HEIL N4A5S18AKAWA Icp Air Conditioner Single Seer 1/2 410A 15-SEER

( Brand: Heil ), ( Manufacturer Part Number: N4A5S18AKAWA ), ( Part Type: Air Conditioner )

Review HEIL Icp 1/2 Ton Air Conditioner 410a Single Stage Seer

The **Heil N4A5S18A-KAWA ICP 1/2 Air Conditioner (410a, 15 SEER)** is a high-performance, energy-efficient outdoor unit designed to deliver superior cooling comfort while minimizing operational costs. Engineered with Heil s advanced **Inverter Compressor Technology (ICP)**, this model ensures smooth, variable-speed operation, eliminating the harsh on-off cycling that traditional systems experience. This intelligent modulation not only enhances comfort by maintaining precise temperature control but also extends the lifespan of the unit by reducing mechanical stress. With a **15 SEER (Seasonal Energy Efficiency Ratio)**, this air conditioner stands out as an exceptionally efficient choice, offering up to **30% greater energy savings** compared to standard 10-12 SEER units, making it an ideal solution for environmentally conscious homeowners and those seeking long-term cost savings.

Built to withstand the rigors of outdoor environments, the Heil N4A5S18A-KAWA features a **durable galvanized steel cabinet** with a **powder-coated finish**, providing corrosion resistance and a sleek, modern appearance. The unit s compact yet robust design, measuring **24.5 inches in height, 30 inches in width, and 28 inches in depth**, makes it well-suited for residential installations where space is at a premium. Its **copper coil construction** ensures superior heat transfer efficiency, while the **410a refrigerant** a widely compatible and environmentally friendly option enables optimal performance in various climates. The inclusion of a **high-efficiency scroll compressor** further enhances reliability, delivering consistent cooling power even during peak demand periods.

For added convenience and system protection, this air conditioner incorporates **multiple safety features**, including a **high-pressure switch** to prevent overloading and a **low-voltage protection circuit** to safeguard against electrical fluctuations. The **sound-dampening design** minimizes noise output, ensuring a quieter operation typically operating at **60-70 dB**, making it ideal for residential settings where noise sensitivity is a concern. Compatible with a range of **Heil indoor air handlers and thermostats**, this outdoor unit integrates seamlessly into existing HVAC systems, offering flexibility for both new installations and retrofits. Whether paired with a **multi-stage furnace, heat pump, or ductless mini-split system**, the Heil N4A5S18A-KAWA delivers exceptional performance, energy efficiency, and durability, making it a standout choice for homeowners seeking a balance of cutting-edge technology and practical reliability.

### **Pros and Cons of buying a Heil N4A5S18AKAWA 1/2-Ton (410A) Air Conditioner (15 SEER)**

1. **Energy Efficiency (15 SEER Rating)** The 15 SEER rating indicates superior energy efficiency compared to older models (typically 10-12 SEER). This means lower electricity bills over time, especially in regions with high cooling demands.

2. **Proper Sizing (1/2-Ton Capacity)** A 1/2-ton unit is well-suited for small to medium-sized rooms (around 500 800 sq. ft.), preventing overcooling or undercooling. Oversized or undersized units waste energy and reduce comfort.

3. **410A Refrigerant Compatibility** This unit uses R-410A, a widely available and environmentally preferred refrigerant (though it is being phased out in favor of R-32 and R-454B in newer models). If you re replacing an older system, this ensures compatibility with existing lines.

4. **Durable Brand (Heil)** Heil is a reputable manufacturer known for reliable HVAC equipment, offering good warranties (typically 5 10 years on compressors and parts) and strong customer support.

5. **Quiet Operation** Many Heil models are designed to run quietly, which is beneficial for bedrooms, offices, or homes where noise is a concern.

6. **Easy Installation & Maintenance** The unit is designed for straightforward installation, and its compact size makes it suitable for smaller spaces where larger systems may not fit.

