Installation, Repair & Lifecycle Execution Services
HVAC Piping Services
Zenvent Engineering provides professional Refrigerant Piping solutions for split AC systems, VRF systems, VRV systems, ductable AC units, package AC systems, heat pumps, cold storage rooms, commercial refrigeration, supermarket refrigeration, pharmaceutical cold rooms, data center cooling and industrial refrigeration plants.
A refrigerant piping system is an important part of any air conditioning or refrigeration system. It carries refrigerant between indoor units, outdoor units, compressors, condensers, evaporators and expansion devices. Proper refrigerant pipe installation helps maintain correct refrigerant flow, cooling performance, oil return, pressure control and long equipment life.
Whether you need HVAC refrigerant piping, AC refrigerant piping, VRF refrigerant piping, split AC copper piping, refrigerant copper pipe installation, ACR copper pipework, refrigerant pipe insulation, nitrogen pressure testing, vacuuming, leak testing, commissioning, repair or AMC service, Zenvent Engineering offers complete refrigerant piping services for commercial, industrial and residential HVAC projects.
HVAC Details
Refrigerant Piping is the pipe network used in HVAC and refrigeration systems to carry refrigerant between system components. It connects indoor and outdoor units and allows refrigerant to absorb heat from indoor air and reject heat outside.
Refrigerant piping is commonly made using ACR copper pipe, refrigeration copper tubing, soft copper pipe, hard drawn copper pipe or pre-insulated copper pipe depending on system type, refrigerant type, pressure requirement and installation layout.
In HVAC, refrigerant piping means the copper pipework or refrigerant pipework that carries refrigerant through the air conditioning system. It includes suction line, liquid line, discharge line, hot gas line, branch joints, pipe insulation, pipe supports, service valves and refrigerant piping accessories.
The main purpose of refrigerant piping is to move refrigerant safely and efficiently through the system. It supports:
Refrigerant flow between indoor and outdoor units
Cooling and heating operation
Heat transfer in HVAC systems
Proper suction and liquid line performance
Compressor protection
Oil return in refrigerant piping
Pressure and temperature control
VRF and VRV refrigerant distribution
Commercial refrigeration system performance
Refrigerant piping connects the key parts of air conditioning and refrigeration systems. In cooling mode, refrigerant absorbs heat from indoor air through the evaporator and releases heat outside through the condenser. The refrigerant pipe allows this cycle to continue smoothly.
Zenvent Engineering provides refrigerant piping services for:
Split air conditioners
Ductable AC systems
VRF and VRV systems
Package AC units
Heat pump systems
Cold storage rooms
Commercial refrigeration
Supermarket refrigeration
Industrial refrigeration plants
Data center cooling
Pharmaceutical cold rooms
Commercial HVAC projects
Residential AC systems
Refrigeration plants
Air conditioning systems
HVAC Details
The refrigerant piping system working principle is based on refrigerant circulation. Refrigerant moves between indoor and outdoor units through copper refrigerant pipes, changing pressure and temperature during the cooling or heating process.
The refrigerant moves between the indoor evaporator and outdoor condenser through the refrigerant line set. In split AC and VRF systems, the copper refrigerant lines connect indoor units with outdoor condensing units.
The suction line carries low-pressure refrigerant vapor from the indoor evaporator back to the compressor. Suction line sizing and insulation are important for proper cooling performance and compressor protection.
The liquid line carries high-pressure liquid refrigerant from the condenser to the expansion device or indoor unit. Proper liquid line sizing helps maintain refrigerant flow and reduces pressure drop.
The discharge line carries high-pressure, high-temperature refrigerant gas from the compressor to the condenser. It is commonly used in refrigeration systems and selected HVAC applications.
Refrigerant absorbs heat inside the building and releases heat outside. The refrigerant piping system allows this heat transfer cycle to continue through the cooling or heating process.
Correct refrigerant pipe sizing, pipe routing, insulation and charging help maintain proper pressure and temperature in the system.
Refrigerant piping must be designed to allow oil to return to the compressor. Poor oil return can affect compressor performance and system life.
