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Cornwall, ON

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When Should You Replace Your HVAC System?

The comfort of your home depends on its HVAC system. HVAC systems have a certain lifespan, and as they become older, their efficiency decreases. After several attempts at AC repair in Cornwall, they will eventually need to be replaced with an updated unit.

How to Determine If a New Air Conditioner is Needed and What to Look For?

  • Your Equipment’s Age

Both furnaces and air conditioners made today have an average predicted lifespan of 15 to 20 years. If your heating and cooling systems are nearly 15 years old, replacing the complete HVAC system at once may make sense.

The heating system (furnace or heat pump) and the cooling system (air conditioner) share many components, including the blower and the air duct system. As a result, removing and replacing all of your equipment may be more efficient and less time-consuming.

  • Repair Costs More Than a New System

If your present system is older than 10 years and you’re unclear whether to repair it or replace it, you should replace it; purchasing a new system will be a better investment than either repair or replacement.

An air conditioning system will inevitably require maintenance or repair at some point; however, if the cost of AC service in Cornwall exceeds fifty percent of the cost of a new air conditioner, it would be more prudent to acquire a new system.

  • Inadequate Indoor Air Quality

Suppose you are having difficulty maintaining a high level of air quality in your house. In that case, this could be a good reason to replace your entire HVAC system.

Many modern HVAC systems can incorporate extra components, such as air purifiers and dehumidifiers. This technology enables your heating and cooling appliances to do the additional chores associated with enhancing air quality.

  • Inconsistency of the Temperature

Due to the old age of the system, its power will steadily decline. This system will not keep a constant temperature in your home. If the temperature makes you uncomfortable, there may be a problem that could require AC repair in Cornwall.

  • Strange Sounds

If you’ve been hearing strange sounds that differ from what you’re accustomed to hearing, you should seek medical attention.

Additionally, keep an eye out for any unusual odors. Turn off the machine and pay close attention to any odors. You should contact a professional to have your HVAC system inspected.

  • Frost Forming on the Heat Pump

Frequent issues include frost and frozen coils. It may occasionally occur if the unit is exposed to shallow temperatures throughout the winter. If the heat pump has frozen over multiple times or freezes frequently, it may be nearing the end of its useful life.


It is not always straightforward to decide whether to repair or replace an air conditioner. An expert from Wylie Mechanical can tell you whether or not it is time to replace your old air conditioning unit with a more modern one. By increasing the insulation, it may be possible to increase the system’s efficiency. Get in touch today for the best advice.