Chassis Type - If you're looking to buy a room unit, you should know right off the bat that there are fixed and slide-out chassis types:

?Fixed chasses are the most popular and are typically lighter and are installed and removed seasonally. They are what you think of when you think of a typical window air conditioner.
?A slide-out chassis is usually found on through-the-wall units and operate through a wall sleeve, although they, too, can be sometimes used in window applications. With a slide out-chassis is that owner is to perform maintenance or replacement of their window air conditioner more easily.

Company Resource:   Ground Source Heat Pump, Industrial Air Conditioner, Air Source Heat Pump, Modular Air Conditioner,

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