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Usually we design structures and to do this every element of the structure is put into considreration. I need this as an input into my design work. I could have checked it out from my text book but its unfortunate that I have none with me now. Please help out if you can? Please dont give me silly anwers for for your selfish interest of adding point to your account!

2007-01-08 23:22:59 · 5 answers · asked by ASA 1 in Science & Mathematics Engineering

5 answers

A residential window unit weights from 40 to 90 pounds.
A residential whole house unit has two parts, the compressor outside at about 100 pounds and the coil inside at about 20 pounds (or the blower, etc., at about 100 pounds)
A commercial unit of the type that goes on the roof blowing down into the building weighs 400 pounds and up. Bigger evaporating units start at about a ton and go up with the water weight added in.

2007-01-09 00:03:40 · answer #1 · answered by Mike1942f 7 · 0 0

Unit Weight Of Air

2016-11-04 06:13:43 · answer #2 · answered by Anonymous · 0 1

A split system or inverter unit will have an indoor component mounted to a wall or ceiling, average mass = 9kg, and an external unit, average mass = 30 - 90kg.

This is a rough answer, obviously the units will vary according to the power output you require. A 7.5 kW unit will work for about 60 square metres of area needing cooling (depending on the insulation and sun exposure); these are the ones that mass at around 90kg.

(I've used SI units because that's what we use in Australia, if you're using imperial then good luck with converting)

2007-01-08 23:57:41 · answer #3 · answered by Sean F 2 · 0 0

The purpose of this document is to assist those who may want to add a window air-conditioning unit in their off-campus unit. This is not permitted where Caltech has provided air-conditioning. Caltech sells only casement style a/c units for use in the on campus dormitories. We sell no other a/c units. Prior to your purchase of any air conditioning unit, you must call Housing Maintenance at 626-395-6175 and have them site inspect to ensure you have the electrical power needed to operate a window a/c. If it is determined that the electrical service cannot handle the additional load of adding an air conditioner, Caltech will make no changes in order to accommodate an air conditioner.



If you are able to install an air conditioner, Caltech must install it. You will be charged the exact labor rate for installation. The average labor cost for this installation is $45.00. The average labor rate per hour per man is $30.00.



Here are some helpful hints on purchasing a window air-conditioning unit for use in an off campus unit.



Window unit:
The window unit is (usually) easy to install into any standard double-hung window. It should offer multiple cooling options (low - high). This is the kind that most people get because it's the cheapest; you just stick it in a window and hope it doesn't fall on anyone below.
Cost: $250-$800
Weight: approximately 120 lbs.

Before you get ready to go shopping, it's a good idea to check out Consumer Reports or some other product-rating publication so you know which models are recommended based on what you're considering buying. Don't select a no-name brand without researching it or you won't know what kind of quality and durability you're getting. If you aren't interested in hunting down air conditioner brand ratings, then pick a brand you already trust, such as General Electric, Amana, Sharp, or Whirlpool.

Now you're ready to go to the store. To find one, we suggest that you look in your newspaper for air conditioners that are on sale and see what else they have in stock. We also recommend that you go to a "superstore" that specializes in selling appliances such as air conditioners (they tend to have the best people on staff to help you… in fact, they're super). And most importantly, don't forget to bring your room dimensions along with you.

2007-01-09 00:05:35 · answer #4 · answered by Anonymous · 0 0

What kind? Residential units weigh anywhere from 25 lbs to a few hundred. Commercial units can weigh many tons.

2007-01-08 23:58:33 · answer #5 · answered by gebobs 6 · 0 0

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