Complete Plumbing and Heating Services in Southland and Central Otago
At Inside Systems Limited (ISL), we’re proud to be your trusted experts for plumbing, heating, and cooling services in Invercargill, Southland, and Central Otago. Locally owned and operated since 1995, we’ve spent more than 30 years helping families and businesses stay comfortable, safe, and worry-free. Whether it’s unblocking a drain, repairing a hot water cylinder, or installing a complete HVAC system in a new commercial building, no job is too big or too small for our experienced team.
Our friendly and professional plumbers and HVAC specialists bring a wealth of industry knowledge and practical know-how to every project. With a strong focus on safety, efficiency, and quality, we make sure your systems not only work today but also continue to perform well into the future. At Inside Systems Limited, our goal is simple: to give every customer confidence in their plumbing and heating, no matter the size or complexity of the work.
Professional Plumbing and Heating Services in Invercargill
When you need reliable plumbing, heating, or cooling solutions, Inside Systems Limited is the team to call. We offer a wide range of residential and commercial services designed to keep your property running smoothly and safely. With competitive rates, prompt service, and a commitment to high standards, our Southland and Central Otago clients know they can depend on us.
From fixing a leaking tap to managing complex industrial pipe welding, our approach is always the same: clear communication, top-quality workmanship, and tailored solutions to suit your needs. That’s why so many homeowners and businesses have trusted us with their projects for over three decades.
We supply and install modern, energy-efficient heating and cooling systems that perform well in Southland’s unique climate. Our team can help you choose the right system for your home or business, ensuring comfort all year round. We also provide ongoing testing, servicing, and maintenance, so your system continues to run efficiently and reliably.
From everyday repairs to major renovations, we offer complete plumbing solutions. Whether it’s unblocking drains, repairing leaks, or installing hot water systems, our team has the skills and tools to get the job done right the first time. We’re also available for plumbing in new builds across Invercargill, Southland, and Central Otago.
Our commercial division is equipped to handle projects of all sizes, from retail spaces and offices to schools and large industrial sites. We offer plumbing and HVAC solutions, including backflow prevention, full installations, and maintenance programmes tailored to meet compliance requirements. In addition, our certified pipe welding services cover oil, steam, air, and water lines, ensuring strong and reliable systems for businesses.
Why Choose Inside Systems for Plumbing and HVAC in Southland?
Choosing Inside Systems means more than just getting a qualified plumber or HVAC technician. It means peace of mind, knowing you’re working with a business that values safety, professionalism, and long-term results.
We’re proud to be
Master Plumbers and Gasfitters, giving our customers confidence that every job meets strict industry standards. As members of IRHAC and Sitewise, we’re also committed to health, safety, and ongoing professional development. With over 30 years in the industry, our team has the knowledge and experience to deliver the right solution every time. And because we’re locally owned and operated, we care deeply about supporting our Southland and Central Otago communities with fair pricing and exceptional service.
Frequently Asked Questions
Do you service both homes and businesses?
Yes. We provide complete plumbing and HVAC solutions for residential properties, new builds, and a wide range of commercial and industrial sites.
What brands of heating and cooling systems do you work with?
We install and maintain a variety of systems, including trusted heat pump brands that perform well in Southland’s colder conditions.
Can you help with hot water systems?
Absolutely. We install, maintain, and repair hot water cylinders and hot water heat pumps to ensure a reliable supply.
How do I know if I need backflow testing?
If you own or manage a commercial property, backflow prevention may be a legal requirement. Our team can test, certify, and maintain these systems for compliance.
Why should I choose a Master Plumber?
Using a Master Plumber means you’re guaranteed quality work carried out by a licensed professional who meets strict safety and workmanship standards.
Do you charge extra for travel?
We service Southland and Central Otago with very competitive mileage rates, making our services accessible no matter where you’re located.
Looking for dependable plumbing, heating, and air conditioning specialists in Invercargill, Southland, or Central Otago? Contact us today to request a free quote or book your next plumbing or HVAC job.
