The 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.
Authorized 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.
The 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.
This 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.
The 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.
The 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.
The 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.
The 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.
Homeowners 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.
The 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.
Its hybrid filtration system allows operation with the included triple-layer disposable bag or with the included permanent washable filter for bagless use.
The 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.
Noise-isolating foam and an integrated muffler provide double noise isolation, with a stated operating noise level of 65 dB.
Soft-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.
The 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.
The 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%.
Its 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.
Both 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.
The 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.
The 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%.
A 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.
The 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.
Yes. 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.
No 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.
The 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.
The 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.
| Specification | Details |
|---|---|
| Brand | Nadair |
| Model | HD-750-22H |
| Series | Heavy Duty Series |
| Motor | 5.7-inch, 2-stage Ametek thru-flow motor |
| Airwatts | 750 |
| Water Lift | 146 inches |
| Airflow | 141.2 CFM |
| Noise Level | 65 dB |
| Canister Capacity | 22 L / 5.81 gal. |
| Canister Material | Aluminum |
| Canister Loading | Bottom load |
| Filtration | Hybrid cyclonic filtration; use with or without a disposable bag; filters up to 99.97% |
| Replacement Bag | FD-12.5L-3NAD, 12.5 L bag, pack of 3 |
| Replacement Filter | FP-8 permanent washable filter |
| Air Intake | Top |
| Electrical | 110-120 VAC, 60 Hz, 15 A circuit; a dedicated circuit is recommended but not required |
| Power Cord | 72-inch grounded cord; do not use extension cords or adapters |
| Dimensions | 12.91 inches deep x 25.39 inches high x 12.52 inches wide |
| Included | One triple-layer disposable filtration bag and one permanent machine-washable filter |
| Warranty | 15 years for residential use on the motor, electronic module, body, housing, and dust canister while you own it |
| Piping Compatibility | Standard 2-inch outside-diameter PVC piping meeting ASTM F2158 |
| Authorized Dealer | Ace Vacuums |
Perfect for:
When you purchase from Authorized Nadair Dealer Ace Vacuums, you receive:
The Nadair HD-750-22H is available online and in-store through Authorized Nadair Dealer Ace Vacuums.
Call 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.
| Feature | Nadair HD-750-22H | Nadair HD-750-32H |
|---|---|---|
| Series | Heavy Duty Series | Heavy Duty Series |
| Airwatts | 750 | 750 |
| Water lift | 146 inches | 146 inches |
| Airflow | 141.2 CFM | 141.2 CFM |
| Noise level | 65 dB | 65 dB |
| Canister capacity | 22 L / 5.81 gal. | 32 L / 8.45 gal. |
| Filtration | Hybrid cyclonic, with or without bag, up to 99.97% | Hybrid cyclonic, with or without bag, up to 99.97% |
| Replacement bag | FD-12.5L-3NAD | FD-22.5L-3NAD |
| Filter | FP-8 permanent washable filter | FP-12 permanent washable filter |
The 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.
Authorized 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.
The 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.
This 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.
The 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.
The 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.
The 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.
The 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.
Homeowners 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.
The 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.
Its hybrid filtration system allows operation with the included triple-layer disposable bag or with the included permanent washable filter for bagless use.
The 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.
Noise-isolating foam and an integrated muffler provide double noise isolation, with a stated operating noise level of 65 dB.
Soft-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.
The 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.
The 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%.
Its 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.
Both 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.
The 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.
The 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%.
A 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.
The 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.
Yes. 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.
No 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.
The 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.
The 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.
| Specification | Details |
|---|---|
| Brand | Nadair |
| Model | HD-750-22H |
| Series | Heavy Duty Series |
| Motor | 5.7-inch, 2-stage Ametek thru-flow motor |
| Airwatts | 750 |
| Water Lift | 146 inches |
| Airflow | 141.2 CFM |
| Noise Level | 65 dB |
| Canister Capacity | 22 L / 5.81 gal. |
| Canister Material | Aluminum |
| Canister Loading | Bottom load |
| Filtration | Hybrid cyclonic filtration; use with or without a disposable bag; filters up to 99.97% |
| Replacement Bag | FD-12.5L-3NAD, 12.5 L bag, pack of 3 |
| Replacement Filter | FP-8 permanent washable filter |
| Air Intake | Top |
| Electrical | 110-120 VAC, 60 Hz, 15 A circuit; a dedicated circuit is recommended but not required |
| Power Cord | 72-inch grounded cord; do not use extension cords or adapters |
| Dimensions | 12.91 inches deep x 25.39 inches high x 12.52 inches wide |
| Included | One triple-layer disposable filtration bag and one permanent machine-washable filter |
| Warranty | 15 years for residential use on the motor, electronic module, body, housing, and dust canister while you own it |
| Piping Compatibility | Standard 2-inch outside-diameter PVC piping meeting ASTM F2158 |
| Authorized Dealer | Ace Vacuums |
Perfect for:
When you purchase from Authorized Nadair Dealer Ace Vacuums, you receive:
The Nadair HD-750-22H is available online and in-store through Authorized Nadair Dealer Ace Vacuums.