7. **Cost-Effective for Small Spaces** For a single room or a small area, this unit provides targeted cooling without the expense of a full ducted system, making it a budget-friendly alternative to central AC.

---

1. **Limited Coverage (Single Room/Zone)** This is a **window-mounted or through-wall air conditioner**, meaning it only cools one specific area. If you need whole-house cooling, you ll need a central system or multiple units, increasing long-term costs.

2. **No Dehumidification Features** Unlike some higher-end models, this unit may not have advanced dehumidification controls, which can be problematic in humid climates where moisture removal is crucial for comfort.

3. **Potential for Higher Operating Costs Over Time** While 15 SEER is efficient, if you later upgrade to a **20 SEER** system (which is now standard for new installations), your electricity bills could decrease further.

4. **Maintenance Requirements** Window/through-wall units require regular cleaning of filters, coils, and drains to prevent mold, mildew, and reduced efficiency. Poor maintenance can shorten the unit s lifespan.

5. **Security & Safety Concerns** Window units are vulnerable to break-ins or damage if not properly secured. Through-wall units are slightly better but still require careful installation to prevent drafts or leaks.

6. **Limited Lifespan Compared to Central Systems** Most window/through-wall ACs last **10 15 years**, whereas well-maintained central systems can last **20 years**, making this a more temporary solution.

7. **Aesthetic & Space Constraints** Window units are bulky and can obstruct views or block natural light. Through-wall units require permanent installation in a wall, which may not be ideal for renters or those planning future renovations.

8. **Refrigerant Phase-Out Issues** While R-410A is still available, future-proofing may require retrofitting to newer refrigerants (e.g., R-32), which could add costs if you keep the unit long-term.

---

The **Heil N4A5S18AKAWA 1/2-ton, 15 SEER air conditioner** is a **solid choice for small-space cooling** where a full central system is unnecessary or impractical. It offers **good efficiency, reliability, and affordability** for targeted cooling needs. However, if you require **whole-home comfort, better dehumidification, or long-term energy savings**, investing in a **higher-efficiency central system (16 SEER, variable-speed, or heat pump)** may be more beneficial in the long run.

For **renters, temporary cooling solutions, or single-room use**, this unit is a **practical and cost-effective option**. For **homeowners planning long-term comfort**, a central system might be worth the higher upfront cost.

- You need **cooling for one room only** (bedroom, office, small apartment).

- You re on a **budget** and don t want a full central system.

- You prioritize **immediate cooling** without major installation hassles.

- You re in a **cooling-only climate** (not extreme heat/humidity).

- You need **whole-house cooling** (central AC or ductless mini-split).

- You want **better energy savings** (look for **16 SEER or variable-speed models**).

- You re in a **humid climate** (a dehumidifying unit may be preferable).

- You plan to **stay in the home long-term** (a central system may be more cost-effective).

For most **long-term homeowners**, a **central air conditioning system** (even a mid-range 16 SEER model) will provide **better efficiency, comfort, and resale value** than a window/through-wall unit. However, if your needs are **limited to a single space**, this Heil unit is a **reliable, efficient, and budget-friendly solution**.

Details:

In stock when listed, item is available onsite so there a small risk of selling out. Most items ship free. Some state may have a slight extra charge. Most of the East Coast, South and Midwest are FREE ship.

A Licensed contractor should be used for installation.

part #: n4a5s18akawa prices

• $2100.00-$2750.00

specifications acondne:

• brand: Heil
• mpn: N4a5s18akawa
• part type: Air Conditioner

shipping acondne:

• type: Fixed
• class: Freight
• cost: $0.00
• service: Flat Rate Freight

seller acondne:

• city: Akron, Ohio
• # reviews: 29
• rating: 100.0%

payments acondne:

• wallet: Paypal
• other
• credit card: Diners-club

returns acondne:

• policy: No Returns

offer acondne:

• started: April 2, 2026
• sold: 0
• options: Ship-to-home
• availability: In Stock
• quantity: 2

general acondne:

• condition: New
• Heating, Cooling Air > Central Heating Cooling Systems > Central Air Conditioners

