Air Conditioner Maintenance and Services Contractors in Kenya

Increase the lifespan of your units with pre-planned general maintanance on your air conditioners.

Air conditioning units need occasional preventive maintenance to keep them operating efficiently and smoothly mostly at every quarter year or three times in a year. There are other important benefits of maintaining your air conditioning unit regularly.

Our PPM (planned preventative maintenance) is a scheduled work plan, with the main aim to keep your equipment working efficiently, cleanly and reliably.


All of our Service Technicians are fully licensed and receive ongoing training. As part of your air conditioning maintenance visit, our licensed service technician will:

Check and record carbon monoxide (CO) levels
Check temperatures across air handler
Check temperatures/air flow across condenser motor & compressor
Check current draw on condenser motor & compressor
Test operation of condensation system and evaporator coil
Test unit by putting it through full operation cycle
Check superheat and sub cooling readings
Check operating pressures

Regular maintenance is necessary to keep the air conditioning and heating systems running smoothly. Air conditioning and heating system maintenance requires checking for faulty AC parts and fixing them accordingly. Cleaning air filters, changing disposable filters, oiling/lubricating fan axles and motors, correcting bent fan blades and fins and so on, are part of the maintenance.
Air conditioning maintenance can be divided into Planned Preventive Maintenance and one-time air conditioning and heating maintenance. The planned preventive air conditioning maintenance is carried out on a routine basis whereas one-time air conditioning maintenance is available by customers who need air conditioning maintenance in an emergency basis without any prior or specific planning

Mechanical Ventilation Services and Duct Installation Contractors in Kenya

Our craftsmanship in this line has been the ability to design and build both standard and non-standard equipment Ventilation System to suit various customer’s requirements providing complete guaranteed systems Including :-

  • Kitchen canopies
  • Ventilation fans
  • Duct work
  • All types of filtration Services
  • Our Ventilation Services involve

Manufacture and erection of mild, galvanized and stainless steel duct work systems to HVCA standards and/or client specifications.
Supply and installation of complete ventilation systems to HVCA standards and/or client specifications.

Manufacture and installation of aluminum, galvanised and stainless steel canopies, including associated extract systems.

Manufacture of small to medium-sized mild, galvanised and stainless steel canopies, including associated extract systems.

General fabrication work in mild, galvanized and stainless steel(e.g platforms, support stands & brackets etc.

Cold Room & Chiller Installation – Custom Made Panel Installation for High Efficient Storage of Goods

Installation in Kenya Sumastar Enterprises are specialists in the design and installation of hygienic areas, cold rooms and cold stores for chilled distribution centers, as well as industrial specification firewalls and partitions.

Using high quality insulated panels, Sumastar Enterprises create temperature controlled hygienic environments throughout East Africa. From cold stores, cold rooms and hygienic food processing environments, through to chilled distribution warehouses and walk-in freezers, our experience and specialist expertise covers it all.

We pride ourselves in our ability to react when requested with both consistency of product and quality of installation. We are able to provide very competitive rates throughout our product range, including modular cold rooms and all types of insulated panels.

Air Handling Units (AHU)

Air handling units’ condition and distribute air within a building. They take fresh ambient air from outside, clean it, heat it or cool it, maybe humidify it and then force it through some ductwork around to the designed areas within a building. Most units will have an additional duct run to then pull the used dirty air out of the rooms, back to the AHU, where a fan will discharge it back to atmosphere. Some of this return air might be recirculated back into the fresh air supply to save energy, we’ll have a look at that later in the blog page.


If your fridge or freezer is out of order, not cooling, overfreezing, making noise or doing anything else out of the ordinary and if you stay in Nairobi, Sumastar Enterprises is the best refrigeration service provider to contact.

We repair and service all makes of:

  • freezers
  • ice makers

To request our service you can call us on 0721-734550, 0732-734550 or send us an e-mail on, or We offer doorstep Refrigerator Repairing & services for Domestic refrigerators and freezers or Commercial Refrigerator.