Whenever you have a problem with your HVAC system, you should immediately realize that your system needs repair or you should consider a complete HVAC system replacement.
When making a decision, you should always consider your financial situation and decide whether you want to continue spending money on improving the HVAC system you currently have or investing in replacing the HVAC system with a completely new system. Heating, Ventilation, and Air Conditioning design is a sub-discipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer.
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Newer systems mean greater efficiency, but you should only save on replacement as a last resort after your current system has failed several times in a short period of time.
There are several factors that you need to consider to determine if you need to modify or simply repair your HVAC system. Here are a few factors that mean it's time to revamp your HVAC system:
An air conditioner or heat pump is more than a decade old: When your radiator is ten years old, you need to upgrade it with more energy-efficient devices and save on heating and cooling bills. The boiler or furnace has more than fifteen years of service life: both boilers and stoves are big consumers of energy. By installing an energy-efficient boiler/stove, you can guarantee that you will save almost fifteen percent on your energy bill.
There is an uneven distribution of heat in your living room/work area: improper operation of the system may be due to ducting problems or insufficient insulation.
You have a lot of dust in your home: Leaky ducts are the cause of excess dust. This is because leaky ducts tend to draw in particles and air from confined spaces.