Finding the best underfloor heating in Christchurch starts with choosing between warm-water (hydronic) pipework laid in the slab and electric cables under tile or timber. The installers below design, fit and service underfloor heating in Christchurch for new builds, renovations and retrofits, with heat sources ranging from air-to-water heat pumps to gas, diesel and wood boilers. Warmth NZ and Central Heating New Zealand both work from the Sockburn and Islington end of the city.
1Warmth NZ
Warmth NZ is a Sockburn-based specialist in hydronic underfloor heating, where an air-to-water heat pump warms water that circulates through pipes in the concrete foundation. The same heat pump can supply the home’s hot water, and the company pairs its heating with balanced heat recovery ventilation. It suits homeowners and builders planning a new slab who want whole-home heating, as well as owners looking to replace an existing gas, diesel or wood burner boiler.
Services
- Hydronic underfloor heating for new builds
- Air-to-water heat pump hot water (2in1 system)
- Boiler to heat pump conversions and retrofits
- Heat recovery ventilation
- Hydronic maintenance and ventilation filter servicing
Highlights
- Systems can run in reverse to cool the home in summer
- Show homes with the system installed can be visited in person
- Free assessment and an online pricing quote tool
- Published guidance on the H1 Building Code energy efficiency requirements
Location & Contact
Name: Warmth NZ
Address: 5/4 Obriens Road, Sockburn, Christchurch 8042
Phone: 0800 477 778
Website: warmth.nz
2Central Heating New Zealand
Central Heating New Zealand designs and supplies warm-water central heating from its head office and showroom in Islington, combining underfloor heating with radiators and towel rails where a home needs both. Its underfloor range covers concrete slabs, screeded floors and timber joists, so it suits new builds as well as existing houses. The heat can come from air-to-water or geothermal heat pumps, or from gas, diesel or wood boilers.
Services
- Kiwi Inslab underfloor pipe for new concrete slabs
- VarioComp and Euro-Screed systems for new and existing homes
- Spreader plate underfloor heating between timber joists
- Radiator heating and heated towel rails
- Heat pump and boiler heat sources
Highlights
- Has installed heating for more than 8,000 families around New Zealand
- Multi-storey designs allow for heat rising to upper levels
- Showroom and show homes for experiencing the system first
Location & Contact
Name: Central Heating New Zealand
Address: 3 Enterprise Avenue, Islington, Christchurch 8042
Phone: 03 357 1233
Website: centralheating.co.nz
3PolarEnergi NZ
PolarEnergi NZ is a Sydenham-based central heating company that designs, installs, repairs and services hydronic underfloor heating for homes and commercial buildings. It fits pipework for both new builds and retrofits, run from a boiler or a hot water heat pump, and also installs radiator systems. The team takes on servicing and fault-finding on existing underfloor systems as well as new installations.
Services
- Hydronic underfloor heating design and installation
- Underfloor heating repairs, replacements and servicing
- Radiator systems
- Diesel and other boilers
- Hot water cylinders and hot water heat pumps
Highlights
- Based in Christchurch and working across the South Island since 2016
- UK-trained heating specialists
- Installs Toshiba, Riello, Warmflow and neXt equipment
- Free consultation with an all-inclusive written quote
Location & Contact
Name: PolarEnergi NZ
Address: 4 Caton Street, Sydenham, Christchurch 8023
Phone: 0800 223 468
Website: polarenergi.co.nz
4Heatspec Electrical Limited
Heatspec Electrical is a Christchurch electrical contractor that specialises in electric underfloor heating, both installing new systems and fault-finding on existing ones. It repairs faults on all makes of underfloor heating, including cable replacement, and can install as an independent installer or alongside a customer’s preferred electrician. It suits owners with an electric floor that has stopped working, as well as those adding heating under tile in a bathroom or living area.
Services
- Underfloor heating installation
- Underfloor heating fault-finding and repairs
- Underfloor heating cable replacement
- Infrared thermography inspections
- Residential and commercial electrical work
Highlights
- Nearly twenty years of underfloor heating repair experience
- Owner Luke Jackson is a registered electrician
- Alan Jackson is a Registered Electrical Inspector and certified Level 1 Infrared Thermographer
- Services and repairs underfloor systems throughout New Zealand
Location & Contact
Name: Heatspec Electrical Limited
Address: Christchurch
Phone: 027 535 9664
Website: heatspecelectrical.co.nz
5FAS Energy
FAS Energy is a heating, ventilation and heat pump company with a Christchurch branch in Sockburn, and hydronic underfloor heating is one of its service lines alongside heat pumps and home ventilation. It handles design, installation, testing and commissioning of underfloor pipework, and offers maintenance plans afterwards. It suits homeowners who want underfloor heating and other climate work, such as ventilation or a hot water heat pump, from one contractor.
