Select your town (change)We have set your location here.
You can change it at any time by clicking on the link above.

Connect to firmus

Enjoy constant hot water all summer without having to heat the house.

Enjoy all the benefits of natural gas this summer

  • Icon

    Constant Hot Water

    With natural gas, you get all the hot water you want whenever you need it, and you don’t have to turn on your heating during the summer months! Requires a combination boiler.

  • Icon

    Instant Heat

    “When I need it my house heats up so quickly since I have upgraded to natural gas”
    Anne Crawford, Ballyclare

  • Icon

    No More Oil Tank

    Take back your garden with natural gas. There’s no need for an oil tank or a hot water cylinder in your hot press, so you can save space inside and out!

  • Icon

    Natural Gas BBQ’s

    Take advantage of the weather and cook up a storm with a natural gas barbecue - the latest in modern cooking convenience connected to your natural gas supply.

  • Icon

    Quick Installation

    Most firmus energy Gas Safe Registered Installers can carry out a conversion from oil to natural gas within 1 - 2 days. Sometimes they can even finish the job on the same day!

  • Icon

    Free Meter Connection

    firmus energy is offering a Free Meter Connection to all new customers this summer! Subject to firmus energy connection policy.

Find out if you can connect

Register your interest now and we will contact you as soon as possible or alternatively call our Customer Enquiry Line on 0800 032 4567

What kind of business are you?

or
Why am I having to do this?

To give you the most accurate information for your town and county, please enter your postcode below.

How do you pay for your natural gas?

By Credit

Do you receive a monthly bill for your energy usage?

Yes
or

With a Pay as You Go card

Do you purchase a top-up card for your energy?

Yes

What kind of business are you?

Small or Medium Business

Small businesses spend about £2,600 or less per bill. Medium businesses spend about £35,000 or less per bill.

or

Large Business


Large businesses spend about £250,000 or less per bill

Make sure you have your bank details and SMP number ready

Bank details

All we need is your account number and sort code *

&

SMP Number

This is the number usually at the top right of your bill

Okay, I have them

If your account requires 2 signatures, or you are not the bank account holder, please call us first on 0800 032 4567
If you don’t have this number, call our switch team on 0800 032 4567