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
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Heeft 86% van zijn negatieve reviews beantwoord
Reageert doorgaans binnen 2 weken
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Extremely Poor Radiator Installation and Stressful Aftercare Experience with WarmZilla
I am extremely disappointed with the radiator installation carried out by WarmZilla in my living room. The quality of the work was far below what any homeowner would reasonably expect from a professional heating company.
The installation was left in a very poor and unfinished condition. The pipework was exposed and poorly aligned, the wall around the radiator was left damaged, and the overall finish looked careless and unprofessional. Instead of a clean installation that blends into the room, it looked as though the work had been abandoned halfway through, making the radiator area look messy and poorly executed. Seeing this every day in the main living space of my home was extremely upsetting.
What made the experience even worse was the long and stressful process of trying to get WarmZilla to resolve the issue. I spent over one and a half months raising complaints and communicating with them repeatedly. Despite the significant amount of time, emails, and effort involved, the problem was never properly resolved. Throughout this period, I felt there was no genuine intention to correct the poor workmanship.
In the end, I had no option but to hire an independent professional heating engineer to correct the installation. The engineer had to reinstall the radiator to a proper professional standard and repair the damage left behind. He also managed to hide the pipework and leave the installation looking neat and properly finished.
This resulted in significant additional costs that I should never have had to pay, as well as a prolonged period of stress dealing with the situation.
This experience caused unnecessary financial loss and a great deal of stress, negatively affecting my daily life. Based on my experience, I strongly recommend that others think very carefully before using this company. The installation left in my home and the lack of resolution afterwards were extremely disappointing.
23 januari 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi Hadeel
We're really sorry about this situation. I can see that the team has sent you proof that we were trying to contact you to do whatever was necessary regarding the work but those emails were missed by yourself.
We regret that we weren't able to come to an agreement but thank you and wish you all the best :)
Great Service
26 februari 2026
Antwoord van WarmZilla
Hi Kevin,
Thank you for your review!
We’re really pleased to hear you received great service and appreciate you taking the time to share your feedback.
Antwoord van WarmZilla
Hi,
Thank you for your review.
We’re really pleased to hear you found our service trustworthy and effective.
We truly appreciate your feedback and your support.
New boiler
Great value , very professional fitters , next day delivery on the hole great company and would recommend
26 februari 2026
Antwoord van WarmZilla
Hi Christopher,
Thank you so much for your fantastic review!
We’re delighted to hear you were pleased with the value, our professional fitters, and the next-day delivery. It’s great to know everything came together smoothly for you.
Your recommendation means a lot to all of us— thank you for choosing us!
Absolutely 5 star professional service
Absolutely 5 star professional service. Arrived as planned - Rob was lovely, quick and efficiently fit with no mess. Couldn’t ask for better. Cost may be little more but it was worth every penny. Excellent throughout.
17 februari 2026
Antwoord van WarmZilla
Hi,
Thank you so much for your wonderful 5-star review!
We’re delighted to hear you were happy with the service and that everything went smoothly on the day. Rob will be especially pleased to hear your kind words about his efficiency and professionalism.
We always aim to deliver a high standard of workmanship with as little disruption as possible, so it’s great to know you felt it was worth every penny.
Thanks again for taking the time to share your experience — it truly means a lot!
Easy to order and great communication
Easy to order and great communication. The enginner was wonderful and did a great job!
17 februari 2026
Antwoord van WarmZilla
Hi Alan,
Thank you so much for your kind review!
We’re really pleased to hear that you found the ordering process straightforward and that our communication met your expectations. It’s also fantastic to know the engineer did a wonderful job — we’ll be sure to pass your feedback on.
We truly appreciate you taking the time to share your experience!
excellent company
excellent for communication, delivery, installation and after service of my boiler replacement. Amy and Josh were very good and helpful responding very quickly to my questions. good warranty provided on Ideal boiler.
28 januari 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi David,
Thank you very much for taking the time to leave such a kind and detailed review!
We’re delighted to hear that you were happy with the communication, delivery, installation, and after-service throughout your boiler replacement. It’s wonderful to know that Amy and Josh were able to help and respond quickly to your questions — we’ll be sure to pass your compliments on to them.
We really appreciate you choosing us and are glad you’re pleased with the warranty and overall service. Thanks again!
Needed a new boiler soon as
Needed a new boiler soon as, as mine was done and l had no hot water or heating. WarmZilla got me sorted within 24 hours as promised. Everything arrived when they said it would including the engineer. Glad to have heating and hot water back, all l have to do now is work out how to set it properly to my needs.
9 februari 2026
Antwoord van WarmZilla
Hi Patricia,
Thank you for your great review!
We’re really pleased we were able to get you back up and running so quickly.
It’s fantastic to hear that we delivered everything as promised within 24 hours and that the arrival times were convenient for you.
If you need any help we’re always happy to help. Enjoy being warm again!
Antwoord van WarmZilla
Hi Gill,
Thank you for your kind review.
