MEP Services
HVAC, Chilled Water & Plumbing Services
At Black Line Design, we provide integrated mechanical, HVAC, and plumbing solutions for residential and commercial projects across Qatar. Our services cover chilled water systems, HVAC ductwork, water supply installations, and drainage networks, with a focus on system efficiency, installation quality, and seamless coordination with other building services.
From new installations to renovation and system upgrades, we deliver practical solutions tailored to project requirements, building specifications, and applicable technical standards.
01. HVAC Systems & Ductwork Initial Consultation
We provide HVAC installation and coordination solutions designed to support effective air distribution, indoor comfort, and energy efficiency.
Our services include:
HVAC ductwork installation and distribution systems.
Supply and return air duct networks.
Installation coordination for air handling units (AHUs) and fan coil units (FCUs).
Ventilation systems and exhaust ductwork.
Thermal insulation for ducts and associated components.
Air diffusers, grilles, dampers, and related accessories.
Coordination of HVAC services with ceilings, lighting, and architectural layouts.
Our objective is to deliver well-coordinated HVAC systems that meet the functional and technical requirements of each project
02. Chilled Water Systems
We provide chilled water piping installation and coordination for air-conditioning systems in residential, commercial, and other building environments.
Our services include:
Chilled water supply and return piping.
Pipe supports, hangers, valves, and fittings.
Thermal insulation for chilled water pipes.
Connection coordination for chillers, pumps, AHUs, and FCUs.
Installation of control valves, balancing valves, and isolation valves.
Pressure testing, flushing, and system commissioning coordination.
Inspection and maintenance of existing chilled water networks.
We focus on reliable piping connections, appropriate insulation, accessible maintenance points, and coordinated installation to support efficient cooling-system performance.
03. Water Supply Installation
We install and coordinate domestic water supply systems designed to provide reliable water distribution throughout buildings.
Our services include:
Cold and hot water supply piping.
Water distribution networks for kitchens, bathrooms, and utility areas.
Pipework, fittings, valves, and connection accessories.
Water pump and storage tank connection coordination.
Installation coordination for sanitary fixtures and plumbing equipment.
Pipe insulation where required.
Water pressure testing, flushing, and leakage inspections. Each installation is planned according to the building layout, fixture requirements, material specifications, and applicable plumbing standards.
04. Drainage & Wastewater Systems
We provide drainage installation solutions for residential and commercial properties, supporting effective wastewater removal and reliable plumbing performance.
Our services include:
Soil, waste, and vent piping systems.
Bathroom, kitchen, and utility drainage networks.
Floor drains, cleanouts, and inspection access points.
Connection of sanitary fixtures to drainage systems.
Rainwater drainage coordination where included in the project scope.
Drainage pipe supports, fittings, and installation accessories.
Drainage flow testing and leakage inspections. Our approach emphasizes correct pipe gradients, suitable pipe sizing, accessible maintenance points, and proper coordination with architectural and structural elements.
05. Testing, Maintenance & System Upgrades
We support the inspection, maintenance, and upgrading of existing HVAC and plumbing systems to maintain reliability and operational performance. Our services include:
inspection of HVAC ductwork and chilled water piping.
Identification of leaks and visible installation defects.
Inspection of water supply and drainage networks.
Replacement or upgrading of selected piping and fittings.
Preventive maintenance coordination.
Testing and commissioning support, according to the agreed scope.
Our Commitment
At Black Line Design, we understand that reliable building services are fundamental to the comfort, safety, and functionality of every space. We combine technical coordination, quality-focused installation practices, and attention to detail to deliver MEP solutions tailored to each project's needs.
From chilled water networks and HVAC ductwork to water supply and drainage installations, we help bring building systems together through coordinated, professional execution.
Popular“Clear communication and rigorous analysis distinguished the team from prior vendors we engaged.”
-- Procurement Lead
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