Zest Energy Ltd Reviews 

225
TrustScore 4 uit 5

4,0

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Lees wat reviewers zeggen

Beoordeeld met 3 van de 5 sterren

A number of years ago we had this company do some work for us. We were quite satisfied at the time with what they actually did. Ever since, though, we have received frequent, unwanted calls trying to... Toon meer

Bedrijf heeft geantwoord

Beoordeeld met 4 van de 5 sterren

The representative who came first of all was pleasant and explained everything.The engineer who installed the battery worked extremely hard in atrocious weather and again was very pleasant. I do have... Toon meer

Beoordeeld met 3 van de 5 sterren

the new kit was put in a position so that we cant open the freezer properly, stuff was taken off the walls without asking us and a lot of rubbish was left behind. We were told that someone would come... Toon meer

Beoordeeld met 5 van de 5 sterren

Initial contact was professional and friendly, The salesman’s advice given was to the point and informative, any questions was answered thoroughly. The best thing was for me he didn’t push anything.... Toon meer

Bedrijfsgegevens

  1. Zonne-energiebedrijf

Geschreven door het bedrijf

A Scottish based Solar PV installer with extensive experience in the industry offering you the latest in home efficiency devices and renewable technology. Our bespoke services allow us to design the perfect energy and heating solution for your home. The ZestEnergy team provide you with a tailored experience, depending on your needs, budget and ambition.


Contactgegevens

4,0

Goed

TrustScore 4 uit 5

225 reviews

5 sterren
4 sterren
3 sterren
2 sterren
1 ster

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4,0

Alle reviews

(225)

97 reviews in de afgelopen 12 maanden

Een review schrijven
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Beoordeeld met 3 van de 5 sterren

Did the fitting well but left a lot of…

Did the fitting well but left a lot of rubbish and old equipment behind.

29 mei 2026
Logo Zest Energy Ltd

Antwoord van Zest Energy Ltd

Hi Aulay,

Thank you for taking the time to leave a review.

We're pleased to hear that you were happy with the quality of the installation, but we're disappointed to learn that rubbish and old equipment were left behind following the work.

This is not the standard we expect from our installation teams, and we'd like to investigate what happened. Unfortunately, we're unable to identify your installation from your review alone, so please contact us directly with your address, postcode, or installation reference and we'll look into this for you.

We appreciate your feedback and look forward to resolving this matter.

Kind regards,
The Zest Energy Team

Beoordeeld met 1 van de 5 sterren

My problem is there after sales service…

My problem is there after sales service I am happy with my panels but the after sales service is terrible. I have phoned numerous time asking for help with my solar app problem, was told to watch a YouTube video which I did but did not solve the problem, I have asked to speak with there technical team but always an excuse -they are really busy or one team is off sick. I am still waiting for a call now in the fourth week of the problem.I am still phoning but just goes to answering machine I have left my contact details 🤞they have the time to reply to me.

22 mei 2026
Review zonder uitnodiging
Logo Zest Energy Ltd

Antwoord van Zest Energy Ltd

Hi Mary,

Thank you for your feedback.

Having now identified your account and reviewed the history with our office, we can confirm that the issue relates to reconnecting your monitoring system following a change of internet router, rather than a fault with your solar installation itself.

Our team has provided printed instructions, step-by-step guidance, and links to video tutorials explaining how to pair the inverter to the new router. Archie has also been assisting you directly regarding this matter. We have additionally advised that we are happy to assist further in person when an engineer is next working in your area.

It is also worth noting that your system is now over five years old. Zest Energy did not originally install the solar system itself — we later retrofitted and upgraded the inverter in November 2021, and the system is currently operating correctly.

While we appreciate that app connectivity issues can be frustrating, we do feel reasonable after-sales support and guidance has been provided throughout.

Zest Energy

Beoordeeld met 5 van de 5 sterren

Efficient and quick installation

The solar battery installer arrived around lunchtime and worked steadily til the job was finished mid affternoon. He was polite and efficient and left everywhere he worked very tidy

13 mei 2026
Beoordeeld met 1 van de 5 sterren

The new battery was fitted on Wednesday…

The new battery was fitted on Wednesday 22 April. There was a faulty component, I was told the replacement would be fitted on the Thursday or Friday. The last I heard was the component was out of stock.

30 april 2026
Logo Zest Energy Ltd

Antwoord van Zest Energy Ltd

Hi Alistair,

Thank you for your feedback, and I’m sorry for the delay in resolving this.

You’re right that following the battery installation on 22 April, a fault was identified with the RS485 communications module. We had expected this to be replaced within a few days, however there has been a delay due to stock availability.

I understand you’ve been in touch with the team—unfortunately today being a bank holiday has limited our ability to progress this immediately, but this will be picked up as a priority as soon as normal service resumes.

It’s also worth noting that the system is currently showing as operating normally in the app. The RS485 module relates specifically to communication with the AC power sensor, so while the system can still run, this component is required to ensure full monitoring accuracy.

We will be in contact shortly with a confirmed update and next steps.

Thank you for your patience while we work to resolve this.

Zest Energy

Beoordeeld met 3 van de 5 sterren

Not too bad in the end!

the new kit was put in a position so that we cant open the freezer properly, stuff was taken off the walls without asking us and a lot of rubbish was left behind. We were told that someone would come fix things this week but so far all we have had is one contact saying they were trying to find someone. Also we were promised that someone would come to help us change supplier so far that hasn't happened either. However they turned up and made the changes needed pretty quickly so we feel a bit better about them now.

1 april 2026
Beoordeeld met 3 van de 5 sterren

Sold me what they intended to sell me…

Sold me what they intended to sell me after calling in for a health check. The upgrade is great and a vast improvement on the 5kw battery that never worked despite repeated request to effect a fix. Once contract was signed and they had my money, I never heard from them only the contractors doing the work and they were great.

16 maart 2026
Logo Zest Energy Ltd

Antwoord van Zest Energy Ltd

Thank you for your review, Tim.

We do need to clarify one point in your comments, as it’s not accurate to say that you “never heard from us” after signing the contract. We have remained in contact throughout the process and have been available to you when needed.

We’re pleased to hear that the upgrade has delivered a significant improvement, and we appreciate your positive feedback about the installation contractors.

We take pride in delivering a smooth and well-supported experience from start to finish, so we’re sorry if this wasn’t fully reflected in how things felt from your perspective.

Beoordeeld met 5 van de 5 sterren

My experience over several years of…

My experience over several years of working with Zest, has always been excellent.
In this recent contract, their performance was again executed promptly and efficiently in both the installation and follow-up procedures. Zest Energy are a good, reliable company to work with.

16 maart 2026
Beoordeeld met 4 van de 5 sterren

The Purchase and installation was good…

The Purchase and installation was good so far still require another part to be fitted which had to be ordered up, Zest have promised to replace tiles that are broken due to the brackets for solar panels ( note our tiles are quite fragile) , have now supplied a MCA cert so we can now get money for any power that goes into the grid, the 4 Stars are due to broken tiles

9 maart 2026

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