5 Signs You Need To Replace Your HVAC System

April 27 2023

James Patten


A HVAC (heating, ventilation, and air conditioning) system is responsible for heating and cooling a building and dependant on the businesses needs, HVAC units can take many shapes and sizes.

Now there’s no getting away from it: at some point, your heating, ventilation, and air conditioning system is going to need replacing. Commercial HVAC systems will give a few tell-tale signs that they are nearing the end of their working life. Read on to find out what these signs you should be looking out for are.

1. An unusual increase in your energy bills

Sadly, these days it’s a fact that energy bills are rising more often than not. However, if you notice an unusual increase in your energy bills and you have an old HVAC system, it’s quite likely the system is to blame.

No matter how well-maintained the heating, ventilation, and air conditioning system is, as time goes by it will naturally lose some of its efficiency, due to a build-up of dirt, corrosion, and the general wear and tear an HVAC system sustains in its life time.

Getting regular maintenance for your heating, ventilation, and air conditioning system from professional heating engineers will go a long way towards increasing its lifespan. However, if it reaches the point where it needs extensive and expensive repairs, getting the entire system replaced might be the better investment.

2. Your HVAC system is making loud noises

A correctly functioning HVAC unit should run fairly quietly. Loud noises coming from within your commercial HVAC system are a clear sign that all is not as it should be. These sounds could range from:

  • the furnace groaning and banging
  • noise before the air conditioner starts up
  • the blower motor humming extremely loudly
  • the outdoor unit making more noise than usual

Rule out other issues that could be causing these noises, such as something trapped in the fans, or a more serious issue with the cooling fluid. If a simple fix doesn’t cure the loud noises, it’s likely your system is simply old and in need of replacing.

3. It requires a lot of repairs

Regular maintenance is a standard part of having a functioning commercial HVAC system, and it’s natural for occasional repairs to be necessary as your unit gets older.

However, if you notice that your HVAC system is beginning to require a large number of repairs every time maintenance is performed, or if these repairs are becomingly increasingly tricky and expensive – it might be time for an upgrade.

4. Uneven temperatures throughout your premises

If your HVAC unit is struggling to maintain a consistent temperature across your premises – the very purpose you bought it for – chances are it needs replacing.

If your system is struggling to keep your business at a constant temperature, it could indicate that the air conditioning unit is not powerful enough. A modern HVAC system with a newer air conditioning unit will have the capacity to consistently and efficiently maintain the temperature inside your premises.

5. Your HVAC system is running constantly

Whilst your system might run more than unusual in certain cases – such as in summer when the hot weather kicks in – if you’re noticing it running near constantly, this is definitely a sign that something’s up.

An HVAC system that’s running constantly has lost its efficiency, and takes increasingly longer to achieve the temperatures that you desire. This is to be expected as a unit gets older, but as time goes by your energy bills will take more and more of a hit from running an inefficient HVAC system. Save yourself the financial headache by purchasing a newer, more efficient unit.

Start reaping the benefits of replacing your HVAC system today

Though it may seem like quite a task, replacing your older heating, ventilation, and air conditioning unit with a new model offers plenty of advantages. You’ll see a reduction in the energy costs of running a more efficient, modern unit, and a decrease in the number of repairs a newer model needs.

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