What is Hydronic Heating?

Hydronic heating has two major components: the boiler and thermostat controller.

The boiler is the ‘heart’ of a hydronic heating system whereby it is responsible for heating and pumping water through insulated pipes to emit heat from either radiator panels (Radiator Panel Hydronic System) or the concrete floor slab (Under-floor Hydronic Heating).

The thermostat controller is the ‘brains’ of a hydronic heating system whereby it has the ability to sense and set desired ambient room temperature, as well as being programmable to the turn the system on or off whenever one pleases (eg. turning off once after everyone has gone to be bed). The thermostat controller can be wall hung, wireless or able to be set up with a smart device.

What forms of Hydronic Heating do we offer?

The two forms of hydronic heating we offer: Radiator Panel Hydronic Systems and Under-floor Hydronic Heating.

Radiator Panel Hydronic Systems consists of hanging radiator panels whichever room the homeowner desires heat. Each panel will have a two set of insulated pipes connected at either side (left and right or top and bottom connections) conveniently named ‘flow’ and ‘return’.
The flow pipe is connected to the radiator panel with a regulating valve, which controls the flow of heated water from the boiler into the radiator panel. A thermostatic radiator valve can also be used as a replacement of a regulating valve with the added benefit of being able to self regulate; meaning temperatures can set individually, making it ideal for bedrooms.
The return pipe will have a lockshield valve, which controls how much water flows out of the radiator. This is important for ‘balancing the system’ so that all radiator panels heat up at the same rate as possible.
Radiator panels come in all shapes, sizes and colours to suit any home décor. Towels rails are available with radiator panel hydronic systems and are ideal for bathrooms to warm up towels and face washers to be used fresh out of the shower.

Hydronic Slab Heating has very few components compared to the radiator panel hydronic system and consists of laying our pipes along the reinforced steel mesh before the concrete is poured for the structural slab of a new home. The pipes are run in a swirl-like formation so that heat is evenly distributed all throughout the slab and all are connected up to a manifold. The manifold is easily accessible and allows homeowners to turn on or off heating around the house with each channel having their own set of flow and return valves. For under-floor hydronic heating the most suitable floor finishes for the slab are tiles or polished concrete, as they are great conductors of heat energy. Any other kind of flooring like carpet and timber floorboards isn’t recommended.

Benefits of Each System:

Radiator Panel Hydronic Systems

  • Aesthetically pleasing to the eye with their stylish designs.
  • Adds character to the house.
  • Temperatures easy to set and adjust.
  • Warms up home noticeably quicker compared to hydronic slab heating.

Hydronic Slab Heating

  • Minimalist design.
  • Even distribution of heat throughout the house.
  • No need for slippers.
  • Checking to remove any air in the line as air which create ‘cold spots’ where areas of the panel is replaced with air instead of heated water

How do I maintain my Hydronic Heating system?

Regularly servicing your hydronic heating system can make the difference between it running smoothly and efficiently, and the risk of breaking down and incurring an expensive repair or replacement. It is recommended that your system has a minor service every year so that it running optimally.

Some of the checks we perform in a minor service include:

  • Checking to remove any air in the line as air which create ‘cold spots’ where areas of the panel is replaced with air instead of heated water
  • Check pH levels of your water to increase the longevity of your system and to reduce to build up of sludge and rust inside the panels.
  • Checking expansion tank pressures as incorrect pressures can cause damage to your boiler and may result in leaks from the boiler.

In an instance where your hydronic heating system isn’t regularly serviced, your panels will incur a build up of sludge inside the panel. If not addressed the panel will not be operating optimally, meaning longer running time to heat up the home, and increased running costs. In this situation it is recommended your hydronic heating system gets ‘Power Flushed’ where it is connected to a machine with a pump filled with water that contains a solution to help break down sludge and cleans the inside of your system. Once complete your hydronic heating system will be free from unwanted sludge, filled with solution-treated water, and running optimally as if it were brand new. It is also recommended to power flush your system if you’re buying a new boiler for an existing system to prevent any damage to your new boiler from the pre-existing sludge inside the panels.

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