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01 — Ventilation Projects

VENTILATION
PROJECTS

Mechanical ventilation and heat recovery for clean rooms, hospitals, data centres, parking structures, and industrial plants. ASHRAE 62.1 and BS EN 16798 compliant design.

 
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── What We Deliver

MECHANICAL VENTILATION
THAT WORKS

Fresh air is not optional — it is a regulatory requirement and a critical driver of indoor air quality, occupant health, and building energy performance. We design ventilation systems that meet ASHRAE 62.1 minimum ventilation rates, recover heat from exhaust air, and maintain precise pressure differentials for controlled environments.

ASHRAE

Compliant

85%

Heat Recovery

<0.1Pa

Pressure Control

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── Key Features

WHAT WE DELIVER

Energy Recovery Ventilators

ERV and HRV units recover up to 85% of the energy from exhaust air, dramatically reducing the heating and cooling load on the primary HVAC system.
 

Clean Room Pressurisation

Positive and negative pressure cascade design for operating theatres, cleanrooms, and pharmaceutical manufacturing to prevent cross-contamination.
 

Air Handling Units

Custom AHU design and supply including cooling, heating, humidification, dehumidification, HEPA filtration, and UV-C sterilisation sections.
 

Demand-Controlled Ventilation

CO₂-based DCV reduces ventilation airflow during low occupancy, cutting fan energy by up to 60% in variable-occupancy spaces like conference rooms.

Car Park Ventilation

Jet fan and impulse ventilation systems for basement car parks, providing compliant CO/NO₂ monitoring-linked ventilation without conventional ductwork.
 

Kitchen Exhaust

Commercial kitchen exhaust and make-up air systems, grease trap specification, and fire suppression integration to NFPA 96 requirements.
── Our Process

HOW WE WORK

01

Ventilation Audit

Assessment of existing air quality, occupancy, and regulatory requirements to determine design brief.
 

02

AHU Selection & Design

Air handling unit selection, ductwork sizing, pressure drop calculations, and CFD airflow modelling.
 

03

Installation

Ductwork fabrication and installation, AHU commissioning, balancing, and air distribution testing.
 

04

Certification

ASHRAE or BS EN certification report, air change rate verification, and handover O&M documentation.
── Brand Partners

BRANDS WE USE

Mitsubishi Electric

M-Series & City Multi

HiCool

Multi V Series

Carrier

Agio & AquaEdge

TOSHIBA

VRV IV Series
── FAQ

COMMON QUESTIONS

ASHRAE 62.1 requires 8.5 L/s per person plus 1 L/s/m² of office floor area as a minimum. Our designs always exceed minimum code requirements to support productivity and wellbeing.
In hot and humid climates like Delhi, enthalpy-based energy recovery wheels are highly effective at pre-conditioning hot humid outdoor air before it enters the AHU, reducing the cooling coil load significantly and improving humidity control.
Pressure cascade is maintained by precisely balancing supply and exhaust airflow in each zone, with differential pressure transducers feeding back to VAV damper controllers. We design to ±0.5 Pa tolerance for pharmaceutical clean rooms.

NEED A VENTILATION DESIGN FOR YOUR PROJECT?

Our ventilation engineers will assess your requirements and provide a code-compliant design proposal.

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Shivay Engineers

Private Limited