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Commercial Boiler Installation & Replacement

Specialists in large commercial heating systems across London, Surrey & Kent

Design, supply and installation of commercial boiler systems for businesses, plant rooms and large properties.
Free site survey and detailed quotation available.

Request Your Commercial Boiler Quote
Commercial boiler install London

Suitable for commercial properties, plant rooms and large heating systems

We’ve been installing commercial boilers throughout London, Surrey, Sussex and Kent for over 20 years. Our experts will specify the right boiler for your business premises while fine tuning the installation to provide maximum efficiency.
We do a comprehensive review of the entire system which is crucial before settling on a specific solution.

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Boiler Service

Commercial Boiler Installation Steps

Before we proceed with replacing a commercial boiler, conducting a thorough survey is essential .
Our gas safe registered engineer during quoting will talk you through the process, explaining necessary access requirements, how we will be installing a new boiler, boilers size, the boiler location, which type of system you have, and leading brands to consider (Vaillant, Rehema, Ideal, Hamworthy selecting the right type of boiler for your business

Here are the steps involved in our process:

  • Free Initial Assessment: We start with a free assessment of your current commercial boiler and plant room
    Survey and Options: Our survey will identify a list of replacement options, which we can discuss with you
  • Detailed Quotation: Based on the survey, we’ll provide a detailed quote with options, helping you find a solution that fits your budget
  • Construction Plan: After selecting a solution, we’ll draft and finalise a construction phase plan.
  • Safety Preparations: We’ll prepare risk assessments and method statements and scheduled the work around you.
  • Post-Installation Documentation: Following the installation, you’ll receive operation and maintenance manuals, along with a comprehensive layout of the plant room.
  • After Sales Support: Our extensive after-sales care ensures your installation continues to operate efficiently, offering you peace of mind for the years ahead.

This approach guarantees not just a new boiler but a comprehensive, efficient heating solution for your commercial needs.

Request a Commercial Boiler Installation Quote
New commercial boiler in london

Why Choose Rowlen for Commercial Boiler Installation

Trusted

Specialists in commercial boiler installation & replacement

Commercial Specialist

Over 20 years’ experience with large systems

Gas Safe

Gas Safe registered commercial engineers

System Design

Full system design and planning

Schedule

Work scheduled around your business

Commercial boiler installation in London

Why Choose Rowlen for Commercial Boiler Installation

Trusted commercial specialists with over 20 years’ experience delivering high-quality boiler installation and replacement across London, Surrey & Kent.

We specialise in the design, supply and installation of commercial boiler systems for large properties, plant rooms and complex heating systems. Our team delivers tailored solutions to suit each project, ensuring efficient, reliable and cost-effective results.

Every installation is carefully planned and scheduled to minimise disruption to your business, with a focus on long-term performance and system efficiency.

Commercial Projects We Work On

We have installed commercial boiler systems for a wide range of buildings, including:

  • Schools
  • Offices
  • Hotels
  • Apartment blocks
  • Factories & warehouses
  • Retail units
  • Retirement homes
  • Healthcare buildings

Request a Commercial Boiler Installation Quote
Tell us about your project and we’ll arrange a site survey and provide a detailed quotation.

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What our customers say about us…

5 Stars
Fantastic Boiler Servicing

Fantastic experience with Rowlen. Got back to me within 24 hours with a few dates and times. Engineer came on time...

Harrow

5 Stars
Leaking pipe

Just wanted to say how impressed I have been with Rowlen Boiler Services. I initially contacted them about a boiler service which was great but recently I had a leak...

Teddington

5 Stars
Boiler installation and relocation

Rowlen Boiler service was great from start to finish. Very friendly and professional response from Lara in the office. The customer service...

Sutton

5 Stars
Boiler service and gas safety check

I had Rowlen Boiler Services perform a service on my boiler, and I couldn’t be happier with the results. Their engineers were friendly, professional, and highly skilled...

Croydon

5 Stars
Gas Safety Checks

Gavin completed the annual gas safety work for me today and exhibited remarkable efficiency and cleanliness. I highly recommend him for any work you may need.

Harrow

5 Stars
Boiler break down

I recently experienced the remarkable service of Rowlen Boiler Services when I encountered an issue with my boiler. Their prompt response and ability to fit me in for a same-day appointment...

Guildford

5 Stars
Cooker Installation

I received exceptional and timely service from Charlie, and this is the second time I have used his services.

Guildford

5 Stars
New boiler installed

Work was carried out at my elderly Mothers house . The engineers were very kind and respectful, they cleared up before thy left each evening...

Croydon

5 Stars
Gas Safety Check, Boiler Service and Gas Certificate

A very professional and punctual service from the moment I engaged with them to arrange for the engineer to come in...

London

5 Stars
Installing a pool boiler

A really great service from start to finish. Easy to speak to at the outset to arrange a visit from an engineer. He came up with...

Guildford

5 Stars
Gas Heating Installation

Charlie friendly but also prompt and highly knowledgeable. He proved to be a really nice guy to work with. Throughout the process, his communication was excellent...

Banstead

5 Stars
Installed a new swimming pool boiler.

I chose Rowlen because they were very useful on the phone before installation, taking me through my requirements and recommending...

Maidenhead

5 Stars
Boiler annual inspection and smart thermostat installation

Easy communication and very reliable service both times, with both engineers. Very happy with the service provided.

