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Our Accreditations

Our accreditation’s and safety certificates demonstrate our commitment to being a nationwide energy savings specialist

Gas Safe Register

Gas Safe Register: Heating Improvements takes gas safety seriously. All of our engineers are on the Gas Safe Register and will have their official identity card when you ask to see it.Gas Safe Register is the official gas safety organization in Great Britain. It replaced CORGI on 1st April 2009. Gas Safe Register is responsible for the registration and regulation of gas engineers. Membership is mandatory for any company or engineer working with gas appliances. If you would like to find out more about Gas Safe Register you can call 0800 408 5500 or visit the Gas Safe Register website.

Energy Saving Trust

The Energy Saving Trust was setup by Government as a non-profit company to deliver the substantial government-funded programmes. They are independent and continue to provide communities and households with impartial advice. For more details please visit the Energy Saving Trust website.

Worcester Accredited Installers (WAIs)

Worcester Accredited Installers (WAIs) are accredited to install Worcester boiler ensuring a service that meets the highest standards. Whilst we are not directly employed by Worcester Bosch, they do promote us as an accreddited installer.The goal of this accreditation scheme being to help reassure customers that they will receive a good quality service, from a trusted installer.
As an accredited installer, Worcester Bosch make sure that we have the relevant Gas Safe, OFTEC and/or MCS approval. We are also required to attend training course that give us specialist knowledge about the Worccester Bosh boilers we install.

For more information visit the Worcester Bosch Group site

Viessmann Trained Installer

As a certified Viessmann trained installer, we bring unparalleled expertise and precision to your doorstep. Our team has undergone extensive training with Viessmann, a leader in the heating systems industry, ensuring that we are equipped with the latest knowledge and techniques in the field. This means when you choose us, you’re not just getting a service provider – you’re getting a partner who is committed to delivering the highest quality of installation, maintenance, and repair for your Viessmann products. Our dedication to excellence, combined with Viessmann’s cutting-edge technology, guarantees that your heating and cooling systems will be efficient, sustainable, and perfectly tailored to meet your specific needs. We to provide you with a service that stands apart in quality and reliability.


An Platinum 5 Installer is an installer that has undergone additional training in Intergas products at one of our nationwide training centres and fulfills other special conditions and highest competency testing relating to gas and public safety. Upon completion of training and approved application, each installer receives an additional 2 years warranty for HRE boilers.

Vaillant Advance Installer

We are proud to be recognized as a Vaillant Advance Installer, a testament to our unwavering commitment to excellence in the industry. As certified experts, we have undergone rigorous training and gained specialized knowledge directly from Vaillant, a renowned name in heating technology. When you choose us, you’re choosing a team that is at the forefront of innovation, delivering top-tier installation, maintenance, and repair services for Vaillant products. Our dedication to quality ensures that your heating and cooling systems are not just efficient but also environmentally friendly, meeting the highest standards of sustainability. Trust Us to provide you with cutting-edge solutions tailored to your unique requirements, backed by our Vaillant Advance Installer accreditation.