HVAC Details
A refrigerant piping system includes pipes, fittings, insulation, valves, branch joints and accessories that support safe and efficient refrigerant flow.
| Component | Function | Benefit |
|---|---|---|
| Copper Refrigerant Pipes | Carry refrigerant between units | Supports cooling and heating cycle |
| Suction Line | Carries vapor refrigerant to compressor | Supports compressor operation |
| Liquid Line | Carries liquid refrigerant to expansion device | Maintains refrigerant supply |
| Discharge Line | Carries hot gas from compressor | Used in refrigeration systems |
| Hot Gas Line | Carries hot refrigerant gas | Supports heating or defrost applications |
| Refrigerant Branch Joints | Split refrigerant flow in VRF systems | Supports multiple indoor units |
| Headers and Refnet Joints | Distribute refrigerant in VRF / VRV systems | Improves system layout |
| Pipe Insulation | Prevents heat gain and condensation | Improves energy efficiency |
| Pipe Supports and Clamps | Hold pipes in position | Reduces vibration and sagging |
| Service Valves | Support servicing and isolation | Easier maintenance |
| Expansion Valve Connection | Controls refrigerant flow | Supports cooling performance |
| Filter Drier | Removes moisture and particles | Protects system components |
| Sight Glass | Shows refrigerant flow condition | Supports system checking |
| Solenoid Valve | Controls refrigerant flow | Supports automatic operation |
| Pressure Test Points | Used for testing and service | Helps commissioning and troubleshooting |
HVAC Details
Zenvent Engineering supports different refrigerant piping types based on system design, refrigerant type and HVAC application.
| Type of Refrigerant Piping | Best Suitable For | Key Features |
|---|---|---|
| Suction Refrigerant Piping | AC and refrigeration systems | Carries low-pressure vapor refrigerant |
| Liquid Refrigerant Piping | Split AC, VRF and refrigeration systems | Carries high-pressure liquid refrigerant |
| Discharge Refrigerant Piping | Refrigeration and compressor systems | Carries hot gas from compressor |
| Hot Gas Refrigerant Piping | Heat pump and defrost systems | Carries high-temperature refrigerant gas |
| Split AC Refrigerant Piping | Residential and light commercial AC | Copper line set between indoor and outdoor units |
| VRF / VRV Refrigerant Piping | Multi indoor unit HVAC systems | Uses branch joints and headers |
| Commercial AC Refrigerant Piping | Offices, malls, hotels and buildings | Designed for larger HVAC capacity |
| Industrial Refrigeration Piping | Plants and cold storage systems | Heavy-duty refrigerant pipework |
| Cold Storage Refrigerant Piping | Cold rooms and freezer rooms | Supports low-temperature cooling |
| Heat Pump Refrigerant Piping | Heating and cooling systems | Supports reverse cycle operation |
HVAC Details
Copper tubing used for refrigerant systems is commonly specified as ACR-grade tubing in technical specifications. Refrigerant piping material selection depends on refrigerant type, pressure rating, pipe size, system design, installation condition and manufacturer guidelines.
| Material / Item | Common Use | Key Features |
|---|---|---|
| ACR Copper Pipe | HVAC refrigerant piping | Suitable for air conditioning and refrigeration systems |
| Soft Copper Pipe | Split AC and small refrigerant lines | Flexible and easy to route |
| Hard Drawn Copper Pipe | Commercial and VRF piping | Straight lengths and stronger installation |
| Pre-Insulated Copper Pipe | Split AC and selected HVAC applications | Factory insulation saves site work |
| Copper Fittings | Elbows, reducers and joints | Supports pipe routing |
| Brazing Rods | Copper pipe jointing | Creates strong pipe joints |
| Branch Joints / Refnet Joints | VRF and VRV systems | Divides refrigerant flow |
| Pipe Insulation | Suction and selected liquid lines | Prevents condensation and heat gain |
| Pipe Clamps and Supports | Pipe fixing | Reduces vibration and movement |
ACR copper pipe is commonly used for HVAC refrigerant piping because it is suitable for refrigerant systems and HVAC copper tubing applications.
Soft copper refrigeration tubing is flexible and often used in split AC copper piping, small AC refrigerant line sets and compact installations.
Hard drawn copper pipe is commonly used for commercial AC refrigerant piping, VRF refrigerant piping and larger refrigerant pipework.
Pre-insulated copper pipe is useful where insulation is factory-applied for AC copper lines, refrigerant line sets and selected HVAC applications.
Copper fittings help connect refrigerant pipes with proper routing, bending, reducers and equipment connections.
Brazing rods and jointing materials are used to create strong leak-resistant joints in copper refrigerant piping.
Refrigerant piping material selection depends on refrigerant pressure, pipe diameter, system capacity, pipe length, refrigerant type, routing, installation height and manufacturer recommendations.
