support.