Old standard system boiler broke down so decided to swap to a new combi boiler. We had no heating or hot water, placed order Thursday afternoon, plumber Mason Thomas arrived Friday morning and went ab... Se mer
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Det här tycker kunderna
From ordering to delivery and fitting my new boiler, everything went exactly as planned. This is my second time using Warmzilla's services this year — first for my new home and most recently for my re... Se mer
The engineer left the old boiler and all the packaging, loads of mess (brick dust, cable cut offs on the floors and benches), had my teen bleed the radiators and didn't replace the cupboard that the b... Se mer
Your booking staff (Amy) were very helpful and patient. Your engineers (Rayen and Steve) were professional and thorough throughout. Well done all
Företagsinformation
- Leverantör av vattenkokare
- också i
- Gasingenjör
- Gasinstallation
- Gasinstallatör
- Laddningsstation för elfordon
- Uppvärmningstjänster
Om WarmZilla
Skrivet av företaget
WarmZilla is an online home services provider transforming how the UK buys and installs new boilers, EV chargers, air conditioning, and home heating solutions. Founded by experienced Gas Safe engineers, WarmZilla was built to eliminate pushy salespeople, hidden fees, and lengthy home visits by taking the entire quote and ordering process online. Using our quick online survey, customers receive fixed-price, tailored quotes in minutes. You simply choose the ideal boiler from leading brands - such as Worcester Bosch, Ideal, Vaillant, and Baxi - pick your preferred installation date, and let our team handle the rest. Every installation is carried out by handpicked, local Gas Safe registered engineers ("WarmInstallers") who deliver exceptional workmanship, complete system cleanses, and a clean, hassle-free setup.
We back all our work with a 1-year workmanship guarantee, top manufacturer warranties up to 10 years, and a price match promise. To make home upgrades accessible to everyone, we offer flexible payment options, including 0% interest-free finance. Beyond boiler installations, WarmZilla provides comprehensive home cover plans, annual servicing, emergency repairs, and EV charger installations across England, Scotland, and Wales.
Whether you need a quick boiler replacement or routine home care, WarmZilla delivers speed, transparent pricing, and 24/7 customer support - making home services simpler, fairer, and completely stress-free.
Best Price Guarantee
We won't be beaten on price
Kontaktuppgifter
Capital Tower, Greyfriars Road, CF10 3AG, Cardiff, Storbritannien
- 02921 684 152
- ask@warmzilla.co.uk
- warmzilla.co.uk
Ber kunder att lämna omdömen
Detta företag bjuder in sina kunder att lämna omdömen – oavsett om de är positiva eller negativa
Har besvarat 72 % av sina negativa omdömen
Svarar vanligtvis inom 2 veckor
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Se hur deras omdömen och betyg hämtas, betygsätts och modereras.
Annual boiler service
Annual boiler service. It would have been 5 stars but the engineer never called with a time as promised. He still turned up though, was courteous and completed the job quickly.

Svar från WarmZilla
No big message needed just a great…
No big message needed just a great service as usual.
Had a boiler service and the engineer was first class and very friendly.

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I completed the assessment on the…
I completed the assessment for an aircon install on the company’s website and, based on my responses, was instructed to continue the enquiry via WhatsApp as it isn’t as straightforward.
In my experience, the communication was not what I would expect from a company of this size. I was asked to send “videos they can view”, but no clear guidance was given on what was required (for example, whether they wanted footage of the inside, outside, or both). After I sent the requested videos on Saturday, I did not receive a response until Thursday, despite chasing for an update.
When they eventually replied, I was asked to send all of the same information again by email so they could review it further. This made the process feel repetitive and disorganised, and despite the time I invested, I never received a quotation.
Based on my experience, I found the communication unprofessional and the customer journey frustrating. Unfortunately, I cannot recommend the company.

