Reported broken boiler Wednesday morning 48hrs later no contact made at all not to mention having an engineer booked. So with no joy water since Tuesday and no light of having this fixed anytime. noon... Ver más
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Consulta las opiniones de los clientes
First time using this company to install a new boiler. Shopped around and did a lot of research with other companies. Absolutely great service, team were spot on, from the initial interest through... Ver más
La empresa ha respondido
Paid the amount we were quoted. The engineer was very nice and managed everything in a day. We were very impressed and incredibly grateful after a very cold start to moving into our forever home.
La empresa ha respondido
Absolutely fantastic company with amazing customer service , they could not help enough , seamless from start to finish , hassle free and had my home nice and warm again, Would never use anyone el... Ver más
La empresa ha respondido
Información sobre la empresa
- Proveedor de calderas
- Estación de carga de vehículos eléctricos
- Ingeniero de gas
- Servicio de instalación de gas
- Gasista
- Servicio técnico de calefacción y calderas
Acerca de WarmZilla
Escrito por la empresa
Click, pick, and we fit your perfect boiler!
Manufacturer's Guarantee
Get up to 10 years guarantee on your new boiler for added peace of mind.
Workmanship Guarantee
As well as getting a manufacturer's guarantee of up to 10 years, we also offer a 1-year workmanship guarantee on your installation.
Choice of Brands
We supply and fit models of Worcester Bosch, Ideal, Alpha, Viessmann and Vaillant boilers.
Do you need a new boiler? If yes, then please click the 'Get Boiler Quote' button above to get your quote within a couple of minutes.
We can supply and fit boilers, EV chargers and smart home products. We can also provide home covers for peace of mind.
The price we quote is FIXED and NOT an estimate which is not subject to change. No small print, no hidden extras - only great value for money.
Once you’ve chosen your product, you can then choose an installation date that suits you.
Buy your new home heating or smart home products easier and cheaper with WarmZilla. We are the UK's leading experts.
Best Price Guarantee
We won't be beaten on price
If you find a cheaper price on a like-for-like installation elsewhere, we guarantee to beat the price and take an extra £50 off your order.
Información de contacto
Capital Tower, Greyfriars Road, CF10 3AG, Cardiff, Reino Unido
- 02921 684 432
- ask@warmzilla.co.uk
- warmzilla.co.uk
4,5
Excelente
2 mil opiniones
Ha contestado el 86% de las opiniones negativas
Suele responder en menos de 1 semana
Así usa esta empresa Trustpilot
Descubre cómo se obtienen, puntúan y moderan sus opiniones y valoraciones.
The engineer cleaned out the grit from…
The engineer cleaned out the grit from the compress unit, something which had not been done before
He also explained the settings for manual as opposed to auto giving us better control of our heating.
Excellent . Thank you
3 de febrero de 2026
Respuesta de WarmZilla
Hi,
Thank you for your excellent feedback.
We’re really pleased to hear that the engineer was able to clean out the grit from the compressor unit and explain the manual versus auto settings clearly. It’s great to know this has given you better control over your heating. We’ll be sure to pass your kind words on to the engineer.
Thank you for taking the time to leave a review — it’s much appreciated.
Excellent Service
Excellent communication from WarmZilla throughout the process. First class installation by Warmserve. The two installation engineers were absolutely excellent. They were courteous, friendly and helpful. Problems were dealt with constructively and in a no-fuss manner. A professional installation. Recommended.
20 de enero de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you for taking the time to leave such a positive review.
We’re delighted to hear that you were happy with the communication from us and the installation. It’s especially great to know that our engineers made a strong impression with their professionalism, friendliness, and problem-solving approach.
Your recommendation means a lot to us, and we’ll be sure to pass your kind words on to the team. Thanks again for choosing us.
Excellent experience
A new boiler was installed in a rental flat yesterday. We had a problem in not being able to find the stockcock but the engineer managed to find a solution, which was excellent.
28 de enero de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi Max,
Thank you for your review.
We’re pleased to hear that, despite the initial difficulty locating the stopcock, our engineer was able to find an effective solution and complete the installation successfully. We always aim to overcome any challenges efficiently and with minimal disruption, so it’s great to know this was reflected in your experience.
Thank you for choosing us.
Insurance doesn't work.
I took out boiler cover in March 2025.
The annual inspection was carried out in the summer, but when I started using the central heating in October I noticed the pressure gauge was always in the red zone.
Despite an extensive email exchange more than 35 - well attended by Amy- the comapny was unable to arrange anyone to come and see what the problem was.
As a resuult I cancelled the cover.
7 de noviembre de 2025
Opinión espontánea
Respuesta de WarmZilla
Hi Rob,
Thank you for taking the time to share your experience.
