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
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I wouldn’t even give this company one…
I wouldn’t even give this company one star, reported a fault with my boiler over 6 weeks ago it still hasn’t been fixed, sat in 3 different days as was told an engineer would turn up, 3 times they did not, said they ordered a part for it and asked me to pick up the part as the engineer would not have time, this company is nothing short of disgraceful, asked them to send me a complaint form and I am still waiting on that as well, please do not use this company
24 de abril de 2026
Opinión espontánea
The Engineer was professional
The Engineer was professional, knowledgeable and forthcoming in answering technical questions.
21 de abril de 2026
Reported broken boiler Wednesday…
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. noone answers the phone number, contacted online and via chat. No information whatsoever. Do not recommend!
22 de abril de 2026
Opinión espontánea
Very positive experience
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.
8 de abril de 2026
Respuesta de WarmZilla
Hi Emily,
Thank you so much for your kind review!
We’re really pleased to hear that everything went smoothly and that our engineer was able to get everything sorted for you in a single day. Moving into a new home can be stressful, so we’re glad we could help make your start a warm and comfortable one.
Wishing you many happy years in your forever home, and thank you again for choosing us!
Let down by British Gas, but Warmzilla didn't disappoint!
British Gas had let me down when it came to providing a quote so I thought I'd go directly to the manufacturer for a price.
Warmzilla are the national installation partners for Worcester Bosch and their pricing was very competitive and the agent I dealt with (Kian) for the quote and survey (via a WhatsApp video call) was helpful, efficient and in no way overbearing or pushy for me to go ahead with the quote.
On the day of installation, everything went smoothly and the engineer that fitted the boiler was very tidy, friendly and professional, making sure that everything was left working as it should and made sure to answer any questions I had.
All in all, this was a first rate service and I would recommend them to friends and family and also use them again if the need arose.
22 de abril de 2026
Respuesta de WarmZilla
Hi Kate,
Thank you for taking the time to leave such a detailed review, we really appreciate it.
We’re glad we could step in after your initial experience and provide a competitive quote and a smoother process. It’s great to hear that Kian made the survey straightforward and pressure-free, and that your installation day went smoothly with a tidy and professional finish from the engineer.
Your recommendation to friends and family means a lot to us, and we’re delighted that you were happy with the service from start to finish.
Thank you again for choosing Warmzilla—we’re always here if you need us in the future.
great service
21 de abril de 2026
Respuesta de WarmZilla
Hi,
Thank you for your kind feedback!
We're really pleased to hear you were happy with the service.
If you ever need us again in the future, we’ll be more than happy to help.
boiler service
very freindly kept me updated regularly service complete til next april
20 de abril de 2026
Respuesta de WarmZilla
Hi David,
Thank you for your lovely feedback!
We're really pleased to hear that you found our team friendly and that the regular updates kept you well informed throughout.
We appreciate you choosing us and look forward to helping you again when the time comes.
The only problem I have is that I have…
The only problem I have is that I have to contact you every year to get my boiler serviced
17 de abril de 2026
Respuesta de WarmZilla
Hi,
Thank you for your feedback—we really appreciate you taking the time to share it.
We understand that remembering to contact us each year for your boiler service can be a bit inconvenient. We’re always looking at ways to make this process easier for our customers, and your feedback is very helpful in highlighting this.
Thank you again for choosing us.
It would have been 5 stars but the…
It would have been 5 stars but the first time the engineer was supposed to be here to service our bolier they did not turn up so I had to get back to warmzilla and report it then they made another appointment and they turned up and the engineer was very professional
7 de abril de 2026
Respuesta de WarmZilla
Hi Mark,
Thank you for your feedback.
We’re really sorry about the missed initial appointment and the inconvenience it caused.
We’re glad to hear that the follow-up visit went smoothly and that our engineer provided a professional service.
If there’s anything else we can help with, please don’t hesitate to get in touch.
I recently had an EV charger installed…
I recently had an EV charger installed by Warmzilla, and the entire experience from start to finish was exceptional. Communication was top tier throughout the process—I’ve honestly never experienced such high-quality customer service and aftercare.
From the initial contact, to arranging the appointment, and through to the installation itself, everything was handled in a professional and efficient manner. The installation was first class, and the team made the whole process smooth and stress-free.
Warmzilla truly sets the standard for how this type of service should be delivered. I wouldn’t hesitate to recommend them.
13 de abril de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you so much for your fantastic review!
