Last Updated on May 21, 2024 by Ali Hamza

What is a HVAC system?

Heating, ventilation and air conditioning, commonly termed as HVAC system, uses a bunch of technologies to keep in control the temperature, humidity and air purity in a constricted space. Its aim is to release thermal comfort and improve the quality of indoor air. Sometimes, ‘refrigeration’ is added with the trio to form the acronym HVAC&R or simply HVACR.

The main functions of the HVAC system are related to each other, especially the one that implies providing thermal comfort and better air quality indoors with reasonable costs. The system is used in domestic and commercial spaces and can help maintain a good pressure relation between spaces. The process of delivery of air and removal of air from spaces is termed ‘room air distribution’.

Installing an HVAC unit and maintaining it is a difficult task. There are also times when you need to replace it due to a longer period of time passing or wear and tear of the parts, so there are professionals who can help you do so. This article, however, doesn’t discuss the process of installing the HVAC unit as much as it does with replacing it. Post discussing when is the best time to replace your HVAC unit, we will talk about HVAC Repair, Orange County CA and HVAC Repair, Orange County.

signs that it’s time to upgrade your HVAC system.

  1. Your AC system is at least 10 years old: You need to replace your HVAC system every 10 to 15 years. While modern air conditioners may be durable, their components of importance deteriorate after 10 years depending on use and maintenance.
  2. Repairing the system costs more than buying a new one: Purchasing a new system is a better investment because if your system needs a repair that is more than half the cost of purchasing a new one, you might as well just buy the new one.
  3. Your home is always at a fluctuating, uncomfortable temperature: An old system will surely struggle to maintain a consistent temperature because of issues like a damaged thermostat, a thermostat that is inaccurate, low levels of fluid or damage to the motors. Your HVAC system needs to be replaced if your temperature is still unreliable.
  4. You’ve noticed more collected dust in your house: If you notice more amounts of dust in your house, it means that your HVAC system is unable to provide better air quality by removing dust and debris. It’s probably time to replace it.
  5. Odd smells: An odd smell from the system may just be dust burning off, but you will need to have it inspected because it could be a wire melting, mold or any other serious damage causing reason.
  6. Unusual sounds: As individual components deteriorate, you may notice sounds like squealing, grinding, creaking; this means you need an inspection as soon as possible.
  7. Poor air quality: During summers, your HVAC is the most important factor in keeping indoor air quality stable and clean. If you notice mold, mildew, dust or wobbly humidity levels, it’s best to get the system replaced.

HVAC repair , Orange County, Ca.

Before concluding the article, we will discuss a few places of HVAC repair, Orange County. First in the list of places for HVAC repair, Orange County, is Orange County Plumbing, Heating and Air Conditioning; they deliver first class service and use updated and efficient equipment for all repairs.

Another name in the list of contractors for HVAC repair, Orange County, Ca, is Saddleback Plumbing, heating and Air. They acknowledge the importance of proper working AC systems and have been professional AC contractors for more than 30 years now.

The last in this list is ALL PRO AIR. It is a company that employs high trained professionals to provide the best service in Orange County. They specialize in designing, engineering and installing AC units and always have a bright attitude. If a mistake is made anywhere, they do everything they can to get it fixed for you without any hassle. They are very upfront about the cost of service and provide lengthy explanations and details about the appliance and also tell you if there are any limitations or better options you could refer to. They also have an exclusive written guarantee of their work.

Maintaining your HVAC unit.

Now that you’re aware of a few great places to go to for installing or servicing your HVAC unit, there are also a few things you can do for maintenance.

  1. Change your filters every 1 to 3 months, especially if you have allergies or any pets at home.
  2. Clean the condensing unit of the AC with a water hose and make sure you don’t use a pressure washer because it could cause permanent damage.
  3. Keep an eye out around your house for trees or bushes releasing excessive pollen; it can cause clogging of condensing units.
  4. A HVAC system is responsible for removing moisture from air; the drain lines direct this moisture outside the house. Over time, these drain lines can get clogged because of collection of dust and debris and this may even lead to the growth of algae. So, make sure you’re periodically cleaning your drain lines.
  5. Have regular annual professional check-ups. It goes without saying that maintaining your HVAC won’t just save you money on electricity, but it will also prevent breakdown of equipment. Make sure that your HVAC unit undergoes thorough, regular checks from experts to use the HVAC in its full efficiency and to avoid any disastrous events.

In case you feel that the above steps are not something that you can do on your own or you’re unsure of how to go about it, make sure you refer to a professional service to avoid any other long-term hassle.


HVAC systems are very important to the maintenance of your house; scheduling routine inspections and following through and correcting minor problems will help increase the lifespan and efficiency of the system. It will have less problems and help save money and avoid hassle. However, at times, there’s only so much you can do for the maintenance of the system and you’ll have to replace it since there’s no other option left. The price of fixing HVAC system damages is anyway off the roof, so if there’s an opportunity where you have to decide between fixing the system or replacing it, it’s best recommended to replace it.

Apart from this if you are interested to know more about Extensive Guide About HVAC then visit our Home Improvement category