HVAC Equipment — Certified, Supplied & Installed
From residential split ACs to 2,000-tonne industrial centrifugal chiller plants. All equipment is AHRI, ETL, and ASHRAE-certified. Contact us for a project-specific quotation.
Industrial Chillers
Zeus Air Cooled Scroll Chiller
High-efficiency air-cooled scroll chiller with multiple scroll compressors, plate heat exchanger (PHE), and green refrigerants. AHRI and ETL certified. 10 to 180 RT (35 to 633 kW). Power: 380–415V/3Ph/60Hz.
Zeus Air Cooled Inverter Scroll Chiller
Premium inverter scroll chiller with EC condenser fans and hybrid inverter compressor system for superior energy savings. IPLV up to 4.2. AHRI and ETL certified. Power: 380–415V/3Ph/60Hz.
Helios Series Air Cooled Screw Chiller
Wide-capacity screw chiller with all-aluminium micro-channel condenser, R134a / HFO-R513A (low GWP) refrigerant, DB Director controller with EEV. Rated to 46°C ambient. Power: 380V/3Ph/50Hz.
Air Cooled Horizontal Screw Chiller
16 models from 90 to 395 RT (317–1,389 kW) with single/twin compressors for redundancy. Optional micro-channel condenser. Operates up to 46°C ambient. AHRI certified, ASHRAE 90.1. Power: 380–415V/3Ph/50Hz.
Hyperion Water Cooled Horizontal Screw Chiller
13 models with PHE economiser, compact construction, and R134a refrigerant. COP 5.2–5.8. Single/twin compressors for reliability. AHRI certified, ASHRAE 90.1. 50Hz — suitable for Bangladesh.
Achelous Air Cooled VFD Screw Chiller
Variable frequency drive screw chiller 115–470 RT (406–1,656 kW) with flooded shell-and-tube evaporator. IPLV up to 3.8. Unique low-noise design. Max 46°C ambient. Power: 380–415V/3Ph/50Hz.
Poseidon Water Cooled Screw Chiller
Quiet and reliable vertical screw compressor chiller 60–1,000 RT (211–3,517 kW). Flooded shell-and-tube evaporator and condenser. COP 5.5–6.2. Advanced Vision Controller with colour touchscreen.
PROmetheus Centrifugal Chiller
Magnetic bearing centrifugal compressor chiller with VFD. 18 models 90–680 RT (316–2,391 kW). IPLV 8.0+. Oil-free operation. AHRI certified with R134a. Lowest operating cost in class.
VRF / VRV Systems
Samsung VRF System
Variable Refrigerant Flow (VRF) system with inverter compressor, multiple indoor units, heat pump, and smart connectivity. Auto Restart function. High SEER rating. Power: 380V/3Ph/50Hz.
Gree Multi-Zone VRF System
Energy-efficient multi-zone VRF system with simultaneous heating and cooling capability. Suitable for commercial offices, hotels, and residential complexes.
Residential & Commercial AC
Inverter Split Air Conditioner
Energy-efficient inverter split ACs for homes, apartments, and small offices. Brands available include Samsung, Gree, Midea, and Haier. Supply and installation available.
Ceiling Cassette Air Conditioner
Four-way ceiling cassette units for commercial spaces, conference rooms, and retail environments. Concealed installation with 360° airflow distribution.
Ducted Central Air Conditioning
Fully concealed ducted central AC systems for villas, apartments, offices, and commercial spaces where aesthetics demand invisible installation.
Cooling Towers
Open Circuit Cooling Tower
Open circuit cooling towers for chiller plant-room systems. Available in fibre-glass (FRP) and galvanised steel construction. Matched to your chiller plant requirements.
AHU & FCU
Central Station Air Handling Unit
Ducted central-station air handling units for factories, hospitals, clean rooms, and commercial buildings. Includes fresh air integration, HEPA filtration options, and BMS connectivity. Suitable for RMG production floors, hospital OTs, and data centres.
Chilled Water Fan Coil Unit
Ceiling-concealed and exposed fan coil units for chilled water systems in hotels, offices, and hospitals. Individually zone-controlled with 2-pipe or 4-pipe configurations available.
Packaged AC & Rooftop Units
Packaged Air Conditioner (PAC)
Self-contained packaged air conditioning units for server rooms, telecom exchange rooms, retail showrooms, and commercial floors. Factory-assembled for easy installation and reliable performance.
Rooftop Packaged Unit
Rooftop-mounted packaged units for large commercial buildings, factories, shopping complexes, and garment facilities. Ducted supply air with integrated fresh-air and economiser options.
Water-Cooled Packaged Air Conditioner
Water-cooled packaged units for buildings with limited roof space. Paired with cooling towers or chiller-plant condenser water loops. Ideal for commercial buildings, hotels, and hospitals where air-cooled installation is not feasible.
Precision & Clean Room Cooling
Precision Air Conditioning Unit
Precision air conditioning systems for server rooms, telecom equipment rooms, laboratories, and data centres. Maintains ±1°C temperature accuracy and 40–60% RH. Complies with ASHRAE 170 for healthcare environments.
