Resources
Explore our resources designed to help you make the most of your renewable system.
Welcome to the Menai Resource Hub
Find quick links to user manuals, guides, and helpful documents for the systems we install — including heat pumps, heating controls, solar PV, battery storage, and smart heating accessories.
These resources, curated by Menai Heating and sourced directly from manufacturers, are designed to help you get the best performance from your system.
Our YouTube Channel
Watch our step-by-step videos showing how to get the most out of your heating and renewable systems. From setting heating schedules to topping up the pressure in your heat pump — our short guides make it simple.
Manufacturer Resources
Explore manuals, support links, and tutorial videos directly from the manufacturers of the systems we install.
Rheolyddion Gwresogi
If you’ve had an air source heat pump installed by Menai Heating, the heating control system fitted in your home will depend on the manufacturer and when your installation took place.
For our earlier Riello and Midea heat pump installations, we typically fitted either an EPH or Homely heating control system, rather than the manufacturer’s own controller. These were selected for their ease of use and ability to help homeowners manage their heating efficiently while maintaining a comfortable home.
For our more recent Vaillant and Stiebel Eltron installations, your heat pump will be operated using the manufacturer’s own heating control system, designed to work directly with your heat pump.
To help you get the most out of your system, we’ve included user guides for each of these heating controls below. Simply select the controller installed in your home to find guidance on operating your heating, adjusting settings and maintaining comfort while maximising energy efficiency.
Understanding Your Stiebel Heating Controls
Your Stiebel heat pump has been configured by our engineers to suit your home’s heating requirements, so you shouldn’t need to make regular adjustments to the main system settings.
Your system includes three controls, each with a different purpose:
- WPM (Heat Pump Manager): The main controller that manages your heat pump’s operation. This is configured by our engineers and shouldn’t normally need adjusting.
- FET (Room Controller): Your everyday heating control, allowing you to easily view and adjust your desired room temperature.
- ISG Connect: An online portal that allows you to access your heating system remotely and view its performance. It offers more advanced functionality and can be a little more complex to navigate.
For everyday use, you should only need your FET controller. Your WPM will manage the rest in the background, helping your heat pump operate efficiently without the need for regular adjustments.
Heat Pumps Systems
Learn how to operate and maintain your heat pump system.
Solar & Battery Storage
Learn how to operate and maintain your solar and battery storage system.
Sigenergy
GivEnergy Notice
GivEnergy has entered administration, which has resulted in changes to the availability of its services and customer support.
If you have a GivEnergy inverter or battery system installed by Menai Heating, please be aware that certain services, including access to monitoring platforms and technical support, may now be subject to additional charges or subscription fees.
These changes are outside of Menai Heating’s control and may affect the availability of manufacturer support and warranty services.
We recommend that customers with GivEnergy systems familiarise themselves with the latest support arrangements and any associated costs.
Smart Radiator & Timer Controls
Air Conditioning
Aircon
Learn how to operate and maintain your air conditioning system.
Haier
Frequently Asked Questions
Here you’ll find answers and extra guidance to the questions we hear most from our customers.
How do I reconnect my heating system after I have changed Wi-Fi providers?

Homely Heating Controls

EPH Heating Controls (Ember)
How do I reconnect my solar/ battery system after I have changed Wi-Fi providers?

GivEnergy
please refer to customer support for any issues relating to GivEnergy

SolaXCloud

FoxCloud
Are there currently any grants available?
Yes! We currently offer the Boiler Upgrade Scheme (BUS), providing eligible homeowners with funding towards the cost of a heat pump installation. See below for full details. Unfortunately there are no fully funded grant schemes available at present.