{"product_id":"nadair-hd-750-22h-heavy-duty-hybrid-central-vacuum-power-unit-750-aw-22l","title":"Nadair HD-750-22H Heavy Duty Hybrid Central Vacuum Power Unit, 750 AW, 22L","description":"\u003ch2\u003eQuick Summary\u003c\/h2\u003e\n\u003cp\u003eThe Nadair HD-750-22H is a Heavy Duty Series central vacuum power unit for whole-house vacuum systems. Its 750 airwatts, 146 inches of water lift, and 141.2 CFM provide strong suction and airflow for compatible existing piping networks.\u003c\/p\u003e\n\u003cp\u003eAuthorized Nadair Dealer Ace Vacuums can help you compare the HD-750-22H with the home's piping run and select compatible hose and attachment equipment. The hybrid filtration design supports operation with or without disposable bags, while the 22-liter aluminum canister, soft-start\/stop motor control, and 15-year residential warranty add practical value.\u003c\/p\u003e\n\u003ch3\u003eQuick Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e750 airwatts with a 5.7-inch, 2-stage Ametek thru-flow motor\u003c\/li\u003e\n\u003cli\u003e146 inches of water lift and 141.2 CFM of airflow\u003c\/li\u003e\n\u003cli\u003e65 dB operating noise with foam isolation and an integrated muffler\u003c\/li\u003e\n\u003cli\u003e22 L \/ 5.81 gal. bottom-load aluminum canister\u003c\/li\u003e\n\u003cli\u003e15-year residential warranty on the motor, electronics, body, housing, and dust canister\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe HD-750-22H is designed for homeowners replacing or installing a central vacuum power unit on a standard piping network. Its top air intake is intended to simplify connection to existing piping, and it supports standard 2-inch outside-diameter PVC piping that meets ASTM F2158.\u003c\/p\u003e\n\u003cp\u003eThis model combines a 750-airwatt motor with 146 inches of water lift and 141.2 CFM. Water lift reflects sealed suction strength, while CFM describes moving air through the system; together, these specifications describe the unit's suction and airflow performance without assigning a square-foot coverage figure.\u003c\/p\u003e\n\u003cp\u003eThe hybrid cyclonic filtration system gives homeowners two operating choices. The HD-750-22H can use the included triple-layer disposable bag, or it can operate bagless with the included permanent washable filter. Filtration is specified at up to 99.97%, and the permanent filter must remain installed during operation.\u003c\/p\u003e\n\u003cp\u003eThe unit also includes convenience features intended for regular household use. Soft-start\/stop technology is designed to extend motor life by 20%, a three-second delay helps clear debris from the hose and piping, and the LED indicator displays unit status and service reminders.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eExpert Recommendation\u003c\/h2\u003e\n\u003cp\u003eThe HD-750-22H suits homeowners who want a strong Heavy Duty Series unit without moving to the larger 32-liter canister. It is a practical fit when 750 airwatts, high water lift, hybrid bag or bagless operation, and a bottom-load aluminum canister are more important than minimizing the unit's 65 dB noise rating.\u003c\/p\u003e\n\u003cp\u003eThe 22-liter capacity is smaller than the HD-750-32H's 32-liter canister, so the sibling model may be preferable when longer intervals between servicing the bag or canister are a priority. The ST-700-25H and ST-700-35H offer lower 700-airwatt output and lower 63 dB noise, while the ST-700-35H provides a larger 35-liter canister.\u003c\/p\u003e\n\u003cp\u003eHomeowners seeking self-cleaning filtration should compare the HD-750-22H with a Super Duty model, because the Super Duty units use cyclonic self-cleaning filtration specified at up to 99.99%. The HD-750-22H remains the more direct choice when its 750 airwatts, 146-inch water lift, and hybrid operating flexibility are the deciding factors.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eBest For\u003c\/h2\u003e\n\u003ch3\u003eStrong Central Vacuum Performance\u003c\/h3\u003e\n\u003cp\u003eThe 750-airwatt motor, 146 inches of water lift, and 141.2 CFM make this unit appropriate for homeowners seeking substantial suction and airflow from a central vacuum power unit.