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Diesel Boiler Radiator Heating System — Detached House

Elevate home heating with the unparalleled advantages of a hydronic diesel boiler and radiator heating system. This diesel boiler specifically designed for New Zealand conditions partnered with radiators provide optimal warmth and comfort for new or existing single or multi-story domestic dwellings. 

  • Enjoy the luxury of even room heating thanks to radiator systems that distribute warmth uniformly with a higher temperature output
  • Most popular heat source in the South Island, and areas of the North Island where there is no natural gas
  • Say goodbye to forced air flow and welcome a healthier environment with the radiant warmth of radiators. Central Heating is the ideal choice for individuals with respiratory and allergy problems making homes drier, warmer, and healthier
  • Rest easy knowing that this system means the highest industry standards, using BRANZ-appraised Multitubo pipework 
  • Experience the bliss of whole home heating with a system that operates silently and creates an atmosphere of ultimate comfort, providing efficient, and customised warmth via even radiant heat
  • Choose from a range of radiator styles and colours that effortlessly blend in to home decor, or stand out as a captivating focal point

The hydronic diesel boiler system

  • BRANZ appraised Multitubo Piping System: Benefit from the efficiency and reliability of a piping system backed by the renowned BRANZ appraisal
  • Highly efficient, quiet and robust Firebird Diesel Boiler: Experience up to 90% efficiency for Standard Efficiency models and up to 98% for High Efficiency models
  • SmartOne or Nest controller: Take control of the heating system with ease using intuitive smart controllers

Optional extras:

  • Hot water cylinder heating: Enhance systems by incorporating hot water cylinder heating, further elevating comfort, efficiency and convenience
  • Other hydronic options such as underfloor and towel rails: Explore underfloor heating and towel rails as add-ons for a complete heating system
  • Can be integrated with solar power systems
Key Features

Firebird Diesel Boiler:

  • 5 year warranty
  • Up to 90% efficiency for Standard Efficiency model and up to 98% for High Efficiency model
  • Indoor and outdoor options
  • Elco Blue Burner which exceeds the EU's low NOx legislations
  • Compact size — smaller than a washing machine
  • 20, 26, 35 and 44kW models available
  • Running cost of 16.8-18.5¢/kW depending on the boiler and the location of the home
  • Diesel boiler specifically designed for New Zealand conditions and requirements
  • Suitable for domestic hot water or radiators and underfloor systems

Radiator Multitubo Piping System: 

  • 25 year warranty
  • BRANZ Appraised
  • Product life of more than 50 years
Scope of Use

At Central Heating New Zealand, our highly skilled engineers offer a free design service where they calculate the heat demand for each room in the home. Taking into consideration crucial factors such as insulation, airtightness, ceiling height, window sizes, and incidental heating to determine ideal radiator sizes to ensure even, radiant heating throughout.

  • Residential — radiators are suitable for single or multi storey stand-alone dwellings
  • Strategic placement of radiators throughout the home guarantees uniform, even heating effectively eliminating any cold spots and ensuring a cozy environment in every room
  • Designed to withstand all climate zones, CHNZ's systems can efficiently operate even in extreme conditions with a minimum outdoor air temperature of -20°C
  • Radiators provide a highly responsive and flexible heating option, ideal for both new constructions and existing homes. They quickly heat up and cool down, perfectly suited to New Zealand's ever-changing weather patterns
  • Can be integrated with solar power systems
Limitations on Use
  • Homes with extensive glazing or open areas may require additional or larger radiators effectively cater to the specific heating requirements. Central Heating's design engineers take this into consideration when doing the home's heat load requirements so that the home remains comfortably warm regardless of its unique design features
  • Please note that radiators and diesel boilers do not provide cooling functionality — for cooling options please contact Central Heating New Zealand
Statement of Building Code Compliance
  • B2 Durability — BRANZ Appraised. Multitubo pipes have a life expectancy in excess of 50 years
  • H1 energy efficiency — systems are designed to be efficient in their operation and the insulation required for heated elements as listed in AS1 must be achieved
  • Diesel boiler fuel tanks have been designed and manufactured to AS/NZS standards
In-Service History

Central Heating New Zealand, the industry leader in hydronic heating has been at the forefront of supplying and installing state-of-the-art systems throughout New Zealand for the past 20 years. With an unwavering commitment to excellence and a stellar reputation, they have earned their place as the go-to hydronic supplier and installer in the country. 

Their extensive experience spans over 15,000 residential and commercial projects, solidifying their position as the preferred choice of those seeking superior heating solutions. By consistently delivering exceptional results and surpassing customer expectations, Central Heating New Zealand has set the stand for excellence in the industry. 

In addition, since 2001, Central Heating New Zealand partnered with Firebird making it the first export country outside of the British Isles. Firebird has been a trusted and sought-after diesel boiler manufacturer for over 40 years further enhancing CHNZ’s ability to provide effective, efficient, and long-lasting heating solutions to homes and businesses across New Zealand.

Other Performance Attributes
  • Central Heating New Zealand launched a new diesel boiler specifically designed aesthetically and functionally for New Zealand requirements. The diesel boiler includes the Elco blue flame technology burner resulting in a boiler that is easy to install, commission, and service, and has a wider operating tolerance and high efficiency
  • Running cost of 16.8-18.5¢/kW* depending on the boiler and the location of the home
  • Elco Blue Burner has clean burner technology, a wider operating tolerance, reliability, and technical superiority which exceeds the EU's low NOx legislation
  • Clean combustion range — 9.5-14.3 CO2
  • Higher temperature output typically 70-80°C resulting in quick reaction time
  • Outdoor models feature a corrosion-resistant, weatherproof, and fully insulated casing that houses the boiler and required accessories
  • Firebird diesel boilers ensure high performance is maintained in temperatures as low as -20°C
BRANZ Appraised
BRANZ Appraised
Diesel Boiler Schematic
BRANZ Appraisal 740: Multitubo Composite Pipe

No 740 [2017]

BRANZ Appraisal 916: Multitubo RE-RT Pipe System for Underfloor Heating

No 916 [2021]

Central Heating Controls
DeLonghi Radiator Colours
Diesel Boiler Brochure
Diesel Boiler Info Sheet
Radiator Brochure

Central Heating New Zealand provides tailored heating and cooling solutions to homes and businesses.

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