Portable air conditioning hire means the wheeled spot coolers that stand in the room and duct their heat away, from a 1 ton unit on an ordinary outlet to 5 ton machines on 208 volt power. Weekly rates commonly run from about $150 for the smallest to $700 and up for the largest, with a month priced near three weeks.
A spot cooler is not a fan
It is a refrigeration machine that makes cold air at one end and hot air at the other, so the heat has to leave the space through a duct, a window kit or a ceiling void. Left blowing into the same room it adds heat instead of removing it. Where the hot air goes is the first question the branch will ask.
Size by load, not by floor area
Server rooms, kitchens and workshops are driven by the equipment inside them, so a small room can need several tons while a large empty one needs one. Count the heat sources, add people and solar gain through glass, and hire slightly over rather than under. An undersized machine runs all day and never catches up.
Power is the usual surprise
The 1 ton class runs on an ordinary 115 volt circuit, and even then it wants that circuit largely to itself. From about 1.5 tons upward the machines move to 208 or 230 volt connections, which on many sites means an electrician or a generator. Settle the supply before the machine is booked, not on delivery day.
Condensate, filters and the week going well
Every cooling machine makes water. Some units pump it away and others fill a tank somebody has to empty, and a full tank shuts the machine down overnight. Ask which one you are getting. Keep the intake filter clear on a dusty site, because a blocked filter freezes the coil and looks exactly like a broken machine.
Questions people ask about portable air conditioning rental
How many tons of portable air conditioning do I need?
A rough starting point in an office is a ton for every few hundred square feet, but equipment loads override that completely. For a server room, add up the kilowatts of gear and convert, because every kilowatt of electronics is a kilowatt of heat. Give the branch the load and let them size it.
Can a portable air conditioner be rented for one day?
Yes, though the week is the common ticket and often costs little more than two or three days. Same day hire during a heat wave or after a plant failure is a normal request, and the branches that carry this fleet expect it. In July availability, not price, is the real constraint.
Where does the hot air actually go?
Through a flexible duct into a window kit, a dropped ceiling, another room that does not matter, or an outside wall. It cannot be left in the cooled space. On longer hires a proper duct run and a piped condensate line, fitted by the yard, are worth the extra line on the quote.