Svar från WarmZilla
We recently had air conditioning…
We recently had air conditioning installed by WarmZilla and the whole experience was really positive from start to finish.
We got a few quotes before deciding, and WarmZilla came in with the best price for the system we wanted. After doing quite a bit of research and speaking to a few companies, we also felt they were the best installers for the job, and they certainly lived up to that.
The installation team turned up when they said they would, were polite, professional, and clearly knew what they were doing. The quality of the installation is excellent, everything was finished neatly, and they left the house spotless. They also took the time to explain how the system worked before they left.
The customer service was excellent throughout as well. Any questions we had were answered quickly, and we were kept informed every step of the way, which made the whole process really straightforward.
Overall, we're delighted with the installation and wouldn't hesitate to recommend WarmZilla. Great price, excellent workmanship, and first-class customer service from start to finish.

Svar från WarmZilla
Credit where its due
*** EDIT ****
After my original review, Warmzilla got in touch, offered me an upgraded system at no extra charge, and brought the installation date forward — the install itself went really well, and we are really pleased with how it was handled.
Most companies wouldn't even bother responding to a negative review, but these guys went above and beyond to resolve the issue, and I would absolutely recommend them.

Svar från WarmZilla
Seamless experience
Seamless experience from start to finish. Well informed throughout and the installion cattered to my exact requirements. Would buy from again.

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Our second boiler purchase and…
Our second boiler purchase and installation from Warmzilla. Overall an easy pleasant experience. Sales team and engineers were really helpful. We have a maintenance contract with Warmzilla as well and when Craig the installation engineer fitted the boiler he also sorted out a problem we had with the zone value. All in all really pleased. First class service.

Svar från WarmZilla
Not a Smooth Process, But They Put Things Right
My wife and I had been planning to install air conditioning at our home for a while, so I spent some time researching companies in West Yorkshire.
I looked at a few but decided to go with Warmzilla because the whole process was really simple. Getting a quote was easy, I answered a few questions about what I needed, was given three options to choose from, and the price was fixed for the installation. After choosing the units I wanted, I could book an installation date and choose a payment option. Everything up to that point was quick, easy and a very good experience.
The road started getting a bit bumpy after I booked the installation. My original Thursday appointment had to be changed because of a delay with the delivery, so I moved it to a Saturday. So I lost one day of my Hollidays I was booked for Thursday install
I also wanted the pipework chased into the walls for a cleaner finish. Warmzilla told me they do not carry out surveys and that the installers work from the photos customers upload. I wanted to speak to someone about this, so I requested a call. They rang me the next working day and agreed that the installer would contact me. That did not happen until I chased it up myself, and I later found out the engineer had been on holiday. We ended up having a video call instead and he confirmed where I should chase the walls.
I then took another day off work to prepare everything before the installation. On the Friday evening I received an email saying the electrician was off sick, but the air conditioning engineer would still come and finish most of the work. The next morning I got a text from the engineer saying he was off sick too. That was probably the most frustrating part of the whole experience.
My house was covered in dust sheets, from wall chases and left for ac installation, as its lived house
On Sunday I received a email from Rhys, the Installation Director, who apologised and promised to get everything sorted.
On Monday I received call from Warmzilla and they try to push install for nearly 1 month, which I not agreed and asked call from more senior staff, I have call back from same guy who's emailed me on Sunday, and after explaining my situation, including the fact that my house was covered in dust sheets because I had already chased the walls, Rhys really stepped in and did everything he could to help. He arranged another contractor to come the following Monday and they completed both the air conditioning installation and the electrical work. Rhys also kindly offered a free service next year to make up for all the hassle, which I really appreciated.
The other issue was having to chase the paperwork, which took about four weeks.
Overall it was a stressful few weeks and communication could definitely be better. It would also help if customers had dedicated person looking after their installation, instead I don't know who's responsible for that install, luckily like mentioned I have email from Rhys and I able to ask question directly to him
In the end, though, everything works perfectly and I am happy with the finished installation. Despite the problems, I would probably still choose Warmzilla again because when things went wrong they did make the effort to put them right. I hope they take this feedback on board because there is definitely room for improvement, especially with communication and keeping customers updated.

