Firstly, what does HVAC stand for? Quite simply – Heating, Ventilation, and Air Conditioning. There are systems that heat and cool small homes and industrial systems that service apartment blocks and large office buildings and beyond. A good quality system will provide indoor comfort and thermal control.
Typically, industrial HVAC systems are those with the big boxes you see on the top of a building. These are used in apartment blocks, offices, industrial buildings, and skyscrapers. HVAC helps keep the temperature right as well as maintaining an acceptable humidity level.
HVAC costs generally account for around half of the energy people use within their homes (and offices). This is why it is so important for businesses to make the right decision about their HVAC system. It is required to meet the comfort needs of employees without drawing too much power.
The Available Choices
If you are in a cold environment (or a hot one) you may choose to opt for a single system that will produce the temperature you most need. There are more affordable, however, they are not as efficient as they work at capacity most of the time.
Advanced units provide varying fan speeds which can help reduce power usage, though compared to a multi-stage HVAC system these are inefficient and more expensive.
Zone systems were designed to cool specific areas of a building or home. This works by creating zone valves within the vents and ductwork with dampers that can block airflow to certain areas of the home. Essentially, diverting it to the one (or more) areas and cutting off areas you don’t want to heat or cool. When it comes to industrial HVAC, this is real value as you can easily heat/cool the important areas at the right times without wasting your energy elsewhere.
HVAC systems also provide control over humidity levels – dehumidifiers and humidifiers can be included within the HVAC system, which is helpful for those living in specific environments.
HVAC doesn’t need to be a mystery, it’s an everyday part of life. Anyone who owns and operates a system should have a basic idea of how it operates as this will allow them the ability to make wise decisions.
Heating – the heating aspect of the system produces hot air either through a radiant heat system or a forced air system. In any system, a central source creates the heat and evenly distributes it.
Forced air – a furnace heats the air and disperses it through the ductwork and vents in each room.
Radiant heating – a boiler disperses heat through hot water tubing or electric coils that are installed in the ceiling or flooring.
Geothermal heating – this is all about solar power maintaining a constant temperature through the use of a heat exchanger.
Ventilation – your indoor air quality matters and the ventilation aspect of your system helps to purify the air, circulate it, and control moisture. Every system does this differently. The forced air systems rely on an air filter – if your home does not use this system you can use a dehumidifier/humidifier.
Air Conditioning – in the warm months, your AC will keep you cool. Again, there are different types just as with heating. You may have a window unit, a portable one, ductless or split. They all do the same job, though. Industrial AC tends to be zoned for the most efficient operation possible.
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