Radiant Heaters

Running a weather-resistant HEATSCOPE outdoor radiant heater costs roughly the heater's wattage divided by 1,000, multiplied by your local electricity rate per kWh. A 3,000 W heater run for one hour uses 3 kWh, so at an illustrative rate of $0.20/kWh it costs about $0.60 per hour to run.

Per-hour figures across the range, at the same illustrative $0.20/kWh rate:

• 1,600 W compact heater: $0.32/hour at full output, $0.16/hour at 50%
• 2,800 W heater: $0.56/hour at full output, $0.28/hour at 50%
• 3,000 W heater: $0.60/hour at full output, $0.30/hour at 50%
• 3,200 W heater: $0.64/hour at full output, $0.32/hour at 50%

Actual cost depends on your local electricity rate, so replace the illustrative figure with your own tariff for an accurate calculation. A two-hour session at full output on a 3,000 W heater sits near $1.20 at that rate; running the same session at the 50% setting drops the cost to around $0.60.

Mid-wave infrared technology converts up to 94% of energy directly into directed warmth, with minimal energy lost to air or wind dispersion. That efficiency, combined with permanent outdoor installation and weather-resistant construction, is what keeps the cost per comfortable hour low across patios, terraces, and hospitality settings.

An IP rating certifies how effectively a radiant heater sustains direct heat transfer over its service life by specifying the sealed housing's resistance to solid intrusion and water. Defined by international standard IEC 60529, the code uses two digits: the first (0-6) grades protection against solids, from stray objects through to fine dust; the second (0-9) grades protection against water, from vertical drips through to pressurised jets. For outdoor use, both digits carry real weight.

The water digit gets most of the attention, but the solid digit is what determines how the heater copes with airborne dust, pollen, salt spray and fine grit, precisely the particles that settle on electrical components in coastal, windy or bushfire-prone sites. A higher first digit protects the heating element and internal wiring from the kind of gradual ingress that shortens service life long before water does.

HEATSCOPE ranges span IP24 to IP65, so the relevant question is not whether a heater is 'outdoor rated' but which pairing of digits suits the specific exposure. Matching the rating to the site protects performance, warranty validity, and the consistent direct heat transfer the infrared element is engineered to deliver.

Direct heat transfer is the fundamental advantage of radiant heating, which warms people and objects in its path rather than heating the surrounding air. This delivers several distinct benefits: energy conversion rates of 87–94%, near-instant warmth within 15–60 seconds depending on the model, and silent operation with no moving parts. Radiant heaters produce no emissions, odours, or ash, and require no gas lines, flue systems, or ventilation infrastructure, making them ideal for retrofit installations and spaces where traditional heating isn’t practical.

The trade-off is directional coverage. Radiant heaters warm only the areas within their line-of-sight. Someone standing outside the beam path receives minimal benefit. This also means they function as zone heaters rather than whole-room ambient heating, effective for creating comfort zones in outdoor entertaining areas or specific indoor spaces, but less efficient for warming every corner of large rooms simultaneously. Covering expansive areas requires multiple units, which carries a higher upfront cost than a single centrally-mounted system. Installation demands appropriate electrical infrastructure (220–240V, professional installation), and in cold climates, multiple heaters may be necessary to achieve ambient comfort comparable to forced-air or hydronic systems.

Rather than limitations, many customers view these characteristics as precision advantages: the ability to heat only occupied spaces, reduce energy consumption, and extend the usable season in outdoor areas without the capital expense of full-home heating infrastructure.

HEATSCOPE weather-resistant infrared heaters reach full output in under 15 seconds on most models; the glass-fronted range reaches comfortable warmth in under 60 seconds. You feel the warmth almost the moment the heater switches on, because infrared radiation travels through the air like sunlight and warms people and surfaces directly rather than heating the surrounding atmosphere.

That direct-to-body transfer is why outdoor patio heating with infrared behaves differently from a gas patio heater or a fan heater. There is no lag while the air temperature climbs, and almost no heat loss to wind or open sides of a pergola. Two practical benefits follow:

• Guests arriving to a cold terrace feel warmth within seconds of the heater being switched on, rather than waiting 20 to 30 minutes for air temperature to rise.
• Instant-on, instant-off operation means you only run the heater during occupied moments, keeping energy use close to actual occupancy time.

Carbon fibre elements are rated for at least 10,000 operating hours, and radiant efficiency across the range sits between 87 and 94 percent, so that fast warmth is delivered consistently across years of residential or commercial use.

Yes, Heatscope radiant heaters can be used in the rain, though suitability depends on your model's weather protection rating. Our heaters are engineered with IP ratings that specify their water-resistance capability, allowing us to rate them for different outdoor conditions.

Our highest-rating models carry IP65 certification, meaning full protection against dust and direct water jet spray, suitable for fully exposed outdoor installations without shelter. Other models in our range achieve IP25 to IP24 ratings, which provide splash-water protection and work best in partially covered areas such as patios with an overhang or pergola.

Beyond the IP rating, installation technique enhances durability. A slight downward mounting angle helps water run clear of electrical components. Positioning the heater under an eave or pergola extends the usable season, even for splash-rated models, letting you heat covered outdoor spaces across rainy months. All Heatscope heaters undergo rigorous German engineering testing protocols that validate weather performance. Check your specific model's IP rating when selecting an installation location to ensure the right match for your space's exposure.

