HVAC and Building Service Solutions,

Recognized as a global leader in Screw Compressor overhauling and comprehensive building services, setting benchmarks in quality, safety, and sustainable engineering solutions.

Our Services

We cover a wide-range of Services

Our Services

Screw Compressors (Overhauling & Maintenance)

Air Cooled and Water Cooled Chillers

Split-Type and Precision Air Conditioners

VRV Systems

Air Handling Units (AHUs)

Cooling Towers

Fire Protection and Detection Systems

Ducting and Chilled Water Piping

Civil Engineering Works

HVAC Services

Screw Compressors (Overhauling & Maintenance)

We are recognized specialists in Screw Compressor overhauling with over 20 years of global experience. Our services include complete inspection, diagnosis, rebuilding, and performance optimization to ensure maximum efficiency and extended equipment lifespan. Every overhaul is carried out using precision tools, genuine parts, and strict quality control to meet international standards.

Key Offerings:

  • Detailed inspection and fault diagnosis

  • Rotor and bearing replacement

  • Rebuilding for improved efficiency

  • Preventive maintenance and servicing

  • Energy-saving performance upgrades

HVAC Services

Air-Cooled and Water-Cooled Chillers

We provide complete solutions for chiller systems—from installation and commissioning to repair and performance tuning.
Whether it’s an air-cooled or water-cooled chiller, our engineers ensure seamless operation, optimal cooling efficiency, and reduced energy consumption.

We Offer:

  • Installation, maintenance, and overhauling

  • System diagnostics and performance checks

  • Replacement of key chiller components

  • Energy efficiency optimization

HVAC Services

VRV (Variable Refrigerant Volume) Systems

Our team designs, installs, and maintains VRV/VRF air conditioning systems that provide precise temperature control for commercial and industrial environments.
These systems offer energy-efficient comfort and reliability for spaces of any size.

We Offer:

  • Design and installation of VRV systems

  • Troubleshooting and repair

  • System balancing and optimization

  • Preventive maintenance services

HVAC Services

Split-Type & Precision Air Conditioners

We deliver high-performance split-type and precision air conditioning systems ideal for offices, homes, data centers, and laboratories.
Our solutions ensure consistent temperature, humidity control, and clean air circulation.

We Offer:

  • Residential and commercial installations

  • Servicing and refrigerant management

  • Precision cooling for critical environments

  • Energy efficiency tuning

HVAC Services

Air Handling Units (AHUs)

Our AHU solutions are designed to ensure efficient air distribution and high indoor air quality. From installation to filter replacement and fan maintenance, we deliver complete lifecycle services for AHUs.

We Offer:

  • Design and installation

  • Preventive maintenance and cleaning

  • Component upgrades for improved air quality

  • Performance optimization

HVAC Services

Cooling Towers

We provide installation, repair, and maintenance of all types of cooling towers, ensuring consistent heat rejection and reliable operation.
Our maintenance programs help minimize downtime and extend equipment lifespan.

We Offer:

  • Structural repairs and cleaning

  • Fan, motor, and fill media replacement

  • System balancing and performance checks

HVAC Services

Chilled & Condenser Water Pumps

Our expertise includes supply, installation, and servicing of chilled and condenser water pumps for HVAC systems.
We ensure optimal flow rate, pressure balance, and long-term performance for both new and existing systems.

We Offer:

  • Pump installation and alignment

  • Motor rewinding and repair

  • Bearing and seal replacement

  • Performance testing and maintenance

HVAC Services

Fire Protection & Detection Systems

We design and install fire protection and detection systems that comply with global safety standards.
From automatic sprinkler systems to smoke and heat detectors, our installations ensure safety, reliability, and regulatory compliance.

We Offer:

  • Fire alarm systems and panels

  • Sprinkler and hydrant installations

  • System inspection and testing

  • Maintenance and safety audits

HVAC Services

Ducting & Chilled Water Piping

We undertake fabrication and installation of ducting and chilled water piping systems to support HVAC operations in large buildings and industrial complexes.
Our team ensures airtight, insulated, and corrosion-resistant systems that optimize performance and reduce energy losses.

We Offer:

  • Sheet metal duct fabrication

  • GI and PPR piping installation

  • Thermal insulation and testing

  • Leak detection and system maintenance

Construction

Civil Engineering Works

Channa Engineering also undertakes civil construction and structural works supporting HVAC and industrial facilities.
Our engineering team ensures structural stability, durability, and compliance with modern standards.

We Offer:

  • Concrete foundations and supports

  • Structural fabrication and finishing

  • Building renovations and modifications

  • Site development and supervision

About Us

Specialists in HVAC & Building Service Solutions

Channa Engineering (Pvt) Ltd. is a trusted specialist in complete HVAC
and building service solutions. With over 20 years of global expertise in
Screw Compressor overhauling, we deliver reliable, energy-efficient, and
long-lasting solutions.