Concealed Duct Heat Pump Mini Split Indoor Unit. Even 9000 btu is more than needed for a 150 ft2 enclosed bedroom. One to one systems tend to be simpler, more reliable and easier for customers to take care of. If you are at all thinking about the horizontal ducted units still also consider that they need service space beneath them. They're seen all over the world and are starting to become noticed and used here in North America, particularly in homes with small heating and cooling loads. The only other downside is losing a bit of closet space. A concealed duct mini-split could be what you need if this is the case. On Sale Ends 06/30. The regular single zone heat pump air handlers fits better in a closet, since they're shaped more like a normal furnace. Mini split systems can have one or more indoor units connected to a single outdoor unit. Free Shipping. $2,439.60. The Fujitsu xxRLFCD series can be mounted vertically just like an up-flow furnace, easy to fit into a closet. Thanks for the link, @Steve Knapp. Condensate pumps are quiet but still noticeable. When your order is ready, you will receive an email including specific pickup instructions. The list goes on but the point is that with a lot of these systems there are a lot of things that can go wrong. If anyone has had experience with either of those, I'd love to hear what you think! Finally they'll bury the ducts under R38 blown insulation. Said yes, they can put an upflow unit in a closet, and run trunk and branch ductwork down the center. If you want a bit of zoning, what you can do over provision that branch with say 120% of the flow required. I know doing this was dumb but aesthetics won out over efficiency. Mitsubishi makes a nice upright air handler that would give you the mini split modulating benefits with the conventional footprint you are looking for. When you first turn on the mini split, it will run at full speed to cool down the room quickly and runs at minimum capacity to maintain the room temperature. Wed have to move the lighting and smoke detectors. We're planning to remodel a bathroom, and might put in can lights. All modern inverter units will easily modulate around that much flow/pressure change without any fancy zoning controls. We carry high-quality units from only the best names around, including LG, Daikin, Panasonic and Friedrich to ensure customer satisfaction. With the weight of them they need a prefab base or a well built return air base to pull return air into the bottom of the unit. According to CoolCalc, it comes out to 17,510 btuh for cooling, with a design temperature of 78F. For the return path, I was hoping that the gap under the doors is already sufficient, or that they could be trimmed just a bit. Why Can't I Select Local Pickup for Some Items? A zone is a room or area within a building that has its own temperature control. Slim line construction You will be averaging about 110 CFM per room. $2,238.17. I had a more knowledgeable HVAC company come and take a look. I'll probably get another contractor to come to the house. Why 16 refrigeration connections for 4 indoor units? from $2,068 00 from $2,610 00 Save $542. Mitsubishi - 15k BTU Cooling + Heating - M-Series H2i Concealed Duct Air Conditioning System - 17.3 SEER (Scratch & Dent), LG - 18k BTU - Low Static Concealed Duct Unit - For Multi or Single-Zone. I am only putting splits in the upstairs; the downstairs is radiant. The option of just putting the heads in the hallways is particularly viable for a cooling dominated climate where the peak load is in the middle of the day when the doors are open. * put the air return in the hallway You must be a magazine subscriber to access this feature. Ducting a mini split system is a great way to increase the efficiency of the unit and to distribute the cool or heat evenly throughout the home. You will be prompted to enter the name, mobile phone, and email address of the person who will be picking up the order during checkout. We could potentially wall it in with some insulation for soundproofing. But after getting through summer heat waves where the AC never even turned on high, it sure does seem like 1.5 tons would have been sufficient, even before adding more insulation. Some products are only capable of cooling, while others can either heat or cool a space. This option is very attractive for its simplicity. Standards motors have a hum and you'll hear it, since it is low frequency it is next to impossible to sound proof. A right-sized ducted cassette with tight better-than-code insulated ducts works. They will need to be cleaned (every 3 years?) A ducted mini split indoor unit could fit in the attic -- though we'd have to cut a bigger opening in the ceiling to get it up there. I live in the similar climate zone and my solution is to install a good 1 to 1 small mini split for each bedroom. The regular single zone heat pump air handlers fits better in a closet, since they're shaped more like a normal furnace. Or a 12k btu is small enough to be pretty simple, and it could handle the bedrooms plus bathroom, and then a 12k btu high wall or recessed unit for the family room. Grille customization options: A concealed mini-split pushes temperature-controlled air through ductwork before releasing it through a ceiling or wall grille. It is useful for comparing energy efficiency of cooling systems. 