Boiler installation carried out. Kyle the engineer called ahead of time to inform me the time he was arriving. Him and the other engineer were very friendly and efficient. Few hours and the house was... Toon meer
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Lees wat reviewers zeggen
Fast and efficient Amy is wonderful and very quick to reply . This is my second time using them and was taken care of properly. Website easy to navigate and staff very friendly. Shout out to Mason... Toon meer
Shocking service, took months to book in my boiler getting serviced even though I pay a monthly sub subscript. The person came round, did it within five minutes then came back because they forg... Toon meer
Really happy with our new boiler installation ! 😊 Both engineers were friendly and professional. Everything went smoothly and we’re very pleased with the service. Thank you!
Bedrijfsgegevens
- Boiler leverancier
- Laadstation voor elektrische voertuigen
- Gasingenieur
- Gasinstallatieservice
- Gasfitter
- Ketel- en verwarmingsdienst
Over WarmZilla
Geschreven door het bedrijf
Making Home Services Easy
WarmZilla helps homeowners across the UK with boilers, air conditioning, home cover and EV charging, making it easier to keep your home comfortable all year round.
We believe arranging home services shouldn’t feel stressful. That’s why we’ve built a simple, transparent process with fixed online prices, trusted engineers, flexible finance options and friendly support from real people whenever you need us.
Whether you’re replacing an old boiler, installing air conditioning before the next heatwave, or looking for ongoing protection with home cover, our aim is always the same: to make the whole experience straightforward from start to finish.
Thousands of homeowners have already trusted WarmZilla with their homes, and we’re proud to continue helping more people across the UK every day.
Explore WarmZilla's Services
Thank you for taking the time to read our reviews. If you’ve recently used WarmZilla, we’d love to hear about your experience too. Your feedback helps us improve and helps other homeowners choose a company they can trust.
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.
Contactgegevens
Capital Tower, Greyfriars Road, CF10 3AG, Cardiff, Verenigd Koninkrijk
- 02921 684 432
- ask@warmzilla.co.uk
- warmzilla.co.uk
4,4
Uitstekend
2K reviews
Vraagt klanten om een review
Dit bedrijf nodigt klanten uit om een review achter te laten. Deze mag zowel positief als negatief zijn.
Heeft 86% van zijn negatieve reviews beantwoord
Reageert doorgaans binnen 2 weken
Zo gebruikt dit bedrijf Trustpilot
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I am absolutely delighted with my new…
I am absolutely delighted with my new boiler .
The two boys that came to do the installation were pleasant and helpful and explained everything to me .
They are a credit to their company .
28 mei 2026
Antwoord van WarmZilla
Hi Alexis,
Thank you for your wonderful review. We're absolutely delighted to hear that you're so pleased with your new boiler.
It's great to know that our installation team provided a positive experience and took the time to explain everything clearly. We take great pride in our engineers, and we're sure they'll be delighted to hear your kind words.
Thank you for choosing WarmZilla. We hope you enjoy many years of reliable heating from your new boiler.
Antwoord van WarmZilla
Thank you for your great feedback on WarmZilla. We’re really pleased to hear you were happy with the prompt installation and professional service provided.
We truly appreciate your support and thank you for choosing WarmZilla.
Great price, good communication
Great price, great customer service, thorough and friendly installer. Exactly how it should be
26 mei 2026
Antwoord van WarmZilla
Thank you for the fantastic review! We’re delighted to hear you were happy with the price, communication, and customer service from WarmZilla.
It’s great to know the installer was thorough and friendly too — exactly the experience we aim to deliver for every customer. Thanks again for choosing WarmZilla and for taking the time to share your feedback.
After months of stress and repeated…
After months of stress and repeated chasing, WarmZilla have finally rectified the flue installation issue with my boiler after concerns were raised about whether it had originally been installed correctly.
While I appreciate that the issue has now been resolved, the overall experience has been extremely frustrating and time consuming.
Communication throughout the process was poor, and I had to repeatedly follow things up myself.
I also paid an additional £150 on the day of installation for electrical work relating to a fused spur, yet I still have not received the Minor Electrical Installation Works Certificate despite requesting it multiple times.
The installation issues, delays and lack of documentation caused unnecessary worry and inconvenience. Credit where it’s due that the flue issue has now been corrected, but the aftercare and handling of the complaint have fallen well below what I expected.
26 mei 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Thank you for taking the time to leave your feedback. Whilst we disagree with some parts of the review as we do not believe all aspects are fully accurate, we do accept that there were issues during the process that could have been handled better.
We appreciate you acknowledging that the flue issue has now been resolved, and we’re sorry the experience caused frustration along the way. Feedback, both positive and negative, is important to us as we continue improving our service at WarmZilla.
Take care, and please remember we’re always here to support you if you need us in the future.
Filled form, chat with Agent - No Quote Time Wasted
Filled form no results and then also discussed with chat REPRESENTATIVE but they unable to send a quote...simply wastage of time... customer need delivery....
