Many of our customers expect that hydronic heating will be a lot less noisy than reverse cycle air conditioning or rattling gas heating but most are pleasantly surprised that there is no background noise whatsoever.

There are several reasons why hydronic heating is so quiet

Firstly, it doesn’t use a lot of mechanical components so there is no clicking of motors turning on or off, or the noise of air blowing around the room. The system works using a boiler to heat water, which is then moved silently through a closed loop network of pipes that heat a physical ‘mass’, such as a radiator or a concrete slab floor.

Secondly, because you are not forcing water through the pipes at any great pressure, you are getting an inaudible gentle and slow movement of water throughout your house. There is no loud boom of a furnace turning on or blowers or fans running constantly.

In addition, pipes are thermal insulated to limit the noise factor.

While your household water supply generates noise when water connects with a solid object, such as water from a tap hitting a sink or shower recess, the water for hydronic heating remains quietly locked inside a closed loop system meaning you remain blissfully unaware of any movement.

Eliminating the Air Noise

Today’s hydronic heating systems are a far cry from the rattling, banging, hissing central heating systems that you may recall seeing in old British or American movies.

As these were open heating systems, air would be able to enter the system causing knocking, and it was common practice to hit them with a spanner to try to remove the air from the pipes and stop the cacophony.

Modern hydronic heating is based on a closed loop system, which ensures that air can no longer enter the system so it remains whisper quiet.

In the past, much of the noise was also a result of the use of galvanised steel or copper pipes that would expand and crack and creak. These days, instead of rigid materials, we use piping made from cross-linked polyethylene (PEX) which is resistant to corrosion and flexible enough to expand and contract without any crackling noises.

We are also extremely lucky in Sydney to have an exceptionally high water quality, which means there is little calcification that can clog pipes and result in extra noise.

Maintenance is Key

While hydronic heating systems are exceptionally low-maintenance and reliable, occasionally over time a boiler may emit a low hum, which can be easily fixed through adhering extra insulation.

We recommend an annual service to ensure that your hydronic heating system is at optimal working order so that you can continue to experience a comfortable clean heat with the bonus of peace and quiet at all times.

If you are interested in finding out more about the quiet operation of hydronic heating as well as its many other benefits, contact Brinlex Heat now.