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Testimonials


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At ES we believe that our customers are our best sales people.

For this reason we take great care in designing the optimum solution for their specific needs.

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Name Mr. G. Murphy
Original System Oil boiler, standard radiators, 200 liter DHW cylinder
New ES Components AWH 20, Hemera AWD 300, 100 Liter Buffer, System Control
Installer Reservoir Renewables
Saving % 78

I approached ES upon recommendation, as the cost of heating my home on oil was getting out of control. The 12 months previous had cost me nearly €6000. I liked the idea of air to water and ultimately a reduction in my bills.ES went through my heating system and provided me with a detailed proposal on the best solution to my issues . Since the install my bills have plummeted and I have a very comfortable house. I am delighted with the system and would highly recommend both ES and the products they provide.

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Name Mr. M. Niesen
Original System Gas boiler, underfloor heating with some standard radiators, 120 liter DHW cylinder
New ES Components AWH 20, Hemera AWD 300, System Control
Installer Burconn
Saving % 82
Before I met ES the cost for heating my home with an oil boiler for Under floor was €4000 per year. I looked at a few different systems but my engineer in Holland said that the ES unit ticked all the boxes. I am glad to say he was right. I am now heating my house with the ES heat pump and getting my hot water from the Hemera AWD. I now have more heat and hot water than ever before and I have reduced my spending to €700. I am happy for anyone to come and look at my system and I will show them how much I have saved.
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Name Mr. N. Casey
Non ES Components Underfloor
New ES Components AWH 10, Hemera AWD 300, AL Radiators, System Control
Installer
Saving %
We built our house in 2013 and we were looking to install the most up to date energy efficient systems. After looking at a number of different options we decided to go with ES. The system has gone through 2 winter seasons now and is delivering heat in abundance . The costs for running the system are excellent. We are delighted with the levels of heat and the hot water that is available at all times. We would recommend the system to anyone who is looking for a comfortable home without the high costs.
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Name La Trattoria – Pasquale
Original System Gas boiler, 300 Liter Hot water cylinder with 2 no. 3 kWatt immersions
New ES Components Hemera AWD 300
Installer Burconn
Saving % 91
I met with ES to discuss the costs of heating the hot water for my Restaurant. They proposed an exhaust air system which takes the excess heat from my kitchen and somehow turns it into hot water. Since installation my bills have reduced by over 90% and I have all the hot water I need. It is a great system and I think any business that is using a lot of hot water should have do the same.
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Name Four Liars – Geoffrey
Original System 250 Liter Hot water cylinder with 2 no. 3 kWatt immersions
New ES Components Hemera AWD 300
Installer Burconn
Saving % 86
I have a busy Restaurant in Cork city and I was originally heating my hot water by immersions. My bills for hot water were over €4000 per year. I decided to install the Hemera hot water system as I liked the idea and the proposed savings. I am very pleased to say that I am now generating my hot water for a fraction of the original costs and on top of that I have a cooler kitchen which is great for my staff as the cold air produced by the unit is ducted back into my kitchen . This is an excellent system and I would recommend it to anyone.
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Name M. Foley
Original System Oil boiler, standard radiators, 200 liter DHW cylinder
New ES Components AWH 20, Hemera AWD 300, 100 Liter Buffer, System Control
Installer Reservoir Renewables
Saving % 78
I installed the ES system in my home in Watergrashill  as we were extending and essentially doing a complete rebuild of our home. I was provided with people to contact who had the system installed and also went to see a completed system in a house of similar size. ES looked after the full heating system and worked with the builder to ensure everything ran smoothly. The system is providing excellent levels of heat during the winter periods and as much hot water as we need for numerous showers and baths. I have had a few people who visited our house inquire about the system and I am confident to pass on ES details to people. I am very happy with the system they provided me with.
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Name Mr. T. Leary
Non ES Components
New ES Components AWH 10, Hemera AWD 300, Underfloor heating, AL Radiators, System Control
Installer Eddie O’Brien
Saving %
I recently built a new house and installed high grade insulation and windows. I was originally looking at an oil boiler as I thought that this was really the best option. However after speaking to ES and my plumber I quickly changed my mind. Since the system was turned on it has only consumed €650 worth of electricity which included drying out the house and nearly two heating seasons. My brother is now putting in the system in his house as the benefits are clear to see. I highly recommend the system.
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Name Centra – Danny Murphy
Original System 120 Liter Hot water cylinder with 1 no. 3 kWatt immersions & 3no under sink heaters
New ES Components Hemera AWD 300
Installer Burconn
Saving % 76
I had the Hemera system installed in my store in Cobh. It was recommended to me by another Centra store owner in Cork. With my old system the cylinder ran out of water on a daily basis and the under sink heaters were both expensive and inconvenient. Simply put I was pouring money down the drain. When I installed the system I also removed all the under sink heaters. To date we have never run out of hot water and my bills are a fraction of what they were. I was actually so impressed with the system that I had it installed in my home also.
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Name Centra – Ken Ross
Original System 250 Liter Hot water cylinder with 2 no. 3 kWatt immersions & 1 no under sink heaters
New ES Components Hemera AWD 300
Installer Cronin Heating & Cooling
Saving % 81
I was approached by ES with regard to an exhaust air hot water system. Their timing was perfect as I was looking to complete some energy upgrades on the shop at the time. I liked what they had to say and decided to install the system as I was using immersions to heat my hot water. I knew they were costing me a lot of money on an annual basis. Since the system was installed  we have all the hot water we could ever use. I am delighted with it and would highly recommend the system.
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