Looking for the Carrier Optimax Pro 2.25 HP Cool Only Split AC? This is model 53KHCT18N-708 from the Optimax Pro series: 18,000 BTU (2.25 HP), cool only, with a fixed-speed compressor, on R410A, at EGP 33,648 for the unit including delivery. El Shora is the authorized Carrier dealer, with our base and warehouse in 6th of October.
See all Carrier 2.25 HP models, prices and series differences on one page: Carrier 2.25 HP air conditioners.
Refrigerant: R410A – the standard refrigerant most widely used in Egypt: any service centre can charge it and parts are available everywhere. How it compares with R32.
Carrier Optimax Pro 2.25 HP Cool Only Split AC – technical data
| Brand | Carrier |
| Series | Optimax Pro |
| Model code | 53KHCT18N-708 |
| Unit type | Wall-mounted split |
| Nominal capacity | 2.25 HP ≈ 18,000 BTU/hr |
| Approximate area | 16 – 21 m² at 2.8 m ceiling |
| Operating mode | Cool only |
| Compressor | Fixed speed – tropical rotary, GMCC Toshiba |
| Refrigerant | R410A |
| Power supply | Single-phase / 220 V |
| Refrigerant pipe sizes (manufacturer catalogue) | gas 1/2" × liquid 1/4" |
| Max pipe run / height difference | 20 m / 10 m |
| Warranty | Authorized dealer warranty — duration and terms are stated in the warranty certificate and the quotation |
| Price (delivery only) | EGP 33,648 – updated 12 September 2026 |
Pipe sizes and maximum run come from the manufacturer catalogue for this exact model; the rest of the table is from our company data. The full table for every model is at the refrigerant pipe size table.
How to read the code 53KHCT18N-708
The code is not random; reading it lets you make sure you are comparing the same model at any seller (per the brand's Egyptian models):
- 53 = the Carrier Egypt model prefix
- K = cool only
- 18 = cooling capacity in thousands of BTU (18,000 BTU/hr ≈ 2.25 HP)
- N = fixed-speed compressor
The right space for 2.25 HP
Using our approved heat-load method (length × width × height × a factor of 300 / 350 / 400 BTU/m³ depending on exposure), this capacity covers 16 to 21 m² at a 2.8 m ceiling. The most common choice for living rooms, small halls, mid-size offices and large bedrooms. If the space opens onto a kitchen or reception, size the load on the whole open volume, not one room. Large glazing, a kitchen and the number of occupants raise the load, so confirm with a real calculation: how engineers pick the right AC capacity · what HP and BTU mean · the AC calculator.
What makes the difference in operation
This unit cools only and has no heating mode. That makes sense in rooms heated by another source or not used in winter, and it saves the price gap against the cool & heat version.
Fixed-speed compressor: it runs at full capacity and stops when the set temperature is reached. It costs less than the inverter at the same capacity and is simpler to service, but consumption is higher if the unit runs many hours a day.
The Carrier Optimax Pro series
Optimax Pro is Carrier's most widespread economy series in Egypt: fixed-speed compressor, R410A refrigerant and spare parts in every governorate. It makes sense when the unit price matters most and you want Carrier's service reputation. Our range has 8 models in this series from 1.5 to 5 HP, and this model sits mid-range in the series. All models are in the Optimax Pro category · all Carrier prices.
When to choose it
You would choose this model when heating is not needed or another heat source already exists. And the space is 16 to 21 m² with an external wall close by for the pipe route. If either of those does not apply to you, look at the alternatives in the table below before paying.