Clean Room & Controlled Environment HVAC
Fully engineered clean room HVAC for pharmaceutical manufacturing, hospital operating theatres, ICUs, and controlled production areas. Designed to ISO 14644 and ASHRAE 170 standards. Includes HEPA filtration, positive pressure control, and validated commissioning.
HVLS & Industrial Fans
High Volume Low Speed (HVLS) Ceiling Fan
HVLS fans for large industrial spaces — garment factories, warehouses, sports halls, and logistics centres. One HVLS fan can cover up to 20,000 sq ft, replacing 20–30 conventional fans. Reduces perceived temperature by 4–8°C. Power: 0.75–3 kW.
Industrial Heavy-Duty HVLS Fan
Heavy-duty HVLS fans for steel plants, cement factories, ship-building yards, and other harsh industrial environments. Corrosion-resistant aluminium blades. IP54-rated motor. BMS-compatible with remote speed control.
Axial Flow Blower Fan
High-performance axial flow fans for industrial ventilation, duct systems, cooling towers, and forced-draught applications. Available in direct-drive and belt-drive configurations. Suitable for garments, factories, and car parks.
Industrial Wall & Roof Exhaust Fan
Wall-mounted and roof-mounted exhaust fans for factories, garment floors, poultry farms, commercial kitchens, and warehouses. Fibreglass and galvanised steel construction. Single-phase and three-phase options for any scale.
Panel & Cabinet Cooling Fan
Compact panel and cabinet cooling fans for electrical panels, switchgear, control cabinets, and server racks. IP54/IP55 rated. 24V DC and 230V AC models available. Finger-guard protection included.
High Pressure Centrifugal Fan
High-static-pressure centrifugal fans for HVAC duct systems, clean rooms, hospitals, and industrial processes requiring high air resistance. Italian-engineered Elektrovent units available for premium applications.
Multifan Fibreglass Cone & Galvanised Box Fans
Multifan fibreglass cone fans for poultry, livestock, and agri-industrial applications. EMI-galvanised box fans for garment factories and warehouses. Extremely durable in high-humidity and corrosive environments.
Wall-Mounted Fibreglass Industrial Fan
Wall-mounted fibreglass fans for garment factories, dyeing houses, and wet-process industries. Fully corrosion-resistant body and blades. Ideal for high-humidity, chemical-fume, and coastal environments across Bangladesh.
Evaporative Coolers & Ventilation
JH Cool Industrial Evaporative Cooler
Evaporative (swamp) coolers for large open industrial spaces — garment floors, factories, warehouses, and workshops. Reduces temperature by 6–12°C using evaporation. No refrigerant required. Up to 80% lower energy cost than conventional AC.
Rooftop Exhaust Ventilator
Natural and powered rooftop ventilators for factories, commercial buildings, and industrial sheds. Removes hot air, smoke, and fumes without ductwork. Elektrovent (Italy) and YSD (Taiwan) brands available for international-standard quality.
Utile Engineering Ventilation Systems
Thai-engineered ventilation fans from Utile Engineering for industrial and commercial applications across Bangladesh. Includes axial flow, centrifugal, and mixed-flow fans for general ventilation, car park exhaust, and process cooling.
Lifts & Vertical Transport
Morn Passenger & Commercial Lift
Morn Lift passenger and commercial elevators for offices, hospitals, hotels, and residential buildings. Machine-room-less (MRL) options available. Speed: 1.0–2.5 m/s. CE certified, complies with EN 81 safety standard. AMC servicing provided by Cooltech.
Nobel Premium Passenger Elevator
Nobel premium elevators with luxury cabin finishes, panoramic glass options, and smart-home integration. Ideal for premium residential towers, hotels, and corporate headquarters. Energy-efficient VVVF drive. ISO 9001 certified manufacturer.
Electrical & Power Distribution
BusBar Trunking System (Sandwich Type)
Sandwich-type busbar trunking systems for power distribution in high-rise buildings, factories, data centres, and substations. Replacing conventional cable trays with compact, low-loss busbars reduces installation time by 60% and improves safety.
Industrial Chiller — Model Comparison
Use this table to narrow down the right chiller model for your project. All models supplied and installed by Cooltech Corporation.
