+ INSTALLATION INCL.A++InverterWiFi ControlR-32Silent

Inverter air conditioner LG Standard Win S12EW NSJ + S12EW UA3

In StockSKU: 2520480

Delivery & installation in Varna — usually same day

762 €

Price includes VAT

Same-day dispatch
Full installation
Up to 5-year warranty
Free consultation

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Power: 12,000 BTU
Area: up to 21 sq.m
Energy Class: A++ / A+
Noise: 19 dB

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Description

The inverter air conditioner LG S12EW NSJ / S12EW UA3 is offered solely in a 3.5 kW (12,000 btu) variant. Attractive price with all necessary functions and extras – low noise levels (19 db(A)), built-in Wi-Fi module, anti-allergen filter, fast cooling and heating and others, LG Standard WIN offers everything you are looking for in an air conditioner. It is suitable for rooms up to 21 sq.m., and the standard LG warranty of 5 years gives you an additional period of security compared to most other brands.

Pesnopoets Clima verdict

LG Standard Win S12EW NSJ is a 12k BTU unit for rooms up to 21 m² — a living room, large bedroom or a 2–3 desk office. At 19 dB on the lowest fan speed the indoor unit is practically silent — fine for a bedroom.

Energy class A++ / A+, SEER 6,6 and SCOP 4,0. At 8 hours a day and 0.27 BGN/kWh, cooling costs about €18 a month. Heating output 4,0 kW down to -10 °C — in Varna's winter that is primary heating, not a backup.

Installed in Varna it costs €952 incl. VAT: €762 for the unit and €190 for standard installation (3 m copper pipe, all materials, vacuum and commissioning). Delivery and installation by our own crew, within 3 days of the order, 5-year manufacturer warranty and 12 months on the installation.

Why choose this AC

Key advantages that make the difference

Inverter technology
Smooth power modulation — up to 30 % less energy
Energy class A++/A+++
Lowest possible monthly electricity bills
Wi-Fi control
Turn it on from your phone anywhere
Quiet operation
Bedroom and office friendly — won't disturb you
Eco refrigerant R-32
Lower carbon footprint, higher efficiency
Manufacturer warranty
Authorised dealer — warranty handled by us

Where this AC fits best

Recommended area: up to 21 m²

Bedroom

10–18 m²

Good fit

Living / dining room

18–28 m²

At the limit

Office / study

12–22 m²

At the limit

Studio / open space

25–40 m²

Underpowered

Operating modes

Cooling
Heating
Dehumidify
Fan

What you get

Standard installation package includes everything needed for operation

Indoor unit
with mounting plate
Outdoor unit
with wall brackets
Remote control
with batteries
Documentation & warranty card
Installation kit
up to 3 m copper pipes, cable, brackets
Professional installation
by a licensed team

Technical Specifications

Main Specifications

Wi-Fi module included: да
Cooling capacity (Min/Nom/Max): 0.89 / 3.5 / 4.04 kW
Heating capacity (Min/Nom/Max): 0.89 / 4.0 / 5.1 kW
Power consumption cooling (Min/Nom/Max): - / 1.08 / - kW
Power consumption heating (Min/Nom/Max): - / 1.05 / - kW
Power (BTU): 12 000
EER (cooling efficiency ratio): 3.24
SEER (seasonal cooling efficiency): 6.6
COP (heating coefficient): 3.81
SCOP (seasonal heating coefficient): 4
Annual energy consumption (Cooling / Heating): 186 / 875 kWh
Energy class cooling / heating (moderate zone): A++ / A+
Operating temperature (cooling): -10 ~ 48 °C
Operating temperature (heating): -10 ~ 24 °C
Suitable for rooms up to: 21 кв. м
Warranty: 60 months
Refrigerant: R-32
Power supply (Phase/Frequency/Voltage): 1~/50/220-240

Indoor Unit

Dimensions: 308 x 837 x 189 В x Ш x Д (мм)
Weight: 8.7 кг
Noise level cooling (High/Nom/Low/Silent): 41 / 35 / 27 / 19 dB (A)
Noise level heating (High/Nom/Low/Silent): 41 / 35 / 27 / - dB (A)

Outdoor Unit

Compressor: Twin-Rotary
Dimensions: 495 x 717 x 230 В x Ш x Д (мм)
Weight: 26 кг
Noise level cooling (High/Nom/Low/Silent): 48 / - / - / - dB (A)
Noise level heating (High/Nom/Low/Silent): 50 / - / - / - dB (A)

Frequently Asked Questions

+How much does LG Standard Win S12EW NSJ cost installed in Varna?

€952 incl. VAT — €762 for the unit plus €190 standard installation. Pipe runs over 3 m or non-standard mounting are quoted after a free site visit.

+What room size is LG Standard Win S12EW NSJ for?

Rooms up to 21 m² with standard ceiling height. For south-facing rooms, large glazing or a top floor we recommend the next capacity up.

+How much electricity does LG Standard Win S12EW NSJ use?

About €18 a month at 8 hours of cooling a day and 0.27 BGN/kWh, thanks to SEER 6,6. Night tariff or Sleep mode lowers it further.

+Can LG Standard Win S12EW NSJ heat in winter?

Yes — 4,0 kW heating output and operation down to -10 °C outdoor. In Varna that covers practically the whole winter.

+What warranty does LG carry when installed by Pesnopoets Clima?

5 years manufacturer warranty with authorised installation, plus 12 months on the installation itself. Annual maintenance keeps the warranty valid.

+How long does installation take?

Standard installation takes 2-4 hours. Includes mounting indoor and outdoor units, pipe routing up to 3 m, vacuuming and testing.

+Is delivery included?

Yes, delivery within Varna and the region is free when purchased with installation.

+What warranty is provided?

Manufacturer warranty of 24-36 months (depends on brand) + 12 months installation warranty from our team.

+Can it be installed in winter?

Yes, AC installation is possible year-round. Inverter models efficiently heat down to -15°C and below.

+What does standard installation include?

Indoor and outdoor unit mounting, copper pipe up to 3 m with insulation, power cable, brackets, vacuuming, startup and cleanup.

+Will there be additional costs?

Standard installation has a fixed price. Extra charges apply only for non-standard conditions (pipe over 3 m, difficult access). Everything is agreed in advance.