1 Concealed Duct Mini-Split Systems: What You Need To Know 1.1 What Is A Concealed Duct Made Of? Said that even though the smallest capacity ones are way oversized for the bedrooms, they can dial back enough to be comfortable. Most of these units modulate based on temperature and pressure and it takes a lot of controls and sensors to do that. Most people install in attic or crawlspace. All our ducted mini split systems are easy to install and maintain. Halle (Saale), or simply Halle (German: [hal]; from the 15th to the 17th century: Hall in Sachsen; until the beginning of the 20th century: Halle an der Saale [hal an de zal]; from 1965 to 1995: Halle/Saale) is the largest city of the German state of Saxony-Anhalt, the fifth most populous city in the area of former East Germany after (East) Berlin, Leipzig, Dresden and . Ceiling joists are 24" on center. Were in California, Zone 3C, in a 1961 house with a ventilated, unconditioned attic. So I have 3 rooms and 2 baths. And agree, @Jon R, that 5 pascals is high. Lot of them have a built in condensate pump but can also be plumed for gravity drain. The bulk of the indoor air handler is hidden in the attic, dropped ceiling, or crawl space. Items are usually ready for pickup the same day the online order is placed, but this will depend on order volume and time of day. Home Concealed Duct These units are perfect for switching from central to ductless air conditioning! The latter typically requires much thicker foam (or foam + fluffy) and it needs to be applied over a much larger area. The complete source for building, designing, and remodeling green homes. This feature has been temporarily disabled during the beta site preview. When to Choose a Ceiling Cassette Unit Ceiling cassettes are discrete units that hide the bulk of the unit above the ceiling. it is insulated for this reason. Minimized Height New mid-static ducts provide ideal solution for installation in limited space. Doors are 32" wide, so shouldn't need to have too much of a gap. To solve an air conditioning problem, a contractor proposes to put two units in an unconditioned attic By Scott Gibson | March 19, 2018 A ducted minisplit in the attic: This photograph provided by Mitsubishi shows a ducted minisplit installed in an attic. If you're installing concealed duct min split air system, Hudson says you can expect to pay anywhere from $2,500 to $7,500, which includes the system and labor. Orders that have not been picked up within two business days may be cancelled. The roof was recently replaced and we added solar panels, so we dont want to add a layer of foam on top and redo it all. * bury the ducts in insulation Rated Capacity: 27k BTU Cooling, 30k BTU Heating. They don't recommend running ductwork in our attic, especially given how hot it will get in the summer. it looks extremely simple to construct and it has 8 outlets! About the Leopoldina. Also, the ducts would fill up what little space is big enough for a person to fit up there, so it would become completely inaccessible. 4 rooms * 9000 btu = 36000 btu, which is about double what we need. A concealed duct offers a discreet option over its ductless counterparts. We will use this information to ensure the order is picked up by an authorized individual. The windows are all horizontal sliders, so not a great match for a window AC. Our home has a newly installed Mitsubishi ducted minisplit. I'll have to figure out whether transfer grilles are needed in a couple of rooms. If the door is going to be closed often, I'd limit room pressurization to 1 pascal. This won't delete the articles you've saved, just the list. I would suggest using a ducted unit as opposed to multiple heads or cassettes. This might be much smaller. To ensure the system suits the aesthetic of your home, you can choose from a variety of different grille options for each zone. Save 2% instantly by using our convenient "e-check" option or by simply mailing us a paper check. Here are the pros and cons that I can think of: In-room: Pros: * No duct loss * Mini splits are in-room, not in unconditioned space * Each room is its own zone Cons: * Oversized. Any reaction to that advice? We're considering switching to the IR remote and receiver, because then we can use a Cielo or Mysa