HVAC Details
Specifications can be customized based on refrigerant type, system capacity, pipe size, pipe length, insulation thickness, pressure testing requirement and system type.
| Specification | Details |
|---|---|
| Service Type | Split AC copper piping |
| Suitable For | Residential and light commercial split AC systems |
| Pipe Type | Copper refrigerant line set |
| Common Lines | Suction line and liquid line |
| Material | Soft copper or ACR copper pipe |
| Insulation | AC pipe insulation for suction line |
| Joining Method | Flaring or brazing as per system requirement |
| Testing | Nitrogen pressure testing and vacuuming |
| Service Support | Installation, insulation, leak testing and repair |
| Specification | Details |
|---|---|
| Service Type | VRF refrigerant piping / VRV refrigerant piping |
| Suitable For | Commercial buildings, hotels, offices and malls |
| Pipe Type | ACR copper pipe and branch joint system |
| Lines | Suction, liquid and gas lines based on system design |
| Accessories | Refnet joints, branch joints and headers |
| Insulation | Closed cell insulation with vapor barrier |
| Testing | Nitrogen pressure test, vacuum and commissioning |
| Service Support | Design, installation, testing and AMC |
| Specification | Details |
|---|---|
| Service Type | Commercial AC refrigerant piping |
| Suitable For | Ductable AC, package AC and commercial HVAC systems |
| Material | Hard drawn copper pipe or ACR copper tubing |
| Pipe Routing | Ceiling, shaft, outdoor or plant room route |
| Insulation | Refrigerant pipe insulation with joint sealing |
| Supports | Pipe clamps, hangers and vibration control |
| Testing | Leak testing, vacuuming and performance checking |
| Service Support | Installation, repair and maintenance |
| Specification | Details |
|---|---|
| Service Type | Industrial refrigeration piping |
| Suitable For | Cold storage, freezer rooms and refrigeration plants |
| Pipe Type | Refrigeration copper pipe or project-specific material |
| Lines | Suction, liquid, discharge and hot gas line |
| Insulation | Low-temperature insulation with vapor barrier |
| Controls | Valves, solenoid valves, filter drier and sight glass |
| Testing | Pressure testing, leak testing and commissioning |
| Service Support | Maintenance, repair and leakage detection |
| Specification | Details |
|---|---|
| Service Type | Cold storage refrigerant piping |
| Suitable For | Cold rooms, freezer rooms and pharma cold rooms |
| Pipe Lines | Suction line, liquid line and discharge line |
| Material | Refrigeration copper tubing or system-specific pipe |
| Insulation | Thick closed cell insulation for low temperature |
| Testing | Nitrogen pressure testing and vacuum holding test |
| Application Benefit | Stable low-temperature performance |
| Service Support | Leakage repair, insulation repair and AMC |
| Specification | Details |
|---|---|
| Service Type | Heat pump refrigerant piping |
| Suitable For | Heating and cooling heat pump systems |
| Pipe Type | Copper refrigerant piping |
| System Function | Supports reverse cycle heating and cooling |
| Insulation | Required for refrigerant lines as per design |
| Testing | Pressure testing, vacuuming and refrigerant charging |
| Application Benefit | Reliable heating and cooling operation |
| Service Support | Installation, maintenance and repair |
| Specification | Details |
|---|---|
| Service Type | ACR copper pipework |
| Suitable For | HVAC refrigerant piping and refrigeration systems |
| Pipe Form | Soft copper or hard drawn copper |
| Common Sizes | Project-based selection such as 1/4, 3/8, 1/2, 5/8, 3/4 and 7/8 inch |
| Joining | Brazing, flaring or approved jointing method |
| Insulation | Based on line type and temperature |
| Testing | Leak test, pressure test and evacuation |
| Service Support | Supply, installation and commissioning |
HVAC Details
Split AC refrigerant piping connects the indoor unit and outdoor unit through copper refrigerant line sets.
Ductable AC refrigerant piping connects indoor ducted units with outdoor condensing units and supports higher airflow cooling.
VRF refrigerant piping and VRV refrigerant piping use branch joints and headers to connect multiple indoor units with outdoor units.
Package AC refrigerant piping supports refrigerant flow inside or between connected package air conditioning components.
Heat pump refrigerant piping supports both heating and cooling operation through refrigerant flow reversal.
Cold storage refrigerant piping is used for low-temperature cooling and refrigeration performance.
Commercial refrigeration systems use refrigerant piping for display cases, cold rooms, condensers and evaporators.