Why pay more? 53KHCT18N-708 compared
Instead of comparing across websites, here are all the close alternatives we stock in one table at today's prices: the other mode, the other compressor, the other brand, and the higher and lower capacities in the same series.
| Comparison | Model | Price (EGP) | vs 53KHCT18N-708 |
|---|
| Same model, cool & heat | 53QHCT18N-708F | 36,745 | +EGP 3,097 (9%) |
| Inverter version | 53KHEFT18DN8-708F (X-Cool Inverter) | 38,658 | +EGP 5,009 (15%) |
| Midea equivalent | M1SEFT-18CRN8F-Q8 (Xtreme) | 30,357 | −EGP 3,291 (10%) |
| Same series, 1.5 HP cool only | 53KHCT12N-708 | 23,440 | −EGP 10,208 (30%) |
| Same series, 1.5 HP cool & heat | 53QHCT12N-708F | 25,171 | −EGP 8,477 (25%) |
| Same series, 2.25 HP cool & heat | 53QHCT18N-708F | 36,745 | +EGP 3,097 (9%) |
| Same series, 3 HP cool only | 53KHCT24N-708 | 41,140 | +EGP 7,492 (22%) |
The cheapest Carrier 2.25 HP wall-mounted split in our range is 53KHEFT18N8-708F at EGP 32,853; this model costs EGP 795 more for the higher series.
Price against capacity
A simple measure that compares prices fairly: divide the unit price by its rated capacity. 53KHCT18N-708 costs EGP 33,648 for 18,000 BTU, which means 1,869 EGP per 1,000 BTU.
| This model | EGP 1,869 per 1,000 BTU |
| Average across our wall-mounted split range (44 models) | EGP 1,971 |
| Cheapest model of the same type | EGP 1,570 |
| Most expensive model of the same type | EGP 2,652 |
That figure sits close to the average for its type with us (only 5% apart), so the price is consistent with the rest of the range rather than an outlier either way.
How we carry out the installation
With a wall split, the position of both units affects cooling more than anything else: the indoor unit facing the length of the room rather than a closed corner, the outdoor unit in open air away from sun reflected off a facing wall, and the shortest practical pipe run between them.
We work to approved specifications and fixed steps, not improvisation: South African or Swedish copper in the right sizes, full Armaflex insulation on both lines, a dry-nitrogen pressure test then a micron vacuum before charging, a correct drain slope that prevents dripping, and photo documentation of every stage on our system. Details in AC installation · AC maintenance.
The unit price includes delivery only within our service areas; installation, commissioning, warranty activation and after-sales service are a separate paid service, written clearly in the quotation together with any extra pipe length, preparation, chasing or scaffolding the site needs.
From our real installations
Photos from El Shora's work on the same type of unit; they show the installation standard you pay for, not this exact model.
Related guides
Common questions about the Carrier Optimax Pro 2.25 HP Cool Only Split AC
How big a room does the Carrier Optimax Pro 2.25 HP Cool Only Split AC cover?
This capacity (2.25 HP ≈ 18,000 BTU) covers 16 to 21 m² at a 2.8 m ceiling, based on 300 to 400 BTU per cubic metre. On a top floor or a sunny façade treat it as the minimum, and you can check with the AC calculator.
What is the price of the Carrier Optimax Pro 2.25 HP Cool Only Split AC today?
EGP 33,648 for the unit including delivery only within our service areas (updated 12 September 2026). Installation, commissioning, warranty activation and after-sales are a separate paid service, written clearly in the quotation before any work.
What does the code 53KHCT18N-708 mean?
The code summarises the model: the Carrier prefix 53, K = cool only, the number 18 = 18,000 BTU (2.25 HP), and N = fixed-speed compressor. Details in the code section above.
This model uses R410A — what does that mean?
R410A is the standard refrigerant widely used in Egypt: any service centre can charge it and every workshop has the tools. The full comparison is in R32 versus R410A.
Does this unit need a special power supply?
No. It runs on single-phase / 220 V, the normal apartment supply, with no meter change. The run from the meter to the unit and any electrical work are priced separately.
Can I buy the unit and have someone else install it?
Of course; the price covers the unit and delivery only. Keep in mind that installation quality is what actually decides the compressor's life: the nitrogen pressure test, micron vacuum and full insulation are not cosmetic details, and warranty activation happens at commissioning.
We serve your area
Supply, installation and maintenance run from our base in 6th of October, with appointments confirmed before the visit and photo documentation. Among the areas we serve: AC in Fifth Settlement · AC in Shorouk · AC in Alexandria · AC in New Mansoura · all service areas.
Request a quotation · Contact us · El Shora, Carrier dealer
