Focused on Commercial Air Conditioning · Professional Electrical Engineering

Evolt Cool Engineering Limited

We are a Hong Kong–based air conditioning and electrical engineering company, specializing in providing one-stop “air conditioning system + electrical system” solutions for commercial and industrial clients.

Our customers span a wide range of industries, including government departments, offices, retail shops, restaurants, schools, clinics, industrial buildings, and warehouses. From new business openings and initial air conditioning installations to routine maintenance, repairs, cleaning, and replacement of aging units, we have extensive hands-on experience.

Whether it is split-type air conditioners, window units, ceiling-mounted units, ducted systems, or VRV/VRF systems, we handle them on a regular basis. We work extensively with mainstream brands such as Daikin, Mitsubishi Electric, Panasonic, Hitachi, Toshiba, Carrier, York, LG, Samsung, Gree, and Midea.

We are well-versed in the practical installation and operational requirements of air conditioning equipment of different scales and configurations. Based on on-site conditions and operational needs, we deliver solutions that are practical, reliable, and energy-efficient.

What We Offer

Professional Service, Reliable and Trustworthy

Covering commercial air conditioning and electrical engineering, we provide a complete one-stop service—from initial assessment and system design to installation, commissioning, and ongoing maintenance—ensuring stable, safe, and operationally compliant systems. Whether for new installations, renovations, or expansion projects, we tailor solutions to site conditions and usage requirements, helping clients control costs effectively while improving energy efficiency.

Air Conditioning Installation

Based on site conditions and actual usage requirements, we provide suitable model recommendations and professional installation services.

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Air Conditioner Replacement

We assist in assessing the condition of existing equipment and provide suitable replacement solutions to enhance performance and improve energy efficiency.

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Air Conditioner Deep Cleaning

We thoroughly clean both the internal and external components of air conditioners to enhance performance while improving indoor air quality.

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Air Conditioner Repair

Our experienced engineers carry out inspections and repairs, quickly identifying issues and providing appropriate solutions.

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Maintenance Plan

Through regular inspections and maintenance, we help extend equipment lifespan and reduce the risk of unexpected breakdowns.

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Emergency Repair Service

We provide prompt support for unexpected breakdowns, restoring normal air conditioning system operation as quickly as possible.

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Who We Are

We are a Hong Kong–based commercial air conditioning and electrical engineering company.

We are committed to providing clients with reliable, compliant, and cost-effective one-stop engineering solutions.

With many years of industry experience, our clients include government departments, offices, retail shops, restaurants, schools, clinics, industrial buildings, and warehouses. Whether it is new business air conditioning installation, system upgrades, scheduled maintenance and repairs, cleaning services, or emergency support, we deliver practical and appropriate solutions tailored to actual operational needs.

We are experienced in a wide range of air conditioning systems, including split systems, ceiling-mounted units, ducted systems, and commercial VRF systems. Together with related electrical works and dedicated power configurations, we ensure overall system stability, safety, and compliance with statutory requirements.

We place strong emphasis on workmanship quality, site safety, and after-sales support. Through a professional approach, clear communication, and on-time delivery, we strive to be a long-term engineering partner trusted by our clients.

多年經驗

精通各大品牌

Installation

Repair

Cleaning

Maintenance

Our Work

Comprehensive System Solutions

We provide a diverse range of system solutions and engineering projects, covering air conditioning and electrical works of various scales and types to meet the needs of different commercial and industrial applications.

VRV／VRF

Central Air Conditioning System

Electrical Engineering

Chiller System

Cooling Tower Air Conditioning System

BMS Control panel

Building Management System

Pump Control panel

Pump Control System

AHU Control panel

Air Handling Unit Control System

After-Hours Service

Non-office-hour work can be arranged with flexible scheduling.

To accommodate our clients’ operational needs, we can carry out engineering works, repairs, maintenance, cleaning, and technical support outside normal office hours, including evenings, Saturdays, Sundays, and public holidays. These services are particularly suitable for offices, retail shops, and restaurants that need to avoid disruption to daily operations. All arrangements will be coordinated in advance based on actual requirements and quoted separately.

No Disruption to Daily Operations

Engineering works are scheduled outside normal office hours to avoid disrupting the regular operations of offices, retail shops, or restaurants.

More Flexible Scheduling

Works can be flexibly scheduled in the evenings, on weekends, or during public holidays to suit clients’ actual requirements.

Professional Support

Handled by experienced engineering personnel to ensure workmanship quality and safety standards, while minimizing response and resolution time.

Want to learn more? Contact us today.

(852) 2187 1488

You may also contact us via email or WhatsApp.

We support most mainstream air conditioning and related equipment brands available on the market. The brands listed below are for reference only and are not exhaustive. If you have a specific brand or model requirement, please feel free to contact us for further enquiry.

大金冷氣
Daikin

Founded in 1924, Daikin is a Japanese brand specializing in air conditioning and HVAC technologies, and is a pioneer of VRV/VRF systems.

三菱電機冷氣
Mitsubishi Electric

Founded in 1921, Mitsubishi Electric is a major Japanese corporation renowned for its high durability and precise control technologies.

樂聲冷氣
Panasonic

Founded in 1918, Panasonic is a Japanese brand offering a wide range of residential and commercial air conditioning solutions.

日立冷氣
Hitachi

Founded in 1910, Hitachi is a Japanese brand focused on system stability and reliable long-term operational performance.

東芝冷氣
Toshiba

Founded in 1875, Toshiba is a long-established Japanese brand, with air conditioning systems well known for energy efficiency and reliability.

開利冷氣
Carrier

Founded in 1915, Carrier is an American brand widely recognized as the inventor of modern air conditioning systems.

約克冷氣
York

Founded in 1874, York is an American brand widely used in large-scale commercial and industrial buildings.

特靈冷氣
Trane

Founded in 1913, Trane is an American brand specializing in high-efficiency commercial and central air conditioning systems.

麥克維爾冷氣McQuay

Founded in 1933, McQuay was originally an American brand and is now part of the Daikin Group. It is commonly used in large-scale central air conditioning projects.

LG 冷氣
LG

Founded in 1958, LG is a South Korean brand offering a wide range of commercial and residential air conditioning products.

三星冷氣
Samsung

Founded in 1938, Samsung is a South Korean brand that integrates smart control technologies with modern design.

格力冷氣
Gree

Founded in 1991, Gree is a Chinese brand well known for its high cost-performance ratio and large-scale production capacity.

美的冷氣
Midea

Founded in 1968, Midea is a Chinese brand providing comprehensive residential and commercial air conditioning solutions.

珍寶冷氣
General

A Japanese brand (Fujitsu General), founded in 1936, specializing in high-efficiency and reliable residential and commercial air conditioning systems.

夏普冷氣
Sharp

Founded in 1912, Sharp is a Japanese brand renowned for its precision electronics technology and durable, reliable air conditioning products.

Ready to get started?

Free On-Site Assessment

You are welcome to contact us to arrange a free consultation and quotation service. Our professional team will be pleased to provide suitable advice and assist with all types of engineering requirements.