Yes, it is possible to install two smaller air conditioning (AC) units in one large room instead of using one large unit. This approach is known as "multi-split" or "multi-zone" air conditioning. It involves installing multiple indoor units connected to a single outdoor compressor or condenser unit.
There are several advantages to using a multi-split AC system:
Zoning: With two separate units, you can create different temperature zones within the same room. This allows for more precise control over the cooling in different areas, providing greater comfort for occupants.
Efficiency: In some cases, using multiple smaller AC units can be more energy-efficient than running one large unit. This is because you can cool only the zones that need it, rather than cooling the entire room uniformly.
Flexibility: Multi-split systems offer more flexibility in terms of installation. You can place the indoor units in different locations within the room, optimizing airflow and aesthetics.
Redundancy: If one unit fails, the other unit can still provide cooling, ensuring that you won't be left without air conditioning while waiting for repairs.
Installation Ease: Installing two smaller units might be more manageable than dealing with a single large and heavy unit, especially in cases where space or access is limited.
However, there are some considerations to keep in mind:
Cost: The upfront cost of installing multiple AC units may be higher compared to a single large unit, mainly due to the need for additional indoor units and refrigerant lines.
Aesthetics: While multi-split systems can provide more flexibility in placement, some people might find multiple indoor units less visually appealing than a single unit.
Maintenance: You'll need to maintain and service multiple units, which could result in slightly higher maintenance costs compared to a single unit.
Space: Make sure there is enough space to install the multiple indoor units without obstructing pathways or causing other issues.
Ultimately, the decision to use two smaller AC units or one larger unit will depend on factors such as the specific cooling requirements, budget, available space, and personal preferences. It's best to consult with HVAC professionals to assess your needs and determine the most suitable system for your particular situation.