Running a hotel, factory, school, hospital, office block, or apartment complex without reliable hot water leads to complaints, downtime, and financial losses. Through Thoonjo Errands, you can easily hire fast, reliable, and vetted commercial heating plumbers who understand commercial hot water system installation, boiler sizing, safety, pressure management, and long-term maintenance.
Thoonjo connects you with the best commercial hot water installers and expert commercial boiler technicians in Nairobi, Kiambu, and Thika. All professionals listed on the platform are skilled plumbers, pipe fitters, and heating specialists with proven experience handling commercial buildings across Kenya.
Why Your Business Needs Reliable Commercial Hot Water & Boiler Systems
In a commercial environment, hot water is an operational necessity. Thoonjo-connected experts support:
• Hotels and lodges need hot showers 24/7
• Restaurants need consistent hot water for dishwashing and hygiene
• Hospitals and clinics rely on hot water for sterilization and patient care
• Factories and warehouses depend on hot water and steam for processes and cleaning
• Apartments, hostels and student housing must provide hot water to dozens or hundreds of tenants
When installation or servicing is handled by an untrained “fundi” instead of a verified heating specialist from the Thoonjo platform, businesses often experience:
• Inconsistent water temperature
• Low pressure or no hot water at peak hours
• Leaking pipes, tanks or boilers
• Skyrocketing energy bills due to inefficiency
• Frequent breakdowns and costly emergency repairs
A properly designed, installed and maintained commercial hot water and boiler system keeps your business compliant, efficient and profitable.
Our Full Commercial Hot Water & Boiler System Services
We offer professionals who offer complete end-to-end solution: design, installation, repairs, upgrades and maintenance for hot water and boiler systems in commercial buildings across Nairobi, Kiambu and Thika.
Best Commercial Hot Water System Installation (Primary Service)
Through Thoonjo, you can hire specialists who design and install high-capacity commercial hot water solutions, including:
• New commercial hot water system installation for hotels, offices, warehouses, schools, hospitals and apartments
• Hot and cold pipe installation using durable, pressure-rated materials
• Sizing of water heaters, boilers and storage tanks based on occupancy and usage
• Centralized hot water distribution to multiple floors, rooms and outlets
• Integration with existing plumbing and heating infrastructure
Whether you prefer gas, electric, or solar-assisted systems, Thoonjo ensures you find professionals who deliver safe, code-compliant installations.
Expert Commercial Boiler Repair Nairobi
Boiler issues can shut down your hot water supply without warning. Thoonjo Errands gives you quick access to certified boiler repair technicians offering:
• Emergency boiler repairs for gas, electric and diesel boilers
• Fixing boiler leaks, low pressure and overheating problems
• Repairing faulty burners, valves, pumps and thermostats
• Restoring hot water and heating for entire buildings
• Recommissioning boilers after long shutdowns
Experts on Thoonjo use professional diagnostic tools to quickly find the root cause and offer affordable repair options that protect your equipment and your business.
Professional Hot Water System Maintenance
Reliable hot water requires more than a one-time installation. You can book ongoing maintenance contracts through Thoonjo for:
• Monthly, quarterly and annual servicing contracts
• Descaling and flushing of boilers, heat exchangers and hot water tanks
• Inspection of safety valves, expansion tanks and pressure relief components
• Cleaning strainers and filters to improve flow and efficiency
• Testing controls, thermostats and sensors
With preventive maintenance, you reduce breakdowns, extend equipment life and lower energy usage saving money over the long term.
Commercial Heating Plumber & Pipe Fitter Services
Our team includes experienced commercial heating plumbers, handymen and pipe fitters who specialize in hot water and heating systems:
• Installation of hot water and heating lines to washrooms, kitchens, laundry areas and industrial zones
• Installation and balancing of hot water circulation pumps
• Expansion tank installation and configuration
• Pipe modifications for building extensions and renovations
• Pressure balancing for multi-storey buildings
Our team handle both new build projects and complex retrofits in existing buildings across Nairobi and Kiambu.