Svar från WarmZilla
Average
We went with Warmzilla in December for our boiler service. Have left 2 previous 1 star reviews which they asked us to remove while they sorted issues. First boiler service and they did not even take the front off the boiler so not convinced it was serviced. Arranged for someone else to come out who did not turn up. Finally got the service done. Then had an issue with our boiler and it took 3 months for them to send someone out. We had a new boiler installed last week and can’t fault the guy who did it. Would give 5 stars for him and the boiler fitting. Not sure I believe all the positive reviews as they ask people to remove negative reviews while they sort out the issues. Not sure if we will renew in December based on our overall experience. This is an honest review base on our overall experience. If you get a good tradesman to come out it’s fine but not all are good and the timescales are not great. Yes we had heating and hot water so not expecting same day or next day check but three months is far to long to wait for a boiler check when you report an issue, they are cheap and if you get the right tradesman it’s worth the money but there are issues and delays

Svar från WarmZilla
Great service
Great service, easy to use for the whole process. The install was easy and the people were profesional. Absolutly no complaints. 5 stars.

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Easy to use website bo hassling phone…
Easy to use website bo hassling phone calls let me make my decision then gave me a selection of 4 install dates that suited me the men who fitted the boiler were polite and clvery clean workers

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Questionable business practices
Update: A lot of proactive comms from WarmZilla after this review - I has to chase everything before that! I have since been contacted by WarmZilla with a legal-style letter threatening action if I do not remove my review. I was then offered £50 as a goodwill payment in return for taking it down. Despite this, the website still shows new customers being offered installation dates such as 3 September, whereas the earliest date I was given for my order (placed on 3 July) was October 2026, communicated to me by email. Just building a winter order book.
———
Our AC order was taken with a confirmed installation date. We were told the installation would happen quickly, but after a month of confusing WhatsApp messages, we were only then informed of major delays. The deposit was also requested before any confirmed installation date could be given, which felt unreasonable and unprofessional.
The whole experience has been frustrating and has not felt transparent. If supply issues were already a problem, that should have been made clear at the outset instead of leaving customers in the dark. I would strongly advise others to be cautious before placing an order.

Svar från WarmZilla
They went the extra mile
We got air con across two bedrooms and our living room. There were a few bumps along the way with scheduling and pipe routing, but WarmZilla really bent over backwards to get it right, listening properly when we had questions and adjusting the plan until we were happy. End result is genuinely great, quiet, does exactly what we needed, and the engineers left everything spotless. They clearly cared about getting the outcome right, not just finishing the job. Would recommend without hesitation.

Svar från WarmZilla
Proactive resolution, efficient order process in testing conditions
Although I have had an interesting encounter with WarmZilla, they have taken the feedback seriously and I have had a few conversations with Rhys who has been very proactive and upfront. Although the installation didn't happen today, they've tried to work with me and find a date within the next 14 days. As we are going overseas for an extended period of time, we may not opt to go with this date but the post experience follow-up has been positive and we may end up going with WarmZilla as a result of this,

Svar från WarmZilla
Great fast responses from email team…
Great fast responses from email team and they got us an earlier date due to my mistake of booking when we was on holiday

Svar från WarmZilla
Post sale and installation customer…
Post sale and installation customer service not good as I emailed several times for my payment receipt and warranty certificate.No reply and never received those documents

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Easy to order a new boiler and…
Easy to order a new boiler and installation fitted on time at a competitive price

Svar från WarmZilla
Reece was fantastic from start to…
Reece was fantastic from start to finish , very competitive pricing and a proper old school service which is rare in today’s world.

Svar från WarmZilla
Heating service good installers
Heating service that provided knowledgeable engineers - unafraid to use a ladder :) and even though we had air trap issue it was quickly resolved.
Would recommend.

Svar från WarmZilla
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