25 mei 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Thank you for your feedback. We’re really sorry to hear that your experience didn’t meet expectations, especially after taking the time to complete the form and speak with our team.
Unfortunately, in some cases we’re unable to provide an instant quote if the information provided doesn’t meet the criteria required for an accurate or safe estimate. That said, we completely understand your frustration and appreciate that your time is valuable.
At WarmZilla we’re constantly working to improve both our systems and communication to make the process smoother for customers. Thank you again for your honest feedback.
Antwoord van WarmZilla
Thank you for your great review of WarmZilla. We’re delighted to hear you found the boiler service simple and straightforward, exactly how it should be!
Excellent communication is something we work hard on, so it’s fantastic to hear that reflected in your experience. Thanks again for choosing WarmZilla — we really appreciate your support.
Great person
Great person, very knowledgeable. He has found a fault with the boiler that wasn't dealt with on the last repair done. Now I know I will log another warranty with warmzilla with the humming the boiler does and the f2 fault.
23 mei 2026
Antwoord van WarmZilla
Thank you for your review and for your continued trust in WarmZilla. We’re really pleased to hear our engineer was knowledgeable and able to identify an issue that had previously been missed.
We understand how frustrating ongoing boiler faults can be, so it’s great that the cause has now been identified.
Thanks again for your feedback — it’s greatly appreciated.
Really pleased overall with WarmZilla…
Really pleased overall with WarmZilla and would probably give 4.5 stars if Trustpilot allowed it.
The boiler installation itself was excellent value for money and the engineers were professional and knowledgeable. They also resolved a fairly significant issue for me in the end, which I appreciated.
The only reason I’ve knocked half a star off is communication. During the first visit/issue I felt a bit left in the dark and wasn’t kept updated properly, which was frustrating at the time.
That said, once things got moving again they were very good and the final outcome was genuinely strong. I’d still recommend them overall.
14 mei 2026
Antwoord van WarmZilla
Thank you for taking the time to leave such a detailed and balanced review for WarmZilla. We’re really pleased to hear you were happy with the installation, value for money, and professionalism of the engineers, especially that we were able to resolve the issue for you in the end.
We also genuinely appreciate the honest feedback regarding communication. Keeping customers updated throughout every stage is something we continually work on, and we understand how frustrating it can feel when communication falls short during important moments. Your comments are valuable and will help us improve the experience moving forward.
Thank you again for your recommendation and for choosing WarmZilla — it really does mean a lot to us.
Great price and quick installation
Great price and quick installation, guys on the phone were ace! The installation was done by Scott and his work is beyond excellent, like artwork is his pipework! We are delighted with the whole experience, thankyou for making our nightmare as easy as possible!
22 mei 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Thank you so much for the amazing review! We’re delighted to hear you were happy with both the price and speed of installation. We’ll be sure to pass your kind words onto Scott — he’ll love hearing that his pipework was described as artwork!
At WarmZilla we know how stressful boiler problems can be, so it means a lot to hear we helped make the process easier for you. Thanks again for choosing us and for taking the time to leave such fantastic feedback.
Great price and everything included
Great price and everything included. Brand new Shiney boiler working away keeping our home toasty and water hot. David our engineer was top bloke, did a fantastic job, highly recommend his work.
21 mei 2026
Antwoord van WarmZilla
Thank you for the brilliant feedback! We’re delighted to hear you’re happy with the price, the service, and your new boiler keeping the house warm and water hot 🔥
A big thank you as well for the kind words about David — we’ll be sure to pass this on to him. We’re proud to have top engineers like him representing WarmZilla. Thanks again for the recommendation!
Seamless from booking to installation.
Very easy and responsive communication from the start and an excellent boiler installation.
21 mei 2026
Antwoord van WarmZilla
Thank you so much for the great feedback! We’re really pleased to hear you found the communication easy and responsive throughout, and that you’re happy with your new boiler installation.
From all of us at WarmZilla, thank you for choosing us!
Fantastic price & service
Fantastic price & service. Our boiler developed a water leak and we decided it was time to retire it as it was 23 year old. I went straight online and found warmzilla. Was really happy with the price so made my purchase. The engineer Gary turned up exactly when they said he would and done a fantastic job. Couldn’t be happier. Well done warmzilla
21 mei 2026
Antwoord van WarmZilla
Hi,
Thank you for your fantastic review!
We’re really pleased to hear you found us online and were happy with both the price and the service provided.
After 23 years, it definitely sounds like your old boiler had earned its retirement! We’re delighted Gary was able to get everything sorted for you and that the installation went smoothly. We’ll be sure to pass on your kind words to him, he’ll really appreciate it.
Thank you again for choosing WarmZilla and for taking the time to share your experience.
Richard the Engineer turned up in…
Richard the Engineer turned up in perfect time, an apsolute Gent and did a great job much quicker than I thought. New system boiler in place of an old regular boiler. Everything great..
