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You should get a message from us saying that we have received your enquiry and will get back to you as soon as possible!

Google
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5.0
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Trustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.
Google
Google star 1Google star 2Google star 3Google star 4Google star 5
5.0
verified by Trustindex
Trustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.

What Happens Next

We like to keep things straightforward, with no hassle or waiting around.

You’ll hear from us within a day.

We’ll chat about what you need: your place, your system, and your energy goals.

We’ll set up a free on-site survey at a time that works best for you.

We’ll design a heating solution tailored to you and provide a clear quote.

Need help with grants or paperwork? We’ll handle it, so you don’t have to stress.

Rated 5★ by Home and Business Owners Across New Zealand

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Mike Goldsmith profile picture
Mike Goldsmith
231 days ago
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Neil knows his stuff! He has been servicing our diesel heater for a few years now and keeps it in tip-top condition. He responds really quickly to any requests for help and takes real pride in his work.

Owner's reply
Thanks Mike, appreciate you saying that. It’s been good keeping your diesel heater in tip-top shape over the years. Glad the quick responses have helped when you’ve needed a hand. Neil with Highlander Heating
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J J profile picture
J J
245 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Once we learned Neil put the diesel heating system into our property when it was built 5 years ago by other owners we have continued to use him. Neil has been excellent continuing to service it, fix and upgrade as required as well as help us understand how to get the best out of it. He is very responsive to texts and communications when we need help. His turn around times are outstanding and we highly recommend him and Highland heating for both installing and maintenance. Cheers. Julia.

Owner's reply
Cheers Julia, really appreciate you taking the time to write that. Glad we’ve been able to keep on top of the system and help you get the best out of it. Always happy to help when you need it. Neil with Highlander Heating
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Luke Chen profile picture
Luke Chen
275 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Neil has always been enthusiastic, proficient and trustworthy. He is capable of servicing various types of heating systems and is highly recommended.

Owner's reply
Thanks Luke, really appreciate you taking the time to write that. Good to know the variety of systems we’ve worked on has been handled smoothly for you. Neil, Highlander Heating
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Martin Spinks profile picture
Martin Spinks
280 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Great quality installation and ongoing servicing of our central heating system 5*

Owner's reply
Thanks, Martin. I appreciate you taking the time to leave this review. Glad the install and ongoing servicing have been spot on for you. Feel free to get in touch if you need anything Neil, Highlander Heating
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Deborah Edwards profile picture
Deborah Edwards
315 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Have used this company for a few years now and have no hesitation in recommending them. Neil services our diesel heater and keeps it running sweet. Prompt bookings are also really helpful. He also looks after our diesel heater at our workshop and is very knowledgeable.

Owner's reply
Thanks, Deborah. I appreciate you sticking with us over the years. Good to hear both heaters are running well and the bookings are working well for you. Always happy to help keep things ticking along. Neil with Highlander Heating
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Chris Hibbert profile picture
Chris Hibbert
319 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
We designed and built our home in Dunedin in 20011. Coming from the UK we wanted full central heating with a radiator in every room but were wanting to install an “eco-friendly” system. We chose an imported European system with solar-heated stored water and a back-up hopper-fed pellet boiler and an “intelligent” controller. Unfortunately, after five years we looked for an alternative boiler because the pellet boiler was causing us problems: • wastage of pellets in the burn-down sequence due to the controller constantly calling for heat for a just few minutes and then not, typical of the Dunedin climate, but not cost effective. • buildup of tar in the burner box and flues due to resin in the pine pellets needing a weekly shut down and cleaning, not fun in the winter months. We decided we needed an alternative boiler. On recommendation we called on Neil Riddoch at Highlander Heating. Neil installed a Grant diesel oil boiler, oil storage tank, and replacement inner flue. I handled the DCC planning stuff, designed and built an interface between the Grant boiler and the “intelligent” controller, and helped with installing the oil storage tank. The whole process went smoothly, I enjoyed working with Neil who is a professional, knowledgeable, and experienced heating engineer. We now have a reliable and trouble-free central heating system supported by an annual inspection and service from Highlander Heating.

Owner's reply
Thanks, Chris; I appreciate you taking the time to share the full story. That was a big job and a tricky system, but I'm glad we got you onto something reliable that works properly for Dunedin conditions. Enjoyed working with you as well, and good to hear the system’s been running smoothly with the annual service. Neil with Highlander Heating
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David Lang profile picture
David Lang
321 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Great service, has always kept the system in top notch going order. Very efficient and knowledgeable on the central heating system. Would recommend Neil in the heating industry , great value for money cheers David

Owner's reply
Cheers David, thanks so much for that. Good to hear the system’s still running well. Always aim to keep everything efficient and reliable. Appreciate the recommendation! Neil, Highlander Heating
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amy suddaby profile picture
amy suddaby
626 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Thank you so much for the great advice. Knowledgeable and would highly recommend. Went out of the way to give up to date advice.

