In the beautiful landscapes of New Zealand, where weather patterns can be as diverse as the terrain, the quest for warmth during the colder months is a priority for many homeowners. Underfloor heating has quickly become one of the most sought-after and cost-efficient means of keeping homes cozy warm, providing luxurious yet energy efficient warmth to keep home environments inviting and snug.

In this article, we’ll investigate various underfloor heating solutions available in New Zealand, outlining their benefits and considerations before discussing their radiant heat source capabilities in homes across our nation.

The Allure of Underfloor Heating

1. Efficiency and Comfort:

Underfloor heating, commonly referred to as radiant heating, has rapidly gained in popularity as it provides efficient and consistent warmth without air circulation issues that plague traditional methods of heating. underfloor heating radiates heat from the floor upwards, creating a comfortable and even temperature throughout the space.

2. Space-Saving Design:

Underfloor heating offers one of the key benefits for small homes: its space-saving design. Since no radiators or ductwork is necessary to heat their space efficiently, underfloor heating makes an attractive solution in homes that do not offer enough floor area to install radiators or ductwork radiators. Underfloor heating makes a particular sense in these situations!

3. Energy-Efficient Heating:

Underfloor heating systems are widely recognized for being highly energy-efficient. By heating directly beneath the floor and radiating up through it, these systems reduce heat loss while simultaneously offering sustainable ways of maintaining home comfort. Furthermore, many modern systems can easily incorporate renewable energy sources – an aspect which fits well into New Zealand’s commitment to eco-friendly practices.

Types of Underfloor Heating Systems

1. Hydronic (Water-Based) Underfloor Heating:

  • How It Works: Hydronic underfloor heating systems utilize pipe and tube installations beneath flooring systems in order to evenly circulate warm water through each section, warming each region equally and uniformly.
  • Benefits: This system delivers gentle yet consistent heat that makes it suitable for various floor coverings and suitable for heating systems such as gas boilers or heat pumps..
  • Considerations: While installing a boiler or heat pump may involve additional work and may need dedicated space, its long-term energy savings and comfort advantages often outweigh initial investments.

2. Electric Underfloor Heating:

  • How it Works: heating systems utilize heated cables or mats installed beneath the flooring to generate warmth, providing warmth to occupants of each room.
  • Benefits: Electric systems are easy to install and well-suited for renovations or smaller areas. They are also responsive, allowing for precise temperature control in individual rooms.
  • Considerations: Electrical systems tend to be cost-effective for smaller spaces but may be less energy-efficient when applied over a larger area and often result in higher operational expenses and operating expenses.

Considerations for New Zealand Homes

1. Insulation and Flooring Types:

  • Insulation: Proper insulation is key to optimizing underfloor heating performance, keeping heat inside for as long as possible and thus optimizing performance of heating system. A home that retains more heat also results in greater performance of underfloor heating system.
  • Flooring: The type of floor surface beneath an underfloor heating system can have an enormous effect on its efficiency. Tile and stone are excellent conductors, while carpet and wood may have insulating properties that can affect heat distribution.

2. Climate and Heat Source:

  • Climate: New Zealand’s diverse climate influences the choice between electric and hydronic systems. Hydronic systems powered by efficient heat sources may provide consistent warmth in colder regions.
  • Heat Source: Heat sources for hydronic systems, like gas boilers or heat pumps, must take into consideration availability, cost, and the desire for renewable energy solutions.

3. Installation Considerations:

  • New Builds vs. Renovations: Retrofitting existing homes with underfloor heating systems requires careful consideration for changes to floor height and structural modifications, which must also be factored into any retrofit decision.
  • Professional Installation: Given the complexity of underfloor heating installation, professional expertise is recommended to ensure proper system design, installation, and performance.

Brands and Products in the New Zealand Market

1. Nu-Heat:

  • Type: Hydronic and Electric Underfloor Heating Systems.
  • Features: Nu-Heat offers a range of solutions, including water-based systems and electric mats. Their systems are known for efficiency, with options for integration with renewable energy sources.

2. MaxRaft: 

  • Type: Innovative Radiant Heating Systems for Concrete Foundations.
  • Features: MaxRaft specializes in providing cutting-edge underfloor heating solutions designed specifically for homes with concrete foundations. Their systems ensure efficient heseamlessly incorporatating by leveraging the thermal mass of concrete, guaranteeing optimal comfort and energy efficiency. 

3. Underfloor Heating Company:

  • Type: Hydronic and Electric Underfloor Heating Systems.
  • Features: This company specializes in both hydronic and electric systems, offering tailored solutions for various applications. Their products are designed for energy efficiency and long-term performance.

Cost Considerations

1. Installation Costs:

  • Hydronic Systems: Hydronic system installation costs may be higher due to their complex installation process and need for an individual heat source.
  • Electric Systems: Electric systems tend to offer lower installation costs and are therefore a budget-friendly choice, particularly in smaller spaces or renovations.

2. Operational Costs:

  • Hydronic Systems: Hydronic systems typically incur lower long-term operational expenses but often require an initial investment that exceeds traditional systems..
  • Electric Systems: Electric systems tend to incur higher operating expenses; however they offer cost-efficient solutions in specific applications like bathrooms or small living areas.

Future Trends in Underfloor Heating

1. Smart Heating Controls:

Integrating smart heating controls allows homeowners to remotely monitor and tune their underfloor heating systems for increased energy efficiency and comfort levels.

2. Renewable Energy Integration:

Renewable energy technologies continue to advance and underfloor heating systems could increasingly use renewable sources as a form of fuel.

3. Innovations in System Efficiency:

Research and development may yield innovations that improve hydronic and electric underfloor heating systems, optimizing their performance while increasing overall efficiencies.


As more New Zealanders embrace the comfort and efficiency of underfloor heating systems, the market continues to diversify to suit diverse needs. From hydronic or electric systems, homeowners can take comfort in radiant warmth provided by radiant floor heating – turning chilly days into cozy retreats!

Residents across New Zealand can discover their ideal underfloor heating solution through careful consideration of factors like climate, insulation and personal preferences, creating cozy havens of comfort in their own homes.