Top Mistakes To Avoid When Installing A New Aircon

By Author: Coolcare
Total Articles: 12
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Aircon Installation
Installing a new AC unit is a significant investment for any homeowner, and the installation process must be done correctly to ensure the system works efficiently and lasts for years. While it may seem like a straightforward task, many common mistakes can compromise the unit’s performance, leading to costly repairs and higher energy bills. Here are the top mistakes to avoid when installing a new air conditioner:
1. Choosing the Wrong Size Unit
One of the most common mistakes when installing an AC is selecting the wrong size unit. An AC that’s too small for the space will struggle to cool the room efficiently, resulting in higher energy consumption and wear on the system. On the other hand, an oversized unit will cool the room too quickly without properly dehumidifying it, leading to discomfort and inefficient operation. View more
To avoid this mistake, ensure that the air conditioner’s capacity matches the size of the room you intend to cool. Professionals typically use a calculation known as a "Manual J load calculation" to determine the proper size based on factors like room ...
... size, insulation, sun exposure, and more.
2. Improper Placement of the Unit
Where you install the aircon plays a significant role in its performance. If the unit is placed in an area with poor AC circulation, such as near a heat source or in a corner, it will struggle to cool the room effectively. Likewise, placing the outdoor condenser unit in a location that’s too shaded or blocked by debris can reduce airflow and cause the system to overheat.
For maximum efficiency, place the indoor unit where airflow is unrestricted and near the center of the room. The outdoor condenser should be installed in an open space with adequate ventilation, away from obstacles like bushes or fences.
3. Neglecting to Properly Seal Ductwork
Leaky ductwork is a hidden culprit that can reduce the efficiency of your air conditioning system. If the ducts are poorly sealed or insulated, cool air will escape before it reaches the intended areas. This leads to uneven cooling, higher energy bills, and potentially long-term damage to the system.
Before installing your new aircon, make sure that all ducts are sealed and insulated properly. If you’re replacing an old system, it’s a good idea to inspect and replace any damaged ductwork as part of the installation process.
4. Ignoring Proper Electrical Connections
Aircon requires a dedicated electrical circuit to operate safely. Failing to install the correct circuit breaker, wiring, and electrical components can not only cause system malfunctions but also pose significant safety risks, including electrical fires.
Make sure your electrical connections are installed by a licensed electrician who understands the power requirements of your specific air conditioner model. It’s important that the electrical system is up to code to prevent any hazards.
5. Improperly Installing the Drain Line
The aircon produces condensation as it cools the air, and it must be properly drained away from the unit. An improperly installed drain line can result in water pooling inside the unit, leading to mold growth, water damage, and potential system failure.
Ensure the drain line is installed with a slight downward slope to allow water to flow freely out of the system. Check the line for any clogs and clean it regularly to prevent blockages that could lead to water damage.
6. Not Getting a Professional Installation
Some homeowners may be tempted to install the aircon themselves to save money. While it’s possible to install a window or portable AC unit without professional help, central air conditioners and larger systems require specialized knowledge and tools. Attempting a DIY installation can lead to mistakes that reduce the efficiency of the system and may even void the manufacturer’s warranty.
To ensure a smooth, correct installation, hire a licensed HVAC professional. A certified technician will have the skills and experience to handle all aspects of the installation, from sizing and placement to electrical and ductwork connections.
7. Failing to Consider Energy Efficiency
With energy costs continually rising, selecting an energy-efficient aircon is crucial. Many people overlook the energy efficiency rating of the unit when making a purchase, opting for cheaper models that cost more to operate in the long run.
Look for units with a high Seasonal Energy Efficiency Ratio (SEER) rating, as these are designed to use less energy while still providing effective cooling. While energy-efficient units may cost more upfront, they can save you significant money on your utility bills over time.
8. Not Regularly Maintaining the System
Even though maintenance isn’t part of the installation process, it’s crucial to understand that regular upkeep is necessary to ensure your new AC operates efficiently. Failing to schedule annual maintenance checks, such as cleaning the coils and replacing filters, can lead to decreased performance and a shorter lifespan for the unit.
Before installation, ask your HVAC technician about a maintenance plan to keep your air conditioner running smoothly. A well-maintained system will save you money on repairs and extend the life of your aircon.
Conclusion
Installing a new AC is an exciting but challenging process that requires attention to detail. By avoiding these common mistakes—such as choosing the wrong size unit, improper placement, ignoring ductwork sealing, and neglecting electrical and drainage considerations—you’ll ensure that your air conditioner performs optimally and provides reliable comfort for years to come. Always consult a professional for proper installation and regular maintenance to get the most out of your new system.
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