Direct heat transfer is the defining advantage of HEATSCOPE® radiant heaters. Unlike gas heating, which heats the air first and loses warmth to wind and surroundings, infrared heaters beam radiant heat directly to people and objects. You feel warmth in seconds rather than minutes, and wind does not steal the heat, a critical edge in outdoor settings.

Beyond heat delivery, electric infrared eliminates the infrastructure demands of gas. No gas lines, no flue or ventilation requirements, no specialist fitters. Wall or ceiling mounting takes two screws and a 220-240V circuit, freeing floor space and keeping heaters out of reach. Zero combustion byproducts mean the units are safe for enclosed outdoor spaces (patios under pergolas, covered dining areas, outdoor rooms) where ventilation limits would rule out gas.

The reliability advantage is significant. No valves, ignition components, or burners to service. No annual maintenance, seasonal prep, or gas-pressure issues. Silent operation with no fans stirring dust or allergens. One installation and the heater runs flawlessly year after year: the set-and-forget simplicity that appeals to hospitality operators and discerning homeowners alike.

When you compare the total ownership experience, including instant heat, no emissions, design freedom, and zero-service reliability, the case for radiant electric is compelling.

Yes, weather-resistant outdoor radiant heaters are purpose-built for covered areas like pergolas, and a sheltered structure is the ideal setting for infrared heating. Because the heat travels in a direct beam to warm people and surfaces rather than the surrounding air, a pergola roof helps contain that warmth without the wind dispersion open patios experience.

Pergola installation comes down to clearances and mount choice. Heatscope models accept wall or ceiling mounting across the range, with a minimum 1,800 mm [70.9 in] clearance from the lower edge of the unit to the floor, and 200 mm [7.9 in] from any power source. When the pergola ceiling sits lower than standard, extension rods of 100, 300 or 500 mm drop the heater to the correct height. Timber pergolas are fine with Heatscope spacers, which maintain the recommended distance from combustible material. Installation must follow local electrical wiring standards and be carried out by a licensed electrician, connected through a residual current device (RCD).

Infrared radiant heating technology uses direct heat transfer: electromagnetic waves deliver warmth from the heater to people and surfaces, bypassing the surrounding air entirely. HEATSCOPE radiant heaters emit mid-wave infrared radiation that is absorbed by solid objects (people, floors, surfaces) on contact. Because air is largely transparent to these wavelengths, warmth is not lost to wind, draughts, or dispersal in open spaces.

Mid-wave infrared is quickly absorbed by solid surfaces and skin, replicating the natural sensation of direct sunlight without heating the air around you. HEATSCOPE's dual carbon spiral heating elements emit this radiation through ceramic glass fronts with minimal visible light, delivering quiet, directed warmth. Designed to German engineering standards, this technology performs consistently indoors and in exposed outdoor environments.

HEATSCOPE® radiant heaters deliver direct heat transfer using mid-wave infrared technology that penetrates the first skin layers, creating genuine sun-like warmth rather than surface heating. Unlike many electric outdoor heaters that rely on short-wave infrared producing bright red glows and uncomfortable high-intensity heat, HEATSCOPE® heaters use colour-matched grill screens to reduce light output to just 30-40% of traditional radiant heaters. The Spot series produces approximately 600 lumens (per product specifications), whilst the Vision and Pure Plus ranges deliver less than 300 lumens, preserving outdoor ambience without harsh brightness.

The engineering differences extend to durability and materials. HEATSCOPE® heaters use carbon fibre heating elements and, in the Pure Plus range, SCHOTT NEXTREMA® premium convex glass, a material exclusivity among electric infrared heaters. The Pure model achieves IP65 weather resistance (dust and waterproof), exceeding the typical IPX5 rating of competitors, ensuring reliable outdoor performance across seasons.

For connected home environments, an optional ZigBee Bridge enables wireless control, motion sensors for automated triggering, and compatibility with Alexa and Google Assistant. An optional WiFi Smart Switch adds smartphone app control. Dual power levels at 50% and 100% output allow precise zone heating for energy efficiency without waste.

The Pure Plus suits fully exposed outdoor installations, Vision minimises visible light for sheltered alfresco dining, Next covers semi-open and indoor-outdoor transitions, and Spot provides compact, targeted directional warmth. Weather-resistant requirements are the primary filter.

Pure Plus is the definitive choice for open-air patios, pool surrounds, and unroofed terraces. It carries the highest weatherproof rating in the range (IP65) and uses a convex SCHOTT NEXTREMA glass-ceramic front that spreads sun-like warmth evenly while softening the visible glow.

For covered alfresco rooms, loggias, and sheltered dining zones where atmosphere matters alongside warmth, Vision is the model to consider. Its ceramic glass front reduces visible light to a minimum, creating the most ambient footprint of the range at 3,200W, the highest heat output in the lineup.

Next suits semi-open terraces, verandahs, and spaces that shift between indoor and outdoor use. Its slim aluminium profile fits flush to wall and ceiling surfaces without visual bulk.

Spot concentrates directional infrared on a specific zone, a balcony, a covered nook, or a set of seats, and comes in two output levels to match the space.

Every range includes two-stage output control and a 2-year warranty. ZigBee smart control is available as an optional accessory on most models.