\u003c\/p\u003e\n\u003ch3\u003eBagged or Bagless Homes\u003c\/h3\u003e\n\u003cp\u003eIts hybrid filtration system allows operation with the included triple-layer disposable bag or with the included permanent washable filter for bagless use.\u003c\/p\u003e\n\u003ch3\u003eExisting Piping Networks\u003c\/h3\u003e\n\u003cp\u003eThe top air intake and compatibility with standard 2-inch outside-diameter PVC piping can make it a suitable replacement for a compatible existing central vacuum installation.\u003c\/p\u003e\n\u003ch3\u003eNoise-Conscious Households\u003c\/h3\u003e\n\u003cp\u003eNoise-isolating foam and an integrated muffler provide double noise isolation, with a stated operating noise level of 65 dB.\u003c\/p\u003e\n\u003ch3\u003eLong-Term Residential Ownership\u003c\/h3\u003e\n\u003cp\u003eSoft-start\/stop technology is designed to extend motor life by 20%, and the residential warranty covers the motor, electronic module, body, housing, and dust canister for 15 years.\u003c\/p\u003e\n\u003ch3\u003eCompact Utility Locations\u003c\/h3\u003e\n\u003cp\u003eThe 22-liter aluminum canister measures 12.91 inches deep, 25.39 inches high, and 12.52 inches wide, allowing homeowners to evaluate it for an appropriate indoor utility location.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eNot Ideal For\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eIt may not be the best fit when the longest possible service interval is the priority; the HD-750-32H has a larger 32-liter canister.\u003c\/li\u003e\n\u003cli\u003eAt 65 dB, it is not as quiet on paper as the 62 dB ST-600-18B or the 63 dB ST-700-25H and ST-700-35H.\u003c\/li\u003e\n\u003cli\u003eHomeowners who specifically want self-cleaning filtration may prefer a Super Duty model, which is specified with cyclonic self-cleaning filtration.\u003c\/li\u003e\n\u003cli\u003eThe hose and attachment kit are sold separately, and the power unit requires professional installation and compatible low-voltage hose wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e750 Airwatts:\u003c\/strong\u003e The 5.7-inch, 2-stage Ametek thru-flow motor delivers 750 airwatts for central vacuum cleaning.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong Suction:\u003c\/strong\u003e The unit is rated at 146 inches of water lift and 141.2 CFM of airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHybrid Filtration:\u003c\/strong\u003e Use the system with a disposable bag or in bagless mode with the permanent washable filter.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e22-Liter Canister:\u003c\/strong\u003e The bottom-load 22 L \/ 5.81 gal. canister is designed for removal wherever the unit is installed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAluminum Construction:\u003c\/strong\u003e The canister is made from lightweight, rustproof aluminum with a smooth, polished finish.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNoise Isolation:\u003c\/strong\u003e Noise-isolating foam and an integrated muffler provide double noise isolation at a stated 65 dB.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft Start\/Stop:\u003c\/strong\u003e Soft-start\/stop technology is designed to extend motor life by 20%.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Indicator:\u003c\/strong\u003e The LED displays unit status and provides a reminder to empty the canister.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThree-Second Delay:\u003c\/strong\u003e The motor delay helps clear debris from the hose and piping after cleaning stops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhat Makes This Model Stand Out\u003c\/h2\u003e\n\u003cp\u003eThe HD-750-22H stands out for combining heavy-duty output with hybrid operating flexibility. Homeowners can use a triple-layer disposable bag for convenient debris removal or choose bagless operation with the permanent washable filter, while the filtration system is specified to filter up to 99.97%.\u003c\/p\u003e\n\u003cp\u003eIts polished aluminum canister, top air intake, bottom-load design, LED service indicator, and soft-start\/stop controls address installation and ownership details beyond basic suction numbers. The unit also supports a standard 15-amp circuit, so a dedicated circuit is recommended but not required according to the owner manual.