20 mei 2026
Antwoord van WarmZilla
Hi Thomas,
Thank you for your fantastic review.
We’re really pleased to hear Richard arrived right on time and did such a great job replacing your old regular boiler with the new system boiler.
We’ll be sure to pass on your kind words to Richard. It’s great to know the work was completed quicker than expected and that everything went smoothly.
Thank you again for choosing WarmZilla and for taking the time to share your experience.
Efficient and tidy fitters.
Our boiler was fitted on the second attempt after the first fitter broke down on route. The men were prompt and efficient fitting the new boiler and left the place tidy. Unfortunately as yet the boiler doesn't seem to be running as often as we'd like and I've yet to understand it. I have worked out how to put it on for a few hours which helps but more research is needed. I've looked at the hub but not found information yet.
12 mei 2026
Antwoord van WarmZilla
Hi,
Thank you for your review.
We’re sorry for the delay caused by the initial breakdown, but we’re pleased to hear our engineers arrived promptly on the second visit and carried out the installation efficiently and tidily.
We understand it can take a little time to get familiar with a new boiler and heating controls. It’s good to hear you’ve already found a temporary solution, but we’d be more than happy to help you get everything set up properly so the system runs exactly as you’d like.
Please feel free to contact our team and we can talk you through the settings.
Thank you again for your feedback and for choosing us.
Yearly boiler service
Yearly boiler service was carried out smoothly with excellent communication. The engineer showed up on time and was very respectful and well mannered.
I will be using this service again.
Thanks.
1 februari 2026
Antwoord van WarmZilla
Hi,
Thank you for your kind review.
We’re delighted to hear your annual boiler service went smoothly and that you were happy with the communication throughout. It’s great to know our engineer arrived on time and provided a respectful and professional service.
We really appreciate your support and look forward to helping you again in the future. Thanks again!
Good service
8 mei 2026
Antwoord van WarmZilla
Hi,
Thank you for your review!
We’re pleased to hear you received good service and appreciate you taking the time to share your feedback.
thoroughly recommend
Super quick. Kept informed. The engineer (Marcos) was outstanding in every way. Professional, polite, helpful, patient and highly skilled. Incredible how much he achieved in less than 2 days and left our house better than he found it (thanks for taking out some other old pipes). Can't recommend WarmZilla and especially Marcos enough. Many thanks.
5 mei 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi Richard,
Thank you so much for your fantastic review.
We’re delighted to hear you were kept informed throughout and that the installation was completed so quickly.
It’s especially great to hear such amazing feedback about Marcos. We’ll be sure to pass on your kind words — he’ll be thrilled to know his professionalism, skill, and care made such a positive impression. Going the extra mile to leave your home better than he found it is exactly the standard we aim for.
Thank you for your recommendation and for choosing us— we truly appreciate your support.
Good value service
We had ongoing issues with our boiler and struggled a bit with contacting Warmzilla, however once we had established communication an engineer was found and came to us within a day, and our agent was extremely helpful. A good service for the price we pay.
6 mei 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi,
Thank you for taking the time to share your feedback.
We’re sorry to hear there were initial difficulties reaching us regarding your boiler issue.
We’re pleased that once contact was established, an engineer was arranged promptly and attended within a day, and that your agent was helpful throughout. It’s good to know you found the service to be good value for the price you pay.
For future reference, there are several ways to contact us, including telephone, live chat, our online enquiry form, email, and WhatsApp.
We really appreciate your honest feedback, as it helps us continue to improve, and we’re glad we were able to resolve things for you.
First time needing a new boiler and…
First time needing a new boiler and lots of companies to choose from.
Warmzilla promised a smooth process and definitely delivered.
Their chosen engineer Richard was knowledgeable, clean working and polite. Completed the work in the time frame specified and all for a reasonable price.
Communication through WhatsApp made it extra easy.
1 mei 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi,
Thank you for your detailed review.
We’re really pleased to hear that your first experience of getting a new boiler went smoothly and that we delivered on the promise of a simple, stress-free process.
It’s great to know Richard provided such a professional service — being knowledgeable, tidy, and polite throughout the installation. We’re also glad the work was completed within the agreed timeframe and at a fair price.
We’re especially pleased you found the WhatsApp communication helpful in making everything easier.
Thank you for choosing Warmzilla and for your recommendation — it really means a lot to us.
Kian & Amy ( from Warmzilla ) were very…
Kian & Amy ( from Warmzilla ) were very helpful / replied to my questions & concerns very quickly. They kept me updated with progress of the order & delivery process. Even the Installation team were polite & professional
1 mei 2026
Antwoord van WarmZilla
Hi,
Thank you for your kind review.
We’re really pleased to hear that Kian and Amy were able to support you quickly and keep you informed throughout your order and delivery. It’s also great to know our installation team made a positive impression.
We’ll be sure to pass your feedback on to the team.
Thanks again for choosing us!
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