Wind Turbines

Premier renewable energy suppliers based in Ireland


Frequently asked questions


Where can I apply underfloor heating in my home?

Whatever the application - a comfortable home, office, a healthy day-care environment, maintenance garage with dry floors, snow-free emergency entry, hangar that doesn’t waste heat, a warm floor in a chilly kennel, poultry farms, horse stables, reptile centres, veterinary clinics, or a winter football on live turf. All can be built utilizing an underfloor heating system.

What are the advantages of an underfloor system?

The system delivers heat where the human body needs it most and creating an even ambient temperature by heating all objects in the room. The relatively lower supply temperatures needed with underfloor heat allows for several energy-efficient heat source options such as condensing boilers, condensing tankless water heaters, outdoor wood boilers, geothermal heat pumps and solar. The ability to create zones based on special, occasional or common usage provides exceptional control and efficiency. Furnishing can be placed in any location or arrangement desired. A well-designed underfloor system will operate virtually silently. No more noises from fans, air forced through small registers. Air, along with airborne bacteria and allergens, is not circulated with an underfloor system. In addition, radiant heat does not dry out the air as with other systems.

Piping Layouts 


How is the Solar Thermal Systems integrated into the existing system?

The solar thermal system can easily be integrated into the existing hot water heating system. A solar tank can feed preheated water into the existing hot water tank, or one dual-coil tank which heats the water by solar or the boiler.

If I install a Solar Thermal System, do I need a backup source to heat my water?

Yes. An economic solar thermal system can provide up to 80% of your hot water needs. A backup system is necessary to ensure an uninterrupted supply of hot water.

How much can I save with a Solar Thermal System?

On average, if you install a solar water heater, your water heating bills should drop 50%–80%. Also, because the sun is free, you're protected from future fuel shortages and price hikes.

Solar panel water heating systems usually cost more to purchase and install than conventional water heating systems. However, a solar panel water heater can usually save you money in the long run. How much money you save depends on the following: 

  • The amount of hot water you use 

  • Your system's performance 

  • Your geographic location and solar resource 

  • The cost of conventional fuels (natural gas, oil, and electricity) 

  • The cost of the fuel you use for your backup water heating system 

  • Available incentives and financing options 




Are Biomass Boilers flexible-fuel feed?

On delivery, the Vitoligno 300-C is equipped for automatic pellet removal from the storage room, due to the flexible suction system. It can also be converted from an automatic to a manual feed system in a short time - quickly and easily.

How do you clean Biomass Boilers?

Wood pellets leave behind a small residue when burnt, but this is cleaned by the Vitoligno 300-C automatically. The rotating grate within the combustion chamber is automatically cleaned once a day, which guarantees excellent fuel efficiency. Through automatic ash removal, the ash within the ash box is compressed, which reduces emptying of the unit to perhaps 3 times per year (depending on usage of the boiler). Disposing of the ash is easy and clean thanks to the closed ash container, and because the ash is an all-natural product it can be used in the garden as a fertiliser.

Is a Biomass Boilers compatible with solar energy?

The Vitoligno 300-C is compatible with solar arrays, combining renewable technologies in one system. The Ecotronic control can display the collector and storage temperature, or the operating hours of the system.

What are the main advantages of Biomass Boilers?

  • Efficiency up to 95.3%

  • Fully automatic pellet boiler

  • Change this to as little as twice a year depending on usage.

  • Extensive accessories for pellet supply and storage

  • Flexible, space-saving installation. Corner installation possible

  • High reliability through the rotary valve for 100% return fire safety

  • Flexible fuel feeds, e.g., automatic pellet suction or manual feed

  • Lower power consumption - automatic ignition with ceramic insulation

  • Ecotronic control with digital display and automatic monitoring, plus solar and buffer cylinder control

  • Automatic, stainless steel combustion chamber for high reliability and long intervals between cleanings

  • Ideal for buildings with good thermal insulation and low heat demand (low energy and Passive Houses)



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UFH 24V stat wiring  to 4 Zone Master

User Manual VVM320

UFH 230V stat wiring with oil

UFH Pump Pack T4 Grundfos Data Sheet

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