Cosyinsulation Reviews 

515
•
TrustScore 5 uit 5

4,8

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Lees wat reviewers zeggen

Beoordeeld met 5 van de 5 sterren

Very efficient and accommodating. Fit me in with a time and date that suited me. Job was carried out quickly and cleanly and the team were friendly and polite. Wouldn't hesitate to recommend them.... Toon meer

Beoordeeld met 5 van de 5 sterren

The team arrived on time and worked all very hard allday. They needed to cut out pockets in the ceiling plasterboard to pump I. The insulation, this was done very neatly and replaced and re plastered... Toon meer

Beoordeeld met 4 van de 5 sterren

Very quick and easy, has definitely made a different to our house! It holds the heat longer and does not get as cold. Unfortunately, the guy’s hoover had broken and he asked to borrow ours. Wireles... Toon meer

Bedrijf heeft geantwoord

Beoordeeld met 5 van de 5 sterren

Rep who came to assess my attic was very informative and explained everything clearly to me beforehand with no 'pressure selling'! The Installers arrived on date and on time and started work immediate... Toon meer

Bedrijf heeft geantwoord

Bedrijfsgegevens

  1. Aannemer voor isolatie

Geschreven door het bedrijf

Kingspan Synthesia insulation is the most energy efficient and environmentally friendly insulation on the market. It offers an eco friendly form of home insulation, with a lifetime guarantee. We work throughout the UK and Ireland.


Contactgegevens

4,8

Uitstekend

TrustScore 5 uit 5

515 reviews

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4,8

Alle reviews

(515)

49 reviews in de afgelopen 12 maanden

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Beoordeeld met 5 van de 5 sterren

J.W.

Cozy Insilution completed their work very professionally and efficiently from start to finish. They took care of all the important details. The time from the initial visit to the arrival of the lad's who carried out the work was very short. The lad's was very friendly. From the moment they entered the house, they wasted no time and immediately got to work to complete the job as quickly as possible. After finishing the job, they cleaned up thoroughly, leaving a tidy mess behind.

25 november 2025
Beoordeeld met 1 van de 5 sterren

We rang and got a quote from Cosy…

We rang and got a quote from Cosy insulation. We decided to go with them. We rang and someone came out to put insulation in. Turns out the guy had left cosy insulation and went out on his own and never told us. Cosy insulation would not stand over it even tho the were the first point of contact.

30 september 2025
Review zonder uitnodiging
Logo Cosyinsulation

Antwoord van Cosyinsulation

Hi Patricia.

We feel it is important to clarify the facts regarding this matter.

The individual who originally provided your quotation ceased working for and representing Cosy Insulation prior to the works being instructed or carried out. At the time you proceeded with the installation, he was operating independently under his own company.

Cosy Insulation was not involved in arranging, carrying out, supervising, or invoicing the installation. We did not receive payment for the works and had no knowledge that the job was proceeding.

Accordingly, the contract for the installation exists solely between yourself and the company that completed and invoiced the work. Cosy Insulation cannot accept responsibility for works undertaken independently by a third party who was no longer authorised to act on our behalf.

We take our reputation and professional standards extremely seriously and would never allow work to proceed under our name without our direct contractual involvement and guarantee.

Should you wish to discuss this matter further, you are welcome to contact our office directly.

Beoordeeld met 5 van de 5 sterren

We had freezing attic that makes our…

We had freezing attic that makes our house cold , we constantly put turf on our range to keep the house warm. Then your crew came to spray insulation in our attic, they were very hard workers and very clean which I was very impressed with them.
So now the house is unbelievable warm and less turf on our range , saving turf. It made a huge difference thank God. I'm so happy and I told a lot of my friends about cossy insulation

20 januari 2026
Logo Cosyinsulation

Antwoord van Cosyinsulation

Thank you for your great review

Beoordeeld met 4 van de 5 sterren

Service was great, customer service was let down by one individual

I contacted Cosy through Instagram, guy came out and gave a run through of whats done, and I signed up on the day. The lads came about a month later and did the insultation no problem. About 2 weeks later a chap came to do the BER no issues.

The day after the BER guy came I got a call from Sinead in the office asking whether I received a form from the SEAI, which I hadn't. She asked whether I could chase this up for them. I said, well its not really up to me to chase it as all of the grant side of things was meant to be done by Cosy. She got really short on the phone and said "fine I will take care of it" and then hung up. Poor customer service, poor attitude.

20 januari 2026
Review zonder uitnodiging
Logo Cosyinsulation

Antwoord van Cosyinsulation

Hi Simon,

Thank you for your feedback.

I’m very pleased to hear that you were happy with the installation and BER process. It’s important to us that the work itself is carried out to a high standard, so I appreciate you highlighting that.

In relation to the SEAI paperwork, just to clarify for anyone reading — SEAI deal directly with the homeowner and will not correspond with the contractor regarding certain forms. On occasion we may need to ask customers to forward correspondence they receive, as we simply cannot access it ourselves.

I have reviewed the call internally. The recording shows that the conversation concluded with us confirming that we would take care of the matter and saying goodbye. There was no abrupt termination of the call. That said, if the tone came across in any way as short or unhelpful, that certainly wouldn’t be intentional and I apologise if that’s how it felt on your end.

We manage a large volume of grant applications and always aim to keep the process as smooth as possible for our customers.

If you’d like to discuss anything further, you’re welcome to contact me directly.

Beoordeeld met 5 van de 5 sterren

Amazing service !

Amazing service !! Very quick to answer phones, reply to emails & callbacks. Had a very pleasant consultation which was quick and within budget. They live up to their name as the work done was on time & extremely professional. We also received a callback to confirm that we were happy with the job and received our warranty certificate.

16 januari 2026
Logo Cosyinsulation

Antwoord van Cosyinsulation

Thank you for the amazing review

Beoordeeld met 5 van de 5 sterren

From the get go

From the get go , clear info, set amount , set date and time , clean fast work
The heat now in the house especially the first floor is unbelievable no rads needed at all

13 januari 2026
Logo Cosyinsulation

Antwoord van Cosyinsulation

Thanks for the fantastic review

Beoordeeld met 2 van de 5 sterren

I dont think the insulation has made…

I dont think the insulation has made any difference at all. I was expecting a bit of a difference.

13 januari 2026
Logo Cosyinsulation

Antwoord van Cosyinsulation

Hi Gabrielle.
Thank you for your feedback.

We’re sorry to hear that you haven’t noticed the level of difference you were expecting. It’s important to explain that insulation works by retaining heat that is already being generated within the home — it does not create heat itself.

If a heating system is not performing efficiently, not reaching temperature properly, or is undersized for the property, there may simply not be enough heat being produced to noticeably retain. In that situation, the insulation will still be reducing heat loss and preventing cold external air infiltration, but the overall comfort improvement may feel limited because the primary heat source is not operating optimally.

Other factors such as thermostat settings, boiler performance, radiator balancing, draughts around windows/doors, ventilation levels and general airtightness can all significantly affect how noticeable the improvement feels.

All installations are carried out to the correct specification and deliver measurable thermal performance. However, insulation forms one part of the overall heating and energy system within a home.

We would be more than happy to review your installation details and discuss your property setup in more depth to ensure everything is performing as it should. Please feel free to contact our office directly.

Beoordeeld met 5 van de 5 sterren

amazing

Richard was so trusting and honest you would know after 30 seconds on arrival he definitely is the main reason we went ahead immediately.

13 januari 2026

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