ICP N4H336AKE100 split-system air conditioner Parts

A 36,000 BTU (3-ton) central air conditioner like the Icp N4H336AKE100 typically cools about 1,500 to 2,000 square feet in an average, well-insulated home. The exact coverage depends on insulation, ceiling height, sun exposure, windows, and local climate; use the sizing guidance in the installation guide.

Typical coverage ranges (what changes the number)

Most 36,000 BTU systems land in this range, but real-world load can push it up or down:

• 1,200 to 1,500 sq ft: hot climates, lots of west-facing glass, poor insulation
• 1,500 to 2,000 sq ft: average insulation, typical ceiling heights, moderate sun
• 2,000 to 2,300 sq ft: cooler climates, excellent insulation, shaded windows

Quick sizing check (rule-of-thumb table)

Use this as a fast estimate; a proper load calculation is always best.

Home condition	Approx. BTU per sq ft	36,000 BTU estimate
Efficient, shaded, tight envelope	15 to 18	2,000 to 2,400 sq ft
Average insulation and windows	18 to 22	1,600 to 2,000 sq ft
Leaky, high sun, older construction	22 to 30	1,200 to 1,600 sq ft

Why “right-sized” matters

An oversized system can short-cycle (less dehumidification, more wear), while an undersized system can run constantly and still miss the thermostat setpoint. Correct sizing improves comfort, humidity control, and energy use.

Installation details that affect performance

Even with the right BTU size, installation choices can change how well the system cools:

• Keep required outdoor-unit clearances for airflow and service access
• Keep the unit level so the compressor operates correctly
• Follow line set limits; long runs can require special practices
• Charge refrigerant using the method specified for the metering device (TXV vs. piston)
• Verify charge only under the recommended indoor and outdoor temperature conditions

For the model-specific installation limits and charging guidance, follow the installation guide.

Last updated: February 2026

For a 4,000 sq ft home, a new central AC system typically costs about $10,000 to $20,000+ installed. The final price depends on required cooling capacity (often 4 to 5 tons, sometimes two systems), efficiency rating, ductwork condition, and electrical or refrigerant-line upgrades; see the installation guide for installation requirements that can affect labor.

What drives the price most

• System size (tons/BTU): Larger homes usually need higher tonnage or two smaller systems for comfort.
• Ductwork and airflow: Leaky, undersized, or damaged ducts can add major cost.
• Efficiency level: Higher-efficiency equipment costs more up front but can reduce operating cost.
• Electrical work: New disconnects, wiring, or circuit protection may be needed.
• Refrigerant and line set work: Reusing or replacing refrigerant lines can change labor and materials.

Typical cost ranges (installed)

Scenario	What’s included	Typical installed cost
Equipment swap (existing ducts OK)	Outdoor unit plus indoor coil, basic labor	$10,000 to $15,000
Full system replacement	Outdoor unit, indoor coil, more labor and setup	$12,000 to $20,000+
Two-system or zoning approach	Two outdoor units or zoning controls, more ductwork/labor	$18,000 to $30,000+

Model-specific notes for Icp N4H336AKE100 installs

Our Icp N4H336AKE100 split-system outdoor unit installation requirements can add labor time and materials. Common examples from the install guidance include:

• Clearances for airflow and service access (including space above the unit)
• Mounting pad or rooftop platform requirements
• 208/230V, 60 Hz single-phase power and copper conductors
• Proper grounding and correct circuit protection per the rating plate

Why it matters

If the system is undersized, you can get long run times, humidity problems, and higher bills. If it is oversized, you can get short cycling and uneven temperatures. Correct sizing and installation details often matter as much as the brand.

Last updated: February 2026

International Comfort Products (Icp) is a manufacturer that builds central air conditioner and heat pump equipment that is sold under multiple brand names. For your Icp N4H336AKE100 split-system air conditioner, the exact badge on the cabinet can vary by distributor, but the underlying manufacturer is Icp.

Common brand names you may see on Icp equipment

These are widely used Icp family brands in residential HVAC:

• Comfortmaker
• Heil
• Tempstar
• AirQuest
• Arcoaire
• KeepRite

How to confirm the brand for your specific unit

We recommend matching the name on the outdoor unit data plate to your paperwork so you order the right parts for model N4H336AKE100.

• Check the outdoor unit rating plate for the brand name and model number
• Match the model number exactly: N4H336AKE100
• Use the parts list for this model when ordering electrical and fan components
• Reference wiring and setup details in the installation guide

Why it matters when ordering parts

Icp brands often share platforms, but parts can still differ by model and series. Using the exact model number helps ensure correct fit and safe operation.

What you’re checking	Where to look	What to match
Brand badge	Outdoor cabinet	Comfortmaker, Heil, Tempstar, etc.
Model number	Rating plate	N4H336AKE100
Electrical controls	Control box	Contactor, defrost control (if equipped)

Parts you might see listed for this model

If you are troubleshooting or replacing common outdoor-unit components, these examples are available for N4H336AKE100:

• Central air conditioner contactor 1172472
• Central air conditioner condenser fan blade 1172713
• Central air conditioner heat pump defrost control 1173637

Last updated: February 2026

For the Icp N4H336AKE100 split-system air conditioner, Icp replacement parts are supplied through HVAC distribution channels (dealer and distributor networks) and are also available as model-matched replacement parts through Sears PartsDirect. Use the parts list for your exact model to ensure correct fit and electrical ratings.

Best way to get the right Icp part for your model

Because “Icp parts” can vary by series and revision, we recommend matching by model number first, then confirming the part function.

• Confirm the full model number: N4H336AKE100
• Use the exploded parts list for the outdoor condensing unit
• Cross-check the part description (contactor, control board, fan blade, etc.)
• Verify electrical specs (voltage, coil rating, terminals) before ordering
• Follow the safety and service guidance in the installation guide

Common Icp outdoor-unit parts people replace

These are typical wear or failure items on a central air conditioner or heat pump outdoor unit; availability varies by model.

Part type	What it does	Example on this model page
Contactor	Switches high-voltage power to the compressor and fan	Central air conditioner contactor 1172472
Defrost control	Manages defrost cycle on heat pump configurations	Central air conditioner heat pump defrost control 1173637
Condenser fan blade	Moves air through the condenser coil	Central air conditioner condenser fan blade 1172713

Why it matters

Using the correct supplier channel and matching parts to N4H336AKE100 helps prevent miswiring, nuisance failures, and performance problems. The installation literature also calls out that service and installation are intended for qualified technicians using proper tools and test instruments.

Last updated: February 2026