Pro Breeze 4-in-1 Portable Air Conditioner 7000 BTU with Remote Control, 24 Hour Timer & Dual Window Venting Kit Included. Powerful Air Conditioning Unit with Class A Energy Efficiency Rating

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You could try it but I am not sure all the heat would be removed by the extractor fan and you might end up with a buildup of heat in the room which you are trying to cool.

I’ve been looking on iwae.com at all of their various Mr. Cool DIY mini split configurations. My home is 100 years old, 8ft ceilings, mostly shaded except along the south facing side, located in Los Angeles. Our windows are all the original leaded glass french style, window a/c or portable a/c venting is not possible. The front public areas are an open floor plan, the living room is 40×23 and joins the 10×12 dining area thru an open double+ archway and has the 12×14 kitchen perpendicular. Dining area and kitchen along the sunny south wall. Would a 36k 16 SEER unit with the handler on the north LR wall alone be enough to cool the whole area, the full 50′ n/s width? Would we have a better cooling result if we place a 24k+9K, 24k+12k or a 18k+18k multi zone SEER 21.5 or 2 separate 18k SEER 20 units (for redundancy and no line extension cost) with the 9k, 12k or extra 18k handler on either the south dining area wall for cross ventilation or on the east dining area wall facing towards the kitchen? Particularly in the case of heat pumps and air conditioners, the cooling capacity of appliances is often given in BTU. Therefore, BTU is defined as how much heat energy is needed to raise one British pound of water by 1 degree Fahrenheit. I’m purchasing a Midea U window air conditioner to provide supplemental cooling for a hot bedroom in the summer. The bedroom is 17×18 with 9ft ceiling. The exterior wall faces west with 2 standard and 1 double window. There are doors to the bathroom and hallway but I keep them closed at night. I also keep the blinds drawn all the time but even still it gets hot from the afternoon sun and can be uncomfortable later for sleeping. I’m torn whether the 8000btu and 10000 btu units for my situation. The calculators seem to point to the 8000 btu unit being sufficient but I would love to hear your thoughts. I’m in Maryland Reply

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I’m trying to figure out the BTU size for a mini-split I want to put in an addition to augment the central air. The room is 12 x 19.5 with an open ceiling 12′ high at the peak and 7.5′ high on the east & west sides. It attaches to the rest of the rancher thru a 6′ x 6.5′ opening where a patio sliding door used to be. That door is now on the west wall of the addition, The south wall has two 5′ tall x 4′ wide casement windows on either side of one centered 5 x 6 bay window. Then there is a 5 x 5 casement on the east wall. Reply Portable units running of 110/120V go up to 15,000 BTU (above that, you’ll need 220/240V voltage). Obviously, dual hose units are better (higher efficiency, lower long-term costs; based on EER rating). How many people are in the room? One person gives off 100 watts of heat, which the air conditioner must compensate for.

Hello James, the usually 15,000+ BTU mini split units need run on 220V. If you’re looking at a 12,000 BTU 220V model, there is a chance the same mini split is available with 115V and double the amperage. The key here might be the heater. If it’s a 18,000 BTU heater, for example, the whole unit will usually need 220V. Reply Electric Pressure Washers Petrol & Diesel Driven Pressure Washers Hot Pressure Washers Pressure Washer Accessories Detergents, Chemicals and Algicides Pressure Washer Spares Hoses & Accessories With an 11,000 BTU rating, the Pinguino PAC EL110 can comfortably cool a room of 32 square metres. It also has an A energy efficiency rating and runs on R290, an eco-friendly gas. This is typical of De’Longhi models, according to Kandola. “They’re more energy-efficient and the gases are more environmentally-friendly.” The configuration problem I anticipate with using a single unit for the whole apartment is that the air flow from bedroom to living room involves passing through a narrow doorway and make a dog-leg turn. I look on fans as efficiency boosters, not as mandatory links in the cooling chain, if you see what I mean. Nor do I want to end up blasting the AC in one room but still getting an inferior result in the other. I’m never quite sure if the spirit of the advice not to oversize is not to say install a 30,000BTU unit when you needed a 6,000BTU but perhaps there is much less harm if you install a 15,000BTU when you needed a 10,000BTU? Do you have any thoughts on what a safe buffer/range is if you’re trying to balance different operating scenarios?Air quality. Some air conditioners have filters to remove allergens and mould from the air. HEPA is the highest filtration standard here. Many also double as dehumidifiers and some have a heating function, making them useful in winter as well as summer. Should an attic or a cellar be air-conditioned? Both types of rooms have different requirements. A cellar needs much less cooling capacity than an attic. Removes moisture from the air in your home, for a more comfortable humidity level. Reduces mould and mildew. Hello Bob, the space-wise structure you have there is quite complex. You should probably talk with an HVAC installation expert who can also recommend the best mini split to use, in addition to AC capacity (BTU). We have 1000s of experienced HVAC expert across the US, you can use this link to get an HVAC expert in your area to help you out. They’ll certainly know how to calculate that ceiling slope. Reply

Hello Monique, thank you for the question. The combined cooling output of 3 window ACs is 16,000 BTU; that should be your BTU target. Your thinking is on point; keep the 5,000 BTU window AC for the bedroom, and get a 12,000 BTU portable AC for the living room + kitchen. Noise-wise, the quietest portable ACs have th P.S. I live in southwestern Connecticut. Humidity is high and in recent summers the temperatures are sweltering for 6-8 weeks. Reply For further guidance, following a table that includes an estimated room size for air conditioners with different cooling capacities: Cooling Capacity (BTU) I’m looking at installing split system. My house is 4 bedrooms plus lounge/ dining and family/kitchen just wondering how many systems and what size( was advised by store that I would need 1 for each bedroom and possibly 2 others) Expensive!! But not sure if this will be correct?? ReplyAnything of a nature that for hygiene or associated health and safety - this includes the Outdoor Spas, Mattresses and Divan Sets Hello Karl, sufficiently cool even in Florida’s heatwave. That’s a very small room and quite a normal-sized air conditioner. You can set the temperature as cold as you wish; the 14,000 BTU AC will handle it. Reply The dual hose portable air conditioners have two key advantages: superb energy-efficiency and they don’t lower the pressure inside the room while running. However, they tend to be bigger – 14.000 BTU or so. If you can find a 8.000 BTU dual-hose one, that would be a very optimum choice. Hope this helps. Reply Thank you for the useful advice. My small apartment has openings in the wall for AC in the living room and the bedroom, thus I am debating whether to get one 14,000 BTU AC or two smaller ones. Any advice on the subject is appreciated. Reply