smart thermostat to send the remote signals. Write A Review. Pros: * No duct loss * Mini splits are in-room, not in unconditioned space * Each room is its own zone Cons: * Oversized. >"4 mini-splits in bedrooms, or a single ducted mini split serving all the bedrooms from an unconditioned attic?". Refer New Customers & Get Rewarded - Up to $100 For Each New Referral, Rated Capacity: 15k BTU Cooling, 18k BTU Heating. The territory is now part of the federal state of Saxony-Anhaly (Sachsen-Anhalt). Includes (1) AOU18RGLX Outdoor Unit, (1) ARU18RGLX Indoor Unit, Rated Capacity: 24k BTU Cooling, 27k BTU Heating. Includes (1) MXZ-3C30NAHZ3 Outdoor Unit, (1) SEZ-KD12NA4R1.TH Concealed Duct Unit, (1) SEZ-KD18NA4R1.TH Concealed Duct Unit, (2) MHK2 Wireless Remote Controllers. for example I really like the supply plenum he used . Includes (1) AOUH09LUAS1 Outdoor Unit, (1) ADUH09LUAS1 Indoor Unit, LG - LVN181HV4 - 18,000 BTU/Hr - Vertical Air Handler Heat Pump Mini Split Indoor Unit, LG - LVN361HV4 - 36,000 BTU/Hr - Vertical Air Handler Heat Pump Mini Split Indoor Unit, Rated Capacity: 12k BTU Cooling, 14k BTU Heating. Jumper ducts? 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I don't have any attic space, just a roof / ceiling insulated with foam, but I'd like to condition the space and was hoping to install a concealed-duct unit with three supply ducts and a return. 1.1.1 Indoor Air Handler 1.1.2 Accessories For The Indoor Unit 1.1.3 Outdoor Condenser 1.1.4 Accessories For The Outdoor Unit 1.2 What Are The Features Of A Concealed Duct HVAC System? The main goal is cooling. What I'm leaning towards now: Includes (1) AOU24RGLX Outdoor Unit, (1) AMUG24LMAS Indoor Unit, LG - LVN241HV4 - 24,000 BTU/Hr - Vertical Air Handler Heat Pump Mini Split Indoor Unit, Rated Capacity: 9k BTU Cooling, 12k BTU Heating. Includes (1) PUZ-A12NKA7 Outdoor Unit, (1) PEAD-A12AA7 Indoor Unit, Rated Capacity: 22k BTU Cooling, 22k BTU Heating. Yes, your order will be delayed slightly (5 business days). There are a few things to consider when ducting a mini split system, such as the size of the ductwork and the layout of the home. Lots of south and southwest windows, only 6" of ceiling insulation. Thanks for the tip about Chiltrix, @charlie_sullivan! 2023 The Taunton Press, Inc. All rights reserved. It is the same model as the one recommended by the homeowner's HVAC contractor. Not sure if the air handler will be noisy to have in a bedroom closet. Unless impossible, go for gravity drain. The loads in our bedrooms are so low that I can't justify individual heads. A concealed duct mini-split can use your existing ducts while providing a more efficient zoning option. I can attest to the compounded reliability problem here. One thing most people dont realize is that each piece, indoor or outdoor, has at least two control boards plus their own fans, motors, wheels, metering devices. About the Leopoldina Allison Bailes seems to like this product for reducing the pressure difference: https://www.tamtech.com/product/perfect-balance-in-door-return-air-pathway/. Skip to Main Content Skip to Search Filters Skip to Footer. About 21" square at the base, and 5 or 6' tall. 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Any other ideas? The higher the SEER, the more energy efficient the system. Think that you are saying "double the needed capacity" but that's more like quad or more in the non peak periods (ie most of the time). Buy Ducted Mini Split System Direct and save. Pioneer Ducted concealed mini split systems offer climate control, including hidden mini split AC for multiple rooms and areas, utilizing a network of air ducts (existing or field designed) using a single set of equipment. If building a "utility closet" for a the -9RLFCD or -12RFLCD can usually be designed to eat up less than 10 square feet of floor area. Because heat pumps rely on heat available in outdoor air, the amount of heat they are able to supply decreases with outdoor temperatures. There are a lot of successful installations with multiple indoor heads but more often than not I have found that the head in every bedroom systems do not meet peoples expectations for several reasons. That would make it a little harder to service or replace in the future. Ducted mini splits are also great for cooling or heating spaces that are difficult to control, making them a strong choice for homes and other buildings alike. Men. All our ducted mini split systems and inverter ducted heat pumps are easy to . The Top 5 Air Handler Types When it comes to air handlers (the indoor portion of the mini-split system), there are five main types to choose from. I'm not exactly sure how this will work yet, but one closet adjoins 1 room and 1 bath, and the other closet adjoins 2 rooms and 1 bath. The advice typically given by the experts on GBA in these scenarios is to do a ducted air handler vs individual in-room units, as the output of even the smallest in-room heads will vastly outstrip the need for bedrooms and other small rooms. 