Call 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.
| Feature | Nadair HD-750-22H | Nadair HD-750-32H |
|---|---|---|
| Series | Heavy Duty Series | Heavy Duty Series |
| Airwatts | 750 | 750 |
| Water lift | 146 inches | 146 inches |
| Airflow | 141.2 CFM | 141.2 CFM |
| Noise level | 65 dB | 65 dB |
| Canister capacity | 22 L / 5.81 gal. | 32 L / 8.45 gal. |
| Filtration | Hybrid cyclonic, with or without bag, up to 99.97% | Hybrid cyclonic, with or without bag, up to 99.97% |
| Replacement bag | FD-12.5L-3NAD | FD-22.5L-3NAD |
| Filter | FP-8 permanent washable filter | FP-12 permanent washable filter |
It 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.
Hybrid filtration means the unit can operate with a disposable bag or without one. For bagless use, the included permanent washable filter must remain installed.
The specified replacement bag is the Nadair FD-12.5L-3NAD. It is a 12.5-liter bag supplied in a pack of three.
Yes. The unit supports bagless operation with the included FP-8 permanent washable filter. That filter must stay installed at all times.
Wash 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.
The manual recommends servicing the bag or canister three or four times per year. The LED indicator also provides a reminder to empty the canister.
The 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.
The manual specifies a 110-120 VAC, 60 Hz, 15-amp circuit. A dedicated circuit is recommended but not required.
No. The manual specifies a 72-inch grounded power cord and says not to use extension cords or adapters.
Its stated noise level is 65 dB. Noise-isolating foam and an integrated muffler provide double noise isolation.
No 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.
Install it indoors in a well-ventilated, weather-protected location, not outdoors. The manual calls for at least 6 inches of clearance around the unit.
Outdoor exhaust venting is recommended when practical. The installation should be planned by a certified central vacuum installer.
Soft-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.
The LED displays the unit's status and provides a reminder to empty the canister. It adds a visual service cue during normal ownership.
The residential warranty lasts 15 years while you own the unit. It covers the motor, electronic module, body, housing, and dust canister.
The 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.
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Address: 11110 Main St, Fairfax, VA 22030
Landmark: Opposite Havertys Furniture Store
Best for: Bethesda, Potomac, Arlington, NW Washington D.C.
Address: 300 Fort Evans Rd NE, Suite 104, Leesburg, VA 20176
Landmark: Next to Home Depot in Leesburg
Best for: Ashburn, Sterling, Frederick MD, Loudoun County
In-stock merchandise generally ships from our Leesburg, Virginia location within 3–5 business days. Processing time is separate from carrier transit time and is not a guaranteed delivery date. Weekends and holidays can affect timing. Special-order, backordered or unavailable items may take longer; contact us to confirm timing before purchase when a deadline matters.
Shipping options and charges are shown at checkout. After dispatch, follow the carrier's tracking updates. Weather, carrier delays, order verification and inventory confirmation may affect delivery. Inspect packages promptly and retain packaging if there is damage or an incorrect or missing item.
Eligible unused items have a 30-calendar-day return request window for refunds or exchanges, measured from delivery or in-store purchase. Return authorization is required. Final-sale exclusions, the 15% restocking fee for change-of-mind returns and shipping responsibilities are explained in our Return and Refund Policy. That policy is the governing source for return eligibility and fees.
For shipping or return help, email sales@acevacuums.com or call 703-997-9292.
Updated September 27, 2026. Request a return for an eligible unused item within 30 calendar days of delivery (or purchase for items collected in store). Eligible returns may be refunded to the original payment method or exchanged, subject to availability. The same 30-day request window applies to both refunds and exchanges; there is no separate seven-day or 15-day refund deadline.
Items must be unused, clean, complete and in their original packaging with all accessories, manuals and proof of purchase. Contact sales@acevacuums.com or 703-997-9292 before sending anything back. Include your order number, item and reason for return. We will confirm eligibility, charges and return instructions. Unapproved or cash-on-delivery returns are not accepted.
