Infrared Technology

The Science Behind the Warmth

Infrared is the same energy emitted by the sun — safe, natural, and instant. No UV, no emissions, just pure radiant warmth.

The Electromagnetic Spectrum

Where Infrared Sits

Infrared radiation sits between visible light and microwave on the electromagnetic spectrum. The same warmth you feel from sunlight, without the UV rays.

Infrared spectrum diagram

No UV Radiation

Far infrared wavelengths contain zero ultraviolet radiation. Completely safe for prolonged exposure.

No Visible Light

Infrared operates below the visible spectrum. Zuna emits only a soft, ambient glow.

No Sound

Unlike fan heaters or gas systems, infrared heating is completely silent.

The Core Difference

Heats You, Not the Air

Convection & Gas Heating

Convection & Gas Heating

Traditional heaters warm the air around you. Hot air rises, cold air sinks, and the cycle repeats — wasting energy on air that escapes through doors, windows, and open spaces. Outdoors, convection is almost entirely useless as heated air is immediately carried away by wind.

Infrared Radiant Heating

Infrared Radiant Heating

Infrared energy travels in a straight line and is absorbed directly by people, furniture, and surfaces — just like sunlight. No air circulation means no wasted energy, no dust movement, and no delay. You feel warmth the moment it is switched on, indoors or out.

Element Comparison

Carbon Fibre vs Other Elements

Not all infrared heaters are created equal. The heating element makes all the difference.

Feature Carbon Fibre (Zuna) Quartz / Halogen Gas Patio Heaters
Heat-Up Speed Instant Slower response Slow warm-up
Light Output Soft ambient glow Bright orange glare Visible flame
Noise Silent Quiet hum Hissing / roar
Element Lifespan ~5,000 hours ~2,000 hours N/A (gas cylinder)
Running Cost Low (~$0.68/hr) Moderate High (gas refills)
Emissions Zero Zero CO2 emissions
Adjustability 9 power levels + timer Limited settings On / Off only

Natural Radiant Warmth

Why It Feels Like Sunlight

Infrared wavelengths are absorbed directly by your skin and surrounding objects, converting to warmth on contact — the same way sunlight warms you on a clear day, even when the air is cold.

Because infrared does not heat the air, there is zero air movement. No windchill effect, no dust circulation, and no dry throat. Just clean, comfortable, directional warmth.

This is why infrared heaters work beautifully outdoors — wind does not steal the heat because the energy is transferred directly to you, not to the surrounding air.

Sunlight warmth

Engineered for Performance

Zuna's Carbon Fibre Element

Carbon fibre heats faster, lasts longer, and produces a softer glow than quartz alternatives — delivering a superior infrared experience.

Instant Response

Reaches full operating temperature in seconds, not minutes.

5,000hr Lifespan

More than double the lifespan of quartz or halogen elements.

No Glare

Soft amber glow instead of the harsh orange glare of quartz heaters.

Silent Operation

Zero moving parts means zero noise. No fans, no hissing, no hum.

Carbon fibre element close up

Experience It for Yourself

See the Zuna Infrared Heater 2000W — carbon fibre technology, premium build, designed in New Zealand.

View the Product

Free Shipping · 3 Year Warranty · NZ Owned