At NB Trades & Services, we know customers often have questions before booking a job. Below you’ll find answers to the most common queries about our electrical, air conditioning, and refrigeration services in Toowoomba and surrounding areas.
If you can’t find what you’re looking for, call 07 4633 7244 — our friendly team is happy to help.

We provide all types of residential, commercial, and industrial electrical work — including fit-outs, switchboard upgrades, smoke alarm installation, Test & Tag, lighting design, ceiling fans, solar connections, and emergency repairs.
Yes. Our licensed electricians offer 24/7 emergency call-outs across Toowoomba, Highfields, Oakey, and surrounding areas to restore safety and power as quickly as possible.
If your switchboard still uses ceramic fuses, frequently trips, or can’t handle modern appliances, it’s time to upgrade. A new switchboard improves safety and ensures compliance with current Queensland electrical standards.
Absolutely. We supply and install interconnected, photoelectric smoke alarms that comply with the latest Queensland fire safety laws.
Every 3–5 years is recommended for most homes. Older buildings or those with frequent tripping should be checked sooner to prevent electrical faults or fire hazards.
Yes — we design, supply, and install split systems, ducted systems, multi-head units, ceiling cassettes, and reverse-cycle systems from trusted brands like Mitsubishi Electric, Daikin, Panasonic, and ActronAir.
For best performance, service your air conditioner every 12 months. In commercial environments or high-use homes, twice-yearly maintenance helps avoid costly breakdowns.
In summer, 23–25 °C; in winter, 20–22 °C. These settings balance comfort and energy efficiency for Toowoomba’s climate.
A single split system usually takes 3–4 hours. Ducted systems can take one to two full days depending on the layout and ductwork complexity.
Yes. We service and repair all brands and system types, even if we didn’t install them originally.
We install, service, and maintain all types of refrigeration — including cold rooms, freezers, display fridges, transportable units, and custom industrial systems.
Yes. We understand downtime is costly, so we provide fast, reliable refrigeration repairs across Toowoomba, the Darling Downs, and rural areas.
Absolutely. Our team designs and constructs custom cold rooms and freezers tailored to your storage, humidity, and compliance requirements.
At least twice a year. Regular servicing helps prevent temperature fluctuations, reduce running costs, and extend system life.
Yes — we’re qualified in both refrigeration and electrical, so we manage wiring, controls, and switchboard integration safely and efficiently.
Yes. All our technicians are fully licensed, insured, and qualified under Queensland law.
We’re based in Toowoomba and service Highfields, Oakey, Pittsworth, Lockyer Valley, Darling Downs, Granite Belt, Ipswich, and Gatton.
Yes — we provide obligation-free quotes for all installations and repairs. Simply call or fill out our online form.
We work with reputable brands such as Mitsubishi Electric, Daikin, ActronAir, Panasonic, and Haier, chosen for reliability and warranty support.
All work comes with a 12-month workmanship warranty, and manufacturer warranties apply to supplied equipment.
Yes. We can schedule regular electrical, air conditioning, or refrigeration servicing to minimise downtime and maintain compliance.
Definitely. We can recommend energy-saving systems, LED lighting, inverter air conditioning, and efficient refrigeration solutions.
First, check your safety switches and circuit breakers. If there’s no visible fault or smell of burning, call our team for a quick inspection — we’ll guide you safely over the phone if needed.
In Toowoomba, we usually respond the same day for urgent electrical, air conditioning, or refrigeration faults.
We’ve been serving Toowoomba since 1999, offering licensed, family-owned reliability with friendly local technicians, transparent pricing, and guaranteed workmanship.
Didn’t Find What You Need?
📞 Call 07 4633 7244 or request a free quote online — we’re happy to answer any other questions about electrical, air conditioning, or refrigeration services in Toowoomba.