Ealing

5 Stars
Boiler Servicing

Excellent Communication, Friendly and Easy to Work With. Highly Professional and Prompt. Would Definitely Choose Their Services Again.

Guildford

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Boiler Service FAQs

  • What are the benefits of installing a commercial boiler?

    Investing in a commercial boiler installation for your property can lead to long-term cost savings. By designing a boiler system tailored to your business’s needs, you can achieve optimum energy efficiency, thereby reducing your energy bills. Furthermore, if your boiler’s Energy Performance Certificate (EPC) rating is F or above, it must be replaced in compliance with the Government’s Energy Act.

  • Which brand of commercial boiler should I choose?

    There are lots of boiler brands to choose from but is always wise to opt for a brand that focuses on quality and efficiency. Here at Rowlen, we can fit a range of commercial boilers and will help you to choose the one that best meets your needs. Some of the most common brands we install include:

    • Ideal Commercial Boilers
    • Valliant Commercial Boilers
    • Worcester Commercial Boiler
    • Rehema Commercial Boilers
    • Hamworthy Commercial Boilers

    And many more

    If the brand you are interested in is not listed, then don’t worry! Just contact us to discuss your requirements; we would love to hear from you!

     

  • What is a commercial boiler?

    A domestic boiler is designed for properties with an input of up to and including 70kw net. If the boiler’s input exceeds 70kw net, it falls into the commercial gas category. Commercial boilers are specifically built to handle larger premises and higher heating demands.

    Longevity: Regular maintenance can significantly prolong the life of your boiler.

  • Should I have my existing boiler repaired or replaced?

    Should your commercial boiler require repair, depending on the problem’s severity, it might be wise to think about a replacement. Especially if your boiler is over 20 years old, opting for a new commercial boiler installation to enhance efficiency could be beneficial.

    Repairing your heating system is crucial, especially in commercial property where maintaining appropriate temperatures and hot water access is often a responsibility, depending on the type of facility.

  • Which commercial boiler manufacters do you install?

    We install all leading commercial boilers from manufacturers such as Ideal, Rehema, Vaillant, Worcester Bosch, and more!

  • Which areas do you cover?

    If you are looking for a commercial boiler installation London, Surrey or Kent we got you covered!

  • What is the cost of a commercial boiler installation?

    The process of installing a commercial boiler typically involves more intricacies compared to a standard residential boiler installation. Fortunately, our gas engineers are fully trained to handle installations of any scale, ensuring safe and efficient installation of new commercial boilers and central heating systems in your facility.

    For a new commercial boiler or need work to your central heating system get in touch for a free quote.

  • Who is qualified to do a commercial boiler installation?

    A commercial boiler installation must be performed by a commercial regiestered gas engineer. For gas-fired boilers, it’s legally mandatory to have a Gas Safe registered engineer with appropriate qualifications for the installation. In the case of LPG or Oil boilers, the engineer must hold relevant certifications, such as OFTEC certification. While it’s technically possible for an individual to install an electric boiler in their own, non-rented domestic property, it’s generally advised against for safety reasons. Additionally, if you intend to sell or rent the property, the boiler may need reinstallation by a qualified engineer.

  • Do I need to book a commercial boiler installation appointment?

    Yes, to give you a quote its a must as properly planned commercial boiler installations are essentially halfway to completion. Here are the critical steps we consider essential for every boiler installation project.

    Initial Assessment:

    The first step involves the heating engineer determining the required output of the plant rooms/boilers for your commercial heating system. For direct replacements, we often match or slightly increase the output compared to the existing units. In other cases, we calculate the heat loss taking into account any hot water system or plate heat exchangers, or by summing up the output of all heat emitters and adding a buffer for pipework losses then select most most efficient boiler for your needs.

    Gas Supply Evaluation:

    Next, we examine the natural gas supply, ensuring the meter and pipework are adequately sized to meet the new boilers’ demand while maintaining the correct gas pressure, considering the pipework’s length.

    Installation Feasibility:

    We then assess the installation’s feasibility, including flue routing options, condensate waste drainage, space availability, access for boiler delivery, connectivity to existing heating pipes, and whether a plate heat exchanger is needed to integrate the new boilers. We also consider the need for new controls, a pressurisation unit, expansion vessel, and any required improvements to the plant room’s

    With these considerations addressed, we draft a preliminary work program, including changeovers to minimise downtime. A risk assessment and method statement are prepared to guide the installation team, outlining the plan and highlighting risk mitigation strategies. This phase also includes ordering the new boilers and all necessary materials, which may be staged or stored off-site if space is limited.

    Implementation:

    The process begins with safely isolating and removing the old equipment. Once the area is prepped, we install the new boiler, connect it to the existing system, and install the flue, possibly requiring scaffolding. Electrical connections and control system integrations follow.

    Finishing Touches:

    The project concludes with insulation of pipework, plant room painting, and sealing any new openings. The boiler is then commissioned, including flue gas analysis and adjustments to meet safety standards.

    Documentation:

    The final step involves completing all necessary paperwork for the gas safety certification and warranty registration, ensuring your new boiler system is fully operational and compliant.

    This comprehensive approach ensures a seamless transition to your new boiler system, designed for efficiency, compliance, and long-term reliability.

    We offer commercial plant room and boiler repairs, servicing, and maintenance. Keeping your business running smoothly, we provide prompt solutions to address any issues with your commercial heating systems.

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Speak to our experts

Let our team handle the details, so you can focus on what matters most—your business. Whatever your commercial boiler needs, we’re here to help.







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