Heil N4A5S18AKAWA Is Similar To:

• 1009052 K55hxcem-6402 Hq1009052em Icp Heil (15.4% similar) Motor is in diameter frame 48Y. Its 1/2 hp, 115 volt, 1050 rpm. The shaft extends 4 out of motor. Oem replacement for old part numbers: same day shipping on orders place before 2:00PM eastern TIME54200 this is an aftermarket manufacture by Bk partial list of icp Heil temp star units using item: ...(September 3rd, 2017)
• 1011404 Icp Heil Tempstar Oem Genuine Hp Furnace Blower Motor (26.5% similar) Icp oem part 4HP 115 volts 60HZ 11. I have a 30 day money back guarantee that if there is any trouble with the product...(February 17th, 2019)
• 1013341 K55hxjew-9056 Icp Heil Tempstar (22.8% similar) 5 FD capacitor. The shaft extends 4 out of motor. Same day shipping on orders place before 2:00PM eastern time partial list of icp Heil temp star units using this item: FBF100F14A1 FBF100F14A2 FBF100F14A3 FBF100F14A4 GCK075N12A1 GCK075N12C1 GCK075N12C2 GCK075N12C3 GDE100F14A1 GDE100F14A2 GDJ100M12B1...(April 4th, 2017)
• 1070644 Emerson Icp-heil-keeprite 2 Hp (21.2% similar) Works great. Came out of an icp commercial ac heat pump 3 phase...(July 1st, 2017)
• 1082611 Hq1082611pu Heil Tempstar Icp (19.6% similar) A Heil temp star icp volt 40 VA HQ1082611PU. Drop in replacement 24 volt transformer for Goodman janitorial Amanda furnaces. Input voltage : 208-240 volts / rated at 40VA. Output voltage : 24V. Foot mount with 1/4 quick connect terminals. Class ii transformer with overload protection to ...(November 29th, 2017)
• 1148245 Icp Heil Tempstar Heil-tempstar-comfort (21.3% similar) New in box, old stock from hvac dealer liquidation...(October 9th, 2017)
• 1160717 Icp Heil Tempstar Defrost Control Board (31.1% similar) This is a new and unused part that still in the box...(April 26th, 2018)
• 1170024 Aftermarket Heil Tempstar Icp Uf Vac Run Capacitor Replaces (35.2% similar) This is an aftermarket 12. 5X370 run capacitor that can replace Heil temp star comfort maker icp part number...(July 19th, 2018)
• 1171000 Icp Fan Control Board Arcoaire Comfortmaker Heil Tempstar 00662442478320 (27.1% similar) Fan coil control board, for use with mfr. Model number FA4ANC018005AFAA, FA4ANC018005AGAA, FA4ANC018008AFAA, FA4ANC018008AGAA, FA4ANC018010AFAA, FA4ANC018010AGAA, FA4ANC024005AFAA, FA4ANC024005AGAA, FA4ANC024008AFAA, FA4ANC024008AGAA, FA4ANC024010AFAA, FA4ANC024010AGAA, FA4ANC030005AFAA, ...(March 23rd, 2019)
• 1172488 Icp Heil Tempstar Comfort (29.6% similar) The shaft extends 4 out of motor. Emerson part is K55HXCEM oem replacement for old numbers: same day shipping on orders place before 2:00PM eastern TIME54200 this an aftermarket manufacture by Bk partial list of icp Heil temp star units using item: C8DNL075F16A1 C8MPL100F20A1 C8MPL125J20A1 ...(September 3rd, 2017)
• 1172829 Icp Heil Tempstar Comfortmaker (28.3% similar) The shaft extends 4 out of motor and is 1/2 in diameter. The ge gent eq part is 5SME39SL1162. Buy will have to cut the plug off old motor and wire nut onto this. Rotation is reversible. It is used to replace hp ecm motors, volt, and 1050 rpm. This is a new oem ge gent eq carrier Bryant Payne icp ...(September 13th, 2017)