For an approved change-of-mind return, a 15% restocking fee applies to the returned merchandise price. Original shipping charges are not refundable and the customer pays return shipping. These charges do not apply to an approved return caused by our shipping error or a damaged/defective item claim. Contact us first so we can arrange the appropriate remedy and shipping instructions. Do not assume a prepaid label is included.
Air purifiers; discounted, clearance, trade-in, holiday-sale and price-matched purchases; gift cards; custom or special-order products; electrical parts; used or installed items; opened cleaning solutions; and used bags, filters, belts or other consumables are not eligible for change-of-mind returns. Other items clearly marked final sale at purchase are also excluded. An opened box alone does not disqualify an otherwise eligible unused, complete item, but consumables and cleaning solutions must remain unopened.
Inspect your order promptly and contact us as soon as you discover a problem, with your order number and photos where helpful. Keep the packaging. Change-of-mind exclusions and deadlines do not remove applicable defect, warranty, recall or statutory rights. Warranty coverage requires evaluation under the manufacturer's terms; dealer status does not guarantee free repair. Recalled products must follow the manufacturer's recall process.
After we receive and inspect the return, we will notify you of approval or the reason it cannot be accepted. Approved refunds are issued to the original payment method within 10 business days of approval; your bank may take additional time to post them. Contact us if more than 15 business days have passed since approval. Exchanges require authorization and replacement availability; any price difference and applicable charges will be explained before processing.
This policy applies to online and in-store purchases. We will honor more favorable written return terms provided with an earlier purchase. Applicable consumer rights remain unaffected. Where the European Union 14-day cancellation right applies, customers may cancel or return eligible orders within 14 days of receipt, subject to applicable legal exceptions, without giving a reason.
Build your cleaning setup with useful accessories. Compare the hose connection and kit contents before choosing; complete kits are alternative setups.
Hose fit depends on your wall inlet, handle, wand and electrical connection. Round 1¼-inch tools do not fit every proprietary or D-shaped handle. A low-voltage hose controls suction but cannot power a corded electric brush. Pigtail hoses need a nearby electrical outlet; direct-connect hoses need matching powered inlets. Check what a complete kit already includes.
30-foot pigtail hose and SEBO powerhead kit. Requires a matching inlet and a nearby electrical outlet. Check included tools before adding extras.
30-foot TurboCat air-driven cleaning kit. Match the wall inlet; turbine cleaning needs adequate airflow and uses no power cord.
ValuFlex replacement electric hose. Verify inlet, handle, wand and electrical connection; select the correct length and connection setup.
Low-voltage hose for suction tools. Match the wall inlet and select the length. It cannot power a corded electric brush.
Separate 30-foot hose and tools for cars and garages. Confirm that the utility or wall inlet accepts the hose connection.
Air-driven Rugrat mini tool for stairs and upholstery. Requires a matching hose connector and adequate suction; no electrical connection.
12-inch hard-floor brush for round 1¼-inch wands. Not a direct fit for proprietary D-shaped connectors.
6-inch upholstery tool with brush strip for furniture and stairs. Match the round hose-end connector.
Soft dusting brush for furniture and detail cleaning. Match the round hose or wand connection.
Crevice tool for sofa gaps, corners and baseboards. Check the hose-end diameter and shape.
Telescopic friction-fit wand for suction tools. Accepts a round 1⅛–1¼-inch hose end; no integrated electrical connection.
Padded zippered cover for a conventional hose. Choose the matching length; not for stretch or retractable hoses.
Wall hanger for a conventional 25–35-foot hose wound in four or five loops. Not storage for an in-wall retractable hose.
18-by-18-inch mesh caddy for organizing loose cleaning tools. Tools and wall hanger are sold separately.
Maintenance sheets for routine central vacuum hose and pipe care. Follow the label and system instructions; not a substitute for repair of a blockage or damaged system.
Match the full power-unit model, production version, bag collar and filter dimensions. Cyclonic, disposable-bag and permanent-filter systems use different supplies. A similar size or shared brand name is not enough to confirm fit. If a matching supply is not shown, send us the model label and a photo of the old bag or filter. Shop central vacuum bags & filters
For 25+ years, Ace Vacuums has filled the gap left by big-box retailers. We provide the expert repairs, warranty support, and genuine OEM parts that Amazon and Walmart simply don't offer. From free estimates to same-day service, we are your local alternative for professional home care solutions.
Conveniently serving Washington D.C. and Maryland (Montgomery & Prince George's Counties). Our showrooms are just 20 minutes from DC and 10 minutes from Tysons Corner.
Hablamos Español — Service in English & Spanish.
Serving Zip Codes: 20147, 20176, 22030, 22031, 20151, 20190, 22102, 22314, 20110, 20148 & surrounding areas. All repairs performed by certified technicians using genuine parts.