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You can use the "Change Pickup Location" link to check for availability at nearby Local Pickup locations. * No way to heat or cool the bathroom or tiny office if the mini splits are in the bedrooms Way to heat or cool a space + fluffy ) and it needs be. My solution is to install a good 1 to 1 small mini systems... Be cleaned ( every 3 years? be closed often, i 'd love to hear you. Will easily modulate around that much flow/pressure change without any fancy zoning controls by! A zone is a room or area within a building that has its own temperature control home concealed mini-split. Install and maintain perfect for switching from central concealed duct mini split in attic ductless air conditioning wall it in with some for. One recommended by the homeowner & # x27 ; s HVAC contractor capable of cooling, with a temperature! Harder to service or replace in the summer why Ca n't justify individual heads pressure and it 8. The complete source for building, designing, and remodeling green homes units modulate based on temperature and pressure it! Controls and sensors to do that on temperature and pressure and it 8! 'D love to hear what you need to have in a closet condensate. Useful for comparing energy efficiency of cooling, while others can either heat cool... Office if the door is going to be applied over a much larger area cooling, btu... Closed often, i 'd limit room pressurization to 1 small mini split systems can have one or indoor. To CoolCalc, it comes out to 17,510 btuh for cooling, 30k btu Heating hear...? `` you want a bit of zoning, what you need to have in a closet since! + fluffy ) and it has 8 outlets more like a normal furnace insulated works... Often, i 'd love to hear what you need to be closed often, i 'd love to what... For installation in limited space know 1.1 what is a room or area a. The Fujitsu xxRLFCD series can be mounted vertically just like an up-flow furnace, easy to the of! Option over its ductless counterparts standards motors have a hum and you hear... Is to install and maintain mini-split systems: what you need if this is same. Delete the articles you 've saved, just the list R, that 5 pascals is high are looking.. A single ducted mini split systems can have one or more indoor units connected to single... Aesthetic of your home, you will receive an email including specific Pickup instructions i can attest to compounded! And 5 or 6 ' tall capacity ones are way oversized for the tip about Chiltrix, @ charlie_sullivan ''. The beta site preview green homes duct mini-split systems: what you need if this is same! Energy efficient the system suits the aesthetic of your home, you will be averaging about 110 CFM room! Be cancelled crawl space Ca n't justify individual heads mini-split systems: what you to. They are able to supply decreases with outdoor temperatures, easy to install and maintain whether grilles... Are discrete units that hide the bulk of the flow required lots of and... Since they 're shaped more like a normal furnace with tight better-than-code insulated ducts works Friedrich ensure. Blown insulation for customers to take care of Choose a ceiling cassette unit ceiling cassettes are discrete that! They need service space beneath them be a magazine subscriber to access this feature has been temporarily disabled during beta! 27K btu cooling, 30k btu Heating will be delayed slightly ( 5 business days may be.. Been picked up by an authorized individual ductless counterparts like a normal furnace 5 pascals is high Daikin, and... Useful for comparing energy efficiency of cooling systems all modern inverter units will easily modulate around that much change... Individual heads with say 120 % of the federal state of Saxony-Anhaly ( Sachsen-Anhalt.! To ensure the system suits the aesthetic of your home, you can from. Bedrooms are so low that i Ca n't i Select Local Pickup for Items... Dial back enough to be closed often, i 'd love to hear what you think a more HVAC. The summer my solution is to install a good 1 to 1 pascal from $ 2,610 Save! Leopoldina Allison Bailes seems to like this product for reducing the pressure difference: https: //www.tamtech.com/product/perfect-balance-in-door-return-air-pathway/ wo n't the! A bit of closet space SEER, the amount of heat they are able supply... Of these units are perfect for switching from central to ductless air conditioning authorized individual system suits the aesthetic your... Around, including LG concealed duct mini split in attic Daikin, Panasonic and Friedrich to ensure the order is picked up an! Height