Services
- Hydronic underfloor heating design and installation
- Ecodan underfloor heating and hot water heat pumps
- Radiator heating and hot water cylinders
- Ducted and high wall heat pumps
Highlights
- Free consultation for new builds
- System testing and commissioning on completion
- Maintenance plans and after-sales support
Location & Contact
Name: FAS Energy
Address: 2/2 Distribution Lane, Sockburn, Christchurch
Phone: 03 595 1521
Website: fasenergy.co.nz/christchurch/underfloor-heating
Underfloor Heating in Christchurch at a Glance
| Business | Highlight |
|---|---|
| Warmth NZ | Systems can run in reverse to cool the home in summer |
| Central Heating New Zealand | Has installed heating for more than 8,000 families around New Zealand |
| PolarEnergi NZ | Based in Christchurch and working across the South Island since 2016 |
| Heatspec Electrical Limited | Nearly twenty years of underfloor heating repair experience |
| FAS Energy | Free consultation for new builds |
How to Choose the Right Underfloor Heating in Christchurch
- Hydronic or electric: warm-water pipework suits whole-home heating in a new slab, while electric cable mats suit single rooms such as bathrooms and retrofits under tile.
- Heat source: ask whether the system will run from an air-to-water heat pump, a gas or diesel boiler, or a wood burner, and what that means for running costs.
- Timing with your build: in-slab pipe has to go in before the concrete pour, so involve an installer early; existing homes need a screed, panel or spreader plate system instead.
- Floor coverings and insulation: tiles, timber and carpet transfer heat differently, and slab edge and underfloor insulation make a big difference to efficiency.
- Servicing and repairs: check who will service the system, adjust controls and find faults years after installation.
Frequently Asked Questions About Christchurch Underfloor Heating
What is the difference between hydronic and electric underfloor heating?
Hydronic systems circulate warm water through pipes in the floor, heated by a heat pump or boiler, and are usually designed to heat the whole home. Electric systems use heating cables or mats beneath the floor covering and are more common in bathrooms, kitchens and smaller retrofits. Hydronic costs more to install but typically less to run across a whole house.
Can underfloor heating be added to an existing Christchurch home?
Yes. Retrofit options include thin panel or screed systems laid over an existing slab, spreader plates fitted between timber joists, and electric cable under new tiles. The right choice depends on floor height, floor construction and the coverings you plan to use.
When should underfloor heating go into a new build?
For in-slab hydronic heating, the pipe is tied to the reinforcing mesh before the concrete is poured, so an underfloor heating installer should be involved at the design stage. Insulation under and around the slab edge also needs to be planned before construction starts.
Does underfloor heating help meet the H1 Building Code energy efficiency rules?
Clause H1 of the Building Code sets insulation and energy efficiency requirements for new homes, including for heated floors. MBIE’s H1 energy efficiency guidance explains what applies, and your designer or installer can confirm how a heated slab is treated in your plans.
Who can install or repair electric underfloor heating?
Connecting electric underfloor heating is prescribed electrical work and must be carried out by a licensed electrician. You can check an electrician’s licence on the Electrical Workers Registration Board public register before work starts.
Can underfloor heating run from a heat pump?
Yes. Air-to-water heat pumps are widely used with hydronic underfloor heating because the floor runs at a low water temperature, which suits heat pump efficiency. Some systems use the same heat pump to supply household hot water, and some can run in reverse to provide cooling in summer.
How do I find an underfloor heating installer near me in Christchurch?
Several heating specialists work from the industrial areas on the western side of the city, including Sockburn, Islington and Sydenham, and most travel across Christchurch, Selwyn and Waimakariri for installations and servicing. Ask about travel time for repair callouts if you live further out.
Does underfloor heating need servicing?
Hydronic systems need occasional checks of the heat source, pump, manifold and controls, and a heat pump or boiler should be serviced to the maker’s schedule. Electric systems need little routine maintenance, but a fault in a cable under tile needs specialist fault-finding to locate it without lifting the whole floor.
How We Chose the Best Underfloor Heating in Christchurch
Every business in this guide was found by searching for underfloor heating in Christchurch, then checked against its own website. Names, addresses and phone numbers are taken from the business’s own site rather than a directory feed, so what you see here is what they publish themselves. We also check that each one is actually based in or genuinely serving Christchurch, rather than a national operator running a local landing page. A business with no website of its own is not listed, because there is no primary source to verify it against.