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Frequently Asked Questions

Are infrared heaters with equal gas inputs interchangeable?

Schwank Infrared Heaters :: Radiant Gas-fired
No. There could be significant differences in the infrared output, based on the burner material, configuration, operating temperature, mounting angles, combustion air input and reflector design. For example, on average, more than 50% of the heat generated by infrared heaters is convection heat, and in some inferior models the percentage of convection heat is as high as 65%.

What are ceramic infrared heaters?

SaunaGen? - FAQs
Most FIR sauna heater elements are steel-coated. Steel coating is an older technology that directs the heat source but requires more time to warm up, operates at higher temperatures, and uses more energy to reach the level necessary for deep tissue penetration. Now, ceramic-coated heater elements result in lower temperatures and more efficient energy use. Ceramic-coated FIR heaters produce the same useful energy as the sun at a very safe (. See similar questions...

How do infrared heaters work?

Schwank Infrared Heaters :: Radiant Gas-fired
Most infrared heaters employ gas combustion (propane or natural gas) to heat a steel tube (tube heater) or ceramic surface (luminous heater), which subsequently emits infrared heat. It’s important to note how much infrared heat is emitted. You should also be aware that an infrared heater produces both infrared radiant heat (that is directed at people and objects) and convection heat that rises and is for the most part lost. See similar questions...

Why do I need a 100 lb propane tank for the indoor gas heaters ?

Heater Shop FAQ - Our frequently asked questions about heate...
With the exception of the outdoorsman model which can run from a 20 lb tank, the indoor gas heaters require a 100 lb because of the speed at which the gas flows to the heater. The faster the propane flow the colder the propane gets (experience this by blowing air gently from your mouth to your hands, then blow some air as hard as you can into your hands - the faster moving air is colder than the slower moving air). See similar questions...

Do fan forced heaters perform better than infrared heaters?

Welcome to NuTone Online
This is a matter of personal preference. Infrared heaters will give you an instantaneous sensation of heat on your skin as long as you stay in range of the bulbs or element. Fan forced heaters raise the temperature of the air in the room so it will take longer to feel the heat. You are restricted to the line of sight that radiant heat requires. If you intend to use this as an emergency backup for freeze protection, definitely use a fan forced unit. See similar questions...

Question: What are 'direct gas-fired' heaters?

Cambridge Engineering FAQs | Gas-Fired Heaters
Answer: The burner fires directly in the air stream being heated rather than through a heat exchanger. This results in no wasted energy and 100% of available BTUs are delivered to the heated space because no flue or heat exchanger is required. See similar questions...

Why are Schwank infrared heaters more efficient than competing models?

Schwank Infrared Heaters :: Radiant Gas-fired
Schwank infrared heaters meet the strict European standards for efficiency and hence give you far more heat for your money. Our mission is to deliver the best in commercial and industrial heating solutions at the lowest life-cycle cost. Many North American manufacturers have attempted to capture market share by designing and building inexpensive, low efficiency infra-heaters that meet the minimum requirements of North American standards. See similar questions...

Have any studies been done to confirm the efficiency of Schwank infrared heaters?

Schwank Infrared Heaters :: Radiant Gas-fired
Yes, engineering studies supported by ASHRAE have determined that using standard infrared heaters the total BTU input of a heating system can be reduced by up to 15% compared to calculated design heat losses. Tests performed by a certified independent laboratory confirm primoSchwank and supraSchwank radiant efficiencies in the 65 to 82% range. This means the total BTU input with Schwank heaters can be reduced from 27% to 41%, depending on the Schwank infrared heater employed. See similar questions...

How do the heat patterns differ between infrared heaters with and without a lens?

Frequently Asked Questions - FAQs - Radiant Optic Heating
HotZONE™ heaters fitted with IRLensesTM increase the amount of infrared energy in the central beam by 3 to 5X that of a conventional heater by "stealing " the energy from the shoulders of the radiation pattern. There is a sharp cutoff between the hot beam and the cold shoulders. See similar questions...

Are the inputs balanced?

Technical Support
No. This piece is primarily aimed at the keyboard and similar sources. If you need fully balanced inputs use the SM 26S or the MLM 82S. However, the SM 82 outputs are balanced. See similar questions...

Q 6. Why Infrared heater is more preferred more than unit heaters?

Heater Faq's,Industrial Heater Faq's,Frequently Asked Questi...
Ans. Both types that is infrared and forced hot air heating system uses different method to create a comfortable temperature. Infra-red heats the air by using all three methods of heat transfer: radiation, conduction and convection. In other heating unit, the hot air rises to the ceiling and stratifies. It gradually work its way down to thermostat level hence the the floor slab never becomes warm enough to be comfortable. See similar questions...

Is there anything about the operation of instantaneous gas water heaters which I should consider?

Energy Labelling - Frequently Asked Questions
Instantaneous or continuous flow gas water heaters are designed to deliver steady stream of heated water for a bath, sink or shower. Each time they start, there is a sequence of water flow, ignition of gas burners and heating up of water. While this is usually quite fast, it may take several seconds to fully stabilise (up to 10 seconds in some cases). See similar questions...

How high from the ceiling can I mount the Gas Radiant Heaters?

AllFoodEquipment.com.au - FAQ's - Domestic & Commercial ...
Gas Radiant Heater should have a ceiling clearance of 1.2 metres. We can also supply a heat shield for low ceiling clearances if needed. See similar questions...

I don't know what type of Gas I have to use, do you have Heaters for both gases?

AllFoodEquipment.com.au - FAQ's - Domestic & Commercial ...
Gas Heaters either run on ‘LPG' or Natural' Gas and have different jets inside. You will need to find out with your gas supplier or council and we will order the correct one for you. See similar questions...

Question Are all direct gas-fired air heaters alike?

Cambridge Engineering FAQs | Gas-Fired Heaters
Answer: NO, selecting the wrong direct gas-fired heater can result in higher installation costs and higher operating costs. See similar questions...

Question: Isn't a BTU a BTU when comparing different gas-fired heaters?

Cambridge Engineering FAQs | Gas-Fired Heaters
Answer: For Blow-Thru™ and draw-thru heaters with the same input capacity, a Blow-Thru™ heater delivers: See similar questions...

Question: Do direct gas-fired heaters create humidity and condensation problems?

Cambridge Engineering FAQs | Gas-Fired Heaters
Answer: No, actual building studies show that Cambridge direct gas-fired heaters can help solve humidity problems, not cause them. See similar questions...

D. Will GFX also improve the performance of gas and oil water heaters?

GFX Frequently Asked Questions
Of course, recycling energy with GFX will improve the performance of every water heater, but the improvement may not always be as dramatic as with electric heaters since modern residential gas and oil water heaters generally provide an adequate supply of hot shower water. Notorious exceptions are the millions of combination oil systems operating with lime-coated tankless-coil water heaters. See similar questions...

E. What about tankless electric and gas water heaters that heat water instantly?

GFX Frequently Asked Questions
There's no stored energy in this case, but the G3-60 can instantly feed back 10 to 4 kW; corresponding to 50% to 40% of the power required to sustain a continuous shower at 2.25 gpm. Similarly, an instant gas water heater's load will be reduced by 34,130 to 13,652 Btu/hr (0.341 to 0.137 therms). Without GFX, a tankless electric water heater demands 83 to 41.5 amps at 240 volts to sustain a 20 to 10 kW shower stream. With GFX, AC current demand drops by 41.5 to 24. See similar questions...

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