Supermarket refrigeration requires reliable refrigerant pipework for multiple cooling cases and cold storage areas.
Industrial refrigeration piping supports large-scale refrigeration loads in factories, plants and process areas.
Data center cooling applications need reliable refrigerant piping for precision air conditioning and cooling equipment.
Pharmaceutical cold rooms use refrigerant piping for temperature-controlled storage and cooling reliability.
Commercial HVAC projects use refrigerant piping for split AC, ductable AC, package AC, VRF and heat pump systems.
HVAC Details
Correct refrigerant piping helps the HVAC system deliver stable and effective cooling.
Proper pipe sizing, insulation and routing reduce energy loss and improve efficiency.
Correct pipe diameter and layout help maintain smooth refrigerant flow between system components.
Good refrigerant piping design reduces pressure drop and supports system capacity.
Proper pipe routing and velocity help return oil to the compressor and protect the system.
Quality brazing, pressure testing and leak testing reduce refrigerant leakage risk.
Correct refrigerant piping supports stable compressor operation and reduces stress.
Proper refrigerant piping installation helps improve the life of compressors, coils and HVAC equipment.
A well-installed refrigerant piping system reduces leakage, insulation damage and cooling problems.
HVAC Details
Refrigerant piping design must be planned carefully because incorrect pipe sizing, poor routing or weak installation can affect cooling capacity, refrigerant pressure, oil return and compressor life.
| Design Factor | Why It Matters |
|---|---|
| Refrigerant Type | Different refrigerants work at different pressure levels |
| Cooling Capacity | Helps decide pipe diameter |
| Pipe Diameter | Controls flow, velocity and pressure drop |
| Pipe Length | Affects refrigerant charge and pressure drop |
| Height Difference | Important for oil return and compressor protection |
| Pressure Drop | Affects cooling performance |
| Refrigerant Velocity | Supports proper flow and oil return |
| Oil Return Requirement | Protects compressor operation |
| Pipe Routing | Reduces bends, vibration and pressure loss |
| Branch Joint Placement | Important for VRF and VRV systems |
| Expansion and Vibration Control | Prevents pipe stress and noise |
| Manufacturer Guidelines | Supports correct system performance |
| Safety Code Compliance | Supports safe installation and operation |
HVAC Details
Correct refrigerant pipe sizing is important for cooling performance, oil return, refrigerant charge and pressure drop control. Zenvent Engineering supports refrigerant pipe sizing calculation based on system type and manufacturer requirements.
Suction line sizing depends on refrigerant velocity, compressor requirement, cooling capacity, pipe length and oil return requirement.
Liquid line sizing depends on refrigerant flow rate, pressure drop, system capacity and expansion valve requirement.
Discharge line sizing is important in refrigeration systems and depends on hot gas flow, compressor capacity and pressure drop.
Pipe length calculation includes actual pipe length between indoor and outdoor units.
Equivalent length includes bends, fittings, branch joints and accessories that add resistance to refrigerant flow.
Pressure drop calculation helps ensure the system can deliver required cooling without excessive refrigerant pressure loss.
Refrigerant velocity must be suitable for proper refrigerant movement and oil return.
Longer refrigerant piping may require additional refrigerant charge as per system design.
VRF, VRV, split AC and commercial AC systems should follow manufacturer pipe sizing and length guidelines.
HVAC Details
Zenvent Engineering provides refrigerant piping installation for split AC, VRF, VRV, ductable AC, commercial AC, heat pump, cold storage and refrigeration systems.
Site inspection
Drawing and layout review
Pipe size and route confirmation
Pipe cutting and preparation
Pipe routing and support installation
Copper pipe brazing or flaring
Nitrogen purging during brazing
Branch joint installation for VRF / VRV systems
Indoor and outdoor unit connection
Pipe insulation installation
Labeling and identification
Nitrogen pressure testing
Leak testing
Vacuuming and evacuation
Refrigerant charging if required
Testing and commissioning
Copper pipes should be cut cleanly and prepared properly to prevent burrs, dirt and contamination inside the refrigerant line.
Refrigerant pipe routing should reduce unnecessary bends, protect pipes from damage and follow equipment layout requirements.
Refrigerant pipe supports, clamps and hangers prevent sagging, vibration and stress on copper pipes.
Copper pipe brazing creates strong and leak-resistant joints when performed correctly.
Nitrogen purging during brazing helps reduce internal oxidation inside the copper pipe and protects system cleanliness.
VRF and VRV systems need proper branch joint installation to distribute refrigerant evenly to indoor units.