Hot Water Tank Replacement & Energy-Efficient Upgrades
Old, corroded or undersized hot water tanks and boilers cost you money and increase the risk of failure. Experts on Thoonjo can assist with:
| • Replacement of old industrial water heaters with modern high-efficiency units |
| • Upgrading from small domestic heaters to proper commercial water heating systems |
| • Integration of solar hot water systems with existing boilers to reduce energy bills |
| • Upgrading controls to smart thermostats and timers |
| • Improving insulation on pipes, tanks and cylinders |
Boiler & Hot Water System Diagnostics
When you’re not sure what’s wrong, Thoonjo-listed specialists offer professional diagnostics:
| • Hot water leak detection in hidden pipes and plant rooms |
| • Thermal imaging to find heat loss and failing components |
| • Flow and pressure testing to identify blockages or pump issues |
| • Energy audits for your commercial boiler and hot water system |
Each professional provides documented findings and clear recommendations.
We Serve All Types of Commercial Buildings in Nairobi, Kiambu & Thika
Professionals on Thoonjo cover multiple industries and building types:
Hotels, Lodges & Guest Houses
Reliable hot showers and efficient laundry operations are critical for guest satisfaction.
Hospitals, Clinics & Medical Centres
Healthcare facilities require safe, hygienic hot water for cleaning, sterilization and patient care.
Restaurants, Cafés & Food Production
Kitchens depend on high-temperature water for washing, cleaning and food safety compliance.
Apartments, Hostels & Student Housing
Our team design systems that deliver consistent hot water across many units, even during morning and evening peaks – helping landlords reduce complaints and improve tenant retention.
Warehouses, Factories & Industrial Facilities
From process water to cleaning, industrial hot water and boiler systems must handle high demand and harsh environments.
Offices, Schools & Institutions
Corporate buildings, colleges and schools need dependable hot water for washrooms, kitchens and cleaning.
Prices for Commercial Hot Water & Boiler Services in Kenya
(Pricing varies by provider on Thoonjo, but typical ranges are listed for guidance.)
Installation Costs
| Category | Price | Description |
|---|---|---|
| Small commercial systems (small hotels, restaurants, offices) | From KES 80,000 – 250,000 | depending on heaters, piping and controls. |
| Medium to large systems (bigger hotels, hospitals, apartments, schools) | From KES 250,000 – 1,200,000+ | based on capacity, boilers, tanks, pumps and distribution. |
Installation Costs
| Category | Price | Description |
|---|---|---|
| Standard visit and diagnosis within Nairobi / Kiambu | From KES 5,000 – 10,000 | excluding parts |
| Emergency after-hours response | At a slightly higher rate depending on distance and urgency. |
Maintenance Packages (Monthly, Quarterly, Annual)
• Monthly inspections for high-demand facilities
• Quarterly servicing for most commercial buildings
• Annual full-service packages including descaling, flushing and safety checks
Replacement & Upgrade Pricing
| Category | Price | Description |
|---|---|---|
| Hot water tank replacement | from KES 45,000+ | including labour (depending on size and brand) |
| Boiler replacement or major upgrade | priced after site inspection and capacity assessment |
Compare: Boiler vs Heat Pump vs High-Capacity Water Heaters
| Commercial Boiler Systems | Commercial Heat Pumps |
|---|---|
| • Best for large buildings with high, consistent hot water or heating demand | • Use electricity to move heat instead of generating it directly |
| • Suitable for hotels, hospitals, factories and large apartments | • More energy-efficient in many applications, especially when paired with good insulation |
| •May have higher upfront cost but efficient when properly sized and maintained | • Ideal where electricity costs and grid reliability are manageable |
Tank vs Tankless High-Capacity Heaters
• Tank systems store hot water and are useful where demand peaks sharply
• Tankless (instant) systems heat water on demand and reduce standby losses
• In large commercial environments, a hybrid approach (central tank + point-of-use units) often works best
Which One Is Best for Your Building?
The right answer depends on:
• Building size and number of users
• Hot water usage patterns (steady vs peak)
• Energy source (electricity, gas, diesel, solar)
• Budget and long-term cost considerations
Why Choose Us as Your Commercial Heating Plumber in Nairobi, Kiambu & Thika
Certified Boiler Technicians & Pipe Fitters
Our team includes certified commercial plumbers, heating engineers, handymen and pipe fitters experienced with complex hot water and boiler systems for large buildings.
