Boiler Replacement and Installation in Edinburgh

Upgrade your boiler in Edinburgh with a team you can trust. We specialise in fast, efficient boiler replacements across Edinburgh and the Lothians, helping you stay warm and reduce your energy bills.

Get a FREE tado° Smart Thermostat with code FREETADOSMART with your new boiler.

  • New boiler in 2 days!
  • 10-year finance or 0% finance
  • Finance from £9 per week
  • Up to a 12-year guarantee
  • Edinburgh and Lothians Coverage

Get Your Free Quote Now

"*" indicates required fields

Thermatek Heating

Professional and Reliable Gas Boiler Installers

Looking for a reliable new boiler without the stress? You deserve a service that puts your home, your comfort and your budget first.

Whether your boiler has broken down or you are planning an upgrade, you can get a fast, straightforward installation across Edinburgh and the Lothians, often within just 2 days of getting in touch: no long waits, no unnecessary delays, just a clear and efficient process from start to finish.

You will get honest advice, competitive pricing and flexible finance options. Including up to 10-year finance or 0% finance options, subject to eligibility, so you can spread the cost in a way that works for you.

From your first enquiry to installation day, everything is focused on making things easy, keeping you informed and getting your heating and hot water back up and running as quickly as possible.

Get your free boiler quote

Boiler Installation - Our 3 step process

Free Home Survey

Contact our office, and a member of staff will be on hand to arrange an appointment for one of our highly experienced heating experts to complete a site survey.

One of our engineers will assess your current heating system, discuss your needs, and recommend the best boiler type and size. We can also offer a variety of finance options.

Transparent Quotation

You’ll receive a clear, no-obligation quote with all costs explained - no hidden extras.

If you have any questions or would like to change something in the quote, a member of the team will be happy to discuss it in more detail.

Otherwise we can book you in for an agreed date!

Hassle free Booking and Professional installation

If you're happy with the quote, we will arrange a day and time to start the work and explain what will happen and how long it’s likely to take from start to finish.

One of our friendly, Gas Safe engineers will install your new boiler to the highest standard, test it thoroughly, and show you how to use it. Easy!

Up to 12 Year Boiler Guarantee

All qualifying replacement gas boilers installed by Thermatek Heating benefit from a Worcester Bosch product guarantee. We register your new boiler on installation so that your new boiler is fully covered against faults or failures for up to 12 years on the 8000 model*. In the unlikely event of you having an issue, then simply contact Worcester-Bosch directly, and they’ll send one of their engineers to fix it, providing absolute peace of mind for up to 12 years from the date of registration.

*Provided it is serviced annually and according to the manufacturers’ guidelines.

Frequently Asked Questions

We can be in and out for most boiler replacements within 2 days. However, if you have a simple boiler swap, it may only take 1 day.

If you are having additional work carried out by us then this will require more time at your property.

We will provide an overview of timelines and how long we expect to be with you during the quote.

If the job lasts more than a day, the engineers will clean and tidy the area before leaving at the end of the day and aim to leave you with minimal disruption to water supplies and gas while the work is taking place. At the end of the job, the lead engineer will walk you through everything you need to know and see everything with you, including apps and schedules if required, so when we leave, you have a fully functional and easy-to-use heating system.

Yes – we can offer a variety of flexible payment options to spread the cost of your new boiler. You can include any other upgrades too as long as you include a qualifying Worcester Bosch product.

We serve Edinburgh, Midlothian, East Lothian and West Lothian.

Our Accreditations

Worcester Bosch Accredited Installer
Gas Safe® Register Reg. Number: 949536
BAXI Approved Installer
tado Professional

Privacy Preference Center