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eProduct Comparisons\u003c\/h2\u003e\n\u003ch3\u003eHD-750-22H vs HD-750-32H\u003c\/h3\u003e\n\u003cp\u003eBoth Heavy Duty models provide 750 airwatts, 146 inches of water lift, 141.2 CFM, 65 dB operation, hybrid filtration, and soft-start\/stop technology. The HD-750-22H has a 22-liter canister, while the HD-750-32H has a larger 32-liter canister and uses the larger FD-22.5L-3NAD bag and FP-12 filter.\u003c\/p\u003e\n\u003ch3\u003eHD-750-22H vs ST-700-35H\u003c\/h3\u003e\n\u003cp\u003eThe HD-750-22H offers higher output at 750 airwatts and 146 inches of water lift, compared with 700 airwatts and 141.2 inches for the ST-700-35H. The ST-700-35H has a larger 35-liter canister and a lower stated noise level of 63 dB, while both models support hybrid operation.\u003c\/p\u003e\n\u003ch3\u003eHD-750-22H vs SD-659-22SF\u003c\/h3\u003e\n\u003cp\u003eThe HD-750-22H has 750 airwatts, 146 inches of water lift, and 141.2 CFM. The SD-659-22SF has 659 airwatts, 144.9 inches of water lift, and 135.8 CFM, but uses cyclonic self-cleaning filtration specified at up to 99.99%.\u003c\/p\u003e\n\u003ch3\u003eCentral Vacuum vs Portable Vacuum\u003c\/h3\u003e\n\u003cp\u003eA central vacuum power unit sits in a garage, basement, or another suitable indoor utility location, so the homeowner does not carry the main machine from room to room. The system can also be configured with exhaust venting outdoors, subject to proper installation, while a portable vacuum keeps its motor and collection system with the user.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eQuestions Buyers Commonly Ask\u003c\/h2\u003e\n\u003ch3\u003eCan I use the HD-750-22H with my existing central vacuum piping?\u003c\/h3\u003e\n\u003cp\u003eThe unit is designed to fit standard 2-inch outside-diameter PVC piping meeting ASTM F2158. An installer should confirm the existing piping, inlet wiring, and connection layout before installation.\u003c\/p\u003e\n\u003ch3\u003eCan I choose between bags and bagless operation?\u003c\/h3\u003e\n\u003cp\u003eYes. The hybrid filtration system supports operation with the included FD-12.5L-3NAD triple-layer bag or without a disposable bag using the included permanent washable filter. The permanent filter must remain installed in either operating configuration.\u003c\/p\u003e\n\u003ch3\u003eIs the hose included?\u003c\/h3\u003e\n\u003cp\u003eNo hose or attachment kit is listed as included. The hose and tools are sold separately and must match the home's inlets, including whether the system uses low-voltage or electric hose switching.\u003c\/p\u003e\n\u003ch3\u003eHow much canister space does this model provide?\u003c\/h3\u003e\n\u003cp\u003eThe bottom-load canister holds 22 liters, or 5.81 gallons. It is smaller than the 32-liter canister on the HD-750-32H, so the larger sibling may be preferable when capacity is the priority.\u003c\/p\u003e\n\u003ch3\u003eIs this unit loud?\u003c\/h3\u003e\n\u003cp\u003eThe stated noise level is 65 dB. Noise-isolating foam and an integrated muffler provide double noise isolation, although some ST Series models have lower stated noise levels.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eNadair\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHD-750-22H\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003e5.7-inch, 2-stage Ametek thru-flow motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirwatts\u003c\/td\u003e\n\u003ctd\u003e750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Lift\u003c\/td\u003e\n\u003ctd\u003e146 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirflow\u003c\/td\u003e\n\u003ctd\u003e141.2 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise Level\u003c\/td\u003e\n\u003ctd\u003e65 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCanister Capacity\u003c\/td\u003e\n\u003ctd\u003e22 L \/ 5.81 gal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCanister Material\u003c\/td\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCanister Loading\u003c\/td\u003e\n\u003ctd\u003eBottom load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration\u003c\/td\u003e\n\u003ctd\u003eHybrid cyclonic filtration; use with or without a disposable bag; filters up to 