Modern Comfort You Can Rely On Boilers, Radiators & More in Christchurch & the South Island
At PolarEnergi NZ, we provide expert home comfort solutions in Christchurch and across the South Island of New Zealand. We specialize in boilers, radiators, heat pumps, and underfloor systems, delivering reliable installation, maintenance, and service for homes and businesses.
Comprehensive 
Home and Business Comfort Solutions
At PolarEnergi NZ, we specialise in delivering complete home comfort solutions across Christchurch and the South Island, including Ashburton, Queenstown, Greymouth, Westport, and beyond. Our expert team provides professional installation and maintenance of boilers, radiators, underfloor heating, hot water heat pumps, and hot water cylinders, ensuring reliable, energy‑efficient performance for every home or business.
We pride ourselves on quality workmanship, personalised service, and solutions tailored to your needs. Whether you’re upgrading your system or installing a new one, we make the process efficient and stress free. Experience comfort, efficiency, and peace of mind. Contact us today to transform your home or business with our trusted solutions.
Smarter Heating Solutions. Comfort That Lasts.
Hydronic Underfloor Heating
Gentle, low-profile heating spreading warmth evenly for quiet, efficient comfort.
Radiator Systems
Even, comfortable room heating providing quick response and a classic approach to warmth.
Boilers
Durable heating systems offering consistent warmth where proven fuel options matter.
Hot Water Cylinders
Reliable hot water storage delivering steady performance while keeping energy use efficient.
Hot Water Heat Pumps
Efficient, sustainable hot water production that reduces energy use while keeping everyday comfort reliable.
Get in Touch With Us
Ask us anything about central heating — we’ll point you in the right direction.
Service and Maintenace
Reliable servicing and maintenance ensure all systems perform at their best, extending their lifespan and maintaining energy efficiency. At PolarEnergi NZ, we take a personalized approach, handling each job on a case-by-case basis to meet the specific needs of every home or business. Whether it is a one-off service or an annual check-up, our experienced team carefully inspects and services every component to ensure safe and efficient operation. We supply and replace parts as needed, providing full transparency for higher-cost components with separate quotes.
Maintenance is available for all systems we have installed, including boilers, radiators, underfloor heating, hot water heat pumps, and hot water cylinders. Serving Christchurch and locations across the South Island, our goal is to keep your home or business running smoothly, reliably, and safely year-round.
Where We Serve
Local to Christchurch, trusted throughout the South Island
Canterbury
Christchurch, Selwyn,
Rangiora, Ashburton
North Canterbury
Amberley, Hanmer Springs, Kaikōura
South Canterbury
Ashburton, Timaru, Twizel
Central Otago
Queenstown, Wānaka, Cromwell
West Coast & Southland
Hokitika, Greymouth, Westport
Find the Right Heating System
Whether you’re planning a new build or improving an existing space, we’ll help you choose the right system from the start. Our expert guidance makes it easy to understand your options and ensures you end up with heating that delivers reliable comfort in every room. Explore your choices below and discover what will work best for your home.
Trusted Brands We Install
What Our Customers Say
If I could give more stars I would, what’ a great company to deal with.
John came out to look at a problem with our underfloor heating other companies failed to rectify, John took one look at it and said it was programmed incorrectly since day one about seven years
Jessie Jones
Thanks John and the team at Polar Energi, our heating system is awesome!
We’re very happy about the system’s efficiency and low running costs, given that it provides heating for our two storey home and all our hot water needs.
Mad Kiwi
Paul and John were pure gold today
They quickly sorted an issue with my central heating. My home is cosy and warm tonight. I am a very happy customer. Thanks so much.
Sonja Tschepp