
Spare Parts
High-quality OEM spare parts for all major HVAC and refrigeration brands, ensuring optimal performance and longevity of your systems.
From chill to comfort, we've got you covered.

Our leadership team brings decades of hands-on experience delivering major refrigeration and HVAC projects across Qatar, UAE, Bahrain, and Oman
Coastline started because we saw a gap between what clients actually needed and what was being offered. Not a gap in technology, but in care. We wanted to change that.
We came into this with a strong foundation. Years of hands-on project experience from our leadership, and the backing of one of Qatar's most respected contracting groups, gave us something most new companies don't have. We're using that to do good work, and let the work speak for itself.
This isn't just a service to us. We're genuinely interested in the problems we solve, the systems we build, and the people we build them for. When something runs well long after we've left site, that's what we're here for.
What we stand for, and what we're working toward together with every client we serve

We want to be the team that raises the bar for sustainable, reliable cooling across the Middle East. Not through flashy promises, but through engineering that works day after day and service that actually shows up when you need it.

Our mission is straightforward: give every client access to cooling solutions that are efficient, dependable, and built to last. Whether it's a cold room, a chiller system, or something fully custom, we're here to make sure it works right, every time.
What we stand for, and what we're working toward together with every client we serve

We want to be the team that raises the bar for sustainable, reliable cooling across the Middle East. Not through flashy promises, but through engineering that works day after day and service that actually shows up when you need it.

Our mission is straightforward: give every client access to cooling solutions that are efficient, dependable, and built to last. Whether it's a cold room, a chiller system, or something fully custom, we're here to make sure it works right, every time.
We're your one-stop solution for all HVACR needs.

High-quality OEM spare parts for all major HVAC and refrigeration brands, ensuring optimal performance and longevity of your systems.

Comprehensive maintenance programs and rapid repair services to keep your systems running at peak efficiency with minimal downtime.

Complete turnkey solutions from design to installation for cold rooms, chillers, HVAC systems, and custom refrigeration projects. Freon & ammonia-based refrigeration & air conditioning projects.
Coastline brings together Mr. Rajendran's three decades of hands-on refrigeration expertise and the institutional strength of Trimax , one of Qatar's most trusted contracting groups since 2010.

Managing Director
Our team is led by Mr. Rajendran, Managing Director equipped with deep technical expertise and hands-on experience of three decades, enabling us to design and implement solutions that ensure optimal performance and energy efficiency. 30 Years of Excellence.
Est. 2010 · Doha, Qatar
One of Qatar's leading contracting groups, Trimax has 15+ years of on-the-ground experience delivering refrigeration and HVAC projects across Qatar's major logistics hubs, industrial warehouses, and cold storage facilities , always on schedule, never compromising on quality. Trusted for on-time delivery across Qatar.
Retail & Markets
Processing & Manufacturing
Warehouses & Distribution
Public Sector Projects
With 30 plus major projects completed and serving 3 countries across the region
Advanced cold room refrigeration system for large-scale retail warehousing operations with temperature-controlled storage solutions.
Indirect glycol commercial refrigeration system with ammonia backup for fresh produce and seafood market facilities.
Industrial ammonia refrigeration system featuring cold rooms, blast freezers, and spiral freezing technology for food manufacturing.
Commercial refrigeration network with open ducted chillers, multiplex display cabinets, and integrated cold room systems.
Centralized refrigeration infrastructure including freezer rooms, chiller units, and comprehensive warehouse climate control.
Industrial-scale refrigeration system serving cold storage facilities, distribution warehouses, and administrative spaces.
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