99.97%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement Bag\u003c\/td\u003e\n\u003ctd\u003eFD-12.5L-3NAD, 12.5 L bag, pack of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement Filter\u003c\/td\u003e\n\u003ctd\u003eFP-8 permanent washable filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAir Intake\u003c\/td\u003e\n\u003ctd\u003eTop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical\u003c\/td\u003e\n\u003ctd\u003e110-120 VAC, 60 Hz, 15 A circuit; a dedicated circuit is recommended but not required\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Cord\u003c\/td\u003e\n\u003ctd\u003e72-inch grounded cord; do not use extension cords or adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e12.91 inches deep x 25.39 inches high x 12.52 inches wide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003ctd\u003eOne triple-layer disposable filtration bag and one permanent machine-washable filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e15 years for residential use on the motor, electronic module, body, housing, and dust canister while you own it\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiping Compatibility\u003c\/td\u003e\n\u003ctd\u003eStandard 2-inch outside-diameter PVC piping meeting ASTM F2158\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuthorized Dealer\u003c\/td\u003e\n\u003ctd\u003eAce Vacuums\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eInstallation Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInstall the power unit indoors in a well-ventilated, weather-protected location; do not install it outdoors.\u003c\/li\u003e\n\u003cli\u003eLeave at least 6 inches of clearance on all sides of the unit.\u003c\/li\u003e\n\u003cli\u003eExhaust venting outdoors is recommended when the installation allows it.\u003c\/li\u003e\n\u003cli\u003eThe owner manual calls for a 110-120 VAC, 60 Hz, 15-amp circuit. A dedicated circuit is recommended but not required.\u003c\/li\u003e\n\u003cli\u003eUse the supplied 72-inch grounded cord, and do not use an extension cord or adapter.\u003c\/li\u003e\n\u003cli\u003eHave a certified central vacuum installer connect the unit to compatible piping and low-voltage hose-switch wiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMaintenance Tips\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eService the disposable bag or canister three or four times per year, with actual frequency depending on use and debris.\u003c\/li\u003e\n\u003cli\u003eWhen using bagged operation, use the FD-12.5L-3NAD 12.5-liter replacement bag.\u003c\/li\u003e\n\u003cli\u003eThe permanent polypropylene filter must remain installed at all times, including during bagless operation.\u003c\/li\u003e\n\u003cli\u003eWash the permanent filter with cold water each time the canister is emptied, and allow it to be handled according to the manufacturer's care instructions before reuse.\u003c\/li\u003e\n\u003cli\u003eReplace the permanent filter yearly to help maintain the warranty.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eIdeal Buyers\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePerfect for:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHomeowners replacing a compatible central vacuum power unit on an existing standard 2-inch PVC piping network.\u003c\/li\u003e\n\u003cli\u003eHouseholds that want the choice of disposable-bag or bagless hybrid operation.\u003c\/li\u003e\n\u003cli\u003eBuyers seeking 750 airwatts, 146 inches of water lift, and 141.2 CFM from a Heavy Duty Series unit.\u003c\/li\u003e\n\u003cli\u003eHomeowners who value an aluminum canister, LED service indicator, soft-start\/stop, and a three-second debris-clearing delay.