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Sustainable Farming

Dairy Farming Ireland Hot Water Heat Pump

Dairy farms use a lot of hot water for washing equipment. Hot water heat pumps are ideal for dairy farms as they produce hot water at the cheapest rate available. They are also easy to install as direct replacement for an existing water heating cylinder.

A TAMS grant is also available for these heat pumps as it is upgrading a water heater.

Click here to watch the video testimonial from a dairy farmer in Limerick who saw a reduction of 66% in his water heating costs after he installed a hot water heat pump from our renewables sister company, Glenergy.

Renewable Energy for Farms

Irish farmers can do a huge amount with their farms to generate a long-term secondary income and reduce operating costs using renewable energy technologies.

Dairy Farmers:

Hot water heat pumps are the cheapest way to heat hot water available in Ireland today. A mature technology in Europe these units are becoming more and more popular in Ireland due to the low installation cost and even lower running costs.

Our hot water heat pump can reduce hot water bills by 66% (proven decrease from €1,134/year to just €378/year).

The Glen Fuels hot water heat pump keeps TBCs consistently between 5,000 - 10,000 and ensures premium grade milk all day every day.

In this video Limerick dairy farmer Joe O'Brien explains how our hot water heat pump works on his farm.

Generate a Second Income:

Many farmers use renewable energy to generate power for both their agribusiness and homestead and they sell the surplus to the national grid.

Our products offer all farms an energy saving solution:

  • Ground source heat pumps
  • Air source heat pumps
  • Hot water heat pumps
  • Solar thermal
  • Solar PV
  • Combined Heat and Power (CHP)

Optimise Your Land: 

Wind, solar and biomass energy are replenished daily and can be harvested forever.

Renewable energy can be used on the farm to replace other fuels or sold as a "cash crop":

  • Save money
  • Increase self-reliance
  • Reduce pollution
  • Dry crops
  • Warm homes, livestock buildings, and greenhouses
  • Water heaters can provide hot water for dairy operations, pen cleaning, and homes
  • Power farm operations and remote water pumps, lights and electric fences
  • Buildings and barns can be renovated to capture natural daylight to replace light bulbs
  • Solar power is often less expensive than extending power lines
  • Sell the surplus to the national grid
  • Turn fields into solar farms
  • Reduce greenhouse gases

Glen Fuels - Glenergy

In 2015 Glen Fuels became the first oil company in Ireland to offer customers in all sectors renewable energy solutions.

Dairy heat pumps are installed by the engineers and experts at our sister company, Glenergy.

Glen Fuels - Energy for Everything


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Solar Panels

 Solar Thermal panels produce hot water for baths and showers. Solar Photovoltaic (PV) panels produce electricity  to power appliances in the building.

AdBlue Pumps

You can use your Glen Fuel Card to buy AdBlue at Circle K service stations and at Glen Fuels depots.

AdBlue drums, barrells and 1,000L cubes are available from Glen Fuels at depots and our online store.

Green Diesel

The Glen Fuels mixed fleet delivers sulphur-free gas oil (SFGO) for off-road vehicles up to 37,500 litres per delivery.

Heating Oil

With a state-of-the-art fleet operating out of five depots, we deliver quality home heating oil quickly.

Agricultural Lubricants

High quality lubricants at affordable prices improve efficiency, reduce emmisions and guarantee warranties. 


Oil Boiler Service

Glen Fuels recommends an annual oil boiler service for more heat output and smaller oil bills.

Heating Oil Tanks

Glen Fuels has bunded and single skin home heating oil tanks for sale with nationwide delivery.

Truck Stop Network

Glen Fuels Truck Stop network is a commercial facility which provides refuelling and rest to truck drivers along the N11 and M11 southbound in Kilmacanogue, Arklow, RosslareNew Ross and Ballyhale.


On our dairy farm we’ve a high demand for hot water on a daily basis for both the bulk milk tank and the milking parlour. The hot water heat pump has reduced our electricity bill significantly and we’re still passing our TBC tests and our milk is premium grade all the time, every day.

By Joe O’Brien, Dairy Farmer, Limerick, Limerick

Commercial Glen Fuel Card

Commercial Glen Fuel Card

  • Wholesale price less Glen Fuels discount at core sites
  • Discounts at Circle K
  • AdBlue, lubricants and car wash discounts nationwide

The Glen Fuel Card is the only independent fuel card valid at both Glen Fuels and Circle K nationwide. 

Suitable for companies of all sizes - corporations, SMEs, sole traders.

Terms and conditions apply. 

Click to Enquire


Now Delivering Nationwide

Now Delivering Nationwide

  • Range Cooker Additive
  • Lubricating Oils
  • AdBlue
  • Heating Oil Tanks
  • Diesel Storage Tanks
  • Renewble Energy Technologies

  • Insulation
  • Oil and Renewable Central Heating
  • Energy Rated Appliances
  • Kick the Car to the Curb
  • Generate Your Own Energy
  • The Cost of the Little Red Light

To download your FREE Glen Fuels eBook, click here.