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Heating, Ventilation and Air Conditioning


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Heating, Ventilation and Air Conditioning

The Australian summer can get very hot indeed and the winters can also get pretty chilly. That is why most homes and businesses rely on an HVAC system to keep the indoor climate feeling pleasant. However, if you don't understand how to get the most out of the HVAC system, you could be missing out. This blog is designed to provide you with some top tips which will ensure you understand how your HVAC system works and how to configure and maintain it. While none of us is a professional contractor, we are all keen amateurs who love to research and write about this subject.

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How to Determine the Number of Zones for Your Split System

A split system for cooling (or a reverse-split system for both cooling and heating) is an efficient way to keep your home more comfortable during hot weather. It lacks the ducts that central systems have, which reduces air leaks and conserves energy. Split systems use an outdoor compressor linked to one or more cooling units inside the home. While some people prefer mini-split systems that pair one compressor with one cooling unit in one room, others may want multi-split systems that allow different people in the home to control different units. When you install a multi-split system, you need to decide how many zones (basically, how many interior cooling units) the home will have and where they'll go.

How Many Storeys Is the Home?

Each floor of a home should be its own zone, meaning that if you have a two-storey house, you'll have one cooling unit on each floor at a minimum, even if both are linked to one compressor outside. Even if the home's floors are technically open to each other (such as ones you'd find in a loft-style home), the space is big enough that one cooling unit upstairs may not be strong enough to cool the entire space efficiently.

How Many Sections of the Home Are Under One Person's Control?

If you have a house with multiple bedrooms and bathrooms and more than one person living there, who has control over which areas of the house? For example, someone who has their own bedroom plus an ensuite bathroom and a connected study room can close off all three of those from the rest of the house with one door (or two, if the study room has its own door in addition to the connecting door). That area should likely be one zone. If the kitchen and living room can be closed off from the rest of the house, that should be another zone. The main section of the house that includes the area by the front door plus an open living area should be another zone. Multi-split systems usually allow a maximum of seven or eight cooling unit connections.

Who in the Home Disagrees About the Temperature?

Another factor is how much disagreement there is in the home about temperature and how different the non-cooled temperature is from place to place. Two people in two bedrooms on the east and west sides of the home may have similar temperature preferences, but the person in the west-side room will get more heat during the afternoon in summer and may need more cool air. That person would benefit from having their own cooling unit, even if the person in the east-side bedroom has no temperature complaints.

When you begin the process of having a split system installed in your home, speak with the contractors about the best places to put the units that send cool air into the room and what the contractors will need to do to run all the necessary wiring. The final plan should allow everyone in the home to feel comfortable.

Keep these tips in mind when looking for split-system installation services near you.