\u003c\/li\u003e\n\u003cli\u003eResidential buyers who want a 15-year warranty on the listed motor, electronics, body, housing, and dust canister components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eWhy Buy from Ace Vacuums\u003c\/h2\u003e\n\u003cp\u003eWhen you purchase from \u003cstrong\u003eAuthorized Nadair Dealer Ace Vacuums\u003c\/strong\u003e, you receive:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Nadair central vacuum power units\u003c\/li\u003e\n\u003cli\u003eExpert help sizing the right unit for your home and piping\u003c\/li\u003e\n\u003cli\u003eGuidance on matching hoses and attachment kits to your inlets\u003c\/li\u003e\n\u003cli\u003eGenuine Nadair replacement bags and filters\u003c\/li\u003e\n\u003cli\u003eKnowledgeable customer support before and after the sale\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eAvailable Online \u0026amp; In-Store\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNadair HD-750-22H\u003c\/strong\u003e is available online and in-store through \u003cstrong\u003eAuthorized Nadair Dealer Ace Vacuums\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eVisit Our Showrooms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFairfax, VA:\u003c\/strong\u003e 11110 Main St, Fairfax, VA 22030\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeesburg, VA:\u003c\/strong\u003e 300 Fort Evans Rd NE, Leesburg, VA 20176\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCall 703-997-9292 (ext. 1 Fairfax, ext. 2 Leesburg). Both stores are open 7 days a week to compare central vacuum systems and talk with our specialists.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eComparison Table\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eNadair HD-750-22H\u003c\/th\u003e\n\u003cth\u003eNadair HD-750-32H\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty Series\u003c\/td\u003e\n\u003ctd\u003eHeavy Duty Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirwatts\u003c\/td\u003e\n\u003ctd\u003e750\u003c\/td\u003e\n\u003ctd\u003e750\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater lift\u003c\/td\u003e\n\u003ctd\u003e146 inches\u003c\/td\u003e\n\u003ctd\u003e146 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAirflow\u003c\/td\u003e\n\u003ctd\u003e141.2 CFM\u003c\/td\u003e\n\u003ctd\u003e141.2 CFM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise level\u003c\/td\u003e\n\u003ctd\u003e65 dB\u003c\/td\u003e\n\u003ctd\u003e65 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCanister capacity\u003c\/td\u003e\n\u003ctd\u003e22 L \/ 5.81 gal.\u003c\/td\u003e\n\u003ctd\u003e32 L \/ 8.45 gal.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiltration\u003c\/td\u003e\n\u003ctd\u003eHybrid cyclonic, with or without bag, up to 99.97%\u003c\/td\u003e\n\u003ctd\u003eHybrid cyclonic, with or without bag, up to 99.97%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplacement bag\u003c\/td\u003e\n\u003ctd\u003eFD-12.5L-3NAD\u003c\/td\u003e\n\u003ctd\u003eFD-22.5L-3NAD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter\u003c\/td\u003e\n\u003ctd\u003eFP-8 permanent washable filter\u003c\/td\u003e\n\u003ctd\u003eFP-12 permanent washable filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003ePros and Cons\u003c\/h2\u003e\n\u003ch3\u003ePros\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e750 airwatts, 146 inches of water lift, and 141.2 CFM provide strong stated suction and airflow.\u003c\/li\u003e\n\u003cli\u003eHybrid filtration lets homeowners choose disposable-bag or bagless operation.\u003c\/li\u003e\n\u003cli\u003eSoft-start\/stop technology is designed to extend motor life by 20%.\u003c\/li\u003e\n\u003cli\u003eAluminum construction is lightweight and rustproof, with a convenient bottom-load canister.\u003c\/li\u003e\n\u003cli\u003eNoise-isolating foam and an integrated muffler reduce operating noise to a stated 65 dB.\u003c\/li\u003e\n\u003cli\u003eThe 15-year residential warranty covers the motor, electronic module, body, housing, and dust canister.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCons\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe hose and cleaning tools are sold separately and must match the home's inlet and switching type.\u003c\/li\u003e\n\u003cli\u003eProfessional installation is needed, including compatible piping and low-voltage wiring.\u003c\/li\u003e\n\u003cli\u003eDisposable bags are an ongoing consideration for homeowners who prefer bagged operation.\u003c\/li\u003e\n\u003cli\u003eThe 22-liter canister has less capacity than the HD-750-32H's 32-liter canister.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is the Nadair HD-750-22H?\u003c\/h3\u003e\n\u003cp\u003eIt is a Heavy Duty Series central vacuum power unit with 750 airwatts, 146 inches of water lift, and 141.2 CFM. It connects to a home's central vacuum piping and does not include a hose or tool kit.