We’re sorry to hear about the frustration you encountered after taking out boiler cover with us. While we’re pleased that the annual inspection was completed, we regret that we were unable to arrange a follow-up visit when you later identified an issue with the pressure gauge. We appreciate you highlighting the efforts Amy made to assist via email, but we understand that this did not resolve the problem. This is not the level of service we aim to provide, and we’re sorry that this led you to cancel your cover.
Your feedback has been noted and will be used to help us improve our processes going forward.
Was wary at first as only came across…
Was wary at first as only came across these guys online, but they and the installation team were excellent from start to finish. Knocked spots off their well-known competitor with a blue logo...
27 de enero de 2026
Respuesta de WarmZilla
Hi Mark,
Thank you for sharing your experience!
We’re thrilled to hear that we were able to exceed your expectations, especially after discovering us online. It’s fantastic that our team — both office and installation — delivered excellent service from start to finish.
We really appreciate you choosing Warmzilla.
Had my first Gas saftey check in the…
Had my first Gas saftey check in the weekend. Grace from Warmzikka came on time, and the checks went really well. In time, and no issues to report
25 de enero de 2026
Respuesta de WarmZilla
Hi Menon,
Thank you for your review.
We’re pleased to hear your first Gas Safety check went smoothly and that Grace arrived on time and carried out the checks efficiently. It’s great to know everything was completed without any issues.
Thank you for choosing WarmZilla.
First class service
First class service. Installation made on the date given by Warmzilla. Later on a check needed, and we received a quick help via Amy until it is fixed. I`m very happy with the service level after purchase.
23 de enero de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you for your kind review.
We’re delighted to hear you received first-class service and that your installation took place as scheduled. It’s also great to know that when a follow-up check was needed, Amy was able to assist quickly and get everything resolved.
We really appreciate your feedback and are very pleased you’re happy with the level of aftercare and support.
Respuesta de WarmZilla
Hi,
Thank you for your review.
We’re pleased to hear the work was done well and that you found it great value.
We really appreciate your feedback and your custom.
Communication has been spot on
Communication has been spot on, came in the same week, a couple of hours and job done, very helpful and excellent customer serv
23 de enero de 2026
Respuesta de WarmZilla
Hi Ethan,
Thank you for your review.
We’re really pleased to hear that communication was spot on and that we were able to get everything completed quickly and efficiently. It’s great to know you found the team helpful and the customer service excellent.
We really appreciate your feedback.
Very poor service
Took nearly 7 weeks before I could get my boiler serviced. I had to call the plumber twice before service was completed. Two days latter it developed a leak. Now it's taken 2 days to get someone the fix it. I am still waiting.
23 de enero de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you for taking the time to share your feedback.
We’re genuinely sorry to hear about the delays. Our customer care team has been in touch and is actively discussing this with you to resolve the matter.
Thank you for your patience.
Brilliant service from start to finish
Brilliant service from start to finish. Ordered the unit on Thursday and they arranged finance, and installed the unit the next day! The customer support agent, Amy, was super helpful. Definitely recommended!!
23 de enero de 2026
Respuesta de WarmZilla
Hi,
Thank you for your fantastic review!
We’re delighted to hear you received brilliant service from start to finish and that everything — from arranging finance to next-day installation — went smoothly.
We’ll be sure to pass on your kind words to Amy; she’ll be really pleased to hear how helpful she was.
Thank you for the recommendation and for choosing us— if you need anything in the future, we’re always happy to help.
Respuesta de WarmZilla
Hi,
We are aware of the points raised, and senior management is currently reviewing the matter.
Thank you
Conversion from to combi
Warmzilla installed a new combi boiler for me, replacing an old hot water tank system in a fairly complex setup. The work was carried out professionally and to a high standard. Throughout the process, the Warmzilla support team were proactive, polite, and clearly very knowledgeable. They took the time to understand my specific technical situation and communicated clearly at every step. Overall, a very professional experience and I would happily recommend them.
21 de enero de 2026
Respuesta de WarmZilla
Hi,
Thank you for your detailed and positive review.
We’re really pleased to hear that you were happy with the installation of your new combi boiler, especially given the complexity of replacing an older hot water tank system.
It’s great to know that both the installation work and the support from our team met a high standard, and that our communication and technical understanding helped make the process clear and smooth for you.
Your recommendation means a lot to us, and we truly appreciate you choosing Warmzilla.
Nice job carried out by Warmzilla and team
Customer rep that i chatted with was helpful in getting a competitive price and arranging a lot quick. any changes, i was informed on time and in one occasion, i was compensated for the delay. All through the team was helpful and the installer tried his best to get the boiler working. The only sad part was that the installer used my cleaning products and equipment without my knowledge and this is absolutely wrong.
