Here you can explore our articles about some of the key topics in commercial heating, hot water, legislation and energy efficiency.

 

You can use the filter below to find out more about a specific topic.

Cleaner Heat Cashback

The Government has introduced a commercial boiler scrappage scheme for London to cut carbon and NOx emissions in the capital to improve air quality and energy efficiency in non-domestic buildings. We take a look at the criteria for a replacement, how the application works and how you can become a Hamworthy-approved installer.

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Cast iron boilers

Cast iron condensing boilers

Cast iron is a material that has been used for a long time in commercial boilers. Learn how it has developed over time and why it is still a material of choice in the heat exchanger of our boilers.

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ErP-compliant boilers

The Energy-related Products Directive was one of the major legislations which has almost eradicated atmospheric boilers from the market. Learn more about the directive and its requirements here.

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ErP Directive for water heaters

ErP timeline for water heaters.

The ErP Directive does not only affect boilers but also water heaters. The requirements are not limited to energy efficiency and noise levels. Read our article to find out more.

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Energy legislation

Understand energy efficiency legislation.

Over the last few years, the government has introduced legislation to achieve carbon savings targets. Do you know which legislation exists? Have a look at this page to learn about it and what's behind the acronyms.

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Changing heating system design with wide temperature differentials

Wide differential temperatures in heat networks

Wider temperature differentials are increasingly used to design commercial heating systems. We investigate how this affects heating system performance and what you need to understand when designing these systems.

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What are district heating networks

What is a district heating network?

One of the Government's carbon-saving initiatives is the use of heat networks. What do they consist of and what benefits do they have?

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Commissioning commercial boilers

Commissioning is an essential procedure to ensure your commercial boilers and/or water heaters have been correctly installed and setup. What does it involve and what other benefits does it offer?

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Energy Technology List

Energy Technology List logo.

You can benefit from tax deductions if you decide to invest in energy saving heating equipment. The Energy Technology List tells you which products are eligible. Learn more about it and which products are eligible for Enhanced Capital Allowances.

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Modular boilers for heat networks

Modular boilers in district heating networks

Modular boilers are a compact and flexible solution. In heat networks, they can provide an excellent back up and top up solution to support other equipment such as CHP. Learn more about why modular boilers are being used in district heating schemes.

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Lifecycle costs of a heating system

Lifecycle costs of commercial heating systems

When purchasing new equipment, there is always the question concerning upfront costs and running costs. In this article, we compare both of them and explain the advantages of looking at the long-term costs of heating equipment.

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Open vented heating systems compared with sealed systems

Sealed heating system

Open vented boiler systems have been traditionally used. In modern times, sealed heating systems are the favourite choice. We look at differences between both and how to deal with them when refurbishing your heating system.

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Load matching in multiple boiler installations

Load matching in multiple boiler systems

The use of several small boilers compared to one big boiler can make your heating system a lot more efficient. How it works - learn more about the benefits of large turndown ratios and improved system efficiencies.

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Low loss headers explained

What is a Low loss header in commercial heating systems

Why should you use a low loss header in your heating system? We explain how it works and what benefits it can have for your heating system.

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Minimum Energy Efficiency Standards

Minimum Energy Efficiency Standards (MEES)

2018 saw the introduction of Minimum Energy Efficiency Standards to improve the energy performance of UK housing stock and put responsibility of energy efficiency on the landlord.. We have compiled the most important information for you.

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Energy efficiency incentives, improvements and legislation

Learn more about available energy efficiency incentives.

Are you looking into funding your energy efficient heating plant? There is not only legislation in place but also help available to assist you in achieving this. We take a look at legislation and available incentives.

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Condition Improvement Fund

Condition Improvement Fund for school boilers

Looking to fund your school boiler refurbishment? The Condition Improvement Fund could be right for you. Learn more about how it works, who is eligible and what projects can be funded.

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Changing boilers from atmospheric to condensing

Changing from atmospheric boilers to condensing boilers.

Refurbishing a commercial heating system can bring many challenges. In this article, we're looking at older heating systems and what needs to be considered when preparing them for a change from atmospheric boilers to condensing boilers.

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Sizing hot water systems for sports facilities

Sizing hot water systems

Sizing hot water systems is a science in itself. Getting it right means you have a sufficient hot water supply without the risk of paying more for hot water you don't need. Find out more in our article.

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What is a calorifier?

What is a calorifier?

Ever wondered what exactly a calorifier is? We explain how a calorifier works and what it's used for in heating and hot water systems.

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Minimising heating plant size

Reduce the size of your commercial heating equipment

Plant room space in the city is limited and expensive. What if you could minimise the size of your heating plant? We look at how modular boilers can achieve this.

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ErP-compliant cast iron boiler

ErP copliant cast iron boiler

Think the Energy-related Products Directive saw the end of cast iron boilers? Our cast iron boilers changed this, they can not only condense but are also ErP compliant. Find out how we've achieved this.

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Modular boilers load matching in heat networks

District heating networks benefit from accurate load matching from modular boilers.

How do you design a heat network to efficiently match peak and low heat loads? Find out how to create a high boiler turndown ratio for your modular boiler system

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Commercial boiler flue systems

Room sealed boiler flue

How much do you know about different flue types? We have compiled this page for you to find out more about available flues and what they look like.

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ErP Energy Labelling

An ErP Energy Label.

Energy labels indicating energy efficiency were introduced in 2015 to be applied to consumer products. A part of our product range is also affected.

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