MEASURES OF EFFICIENCY FOR FURNACES
The heating
The productivity of a gas heater is measured by the Yearly Fuel Use Effectiveness (AFUE), a rating
that contemplates misfortunes from pilot lights, start-up, and halting. The base AFUE for
most heaters is presently 78%, with efficiencies going up to 97% for heaters with consolidating heat
exchangers. The AFUE does not consider the unit's power use for fans and blowers, which can undoubtedly
surpass $50 every year. An AFUE rating of 78% implies that for each $1.00 worth of fuel utilized by the unit,
around $.78 worth of usable warmth is created. The remaining $.22 worth of vitality is lost as waste
warmth and fumes up the pipe. Proficiency is most noteworthy if the heater works for more periods. Larger than average
units run discontinuously and have diminished working efficiencies.
Heaters with AFUEs of 78% to 87% incorporate parts, for example, electronic ignitions, effective warmth
exchangers, better admission air controls, and instigated draft blowers to fumes burning items. Models
with efficiencies more than 90%, regularly called gathering heaters, incorporate extraordinary optional warmth
exchangers that really cool pipe gasses until they incompletely gather, so that warmth misfortunes up the fumes
channel are for all intents and purposes disposed of.
ليست هناك تعليقات:
إرسال تعليق