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Air-conditioner sizes are often given as "tons" of cooling, where 1 ton of cooling equals 12,000 BTU/h (3.5 kW). 1 ton of cooling equals the amount of power that needs to be applied continuously over a 24-hour period to melt 1 ton of ice. The annual cost of electric energy consumed by an air conditioner may be calculated as follows:
The Merit series is the lowest cost Lennox air conditioner, and there are 4 models of Single-stage with a 13, 14, 15 or 16 Seasonal energy efficiency ratio (SEER) rating. [2] The units are also available with ratings from 1.4 tons to 5 tons. [1] The company offers a warranty of up to ten years [3]
Wind. v. t. e. Wind power is a form of renewable energy in Pakistan which makes up more than 6% of the total electricity production in the country. As of 2018, wind power capacity in Pakistan was 1,287 MW. [ 1 ][ 2 ] The government is looking to increase the share of renewable energy and plans to add around 3.5 GW of wind energy capacity by 2018.
Porous pottery and coarse cloth maximize the area for evaporation. An evaporative cooler (also known as evaporative air conditioner, swamp cooler, swamp box, desert cooler and wet air cooler) is a device that cools air through the evaporation of water. Evaporative cooling differs from other air conditioning systems, which use vapor-compression ...
Aghazadeh Mansion in Abarkooh, Iran, has an elaborate 18-m windtower with two levels of openings, plus some smaller windtowers. A windcatcher, wind tower, or wind scoop (Persian: بادگیر) is a traditional architectural element, originated in Iran (Persia), used to create cross ventilation and passive cooling in buildings. [ 1 ]
Pakistan has seen many floods, the worst and most destructive is the recent 2010 Pakistan floods, other floods which caused destruction in the history of Pakistan, include the flood of 1950, which killed 2910 people; on 1 July 1977 heavy rains and flooding in Karachi, killed 248 people, according to Pakistan meteorological department 207 ...
The prevailing energy crisis in Pakistan is taking away 2 percent (or Rs 380 billion) of the economy, despite the government has spent Rs 1.1 trillion as subsidies on the sector in the last four-year which accounts for 2.5 percent of the total volume of economy. [50]
Air conditioner equipment power in the U.S. is often described in terms of " tons of refrigeration ", with each approximately equal to the cooling power of one short ton (2,000 pounds (910 kg) of ice melting in a 24-hour period. The value is equal to 12,000 BTU IT per hour, or 3,517 watts. [ 59 ]