Extensive Range of Services

We can offer a vast range of services, from design to installation, to diagnoses and repairing. We can offer it all. Boiler repairs, servicing and unvented hot water systems are our speciality! This is what we do and we are very good at it!

We care

We understand that heating and hot water is a major part of day to day life, and when one of them goes wrong its a major problem! We aim to be with our customers on the same day as the call for our repairs. We also try to make any installation as easy for our customers as possible. We will treat your home the same as we would treat our own!

Competitive Prices

All of our services are carried out by experts, specialists in our chosen field! It is one of the reasons our clients use us time and time again, and always come back to us! Our fixed prices make it clear for the customer to see!


Essex Boiler Installations

Welcome to Calgas, home to some of the very best and most competitively priced boiler repairs and services in Essex, North and East London.

As professional gas engineers with years of experience in carrying out boiler repairs and heating system services, you can be confident that you will receive a fantastic customer experience at an ever better rate.

Here at Calgas, our team of professionals not only carry out boiler repairs, servicing and installation, but also provide a variety of different services ranging from landlord certification to water softener installation. We also carry out repairs and servicing on most models of Vaillant boilers, including Turbomax, EcoMax and the new Ecotec models.

For a reliable, honest and professional service you can trust, please don’t hesitate to call our friendly team on 07585 660494. We can provide you with an over the phone quotation or a free home visit and quotation at a time convenient for you.

Why Choose Us

  • We can help with any emergency

  • We take pride in every installation and repair
  • Our service is great value-for-money


You will be happy you chose Calgas!

As you can see Calgas comes highly recommended, we look forward to working for you.

Get In Touch