
Mechanical & Industrial Engineering (HVAC-R)
Central water-cooled chillers, multi-zone VRF systems, industrial cleanrooms, cyclone dust extraction, steam boiler loops, and food-grade stainless piping.
Executive Scope & Engineering Operations
Precision Engineering, Grounded in 19+ Years of Field Practice
Since our founding as Krysta Form Technical Products, our mechanical engineering division has engineered heavy HVAC-R, industrial ventilation, and process utility piping for food manufacturing plants, corporate towers, and commercial complexes across Nigeria. Our in-house plasma sheet metal duct manufacturing lines at Makogi ensure rapid deployment, zero air leakage, and exact compliance with international standards.

Verified Site Installation • Krysta Forms Operations
Systematic Scope of Work
Detailed Scope of Engineering Execution
Every system is engineered to international tolerances, backed by direct workshop staging and rigorous QA/QC documentation.
Central Chillers & VRF/VRV Air Conditioning
Turnkey cooling infrastructure engineered for West Africa's tropical climate and heavy thermal loads.
- Centrifugal and screw water-cooled & air-cooled industrial chiller plants (100TR – 800TR+).
- Variable Refrigerant Flow (VRF) inverter systems for corporate towers, banks, and luxury hotels.
- Precision computer room air handlers (CRAC) for data centers and server rooms.
- Building Management System (BMS) integration with automated temperature zoning and energy monitoring.
Industrial Ventilation & Cyclone Dust Extraction
Heavy manufacturing and food-grade factory environmental containment and air handling systems.
- High-volume cyclone dust collectors and particulate filtration systems (GB Foods Nigeria).
- Galvanized iron (GI) and 316-grade stainless steel kitchen and industrial exhaust hoods.
- Underground car park jet-fan ventilation and emergency smoke purge systems.
- Positive-pressure pharmaceutical cleanrooms and hospital operating theatres.
Piped Industrial Services & Steam Infrastructure
High-pressure process utility piping designed for continuous factory uptime and severe duty cycles.
- Steam boiler distribution loops, pressure reducing stations (PRV), and condensate return lines.
- Compressed air ring mains with refrigerated air dryers and pneumatic drop points.
- Chilled water insulated carbon steel and copper manifold systems with Armaflex cladding.
- Food and beverage sanitary stainless steel CIP (Clean-In-Place) piping (GB Foods).
Engineering Tolerances & Parameters
Technical Specifications & Design Criteria
The following table outlines the governing design codes, material standards, and performance specifications applied across this discipline.
| Engineering Parameter | Technical Specification & Range | Governing Standard / Quality Code |
|---|---|---|
| Central Chiller Cooling Capacity | Water-cooled centrifugal & air-cooled screw chillers (100TR – 800TR+) | COP ≥ 5.8 / AHRI Certified |
| VRF / VRV Inverter Systems | Multi-zone simultaneous cooling/heating inverter systems (8HP – 64HP) | Seasonal EER ≥ 4.2 |
| Custom Sheet Metal Ductwork | Galvanized iron (0.6mm–1.5mm) & stainless 316 spiral and rectangular | SMACNA Leakage Class 3 |
| Cyclone Dust Extraction | High-efficiency cyclone separators & reverse-pulse baghouse filtration | 99.5% particulate capture ≥ 5µm |
| Process Piping Pressure Rating | Food-grade 304/316 SS & Schedule 40/80 black steel carbon piping | Hydro-tested up to 30 Bar |
| Thermal & Acoustic Insulation | Closed-cell elastomeric Armaflex (9mm–32mm) & 50mm rockwool cladding | Class 0 Fire Rated (BS 476) |

Fabrication & Staging • Makogi Heavy Yard, Ogun State
Direct Machine Ownership
In-House Machinery & Calibrated Testing Rigs
We eliminate subcontracting bottlenecks by owning our core plasma cutting, hydro-testing, and electrical injection testing equipment across Lagos and Ogun State.
High-precision sheet metal HVAC duct profiling and geometric fittings
📍 Makogi Heavy Yard, Ogun State
Airtight duct seams, TDC/TDF flanged corners & low-leakage transitions
📍 Makogi Heavy Yard, Ogun State
Precise air volume balancing (CFM) & room air exchange rate verification
📍 Mobile HVAC Commissioning Squad
Deep system dehydration, nitrogen leak hold testing & R410a/R32 charging
📍 Mobile Mechanical Squad
Engineering Governance
5-Stage Project Delivery Lifecycle
Our structured 5-stage project methodology ensures zero discrepancy between architectural design, workshop fabrication, and on-site commissioning.
Cooling Load Calculation & Psychrometric Analysis
HAP/ASHRAE building cooling load calculations, fresh air CFM ventilation sizing, and CFD thermal modeling.
3D Ductwork & Piping Spatial Coordination
Detailed 3D layout of duct routing, chilled water risers, and clash elimination against electrical and structural elements.
Automated Plasma Sheet Metal Cutting & Flanging
CNC duct profiling, automated Pittsburg seam closing, acoustic internal lining, and factory QA seal checks.
Equipment Rigging, Nitrogen Brazing & Insulation Cladding
Chiller placement on vibration isolators, copper loop nitrogen brazing, steam line insulation, and duct hanging.
Testing, Adjusting & Balancing (TAB) & Handover
Air volume hood balancing, chilled water flow balancing, BMS integration, and operator training.
Quality Assurance & Handover
Certified Engineering Handover Deliverables
Every contract executed by Krysta Forms Limited concludes with an authoritative, audit-ready handover dossier including:
Proven Track Record
Representative Project Case Studies
Factory Air Conditioning & Cyclone Dust Extraction
Turnkey ventilation, heavy dust capture cyclones, and stainless food-processing ductwork.
Corporate Headquarters Complex HVAC Fitout
VRF central air conditioning, acoustic ducting, and fresh air intake systems.
Direct Engineering Consultation
Speak Directly with Our Technical Leads in Lagos & Ogun
Whether you have an upcoming tender, an architectural blueprint needing MEP coordination, or require heavy structural steel fabrication, our engineering directors are available for technical consultations.
Explore Adjacent Engineering Disciplines
All 5 Capabilities →Steel & Metal Fabrication
Heavy structural steel portal framing, clear-span warehouse trusses, architectural curtain walling, frameless glass partitions, and industrial roller shutters.
Civil & Infrastructure
Commercial office towers, mass excavation, heavy foundations, deep piling, reinforced concrete superstructures, and institutional campus infrastructure.
Electrical & ELV Systems
33/11kV substations, custom switchgear assembly, motor control centers (MCC), telecom BTS sites, addressable fire safety, and commercial solar PV microgrids.
Petrochemical & Water
Petroleum storage depots, fluid metering systems, commercial RO water treatment plants, deep boreholes, and NFPA fire hydrant ring mains.