20 de enero de 2026
Respuesta de WarmZilla
Hi,
Thank you for taking the time to share your feedback.
We’re pleased to hear that our customer service team were helpful in securing a competitive price, arranging everything quickly, and keeping you informed of any changes.
We’re also glad to know the installer worked hard to get your boiler up and running. That said, we’re very sorry to hear about your concern regarding the use of your cleaning products and equipment without your knowledge. That’s not the standard we expect, and we appreciate you bringing it to our attention. Your feedback will be shared with the team to ensure this is addressed and avoided in future.
Thanks again for choosing us, and please don’t hesitate to get in touch if we can help in the future.
Great service and all the staff I’ve…
Great service and all the staff I’ve been in contact with are legends. They made it happen went it was difficult. Thank you
20 de enero de 2026
Respuesta de WarmZilla
Hi Belinda,
Thank you for such a brilliant review!
We’re really pleased to hear that our team were able to make it happen, even when things were difficult.
Thanks again for choosing us, and please don’t hesitate to get in touch if we can help in the future.
Fantastic, reliable service, good selection at great prices
My old boiler stopped working on New Year’s Eve. I went to several suppliers initially to look for a replacement installation. Warmzilla were superb and provided the installation of a new boiler in an easy to organise and trouble free way. The engineer they sent was superb. He was hard working and fast. He did a great job and tidied up when he had finished. He also carefully explained the new system and showed me the controls. In just a day he left me with a fully operational system and a warm house. Warmzilla offered very competitive prices and a good range of boilers. Their communication throughout was excellent. I am a very happy customer.
19 de enero de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi Robert,
Thank you very much for your detailed and positive review. We’re really pleased we could help get everything sorted quickly after your boiler failed on New Year’s Eve — we know how disruptive that can be.
It’s great to hear that the installation was easy to organise, trouble-free, and that our engineer made such a positive impression with his hard work, efficiency, and clear explanation of the new system. We’re also glad you found our pricing competitive and our communication strong throughout the process.
Thank you for choosing us. If you need anything in the future, please do get in touch.
Appointment made quickly for a boiler…
Appointment made quickly for a boiler service
19 de enero de 2026
Respuesta de WarmZilla
Hi Nina,
Thank you for your review.
We’re glad to hear your boiler service appointment was arranged quickly.
If there’s anything else we can help with, please don’t hesitate to get in touch.
Good service and quick
Good service and quick. Our engineer was really good. Had to come back as system was not working for DHW, but he did and all was fixed.
11 de enero de 2026
Respuesta de WarmZilla
Hi,
Thank you for your feedback and for taking the time to leave a review.
We’re pleased to hear you found our service quick and that your engineer did a great job. While we’re sorry the system needed a return visit, we’re glad it was resolved promptly and everything is now working as it should.
If you need anything further, please don’t hesitate to get in touch.
Outstanding customer service, quality and value for money
I’m not normally a person that leaves reviews, but when you can score a service and product 10/10 for everything I wanted to create a review.
So it’s the 20th December and our boiler has had enough. We contacted Warmzilla and got great advice on a replacement. The quote was around 30% less than a major company. The team ordered the product and an installer for the 23rd December, which was amazing, communication from initial query to delivery was perfect including Warmzilla web portal.
On Installation day the engineer arrived at the same time as the boiler. The installer was amazing, he worked from morning to evening to replace the boiler, gas pipe and all parts including the flue. He was so polite and at the end of the installation checked everything and cleaned up as though he had never been there.
The experience from start to finish was 10/10 and I would recommend Warmzilla to everyone. I cannot find one negative comment.
I’m now taking our a service contract with Warmzilla instead on the big companies as I have so much more faith in the Warmzilla team.
23 de diciembre de 2025
Respuesta de WarmZilla
Hi Jonathon,
Thank you so much for taking the time to leave such an incredible and detailed review — especially knowing you don’t normally write them. It really means a great deal to us.
We’re so pleased we could help at such a stressful time, especially so close to Christmas, and get everything sorted quickly and smoothly for you. It’s fantastic to hear that the advice, pricing, communication and installation all met your expectations. We’ll be sure to pass on your kind words to the installer.
A 10/10 experience and a recommendation to others is the highest compliment we could receive.
Thank you also for choosing us for your service contract — we truly appreciate your trust and look forward to looking after your boiler for years to come.
Respuesta de WarmZilla
Hi Ivera,
Thank you!
We’re delighted to hear you thought it was brilliant.
We really appreciate you choosing us and taking the time to leave a review.
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