Mechanical Ventilation

Supply Installation & Maintenance of Mechanical Ventilation | Extraction System

In today’s fast-paced world, maintaining clean, fresh air in buildings is essential for health, safety, and productivity. Lean Ventures Limited, Kenya’s trusted provider of mechanical ventilation and extraction systems, specializes in designing, supplying, installing, and maintaining advanced solutions tailored to meet the demands of commercial, industrial, and residential spaces.

What Is Mechanical Ventilation & Extraction?

Mechanical ventilation and extraction systems are designed to regulate airflow in enclosed spaces. These systems provide:

1. Fresh Air Supply: Introducing clean, filtered air from the outside to ensure a comfortable and breathable indoor environment.
2. Exhaust of Stale Air: Removing polluted air, smoke, heat, odors, and harmful fumes to maintain healthy air quality.
3. Temperature Control: Balancing indoor temperatures for optimal comfort and energy efficiency.

These systems are vital in environments such as commercial kitchens, industrial facilities, offices, and residential buildings, where natural ventilation alone is insufficient.

Mechanical Ventilation & Extraction Systems Products and Services

Centrifugal Fans

General Features:

• Cast aluminum Housing
• Cast aluminum forward blades
• Epoxy powder finishing coat
• Standard asynchronous squirrel-cage motor with IP-55 protection and class F insulation. Manufactured with standard voltages 230V 50Hz in single phase motors and 230/400 V 50 Hz in three phase motors.

Long Cased Axial Fans

GENERAL FEATURES:

• Reinforced fan casing manufactured in rolling steel sheet.
• Motor-impeller modular assembly for complete versatility.
• Epoxy powder finishing coat.
• Standard asynchronous squirrel-cage motor with IP-55 protection and Class F insulation. Manufactured with standard voltages: 230V 50Hz in single phase motors and 230/400V 50Hz in three phase motors up to 4kW, and 400/690V 50Hz for higher powers.
• HM: polyamide impeller with variable pitch angle reinforced with fibre glass.
• HMA: cast aluminum impeller with variable pitch angle

Axial Wall Fun

General Features:

• Casing made of galvanized steel sheet.
• Equipped with gravity shutter.
• Aluminum impeller.
• Standard asynchronous squirrel-cage motor with P-55 protection and class F insulation
• Manufactured with standard voltage: 230/400V 50Hz.
• Protection guard on pulley area.

Wall Mounted Funs

GENERAL FEATURES:

• The ‘classic’ face of commercial wall fans. Discretely slim, tough and reliable formula that has served generations of pubs, businesses and local authorities. Stylish commercial duty unit ventilation designed for pubs, restaurants, offices, kitchens, factories, schools and shops.
• Suitable for single, cavity brick and current timber frame walls. The wall hugging, low profile white fascia is styled to blend in cleanly with commercial surroundings. For safety, a finger guard is integrated into the Ultra slim high gloss ABS fascia and the exterior wall grille design
  .

Ventilation Grilles

General Features:

• Available in flanged or optional recessed frame.
• Suitable for use in exhaust and low to medium velocity intake applications.
• Reinforcing bosses run the full length of each blade for superi or strength.
• Bird mesh to rear.
• Low pressure drop characteristics and high free area.

Ventilation Filters

GENERAL FEATURES:

• Our Industrial Air Filters are ideal for use in large commercial and industrial HVAC installations offering longer service with optimum dirt and dust-trapping performance. They are easy to handle, clean and are available in all standard sizes.
• Superior dust holding capacity means longer life, improved equipment protection.
• Staggered multi-layered slit and expanded aluminum sheets form thousands of highly effective dust and dirt holding baffles. Web-Lock frame design assures extra rigidity and durability.

Aluminum Foil and Bends

General Features:

• Flexible ducting accessories such as fabricated ‘Y’ piece fittings, PVC bends, and aluminum foil / vinyl adhesive tapes, Plastic easy fit connection clips, fume cupboards parts etc. are all available.

Applications of Mechanical Ventilation & Extraction

• Commercial Kitchens
  Kitchens generate heat, grease, and smoke during cooking, which can compromise air quality and safety. Our kitchen extraction systems effectively remove smoke and odors while supplying fresh air, creating a comfortable and safe working environment.
• Industrial Facilities
  Factories and warehouses often deal with harmful fumes, dust, and high temperatures. Our mechanical ventilation systems are built to handle these challenges, improving air quality and ensuring compliance with health and safety regulations.
• Offices & Commercial Spaces
  Poor ventilation in offices can lead to discomfort and reduced productivity. Our solutions deliver fresh air circulation and temperature control, ensuring a healthy and comfortable workspace for employees.
• Residential Buildings
  Modern homes often require ventilation systems to remove indoor air pollutants and maintain a fresh, clean environment. We offer discreet, energy-efficient solutions for residential spaces.

Benefits of Mechanical Ventilation & Extraction

• Improved Air Quality: Our systems effectively remove contaminants, odors, and harmful gases, ensuring a clean and healthy environment.
• Enhanced Comfort: Maintain optimal indoor temperatures and humidity levels for greater comfort.
• Safety Compliance: Ventilation systems are essential for meeting health and safety standards in commercial and industrial environments.
• Energy Savings: Advanced designs reduce energy consumption, lowering operational costs over time.
• Durability & Reliability: Built with high-quality materials, our systems are designed to perform efficiently for years to come.