HVAC & Air Conditioning Services

Expert Heating, Ventilation & Air Conditioning Solutions for Comfort & Efficiency in Pakistan

From complete HVAC system design and installation to AC repairs, maintenance, inverter AC servicing, gas filling, VRF systems, and Gree AC support — Custom Engineering delivers energy-efficient, reliable, and high-performance climate control solutions for commercial, industrial, residential, hospitals, malls, and offices across Pakistan.

HVAC & AC Services at a Glance – Key Strengths

Complete Climate Control Solutions

Design → Installation → Testing → Maintenance

Energy-Efficient Technologies

VRF systems, Inverter ACs, Smart Controls

24/7 Emergency AC Support

Fast response during peak summer

All Major Brands Supported

Gree, Daikin, Mitsubishi, General & more

6+ Years of Proven Expertise

50+ successful projects delivered nationwide

Why Choose Custom Engineering for HVAC & AC Services?

In Pakistan’s extreme climate, a reliable HVAC and air conditioning system is essential for comfort, productivity, and health.
We stand out with:

Whether it’s a new construction project, system upgrade, or urgent repair — we ensure year-round comfort and long-term reliability.

Our Core HVAC & Air Conditioning Services

Inverter AC Repair & Servicing

Inverter AC Repair & Servicing

Specialized services for inverter ACs including gas top‑ups, sensor replacement, efficiency optimization, and performance restoration.

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Gree AC Services

Professional installation, repair, maintenance, and warranty-level support for Gree air conditioning systems.

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VRF / VRV Systems

Advanced variable refrigerant flow systems for large buildings and multi‑zone environments — offering superior efficiency, quiet operation, and smart temperature control.

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AC Gas Filling & Refrigerant Services

Safe and precise refrigerant charging (R410A, R32, R22), leak detection, vacuuming, and pressure testing for maximum cooling efficiency.

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HVAC System Design & Installation

Complete central HVAC solutions including ducted systems, air handling units (AHUs), chillers, ventilation, and rooftop units for commercial and large-scale buildings.
Efficient airflow design
Code-compliant installations
Reliable long-term performance

Inverter AC Repair & Servicing

AC Installation

Professional installation of split ACs, cassette units, floor‑standing, window, and ducted AC systems — ensuring correct placement, piping, insulation, and testing.
Precise installation
Optimal cooling output
Clean & safe workmanship

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AC Installation

Professional installation of split ACs, cassette units, floor‑standing, window, and ducted AC systems — ensuring correct placement, piping, insulation, and testing.
Precise installation
Optimal cooling output
Clean & safe workmanship

Our Work Process

Site Survey & Client Consultation

Customized HVAC System Design & Proposal

Material Procurement & Quality Inspection

Professional Installation & System Testing

Handover, Training & Maintenance Planning

Benefits & Our Proven Process

What You Gain

What Our Clients Say

We are trusted by leading developers, contractors, industrial units, and corporate organizations across Pakistan.

Ahmed Khan Project Manager

Custom Engineering installed a complete VRF system in our office — excellent cooling, low noise, and huge energy savings!

Usman Raza Operations Head

Their AC repair team fixed our inverter units quickly during peak summer. Professional and reliable service.

Saad Malik Director – Vision Builders & Contractors

From planning to execution, Custom Engineering demonstrated professionalism, safety compliance, and technical expertise throughout the project.

Beat the Heat – Get Your HVAC / AC Project Started Today!

Whether you need a new HVAC installation, urgent AC repair, annual maintenance, or VRF system upgrade — our experts are ready to help.
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