Air Conditioning
Compare 1 Air Conditioning parts from manufacturers including Emerson, with live price tracking and alerts.
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Filter in catalog →Frequently asked questions
What is the cooling capacity of the Emerson IS503?
Based on 1800W power consumption, the IS503 provides approximately 5,000-6,000 BTU cooling capacity, suitable for rooms up to 150-200 square feet.
Can the IS503 be installed in any window?
The unit is designed for standard windows. The 24-inch width fits most residential windows; verify your window dimensions before installation.
Is this unit still available for purchase?
The IS503 is a legacy model and may be discontinued. Availability varies by reseller; check current inventory before ordering.
What electrical outlet is required?
The IS503 requires a standard 120V, 15-amp electrical outlet. Do not use extension cords for permanent installation.
What maintenance is required?
Regular filter cleaning every 2-4 weeks and coil inspection annually ensures optimal performance and efficiency.