Commercial AC unit installation is a technical and professional HVAC service required for offices, malls, hotels, hospitals, factories, and large commercial buildings. Proper planning and expert installation ensure better cooling, energy savings, and a longer system lifespan.

We provide end-to-end commercial air conditioning installation services with experienced HVAC professionals.

What is a commercial installation?

Commercial AC installation refers to the design, supply, and installation of high-capacity air conditioning systems that are built for continuous and heavy usage.

Common Commercial AC Systems:

• VRF / VRV AC System
• Ducted Split AC
• Packaged AC Units
• Rooftop AC Units (RTU)

For each project, the system selection is done separately based on site conditions and heat load.

Step 1: Professional Site Survey & Inspection

Before installation, we thoroughly check the site to prevent any issues in the future.

The following things are checked during a site survey:

• Total area (sq ft / sq meter)
• Ceiling height & insulation
• Occupancy & usage type
• Electrical load & power availability
• Outdoor / rooftop space
• Ventilation & fresh air requirement

A proper site survey helps avoid incorrect sizing and unnecessary costs.

Step 2: Heat Load Calculation (TR Calculation)

Heat load calculation is very important for every commercial space.

The heat load includes:

• Number of people
• Lighting & electrical equipment
• Window & sunlight exposure
• Building orientation
• Application type (office, hospital, showroom, etc.)

Based on this, the correct tonnage (tons of refrigeration) is determined.

Step 3: Right Commercial AC System Selection

The best HVAC system is recommended based on the heat load and budget.

Popular Commercial AC Options:

• VRF/VRV System – Best for energy efficiency and zoning.
• Ducted system – suitable for offices and showrooms.
• Packaged AC Unit – large halls and industrial areas
• Rooftop air conditioning unit (RTU) – Malls and warehouses

Step 4: HVAC Design & Layout Drawings

Before installation, we prepare professional HVAC drawings:

• Indoor unit location plan
• Outdoor unit placement
• Refrigerant piping route
• Drain piping
• Ducting layout (if required)
• Electrical wiring diagram

These drawings are essential for smooth installation and easy maintenance.

Step 5: Commercial AC Installation Process

Indoor Unit Installation

• Hanging rods / wall brackets fixing
• Proper leveling
• Maintain service clearance
• How to install vibration isolators?

Outdoor Unit Installation

• Concrete base in steel structure
• Rooftop curb fixing (for Ratou)
• Proper airflow clearance
• Anti-vibration rubber pads

Step 6: Refrigerant Piping Work

• Correct size copper piping
• Suction & liquid line insulation
• Brazing with nitrogen flushing
• Nitrogen pressure testing
• Vacuuming to remove moisture

Step 7: Ducting Work (Ducted AC Systems Ke Liye)

• GI / Pre-insulated duct fabrication
• Supply & return duct installation
• Volume Control Dampers (VCD)
• Fire dampers (as per safety norms)
• Thermal & acoustic insulation
• Diffusers, grills & louvers installation

Step 8: Drainage System Installation

• Condensate drain piping
• Maintain the proper slope.
• Drain trap installation
• Leakage testing
• Drain line insulation

Step 9: Electrical & Control Wiring

• Power cable laying
• Control wiring
• MCCB / isolator installation
• Proper earthing / grounding
• Panel board connection

Step 10: Testing & Commissioning

After installation, complete testing and commissioning are carried out:

• Refrigerant charging (according to manufacturer guidelines)
• Voltage & current check
• Airflow & temperature testing
• Thermostat & controller testing
• Noise & vibration check

Step 11: Final Handover & Support

• System demonstration to client
• Operation & maintenance guidance
• As-built drawings
• Warranty documents
• AMC (Annual Maintenance Contract) support

Why Choose Professional Commercial AC Installation?

If you are looking for a commercial installation, HVAC system setup, or HVAC contractor, we provide reliable and cost-effective solutions.

Offices | Malls | Hotels | Hospitals | Factories