Fast, Reliable Response in Nairobi, Kiambu & Thika
We understand that every minute without hot water costs you money. Our teams are positioned to respond quickly in:
• Nairobi: Westlands, CBD, Upper Hill, Industrial Area, Parklands, Kilimani, Karen, Eastlands
• Kiambu: Ruiru, Kahawa Sukari, Kahawa Wendani, Ruaka, Kiambu Town, Limuru
• Thika & Surrounds: Thika Town, Juja, Makongeni, Kenyatta Road, Landless
Transparent, Affordable Pricing
No exaggerated quotations or hidden charges.
Areas We Cover in Nairobi, Kiambu & Thika
Nairobi Areas
Westlands, Parklands, CBD, Upper Hill, Lavington, Kileleshwa, Kilimani, Karen, Mombasa Road, Industrial Area, Embakasi, Eastlands and surrounding estates.
Kiambu Areas
Ruiru, Kiambu Town, Ruaka, Kahawa Sukari, Kahawa Wendani, Thindigua, Ridgeways, Limuru and nearby business parks.
Thika & Surrounding Areas
Thika Town, Juja, Makongeni, Landless, Kenyatta Road developments and nearby industrial hubs.
AEO – Quick Answers for Common Questions
What is the best commercial hot water system installation?
The best commercial hot water system installation is one that is properly sized, professionally designed and installed by a commercial heating plumber, using high-quality boilers or heaters, well-insulated piping and correctly set controls to reliably serve your entire building.
How much does commercial boiler repair cost in Kenya?
Most commercial boiler repairs in Kenya start from KES 5,000 – 10,000 for diagnosis and minor fixes, with total costs depending on parts, size of the boiler and complexity of the problem. Large boilers or emergency night repairs may cost more after site assessment.
What causes hot water failure in commercial buildings?
Common causes include poor installation, lack of regular maintenance, scaled or blocked heat exchangers, failing pumps, faulty thermostats, leaks, low pressure and power or fuel supply problems. Regular professional maintenance greatly reduces these failures.
Do you offer emergency boiler repair in Nairobi?
Yes. We provide fast, emergency commercial boiler repair in Nairobi, Kiambu and Thika, focusing on restoring hot water safely and quickly for hotels, hospitals, factories, offices and apartments.
FQAs
How do I know if my building needs a new commercial hot water system?
If you frequently run out of hot water, experience low pressure, have rising energy bills, or your boiler and tanks are older than 10–15 years, it may be time to upgrade or replace your system.
Can you work with existing pipework and only change the boiler?
Yes. In many cases our plumbers can connect a new boiler or hot water tank to existing pipework, provided it’s in good condition. If the existing pipes are undersized or corroded, we’ll recommend targeted replacements.
Do you provide written quotations and designs?
Yes. After a site survey, our plumber provide a detailed written quotation and, where required, a basic design layout showing the main components of your commercial hot water and boiler system.
How often should a commercial boiler be serviced?
Most commercial boilers should be serviced at least once a year, but high-demand systems in hotels, hospitals and factories benefit from quarterly maintenance to remain safe and efficient.
Can I switch from electric heaters to a central boiler system?
Yes. Our plumbers can help you transition from multiple small electric heaters to a centralized commercial boiler or high-capacity hot water system, improving efficiency and reliability while reducing long-term operating costs.
Do you offer long-term maintenance contracts?
Yes. Our plumbers provide flexible monthly, quarterly and annual maintenance contracts for commercial clients in Nairobi, Kiambu and Thika, tailored to your building size and type of hot water system.
Which is cheaper to run – boiler, heat pump or tankless heaters?
It depends on your energy source, building size and usage pattern. Boilers can be very efficient in large buildings, while heat pumps can reduce energy costs in some applications. Tankless heaters reduce standby losses. We compare options and guide you to the most cost-effective solution for your building.
Book a Commercial Hot Water & Boiler Specialist Today
Running a business without consistent hot water risks operations and customer satisfaction.
With Thoonjo Errands, you can instantly hire certified commercial hot water installers and boiler repair technicians anywhere in Nairobi, Kiambu, or Thika with same-day service available.
Visit our platform at thoonjo errands

