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A&J Engineering, Rawang and Selangor: aircond service that also advertises house wiring

A&J Engineering is an aircond and electrical service that says it covers Selangor, the Klang Valley and Kuala Lumpur. It advertises several days a week in Pendawai Elektrik, a national Facebook group for electrical work, and its ads also appear in residents’ groups around Rawang, Serendah and Kuala Kubu Bharu, which suggests it is based in northern Selangor; it doesn’t say where it is based. Most of its ad is about airconds, but it also lists house, office, autogate and garden-light wiring. It advertises no shop and no prices.

This page is built from its own Facebook posts from January to October 2026. It describes what the business advertises, not work we’ve checked.

A&J Engineering

Aircond and electrical service in Selangor and Kuala Lumpur that advertises in the Facebook group Pendawai Elektrik and in residents' groups around Rawang, Serendah and Kuala Kubu Bharu. Its ads offer aircond servicing, installation and repair alongside house, office, autogate and garden-light wiring and extra plugs; its photos include a DB and a control panel. No shop and no prices. Advertised, not verified.

Premises
No shop or office address advertised. No Google Maps listing found for the number or the name. Its residents'-group ads are in Rawang, Serendah, Kuala Kubu Bharu, Batang Kali and Bestari Jaya groups, so it is probably based in northern Selangor.
Phone
017-275 2714 (WhatsApp; on every ad and on its business card)
WhatsApp
+60172752714
Services advertised
One main ad, repeated from January to October 2026: aircond servicing (normal, chemical and overhaul), installing new and second-hand airconds, moving airconds, repairs and airconds that don't cool; adding plugs and new wiring; house wiring, office wiring, autogate wiring and garden-light wiring. A shorter ad from another account describes it as an aircond and electrical service; the image on it (January 2026) adds fitting fans and lights. Its business card lists chemical and normal servicing, gas top-up, installation and reinstallation, electrical wiring and fitting electrical appliances.
Prices advertised
None; its ads say "very reasonable prices".
Service area
Selangor, the Klang Valley and Kuala Lumpur (its own wording); its flyer says Selangor and Kuala Lumpur.
Claims in its ads
A guarantee on its work ("jaminan kami beri") and very reasonable prices. Its business card carries the registration number RA0091849-X. These are its own statements; we haven't checked them.
Registers
Neither 017-275 2714, the name A&J Engineering nor the number RA0091849-X appears in Suruhanjaya Tenaga's public registers of electrical contractors and competent persons (snapshot of 6 October 2026). Registered wiremen and contractors are listed under their own name, company and phone. For wiring or DB work, ask which registered wireman will test and sign off the job.
Facebook groups
194 posts with 017-275 2714 on 148 different days between 5 January and 9 October 2026, all in Pendawai Elektrik (group posts we'd collected up to 10 October 2026): 170 copies of its main ad and 24 of the shorter one, from two Facebook accounts. Copies and shorter versions of its ads appear in residents' groups we didn't collect (Serendah, Batang Kali–Ulu Yam, Kuala Kubu Bharu, Rawang, Bestari Jaya–Ijok, Sungai Choh) and in PENDAWAIAN ELEKTRIK MALAYSIA 2026, and an older, undated copy in Pendawai Elektrik appears to predate our 2026 data.
Online presence
Facebook profile AJ Engineering Aircond Electrical (@aj.engineering.aircond.electrical; 137 friends when we looked on 13 October 2026), which posts the main ad.
Last seen advertising
9 October 2026, in Pendawai Elektrik posts collected up to 10 October 2026.
Grey control panel with its door open: four stacks of copper-coloured coils on the left, three rows of white contactors and relays with coloured wiring in the middle, a larger breaker and a row of small circuit breakers on the right
An open industrial control panel with rows of contactors and relays, large transformers or chokes on the left and a row of miniature circuit breakers on the right, posted by A&J Engineering as its work (photo from its ad of 5 January 2026, reused in later ads). A&J Engineering via Facebook Source
White wall with a small open distribution board holding a row of breakers, loose cables hanging below it to a wall switch and a round controller, a window frame to the right and a hand at the bottom
A small DB being wired on a white wall, with loose red, green and black cables running down to a switch and a wall controller, posted by A&J Engineering as its work (photo from its ad of 6 September 2026; cropped to the board). A&J Engineering via Facebook Source
Sources

What it advertises

Its main ad has stayed the same from 5 January 2026 to 9 October 2026. It offers:

  • aircond servicing (normal, chemical and overhaul), installing new and second-hand units, moving units, repairs, and airconds that don’t cool
  • adding plugs and new wiring
  • house wiring and office wiring
  • autogate wiring and garden-light wiring

A shorter ad, posted from a second account, describes it as an aircond and electrical service; the image on it adds fitting fans and lights. Its business card lists aircond servicing, gas top-up, installation and reinstallation, electrical wiring and fitting electrical appliances. The ads don’t say whether it changes or upgrades DBs; ask before booking a DB job.

Prices

It doesn’t advertise prices; its ad only promises “very reasonable prices” and a guarantee on its work. For typical rates, see house wiring prices in Malaysia and for aircond installation and servicing prices, aircond labels and installation.

Past work it has posted

Its ads carry photos it posted as its work. Most show airconds: wall units being serviced or fitted, cassette units in a ceiling and outdoor units on brackets. Some show electrical work. Its first ad in our data includes an open industrial control panel with rows of contactors and relays, large transformers or chokes on the left, and a row of miniature circuit breakers on the right. Its ad of 6 September 2026 includes a small DB being wired on a white wall above a switch and a wall controller, and a building under renovation with new cable coils on the floor. We haven’t seen these jobs.

Register check

Neither 017-275 2714, the name A&J Engineering nor the registration number on its card (RA0091849-X) appears in Suruhanjaya Tenaga’s public registers of electrical contractors and competent persons (snapshot of 6 October 2026). That doesn’t prove the person doing the work isn’t registered: registered wiremen and contractors are listed under their own name, company and phone, which can differ from a trade name or the number in an ad. For wiring, ask which registered wireman will test and sign off the job.

How active it is

We found 194 posts with 017-275 2714 on 148 different days between 5 January and 9 October 2026, all in Pendawai Elektrik (posts we’d collected up to 10 October 2026). That is several days a week from March onwards, with only one post in February. Most are copies of the main ad from its Facebook profile, AJ Engineering Aircond Electrical; 24 are the shorter ad from a second account. Copies and shorter versions of its ads appear in residents’ groups we didn’t collect, including Serendah, Batang Kali–Ulu Yam, Kuala Kubu Bharu and Green Valley Park, Bandar Tasik Puteri (Rawang), and an older, undated copy in Pendawai Elektrik appears to predate our 2026 data. Last seen advertising: 9 October 2026. We found no posts by other group members recommending it.

Contact

WhatsApp 017-275 2714 (WhatsApp). Its Facebook profile is AJ Engineering Aircond Electrical. It advertises no premises, so arrange a site visit.

Corrections

This page is built from public posts advertising this number. If this is your number and something here is wrong or out of date, or you’d rather not be listed, contact us and we’ll correct or remove it.

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