September 6, 2017

Clear all your HVAC doubts with AAG Engineering Technologies

HVAC DoubtsHVAC  systems are an important aspect of every building. They affect the comfort of occupants and energy consumption of the building significantly. Occupants face many heating and air conditioning questions as they get to know their systems, troubleshoot them, and work to conserve energy. These HVAC doubts have raised concerns in many occupants minds.

AAG Engineering Technologies holds the answers to many common heating and air conditioning questions. We have easy to understand answers regarding your building’s HVAC doubts.

Below, are the answers mentioned to the most common heating and cooling questions we face from occupants just like you.

How Can Energy Costs be saved?

There are various ways through which you can save on your energy costs.

Here are few suggestions:

  1. It is most important to upgrade your heating and cooling system to a highly upgrade to a highly efficient system.
  2. Home owners can adjust the temperature when you will be gone for more than a couple of hours.
  3. Utilize ceiling fans so as to move the air around.
  4. Change the furnace filters regularly.
  5. Annually perform maintenance of your systems to ensure efficient performance.
  6. Install a programmable thermostat.

Does a Bigger Heating or Cooling System Offer Better Performance?

No! In fact, it is crucial that the size of the system should be in accordance with the building’s square footage. An air conditioner/furnace that is too large will cool/heat your home faster than an adequate sized one, however, it will operate under “short cycles” causing the system to start and stop more often, increasing your electricity costs exponentially. A system that is too small will run continuously; overexerting itself to reach the desired temperature, which will also have an adverse effect on your electricity bill. In the long run, short cycling or running continuously can also shorten the life of your system.

Sometimes is it best to repair or replace it?

The answer for this HVAC doubt depends on if your system is 7 years older or requires frequent repairs then it is better to replace it. Also, if the system stops working altogether or fails to heat or cool areas of your home then it is preferable to buy a new one. Another situation in which it will save you money to replace it is if the system runs excessively or constantly turns on and off that is if it runs on short cycles. All of these options will result in high electricity or contractor bills which lead to the conclusion that it would be a more economical choice in the long run to replace your current system.

How Often Do Air Filters Need to Be Changed?

This is a very common HVAC doubt that occupants mostly have. It depends on a variety of factors since every air filter and every air conditioning systems are different.

  • On an average, 1″ disposable filters should be changed every 1 – 3 months.
  • If you have a thick, high-efficiency furnace filter, it could last anywhere from 6 months to a year.

Manufacturer’s recommendations should be referred when it comes to filtering replacement schedule. The timing of furnace filter replacement also depends on

  • The type and efficiency of your filter
  • Whether you have pets or smokers in the home
  • Any allergy or asthma conditions within your family, and other factors.

To be safe, set a reminder to check your filter at least once a month and don’t wait any longer than the manufacturer’s recommended schedule to replace your air filter.

How Long Do HVAC Systems Last?

Ideally, HVAC system last anywhere from 15-25 years depending upon how well routine maintenance has been performed. These measures include the preventative maintenance and service you perform on your system and a qualified technician performing at least twice in a year inspection. If all these measures are performed regularly then ideal life expectancy can be easily achieved.

Find a Qualified Technician to Answer Your Heating and Air Conditioning Questions

A professional HVAC contractor is another great resource to obtain answers to all your HVAC doubts. Hence, it is essential to have a trusted skilled HVAC contractor.

AAG Engineering can provide you such proficient and trustworthy contractors who can answer all your HVAC doubts. We not only offer you HVAC system that best suits your requirements but can also provide you maintenance related facilities for equipment’s entire life span.

Contact our sales representatives at or visit our website at

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