Owner's reply
Thanks Amy, happy to help. Good to hear the advice was useful. If you need anything else with the heating, just give me a shout. Neil with Higjlander Heating
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Sarah ABC profile picture
Sarah ABC
1880 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Very knowledgeable repairing and maintaining the diesel boiler in our large 1920s house. Highly recommend.

Owner's reply
Thanks so much Sarah, appreciate that. Glad we could get the old diesel boiler running properly again. If you need anything else just let me know! Neil with Highlander Heating
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Sandra Lang profile picture
Sandra Lang
2602 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.


Owner's reply
Thanks Sandra, appreciate you taking the time. Glad we could help out with your heating. Let me know if anything needed in the meantime! Neil with Highlander Heating
Verified by Trustindex
Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

Our Work Is Guided by Four Core Principles

Quality Over Quantity

We take our time with every system. Every radiator, pump, and pipe gets a proper check, is tested, is double-checked, and is fully set up before we call it done.

Honesty & Transparency

No sneaky fees. No pressure to buy extras you don’t need. No half-truths. We lay it all out, step by step, from the first handshake to the final sign-off.

Local Accountability

When you call, Neil picks up. No call centres. No strangers. You know exactly who’s looking after your system, not just a name on a screen.

Craftsmanship First

We don’t cut corners or rush installs. Every system is built with proper engineering, tidy workmanship, and thorough testing. If something isn’t right, we fix it before we leave. High standards matter, and we treat every home like our own.

Why Highlander Heating Stands Apart from the Big Guys

Most big companies rush jobs to hit quotas. We don’t. Every system is designed, installed, and tested by the same person you speak to.

No call centres or middlemen: you deal directly with the installer.

No rushed projects: we take the time to do it right.

No one-size-fits-all systems: each setup is tailored to your home.

And when it’s done, we don’t disappear. Whether it’s a late-night fix or a quick annual service, we’re here to help. Otago’s cold and damp aren’t new to us; our systems are built to handle them year after year. 

Most of our clients stay with us long-term; many even become friends. That’s what happens when you focus on people, not just projects.

Pipework manifold for hydronic heating system in Otago, New Zealand.
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5.0
Top Rated
Heating 2026
verified by Trustindex
Trustindex verifies that the company has a review score above 4.5, based on reviews collected on Google over the past 12 months, qualifying it to receive the Top Rated Certificate.

Our Clients’ Results

Posted on Google Google
Mike Goldsmith profile picture
Mike Goldsmith
231 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Neil knows his stuff! He has been servicing our diesel heater for a few years now and keeps it in tip-top condition. He responds really quickly to any requests for help and takes real pride in his work.

Owner's reply
Thanks Mike, appreciate you saying that. It’s been good keeping your diesel heater in tip-top shape over the years. Glad the quick responses have helped when you’ve needed a hand. Neil with Highlander Heating
Posted on Google Google
J J profile picture
J J
245 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Once we learned Neil put the diesel heating system into our property when it was built 5 years ago by other owners we have continued to use him. Neil has been excellent continuing to service it, fix and upgrade as required as well as help us understand how to get the best out of it. He is very responsive to texts and communications when we need help. His turn around times are outstanding and we highly recommend him and Highland heating for both installing and maintenance. Cheers. Julia.

Owner's reply
Cheers Julia, really appreciate you taking the time to write that. Glad we’ve been able to keep on top of the system and help you get the best out of it. Always happy to help when you need it. Neil with Highlander Heating
Posted on Google Google
Luke Chen profile picture
Luke Chen
275 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Neil has always been enthusiastic, proficient and trustworthy. He is capable of servicing various types of heating systems and is highly recommended.

Owner's reply
Thanks Luke, really appreciate you taking the time to write that. Good to know the variety of systems we’ve worked on has been handled smoothly for you. Neil, Highlander Heating
Posted on Google Google
Martin Spinks profile picture
Martin Spinks
280 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Great quality installation and ongoing servicing of our central heating system 5*

Owner's reply
Thanks, Martin. I appreciate you taking the time to leave this review. Glad the install and ongoing servicing have been spot on for you. Feel free to get in touch if you need anything Neil, Highlander Heating
Posted on Google Google
Deborah Edwards profile picture
Deborah Edwards
315 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Have used this company for a few years now and have no hesitation in recommending them. Neil services our diesel heater and keeps it running sweet. Prompt bookings are also really helpful. He also looks after our diesel heater at our workshop and is very knowledgeable.