We're absolutely delighted to hear that you had such a positive experience with your EV charger installation. Providing clear communication and first-class customer care is something we take great pride in, so it's wonderful to know this stood out to you.
We'll be sure to share your kind words with the whole team—they'll really appreciate knowing their professionalism and effort made the process smooth and stress-free for you.
Thank you again for choosing us and for recommending us. If you ever need any support in the future, we're always here to help.
Extremely Disappointed
Extremely Disappointed – Avoid if You Value Reliability and Safety
The ordering process was quick and easy, but everything after that was a nightmare. The installation was delayed by six weeks, with the engineer failing to turn up on four separate occasions. Each time I was promised a call back from customer service, but none ever came.
When the boiler was finally installed, the work was sloppy and unsafe — the chimney wasn’t fitted correctly, and the electrics were poorly done. Because of the chimney issue, smoke entered my home and made my family ill. It was terrifying and completely unacceptable.
After waiting again for corrections, I noticed a strong smell of oil that has only worsened. Three weeks later, my oil levels have dropped, suggesting a leak in the pipework, and the boiler is losing pressure too.
What should have been a straightforward job turned into weeks of stress, health risks, and constant chasing. I would strongly advise anyone considering this company to look elsewhere until they improve their reliability, communication, and workmanship.
27 de enero de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you for your feedback.
This is currently with our senior management team for who will be in touch.
We appreciate your patience while this is being investigated.
Outstanding customer care
Outstanding customer care. The engineers were very informative, professional and tidied up after they'd completed the installation. I would highly recommend. Thank you.
9 de abril de 2026
Respuesta de WarmZilla
Hi Kate,
Thank you so much for your kind words and recommendation.
We're delighted to hear that you were pleased with the service provided by our engineers and that their professionalism and attention to tidiness made a positive impression.
Your feedback means a lot to us, and we truly appreciate you taking the time to share your experience. If you ever need any assistance in the future, we’ll be more than happy to help.
Thank you again for choosing us.
Great responsive service!
9 de abril de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi Rebecca,
Thank you for your great feedback!
We're pleased to hear that you found our service responsive.
We really appreciate you taking the time to share your experience and look forward to helping you again in the future.
Highly recommend warmzilla
Highly recommend warmzilla
Very reliable company with great communication.
3 de abril de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you for your review!
We’re thrilled to hear you found us reliable and appreciated our communication.
Your recommendation means a lot to us, thank you for your support!
Fantastic
Fantastic, efficient service from start to finish, all work was completed to a high standard and all completed on time, boiler now working great again, would highly recommend
31 de marzo de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you for your wonderful review!
We’re delighted to hear that the service was fantastic and efficient from start to finish, and that the work was completed to a high standard and on time.
It’s great to know your boiler is now working perfectly, and we really appreciate your recommendation.
Thank you for choosing us!
Superb Efficient Service
Efficient, professional service, arrived when expected, good communication throughout. Highly recommended
24 de marzo de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi Marc,
Thank you for your fantastic review!
We’re pleased to hear that our service was efficient and professional, that our team arrived on time, and that communication was clear throughout.
Your recommendation means a lot to us. Thank you for choosing Warmzilla!
Highly recommend
Top notch service. Highly Recommend. Thanks WarmZilla.
5 de marzo de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you for your review!
We’re thrilled to hear you received top-notch service and really appreciate your recommendation.
Thanks for choosing Warmzilla!
First time using this company to…
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 emails, all the way from install to completion.
Family and friends are now in the process of having work done and annual servicing.
23 de marzo de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi,
Thank you for your wonderful review!
We’re delighted to hear that your first experience with Warmzilla was so positive, from initial contact all the way through to installation completion.
It’s fantastic to know the team provided great service and kept everything running smoothly, and we’re thrilled your family and friends are now choosing us for their own boiler installations and annual servicing.
Your support and recommendation mean a lot to the whole team, thank you!
Couldn’t recommend warmzilla enough
Couldn’t recommend warmzilla enough, their staff are kind, polite and very helpful.
Tried 3 other companies before this. Had no joy.
Warmzilla saved the day!
Thank you!
5 Stars*
3 de marzo de 2026
Opinión espontánea
Respuesta de WarmZilla
Hi Kyle,
Thank you so much for your fantastic review!
We’re thrilled to hear that our team could step in and get things sorted after your experiences with other companies.
It’s great to know you found our staff kind, polite, and helpful — that’s exactly the service we aim to provide. Your 5⭐ rating and recommendation mean a lot to us.
Thank you for trusting Warmzilla!
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