Why New A/C System Efficiency Depends on Quality Installation

It does not matter how much money you spend on an air conditioning unit, or how top-dollar that unit may be if it is installed improperly. Air conditioning units are tested by the manufacture under ideal operating conditions. That means the size of the air conditioning unit matches the space it is conditioning, ducts are the right size to facilitate proper airflow, and refrigerant levels match the conditioner's usage. 

Quality installation requires expert knowledge, and without it you could end up spending considerably more money than you need to, for an amenity that does not function as it should. An inefficient air-conditioning unit wastes energy and hardly gives desired output. 

Unit Size

First and foremost, a quality installation is dependent on the unit size. 75 percent of air conditioning problems can be resolved by the correct method of installation in combination with the right-sized air conditioning unit.

In fact, it's better to have a unit that's too small than one that is too large. An over-sized unit will increase energy consumption and wear out the functional parts of the air conditioning unit. With improper size and installation, comes an increase in humidity, which can be damaging to the property where the unit is installed, and to the unit itself. 

Professional installers have a variety of software which can measure conditions in a prospective household or building, and specify the correct sized unit.  Manual J software takes into account the load an AC unit needs to accommodate, and makes a suggestion accordingly. It's good to work with installers who understand the software involved in cooling-load application, because then they'll have a more exact recommendation to make a quality installation possible.


The next item to consider is accompanying ductwork. 

There is a software called Manual D which calculates varying needs based on a property's existing ductwork.  If the ducts are too large, it's impossible for the airflow to be strong enough for efficient cooling. If the ducts are too small, then excessive noise can become as much a problem as excessive heat. 

The integrity of the ductwork needs to be considered as well. For instance, can it properly handle the requirements of the AC unit? Quality installation requires solid ductwork calculation, and this only comes from the professionals. 


Unit size and ductwork influence the third factor, airflow. 

If the unit is too large, and the ductwork too small, then the air conditioning unit itself will break down faster over time. Airflow across the condenser coil has to meet factory standards, otherwise extant heat will damage the system. Quality installation provides a unit which matches ductwork, and the volume of air which needs to be cooled in a given space.

Refrigerant Levels

Finally, refrigerant levels in the air conditioning unit must match the previous three factors. 

It needs to be in harmony with the size of the unit, the ductwork used to spread the conditioned air, and the airflow across the unit's condenser coil.  It is also of paramount importance that the machine is properly cleaned and maintained, or corrosive factors over time will affect the unit in the same way that incorrect refrigerant levels degrade a unit. Quality installation takes all these items into account when selecting a new unit to install. Whether your unit is for a home, office, or place of business, quality installation can save time, money, and sweat.  Summer months can melt you, but if you can't escape the heat, it can affect you negatively. 

Don't let the burning need for AC overcome reasonable, quality installation. It's time to beat the heat!

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