Warehouse B[warehouseb.com] has Newair 13,500 BTU Portable Air Conditioner w/ Easy Window Kit (Factory Refurbished | NAC14KWH02) on sale for $325. Shipping is free.
About Refurbished Condition:
All Warehouse B refurbished equipment is in good to excellent condition (unless otherwise noted), carries a 90-day hardware warranty, and is refurbished (tested, cleaned and repaired) by a trained Warehouse B technicians which run meticulous hardware diagnostics and thoroughly inspect every Warehouse B product.
Can you add a duct to the intake vent to make it like a dual hose portable AC?
The single hose units are very inefficient. All the air that is exhausted thru that single hose has to be replaced. So where does that air come from? It will come from areas such as cracks, wall outlets, etc... The air it's pulling in is probably warmer that the air outside, especially if any air from the ceiling or from a wall that the sun is shining on. These can so inefficient that they will heat up the house as it is pulling in 120* air.
Can you add a duct to the intake vent to make it like a dual hose portable AC?
Quite interesting how it has a circular shape next to the exhaust to make it seem like it should be able to attach an intake. It's like a car with no options that have blanking panels everywhere for switches.
The single hose units are very inefficient. All the air that is exhausted thru that single hose has to be replaced. So where does that air come from? It will come from areas such as cracks, wall outlets, etc... The air it's pulling in is probably warmer that the air outside, especially if any air from the ceiling or from a wall that the sun is shining on. These can so inefficient that they will heat up the house as it is pulling in 120* air.
While none of that is untrue you are overstating the problem 100 fold.
1) Air leaks happen regardless of what unit you are using; opening doors, the house heating up / cooling down compared to outside, barometric pressure changes, wind, etc all cause a building to "breathe" and they were designed to.
2) You aren't likely to be pulling in 120F air unless you live in Death Valley. And unless you see cracks from your ceiling it is not coming from the attic (more than likely the floor is where the leakage occurs).
3) The amount you use (or should use) a temporary A/C such as this would make the "inefficiency" almost negligible.
4) Your bathroom's exhaust fan running just 5 minutes causes countless times more negative pressure / air loss than a single hose A/C even running for hours..
5) Wait until you find out what happens when you open the front door of your house.
Bottom line: unless you are using a portable A/C as your central air conditioning unit...you'll never recover the cost from spending double on a dual hose unit. That's like spending 30K extra on a car because it gets better gas mileage when it is just your sunday driver.
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1) Air leaks happen regardless of what unit you are using; opening doors, the house heating up / cooling down compared to outside, barometric pressure changes, wind, etc all cause a building to "breathe" and they were designed to.
2) You aren't likely to be pulling in 120F air unless you live in Death Valley. And unless you see cracks from your ceiling it is not coming from the attic (more than likely the floor is where the leakage occurs).
3) The amount you use (or should use) a temporary A/C such as this would make the "inefficiency" almost negligible.
4) Your bathroom's exhaust fan running just 5 minutes causes countless times more negative pressure / air loss than a single hose A/C even running for hours..
5) Wait until you find out what happens when you open the front door of your house.
Bottom line: unless you are using a portable A/C as your central air conditioning unit...you'll never recover the cost from spending double on a dual hose unit. That's like spending 30K extra on a car because it gets better gas mileage when it is just your sunday driver.