The refrigerant line set must be connected correctly to indoor and outdoor units with proper flaring, brazing, insulation and leak testing.
HVAC Details
Refrigerant pipe insulation is important for energy efficiency, condensation prevention and system performance.
Insulation helps reduce heat gain, prevent condensation and maintain refrigerant temperature.
Cold refrigerant lines can sweat when warm humid air touches the pipe surface. Proper insulation prevents condensation and water dripping.
Refrigerant pipe insulation reduces unwanted heat gain and supports better cooling performance.
Good insulation helps the HVAC system operate more efficiently by reducing thermal loss.
Closed cell insulation is commonly used for refrigerant piping because it helps resist moisture absorption and supports condensation prevention.
A proper vapor barrier helps prevent moisture from entering the insulation system.
Outdoor refrigerant pipe insulation may need UV protection, cladding or weatherproof covering to prevent damage.
Refrigerant pipe insulation thickness depends on pipe size, refrigerant temperature, ambient temperature, humidity and installation location.
Insulation joints should be sealed properly to avoid gaps, condensation and heat gain.
HVAC Details
Testing and commissioning are important to ensure refrigerant piping is leak-free, clean, dry and ready for operation.
Visual inspection checks pipe routing, support, insulation, joint quality, branch joints and equipment connections.
Nitrogen pressure testing is used to check pipe strength and identify leakage before refrigerant charging.
Leak testing helps detect refrigerant pipe leakage at joints, valves, fittings and equipment connections.
A pressure holding test confirms whether the piping system can maintain pressure without leakage.
Vacuuming removes air and moisture from refrigerant piping before system operation.
A vacuum holding test confirms system tightness and helps identify moisture or leakage issues.
Refrigerant charging is done as per system requirement after pressure testing and vacuuming.
Superheat and subcooling checking helps confirm refrigerant system performance.
Performance testing checks cooling, pressure, temperature, refrigerant flow and system stability.
The final commissioning report confirms that refrigerant piping installation, testing and system performance are complete.
HVAC Details
Regular refrigerant piping maintenance helps prevent refrigerant leakage, insulation damage, vibration, corrosion and low cooling performance.
| Maintenance Activity | Purpose |
|---|---|
| Leak Inspection | Detects refrigerant leakage early |
| Insulation Inspection | Prevents condensation and heat gain |
| Pipe Support Checking | Reduces vibration and sagging |
| Vibration Inspection | Prevents pipe stress and leakage |
| Corrosion Checking | Protects pipe life |
| Pressure Monitoring | Checks system operation |
| Temperature Monitoring | Confirms cooling performance |
| Refrigerant Charge Checking | Prevents undercharging or overcharging |
| Oil Return Checking | Protects compressor operation |
| Joint Inspection | Reduces leakage risk |
| Preventive Maintenance Schedule | Improves long-term reliability |
Refrigerant leakage can reduce cooling and damage equipment. Regular leak inspection helps maintain system performance.
Damaged insulation should be repaired quickly to prevent sweating, heat gain and energy loss.
Loose or missing pipe supports can cause vibration, noise and stress on pipe joints.
Incorrect refrigerant charge can cause low cooling, high pressure, low pressure and compressor problems.
Oil return checking is important in long refrigerant piping systems, VRF systems and refrigeration applications.
HVAC Details
| Problem | Possible Reason | Solution |
|---|---|---|
| Refrigerant leakage | Poor brazing, loose flare or damaged pipe | Leak detection and repair |
| Improper pipe sizing | Wrong diameter selection | Pipe sizing review and correction |
| Poor brazing joint | Incorrect brazing or no nitrogen purging | Joint repair and pressure testing |
| Damaged insulation | UV damage, poor sealing or moisture entry | Insulation repair or replacement |
| Pipe condensation / sweating | Missing insulation or vapor barrier failure | Insulation correction |
| High pressure drop | Long route, undersized pipe or too many bends | Routing and sizing correction |
| Poor oil return | Wrong pipe slope or low refrigerant velocity | Design review and correction |
| Pipe vibration | Weak supports or compressor vibration | Support correction and vibration control |
| Refrigerant noise | Flow restriction or poor pipe routing | System checking and pipe correction |
| Low cooling performance | Leakage, wrong charge or blocked line | Leak testing and performance checking |
| Overcharging or undercharging | Incorrect refrigerant quantity | Refrigerant charge correction |
| Moisture in refrigerant line | Poor evacuation or open pipe exposure | Vacuuming and filter drier checking |
HVAC Details
Refrigerant piping carries refrigerant between air conditioning or refrigeration components. Chilled water piping carries chilled water from a chiller to AHUs, FCUs and cooling coils.