We’re really pleased to hear you were happy with the pricing and finance options, and that our customer service stood out. We truly appreciate your feedback and your support.
Had boiler installed
Had boiler installed , trying to book 3 service to keep Warranty up to date. Been trying since November and not getting any respinse. Chat bot doesnt work. Loads of emails sent to Ask Warmzilla. Nothing. Paying £13.99 a month to include free service. Shocking service.
17 februari 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi,
Thank you for your feedback. We’re really sorry to hear about your experience — this certainly isn’t the level of service we aim to provide.
We understand how important it is to keep your boiler service up to date for warranty purposes, and we sincerely apologise for the frustration caused by the lack of response.
We’d really like to get this resolved for you as quickly as possible. We will be looking into this further.
Thank you for bringing this to our attention — we appreciate the opportunity to put things right.
Got a fantastic deal on Warmizlla for…
Got a fantastic deal on Warmizlla for my Viessmann setup, and I couldn’t be happier. Everything was handled smoothly from start to finish. The service, support, and aftercare were excellent, and the whole process felt professional and hassle-free. Really appreciate the effort from the team — highly recommended!
16 februari 2026
Antwoord van WarmZilla
Hi Mohammed,
Thank you so much for your fantastic review!
We’re absolutely delighted to hear that you’re happy with your Viessmann setup and that everything ran smoothly from start to finish. It’s great to know that our service, support, and aftercare made the whole process feel professional and hassle-free — that’s exactly what we aim for.
Your kind words truly mean a lot to the team, and we really appreciate you taking the time to share your experience.
If you ever need anything in the future, we’re always here to help!
Great fitting but annual boiler servicing is nightmare
Warmzila were great when they fitted my new boiler. The problem I am having with them is that I took a boiler service and maintaience contract with them over £170 per year but trying to get them to sort out my annual service is a nightmare. I have requested my service several times now but keep getting fobbed off saying they cannot get a engineer in my area to carry out the service. So buyer beware they talk a good game but cannot fulfill their side of the contract.
12 januari 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi,
Thank you for your honest feedback. First of all, we’re really pleased to hear that you were happy with the boiler installation itself — that means a lot to us.
However, we’re very sorry to read about the difficulties you’ve experienced arranging your annual service. We completely understand how frustrating this must feel, especially when you have a maintenance contract in place and expect it to be straightforward. That’s absolutely a fair expectation.
We would really like the opportunity to resolve this properly for you.
We’ll escalate this with our service team as a priority and ensure this is addressed as quickly as possible.
Thank you again for bringing this to our attention — we genuinely value your feedback and the chance to put things right.
Antwoord van WarmZilla
Hi,
Thank you for your review!
We’re really pleased to hear you had a good experience and that the work was completed on time. Delivering quality service efficiently is something we take great pride in.
If there’s ever anything else you need, we’ll be more than happy to help!
Amazing experience recommended to…
Amazing experience recommended to anybody 10/10 experience!!!
11 februari 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi Chris,
Thank you for the fantastic review!
We’re absolutely delighted to hear you had an amazing experience and would recommend us — 10/10 means the world to our team.
We really appreciate your support!
Antwoord van WarmZilla
Hi,
Thank you for the great review!
We’re so pleased you were happy with the service and really appreciate the recommendation.
Amazing service would definitely…
Amazing service would definitely recommend
10 februari 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi,
Thank you for your wonderful review!
We’re so pleased to hear you received amazing service and truly appreciate your recommendation.
If you ever need anything in the future, we’re here to help.
The best boiler experience I’ve had x
11 februari 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi,
Wow — thank you! That’s fantastic to hear.
We’re delighted that this has been the best boiler experience you’ve had. It means a lot to the whole team.
If you ever need anything in the future, we’re always here to help.
Brilliant service couldn't ask for…
Brilliant service couldn't ask for anyone better 10/10 recommendation!!!
11 februari 2026
Review zonder uitnodiging
Antwoord van WarmZilla
Hi,
Thank you so much for the amazing feedback!
We’re absolutely delighted to hear you couldn’t have asked for better service — 10/10 and a recommendation really means a lot to us.
We truly appreciate your support!
Absolutely brilliant service from start…
Absolutely brilliant service from start to finish! I ordered a new boiler on Friday and it was installed just three days later. The installation took a little over two hours and was completed perfectly with no issues at all. Any enquiries I had before and after purchasing were answered straight away, which was really reassuring. Fast, professional, and hassle-free - I couldn't be happier and would highly recommend them!
9 februari 2026
Antwoord van WarmZilla
Hi Sammy,
Thank you so much for taking the time to leave such a fantastic review!
We’re delighted to hear you were happy with the speed of the installation and that everything went smoothly from start to finish. It’s great to know our team was able to answer your questions promptly and make the whole process hassle-free.
Your recommendation really means a lot to us — thanks again for choosing us!
Antwoord van WarmZilla
Hi Stewart,
Thank you very much for your kind words.
We’re really pleased to hear you were happy with the service and found everything professional.
We truly appreciate your support and hope to work with you again in the future.
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