J&M Costa Enterprises Pty Ltd
Matt and Jordan named by multiple customers for same-day electrical response and patient, detailed explanations.
That specificity in reviews (naming people, describing exact scenarios) tends to reflect genuine experiences rather than templated feedback. The business covers both electrical and air conditioning work under one roof, which is genuinely useful for homeowners doing new builds or full installations where those trades need to talk to each other. With a small sample to work from, ask them directly about their lead times for your specific job type and confirm whether the technician attending will be experienced with your system brand — the reviews don't give enough coverage to say how consistently the same quality applies across all job types.
Their work
What it's like working with them
Based on a sample of Google reviews (54 total)
“site inspection team, installation team and sales teams are so much aligned”
“urgently rectifying the power supply fault”
What they help with
Based on what their customers hired them for
Credentials & background
Sourced from 4 public records so you don't have to look them up yourself
About J&M Costa Enterprises Pty Ltd
Matt from the electrical team appears to be a key contact point — reviewers single him out specifically for patient, thorough communication, whether that's walking first-home builders through unfamiliar electrical decisions or diagnosing a power supply fault at an isolator and coordinating a nearby technician (Jordan) to attend the same day. Bianca handles the front-end sales and quoting side, and customers describe her as professional and unhurried with inquiries — useful to know if you're still in the comparison stage and need time to ask questions. The business spans both air conditioning installation and electrical work, which is worth noting because it means a single company can manage the wiring and the unit itself on new installations — reviews mention both split-system replacements and multi-unit installs in residential homes. Their process for new AC installs seems well-coordinated across the site inspection, sales, and installation teams, with one reviewer specifically noting there were 'no surprises' from first contact to completion — a detail that matters for larger jobs where scope creep is common. With around 26 years of trading as a trust entity and GST registration, they're an established commercial operation rather than a sole-trader setup, which may affect invoicing, warranty terms, and who you're dealing with on-site. Based in Penrith, they appear to primarily serve the western Sydney corridor, including new residential builds.
Best for: residential AC installations where the electrical work needs to be handled by the same team, new home builds requiring an electrical consultation, and homeowners wanting clear step-by-step communication throughout the project.
Location
Often needed together
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Claim This Profile — Free →Common questions about J&M Costa Enterprises Pty Ltd
What areas does J&M Costa Enterprises cover?+
The business is based in Penrith, NSW, which places them well for the western Sydney corridor. Reviews don't specify exact suburb coverage, so if you're outside the immediate Penrith area it's worth confirming your postcode when you call. The fact that a technician (Jordan) was dispatched from a nearby job suggests they run multiple crews across the region simultaneously.
Who will I deal with when I contact J&M Costa?+
Bianca handles incoming inquiries and quotes on the sales side and is specifically praised in reviews for being patient and professional during the quoting process — useful if you have a lot of questions before committing. Matt is the named contact on the electrical team and is called out by multiple customers for explaining technical details clearly and being highly responsive via phone and email. On-site, technicians like Jordan handle installations and fault repairs.
Does J&M Costa handle both the air conditioning and electrical work, or do I need separate trades?+
Based on their Google category listings (both electrician and general contractor) and review content, they appear to cover both air conditioning installation and the associated electrical work under one business. One reviewer specifically noted their experience with both the appliance service team and the electrical team in the same job. For new builds especially, this could simplify coordination — but confirm the scope of what's included in your quote before work begins.
How does J&M Costa handle urgent or same-day electrical faults?+
At least one review describes a same-day response to an urgent power supply fault at an isolator — Matt on the electrical team assessed the issue over the phone, then dispatched Jordan who was already working nearby to resolve it. This suggests they have field crews operating across the area who can be redirected. Reviews don't confirm this is a guaranteed emergency service, so call ahead and explain urgency when booking.
What do customers say about the AC installation process from start to finish?+
The clearest pattern in the reviews is that their site inspection, sales, and installation teams are described as well-aligned — one customer specifically noted 'no surprises' from initial contact through to completion. Another reviewer who had lived without air conditioning for 27 years described the service as 'first rate and professional from start to finish.' Keep in mind this is based on a small sample of 5 reviews, so ask them to walk you through their process for your specific job type when you get your quote.