\u003c\/p\u003e\n\u003ch3\u003eWhat does hybrid filtration mean on this model?\u003c\/h3\u003e\n\u003cp\u003eHybrid filtration means the unit can operate with a disposable bag or without one. For bagless use, the included permanent washable filter must remain installed.\u003c\/p\u003e\n\u003ch3\u003eWhat bag fits the HD-750-22H?\u003c\/h3\u003e\n\u003cp\u003eThe specified replacement bag is the Nadair FD-12.5L-3NAD. It is a 12.5-liter bag supplied in a pack of three.\u003c\/p\u003e\n\u003ch3\u003eCan I operate the unit without a bag?\u003c\/h3\u003e\n\u003cp\u003eYes. The unit supports bagless operation with the included FP-8 permanent washable filter. That filter must stay installed at all times.\u003c\/p\u003e\n\u003ch3\u003eHow do I clean the permanent filter?\u003c\/h3\u003e\n\u003cp\u003eWash the permanent polypropylene filter with cold water each time the canister is emptied. The manual also calls for yearly filter replacement to keep the warranty.\u003c\/p\u003e\n\u003ch3\u003eHow often should I empty or service the canister?\u003c\/h3\u003e\n\u003cp\u003eThe manual recommends servicing the bag or canister three or four times per year. The LED indicator also provides a reminder to empty the canister.\u003c\/p\u003e\n\u003ch3\u003eWill this unit fit standard central vacuum piping?\u003c\/h3\u003e\n\u003cp\u003eThe HD-750-22H is specified for standard 2-inch outside-diameter PVC piping meeting ASTM F2158. An installer should verify the home's actual piping and connections.\u003c\/p\u003e\n\u003ch3\u003eDoes the unit require a dedicated electrical circuit?\u003c\/h3\u003e\n\u003cp\u003eThe manual specifies a 110-120 VAC, 60 Hz, 15-amp circuit. A dedicated circuit is recommended but not required.\u003c\/p\u003e\n\u003ch3\u003eCan I use an extension cord?\u003c\/h3\u003e\n\u003cp\u003eNo. The manual specifies a 72-inch grounded power cord and says not to use extension cords or adapters.\u003c\/p\u003e\n\u003ch3\u003eHow loud is the Nadair HD-750-22H?\u003c\/h3\u003e\n\u003cp\u003eIts stated noise level is 65 dB. Noise-isolating foam and an integrated muffler provide double noise isolation.\u003c\/p\u003e\n\u003ch3\u003eDoes the HD-750-22H include a hose?\u003c\/h3\u003e\n\u003cp\u003eNo hose or attachment kit is listed as included. These items are sold separately and must match the home's low-voltage or electric inlet configuration.\u003c\/p\u003e\n\u003ch3\u003eWhere should the power unit be installed?\u003c\/h3\u003e\n\u003cp\u003eInstall it indoors in a well-ventilated, weather-protected location, not outdoors. The manual calls for at least 6 inches of clearance around the unit.\u003c\/p\u003e\n\u003ch3\u003eCan the exhaust be vented outdoors?\u003c\/h3\u003e\n\u003cp\u003eOutdoor exhaust venting is recommended when practical. The installation should be planned by a certified central vacuum installer.\u003c\/p\u003e\n\u003ch3\u003eWhat does soft-start\/stop do?\u003c\/h3\u003e\n\u003cp\u003eSoft-start\/stop technology is designed to extend motor life by 20%. The unit also uses a three-second delay to help clear debris from the hose and piping.\u003c\/p\u003e\n\u003ch3\u003eWhat does the LED indicator show?\u003c\/h3\u003e\n\u003cp\u003eThe LED displays the unit's status and provides a reminder to empty the canister. It adds a visual service cue during normal ownership.\u003c\/p\u003e\n\u003ch3\u003eWhat does the warranty cover?\u003c\/h3\u003e\n\u003cp\u003eThe residential warranty lasts 15 years while you own the unit. It covers the motor, electronic module, body, housing, and dust canister.\u003c\/p\u003e\n\u003ch3\u003eIs the HD-750-22H suitable for every home?\u003c\/h3\u003e\n\u003cp\u003eThe correct model depends on the home's piping run, inlet wiring, installation location, and desired capacity. Ace Vacuums can help size the unit for the home and piping run.\u003c\/p\u003e\n","brand":"Nadair","offers":[{"title":"Default Title","offer_id":53384859877557,"sku":"HD-750-22H","price":779.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0575\/6751\/0709\/files\/HD-750-22H-2-scaled.jpg?v=1790447755","url":"https:\/\/acevacuums.com\/products\/nadair-hd-750-22h-heavy-duty-hybrid-central-vacuum-power-unit-750-aw-22l","provider":"Ace Vacuums","version":"1.0","type":"link"}