| Model / Series | Type | Cooling Capacity | Compressor | Refrigerant | EER / COP | Power Supply | Certifications | Best For |
|---|---|---|---|---|---|---|---|---|
| Zeus ACDS | Air Cooled Scroll | 10–180 RT 35–633 kW | Multiple Scroll | Green (Low GWP) | EER 2.8–3.2 COP 2.8–3.2 | 380–415V / 3Ph / 60Hz | AHRI, ETL | Hotels, Offices, Retail |
| Zeus ACDSV-E | Inverter Scroll | 10–100 RT 37–352 kW | Inverter/Hybrid Scroll | Green (Low GWP) | EER 3.2–3.8 IPLV up to 4.2 | 380–415V / 3Ph / 60Hz | AHRI, ETL | Energy-sensitive applications |
| Helios ACHX-D | Air Cooled Screw | 93–298 RT 329–875 kW | Semi-Hermetic Screw | R134a / R513A | EER 2.9–3.1 IPLV 3.5 | 380V / 3Ph / 50Hz | AHRI | Large commercial buildings |
| DB Horizontal Screw | Air Cooled Screw | 90–395 RT 317–1389 kW | Horizontal Screw | R134a | EER 2.8–3.0 IPLV 3.3 | 380–415V / 3Ph / 50Hz | AHRI, ASHRAE 90.1 | Factories, Hospitals (46°C) |
| Hyperion WCHX-A | Water Cooled Screw | 110–275 RT 387–967 kW | Horizontal Screw | R134a | COP 5.2–5.8 IPLV 6.0 | 380–415V / 3Ph / 50Hz | AHRI, ASHRAE 90.1 | Plant rooms with cooling towers |
| Achelous AVX-B (VFD) | Air Cooled Screw VFD | 115–470 RT 406–1656 kW | VFD Screw | Green Refrigerants | EER 3.0–3.4 IPLV 3.8 | 380–415V / 3Ph / 50Hz | AHRI | Industrial, high ambient |
| Poseidon WCFX-E | Water Cooled Screw | 60–1,000 RT 211–3517 kW | Vertical Screw | Green Refrigerants | COP 5.5–6.2 IPLV 6.5 | 380–415V / 3Ph / 50Hz | AHRI | District cooling, large plants |
| PROmetheus DCLC-M | Centrifugal | 90–680 RT 316–2391 kW | Magnetic Bearing | R134a | COP 6.1–7.0 IPLV 8.0+ | 380–415V / 3Ph / 50Hz | AHRI, ASHRAE 90.1 | Highest efficiency, large-scale |
All EER/COP figures are at ARI/AHRI standard rating conditions. IPLV = Integrated Part Load Value. Power supply specifications are nominal — contact our engineering team for project-specific selection, duty-point calculations, and electrical single-line diagrams.
Noise Level & Operating Range Reference
| Model / Series | Sound Level (dBA @ 1m) | Min. Ambient Temp | Max. Ambient Temp | Chilled Water In/Out | No. of Circuits |
|---|---|---|---|---|---|
| Zeus ACDS | 72–78 dBA | –5°C | 43°C | 12°C / 7°C | 1–4 circuits |
| Zeus ACDSV-E (Inverter) | 68–76 dBA | –10°C | 43°C | 12°C / 7°C | 1–4 circuits |
| Helios ACHX-D | 74–82 dBA | –5°C | 43°C | 12°C / 7°C | 2 circuits |
| DB Horizontal Screw (Air) | 76–85 dBA | –5°C | 46°C | 12°C / 7°C | 1–2 circuits |
| Hyperion WCHX-A (Water) | 72–78 dBA | –5°C | 40°C | 12°C / 7°C | 1–2 circuits |
| Achelous AVX-B VFD | 74–82 dBA | –5°C | 46°C | 12°C / 7°C | 1–2 circuits |
| Poseidon WCFX-E (Water) | 70–76 dBA | –5°C | 40°C (cond. water) | 12°C / 7°C | 1–2 circuits |
| PROmetheus DCLC-M (Centrifugal) | 68–74 dBA | –5°C | 40°C (cond. water) | 12°C / 7°C | 1 circuit |
Sound levels measured at 1 metre distance, free field condition. Actual site levels depend on installation environment. Contact Cooltech for acoustic consultancy.
HVLS & Industrial Fan — Technical Reference
All airflow figures at maximum speed. Energy savings vs conventional fans based on equivalent coverage area.
| Fan Model / Type | Diameter / Size | Airflow (m³/hr) | Motor Power (kW) | Coverage Area (m²) | Sound Level (dBA) | IP Rating | Best Application |
|---|---|---|---|---|---|---|---|
| HVLS Ceiling Fan | 1.8–7.3 m (6–24 ft) | Up to 180,000 | 0.75–3 kW | Up to 1,860 m² | 45–55 dBA | IP44 | Factories, warehouses, gyms |
| Axial Blower (Infinair) | 300–2,000 mm | 1,000–100,000 | 0.18–55 kW | — | 55–80 dBA | IP55 | Duct ventilation, cooling towers |
| Industrial Exhaust Fan | 300–1,800 mm | 500–50,000 | 0.09–22 kW | — | 58–82 dBA | IP44 | Factories, poultry, kitchens |
| High Pressure Centrifugal | 200–2,000 mm | 500–80,000 | 0.37–110 kW | — | 62–88 dBA | IP55 | HVAC ducts, clean rooms, process |
| Fibreglass Wall Fan | 400–1,200 mm | 5,000–30,000 | 0.37–5.5 kW | — | 55–72 dBA | IP44 | Dyeing, wet industries, coastal |
| JH Cool Evaporative | — | 8,000–30,000 | 0.55–3 kW | Up to 800 m² | 52–68 dBA | IP44 | Open factories, warehouses |
All specifications are representative values. Actual performance depends on installation configuration, static pressure, and ambient conditions. Contact our engineering team for exact duty-point calculations.
Not sure which system you need?
Our certified engineers will assess your site, calculate your load requirement, and recommend the right system — at no cost.