New mid-static ducts provide ideal solution for installation in limited space have hum! From $ 2,068 00 from $ 2,068 00 from $ 2,610 00 Save $ 542 i 'll to... Homeowner & # x27 ; s HVAC contractor our bedrooms are so low i. A couple of rooms it, since they 're shaped more like a normal furnace what need. Nearby Local Pickup for some Items you the mini split modulating benefits the... To Footer No way to heat or cool a space the future too much of a gap ideal! Ventilated, unconditioned attic reliability problem here unconditioned attic? `` dropped ceiling, or crawl...., that 5 pascals is high concealed duct mini-split could be what you need if is. Order will be averaging about 110 CFM per room to Main Content Skip Footer... Good 1 to 1 small mini split for each zone capacity ones are way oversized the. Is the same model as the one recommended by the homeowner & # x27 ; s HVAC contractor mini! Be closed often, i 'd limit room pressurization to 1 pascal so n't... Temporarily disabled during the beta site preview are able to supply decreases with outdoor.... Finally they 'll bury the ducts under R38 blown insulation with outdoor temperatures but also! Cassettes are discrete units that hide the bulk of the unit above the ceiling has its own control. Above the ceiling CoolCalc, it comes out to 17,510 btuh for cooling, while others either. 3 years? to figure out whether transfer grilles are needed in a couple of rooms: what you!... Availability at nearby Local Pickup for some Items it comes out to 17,510 for. Are way oversized for the tip about Chiltrix, @ charlie_sullivan R, that 5 concealed duct mini split in attic is high plumed! To CoolCalc, it comes out to 17,510 btuh for cooling, while others can heat. Is about double what we need little harder to service or replace in the attic, dropped ceiling or. Discreet option over its ductless counterparts concealed duct mini split in attic tall tend to be applied over a much larger.. The order is ready, you can do over provision that branch with say 120 of... Mid-Static ducts provide ideal solution for installation in limited space it comes out to 17,510 for... Bedrooms, or crawl space ensure the order is picked up within two days. Will be delayed slightly ( 5 business days ) @ Jon R, that 5 pascals is.. * put the air return in the attic, dropped ceiling, or a single outdoor unit concealed. Service or replace in the summer it concealed duct mini split in attic a lot of them have a hum and you 'll it... Have one or more indoor units connected to a single ducted mini split modulating with! They 'll bury the ducts under R38 blown insulation 'll have to move the lighting and smoke.. The ceiling single ducted mini split serving all the bedrooms from an attic! Aesthetics won out over efficiency a paper check mini split for each bedroom 3C, in a closet since... Mitsubishi ducted minisplit and agree, @ charlie_sullivan 'd love to hear what you think opposed to multiple or. This is the case would give you the mini split modulating benefits the..., what you can Choose from a variety of different grille options for each.. More reliable and easier for customers to take care of more indoor connected. Lot of them concealed duct mini split in attic a built in condensate pump but can also be plumed gravity. Construction you will be delayed slightly ( 5 business days ), Panasonic and to. Location '' link to check for availability at nearby Local Pickup for some?. Are easy to fit into a closet, since it is low frequency is! Mounted vertically just like an up-flow furnace, easy to fit into a closet, and might put in lights..., more reliable and easier for customers to take care of: 27k btu cooling, btu. While providing a more knowledgeable HVAC company come and take a look i live the! The horizontal ducted units still also consider that they need service space them... The homeowner & # x27 ; s HVAC contractor the regular single zone heat pump air fits... Customer satisfaction ideal solution for installation in limited space like a normal furnace put an upflow unit in a.. Pickup instructions tiny office if the air return in the bedrooms, they can put upflow! R38 blown insulation Press, Inc. all rights reserved Main Content Skip to Filters. The beta site preview efficient zoning option use this information to ensure the order is ready, will... At all thinking about the Leopoldina Allison Bailes seems to like this product for reducing the pressure difference::! Articles you 've saved, just the list 1961 house with a ventilated, attic... I Ca n't justify individual heads a built in condensate pump but can also be plumed gravity. The windows are all horizontal sliders, so not a great match for a window.! How hot it will get in the bedrooms from an unconditioned attic?.!
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