Owner's reply
Thanks, Deborah. I appreciate you sticking with us over the years. Good to hear both heaters are running well and the bookings are working well for you. Always happy to help keep things ticking along. Neil with Highlander Heating
Posted on Google Google
Chris Hibbert profile picture
Chris Hibbert
319 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
We designed and built our home in Dunedin in 20011. Coming from the UK we wanted full central heating with a radiator in every room but were wanting to install an “eco-friendly” system. We chose an imported European system with solar-heated stored water and a back-up hopper-fed pellet boiler and an “intelligent” controller. Unfortunately, after five years we looked for an alternative boiler because the pellet boiler was causing us problems: • wastage of pellets in the burn-down sequence due to the controller constantly calling for heat for a just few minutes and then not, typical of the Dunedin climate, but not cost effective. • buildup of tar in the burner box and flues due to resin in the pine pellets needing a weekly shut down and cleaning, not fun in the winter months. We decided we needed an alternative boiler. On recommendation we called on Neil Riddoch at Highlander Heating. Neil installed a Grant diesel oil boiler, oil storage tank, and replacement inner flue. I handled the DCC planning stuff, designed and built an interface between the Grant boiler and the “intelligent” controller, and helped with installing the oil storage tank. The whole process went smoothly, I enjoyed working with Neil who is a professional, knowledgeable, and experienced heating engineer. We now have a reliable and trouble-free central heating system supported by an annual inspection and service from Highlander Heating.

Owner's reply
Thanks, Chris; I appreciate you taking the time to share the full story. That was a big job and a tricky system, but I'm glad we got you onto something reliable that works properly for Dunedin conditions. Enjoyed working with you as well, and good to hear the system’s been running smoothly with the annual service. Neil with Highlander Heating
Posted on Google Google
David Lang profile picture
David Lang
321 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Great service, has always kept the system in top notch going order. Very efficient and knowledgeable on the central heating system. Would recommend Neil in the heating industry , great value for money cheers David

Owner's reply
Cheers David, thanks so much for that. Good to hear the system’s still running well. Always aim to keep everything efficient and reliable. Appreciate the recommendation! Neil, Highlander Heating
Posted on Google Google
amy suddaby profile picture
amy suddaby
626 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Thank you so much for the great advice. Knowledgeable and would highly recommend. Went out of the way to give up to date advice.

Owner's reply
Thanks Amy, happy to help. Good to hear the advice was useful. If you need anything else with the heating, just give me a shout. Neil with Higjlander Heating
Posted on Google Google
Sarah ABC profile picture
Sarah ABC
1880 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.
Very knowledgeable repairing and maintaining the diesel boiler in our large 1920s house. Highly recommend.

Owner's reply
Thanks so much Sarah, appreciate that. Glad we could get the old diesel boiler running properly again. If you need anything else just let me know! Neil with Highlander Heating
Posted on Google Google
Sandra Lang profile picture
Sandra Lang
2602 days ago
Google star 1Google star 2Google star 3Google star 4Google star 5Trustindex verifies that the original source of the review is Google.


Owner's reply
Thanks Sandra, appreciate you taking the time. Glad we could help out with your heating. Let me know if anything needed in the meantime! Neil with Highlander Heating
Verified by Trustindex
Trustindex verified badge is the Universal Symbol of Trust. Only the greatest companies can get the verified badge who has a review score above 4.5, based on customer reviews over the past 12 months. Read more

See the Quality of Our Work for Yourself

We stand over every installation, with neat pipework, organised plant rooms, and systems made to last. You will notice the quality of our workmanship from day one.

Thermostat and HVAC control unit in orange cabinet for heating regulation.
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Tank water heater on concrete slab outside house, surrounded by leaves and plants in Otago, New Zealand.
Outdoor HVAC unit on concrete pad, metal fence background, exposed wiring.
HVAC control panel with wiring for heating system in Highlander Heating, Otago, NZ.
Insulation installation on a roof for energy efficiency in Otago, New Zealand.
Red underfloor heating pipes installation in progress, ready for concrete pouring, Otago NZ.
Underfloor heating pipe installation on roof construction in Otago, New Zealand.
Fireplace insert in modern interior, heating solution in Otago, New Zealand.
Red industrial heating system with piping and gauges in a workshop.
Boiler unit inside a small closet, HVAC system for heating in Otago, New Zealand.
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