Getting a quote for installation of a Dualstream or Coldstream system is easy - just choose the route that’s right for you.

You have a preferred heating installer

Start by downloading our brochure so that you and discuss the options with your installer. For technical guidance and support, or if you’d like help choosing the right model for your needs, please ring head office on 01394 421160.

GAH systems are available through most national and independent plumbing and heating merchants. Please check our UK stockists to find the outlet nearest to you, or contact us if you can’t find a convenient a local stockist.

You’d like us to recommend an installer

We have established relationships with fully trained heating engineers across the UK, each of whom has been selected for their quality of work, reliability, and knowledge of GAH systems.

Our agents are happy to offer free quotations and to carry out the necessary pressure and flow tests to confirm the suitability of your main supply. They’ll also be happy to discuss other necessary services such as boiler replacement, central heating, solar heating, bathroom installations and so on.

To arrange a site visit and request a no-obligation quotation, please complete our enquiry form.

Heating professionals and architects

To discuss the suitability of our systems for your project, please give us a call. We’re happy to help with system design.

If you would like to know more about becoming a GAH system agent, please get in touch.