Guarantee & Support

DHF Member Quality Assurance and Guarantee

All DHF members are bound by a Code of Conduct that guarantees the business integrity of its members, product quality and standards of workmanship. If there is a dispute between a customer and a DHF supplier that cannot be resolved to the customer’s satisfaction, the DHF will try to facilitate the resolution of contentious issues.

All DHF member companies, as a condition of DHF membership, agree to co-operate in this dispute resolution process by providing any information in its possession which may reasonably be requested by DHF. In certain cases a site visit by a DHF technical officer can be carried out to try and bring resolution to a customer problem, but please note a charge for this may be made.

DHF Homeowner Support

If you need technical advice about any product supplied by a DHF member - for example:

  • If the product is not working to your satisfaction, or
  • You have worries about safety of operation, or
  • You need help on the correct choice of product

Call the DHF on: 01827 52337.



DHF has a wide range of publications available to download or view online. These include best practice guides and technical documents for products.

Why Use a DHF Member?

Specifying from a DHF member gives you peace of mind when searching for a product or service to meet your needs.

Supplier Search

Find a DHF member with our easy to use search tool. Search by name, product/service specialism or location.