Refrigerant piping carries refrigerant gas or liquid. Condenser water piping carries water between chiller condenser and cooling tower.
Refrigerant piping carries pressurized refrigerant. Drain piping removes condensate water from HVAC equipment.
Refrigerant piping uses copper pipe suitable for HVAC and refrigeration applications. Plumbing copper pipe is used for water supply and is not selected the same way as refrigerant copper pipe.
Refrigerant piping carries refrigerant for cooling or heating cycle. Hot water piping carries hot water for heating applications.
HVAC Details
The refrigerant piping cost depends on pipe material, pipe diameter, total pipe length, refrigerant type, number of indoor units, system type, branch joints, insulation, testing and installation complexity.
| Cost Factor | Impact on Cost |
|---|---|
| Pipe Material | ACR copper pipe, soft copper and hard drawn copper vary in cost |
| Pipe Diameter | Larger diameter pipes cost more |
| Total Pipe Length | Longer refrigerant line routes increase material and labor cost |
| Refrigerant Type | Different refrigerants require suitable pressure-rated piping |
| Number of Indoor Units | More indoor units increase branch joints and pipe length |
| VRF / Split / Commercial AC System Type | System type affects layout and material requirement |
| Branch Joint Requirement | VRF and VRV systems need refnet joints and headers |
| Insulation Type and Thickness | Better insulation increases upfront cost but improves performance |
| Site Height and Accessibility | Difficult access increases installation effort |
| Testing and Commissioning Scope | Pressure testing, vacuuming and commissioning affect cost |
| Installation Complexity | Routing, bends, supports and ceiling work affect total price |
Refrigerant piping cost per meter depends on copper pipe size, insulation type, pipe route, fittings, supports and installation condition.
Refrigerant piping price in India varies based on copper price, pipe diameter, insulation, labor, testing and project complexity.
VRF refrigerant piping installation cost depends on number of indoor units, branch joints, pipe length, height difference, insulation and commissioning scope.
Split AC copper pipe installation cost depends on pipe length, pipe size, insulation, wall cutting, routing and installation access.
HVAC Details
Zenvent Engineering provides complete refrigerant piping services for residential, commercial and industrial HVAC systems.
We support refrigerant piping design, layout planning, routing, pipe sizing coordination and system selection support.
We supply refrigerant copper pipes, ACR copper pipes, fittings, insulation, supports, clamps and piping accessories as per project requirement.
Our installation service includes pipe routing, support fixing, brazing, branch joint installation, equipment connection, insulation and labeling.
We provide VRF refrigerant piping installation for commercial buildings, hotels, offices, malls and multi-zone HVAC projects.
We provide split AC copper piping for residential, commercial and light HVAC applications.
We provide refrigerant pipe insulation, vapor barrier sealing, UV protection and insulation repair.
We provide nitrogen pressure testing and pressure holding tests for refrigerant piping systems.
We provide vacuuming and evacuation to remove air and moisture before system operation.
We support refrigerant charging, leak checking, system performance testing and final commissioning.
We provide preventive maintenance, insulation checking, pipe support checking, refrigerant charge checking and leak inspection.
We repair refrigerant pipe leakage, damaged insulation, poor joints, vibration issues and low cooling problems.
We provide refrigerant leakage detection and repair for AC systems, VRF systems and refrigeration systems.
Zenvent Engineering offers AMC service for refrigerant piping systems to support regular inspection and reliable operation.
HVAC Details
Zenvent Engineering delivers reliable refrigerant piping solutions for HVAC and refrigeration projects. We focus on proper pipe sizing, quality installation, leak-free joints, proper insulation, accurate pressure testing, vacuuming and long-term service support.
Refrigerant piping design support
HVAC refrigerant piping installation
VRF and VRV refrigerant piping service
Split AC copper piping installation
Commercial AC refrigerant piping support
Cold storage refrigerant piping solutions
ACR copper pipework and insulation
Copper pipe brazing with nitrogen purging
Nitrogen pressure testing and leak testing
Vacuuming and commissioning
Refrigerant leakage repair
Preventive maintenance and AMC support
FAQ
Refrigerant piping is the pipe network used in HVAC and refrigeration systems to carry refrigerant between indoor units, outdoor units, compressors, condensers and evaporators.
