Humanscale Summa Executive Conference Chair
Humanscale chairs are custom-made and non-returnable. All fabric colors shown on your computer screen are approximate depending on resolution of your monitor.
Designed for today’s most dynamic leaders, Humanscale Summa
is a versatile leather conference chair suitable for the corner office,
the boardroom, as well as the home office. Its enveloping shape and
sculpted materials converge for a truly harmonious design that exudes
luxury in every detail.
Completely customizable, Summa boasts a defined aesthetic and sophisticated palette that elevates a brand's presence within any environment. Featuring either a crafted wood-wrapped or crafted upholstered back, Summa is accompanied by Humanscale’s chrome-free leather collection.
Luxurious and effortlessly simple, Summa features a weight-compensating recline mechanism and integrated armrests for unexpected comfort and support throughout the workday. And with only one discreet height adjustment lever, the chair remains beautifully refined from every angle.
Luxury and simplicity effortlessly converge in Summa, a versatile executive chair design for today’s most dynamic leaders. Summa boasts a defined aesthetic and sophisticated palette that is well-suited to high-end executive spaces within the workplace.
|Seat Depth (from face of lumbar to
front of seat)
|18" (457.2 mm)|
|Seat Height (from floor to
compressed front of seat cushion)
|15.5 - 20.5" (393.7 - 520.7 mm)|
|Seat Width||18.25" (463.55 mm)|
|Backrest Height (from seat cushion
to top of backrest)
|20.75" (527.05 mm)|
|Backrest Width||17.25" (438.15 mm)|
|Armrest Height (from compressed
seat cushion to top of armrest)
|8" (203.2 mm)|
|Armrest Length (from face of
lumbar to front of armrest)
|11" (279.4 mm)|
|Distance Between Armrests||17.25" (438.15 mm)|
|Height||36.25" - 41.25" (920.75 - 1,047.75 mm)|
|Base Diameter||25.5" (647.7 mm)|
|Chair Width||28" (711.2 mm)|
|Chair Depth||25.5" (647.7 mm)|
|Upholstered Chair Weight||43 lbs (19.5 kgs)|
|Wooden Chair Weight||46 lbs (20.9 kgs)|
Thoughtfully Sustainable - Summa’s cylinder and base are made with an environmentally neutral Chrome 3 finish, rather than Chrome 6, a finish often used in the manufacturing process that is hazardous to users and the environment. The chair also features our chrome-free leather, an alternatively tanned leather that eliminates chromium, a harmful chemical used in most methods for tanning leathers.
Refined Comfort - Utilizing only one discreet height adjustment lever, Summa features a weight-compensating recline mechanism for unexpected ergonomic comfort and support. Integrated armrests attached to the chair back move with the user for complete support throughout the workday.
Visually Timeless - Summa's sleek contours extenuate the chair's thoughtful design. Utilizing only one simple yet discreet height adjustment lever, Summa eliminates large knobs for a perfectly contoured and timeless aesthetic. Between seven leather finishes and two back options, Summa can be customized to match any palette in any environment.
Built-in armrests attached to the back to move with the user, supporting the sitter in every posture
Simple and discreet height-adjustment lever seamlessly integrated into the seat
Sitter’s own weight automatically sets the recline tension
Chair back is available in three rich wood finishes or 7 upholstery options with matching box-stitching
Supports users up to 300 lbs in weight and 6'4" in height
Warranty: 10-year on components; 5-year on upholstery and wood
Humanscale Design Studio - Located in the New York City headquarters,
Humanscale Design Studio is a powerhouse of designers, engineers and
prototypists from around the world. The team also regularly collaborates on
projects with acclaimed industry figures. Abiding by the philosophy that good
design achieves more with less, the team specializes in solving functional
problems with simple, efficient designs. A holistic approach is taken to
ergonomics, with the user experience and interaction with the product front of
The design team’s award-winning innovations are backed by their thorough research into workplace trends and by working closely with Humanscale's inhouse team of ergonomics consultants.
The goal for Summa was to create a chair that was comfortable while exuding
beauty and luxury. For executive conference chairs, this combination is quite
uncommon - although beautiful, most are stiff and uncompromising to the user.
Summa’s shape is enveloping and inviting, while its crafted materials create a sense of visual harmony. Coupled with Humanscale’s self-adjusting technology, Summa eliminates the need for bulky knobs or levers to provide visual consistency from every angle.
Designed specifically with executive boardrooms and offices in mind, Summa’s enveloping shape and sculpted materials converge for a truly harmonious design that exudes luxury in every detail. Utilizing only one discreet height adjustment lever, Summa features a weight-compensating recline mechanism and integrated arm-rests for exceptional ergonomic comfort and support.
At Humanscale, our approach to product development and manufacturing embodies our mission to minimize our impacts. We believe that the best designs in the world achieve more with less, so we act accordingly.
Summa features a cylinder and base made with an environmentally neutral Chrome 3 finish, rather than Chrome 6 a finish often used in the manufacturing process that is hazardous to users and the environment.
Summa also features Humanscale’s chrome-free leather. This alternatively tanned leather uses a synthetic vegetable tanning method to eliminate chromium, a harmful chemical used in most leather tanning methods.
|Seat Height||15.5" - 20.5"|
|Chair Weight||Upholstered: 43 lbs, Wood-Back: 46 lbs|
|Weight Capacity||Up to 300 lbs|
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Humanscale offers the following warranties on its products, subject to any exclusions and limitations as set forth below:
|Customer’s Own Material (COM, COL)||No Warranty|
|Switch Mouse||1 Year, 24/7 Warranty|
|Technology Products||3 Years, Limited Warranty|
|Element Series Lights||10 Years, 24/7 Warranty|
|Horizon Series Lights||10 Years, 24/7 Warranty|
|Diffrient Series Lights||5 Years, 24/7 Warranty|
|Float Table, (Mechanical)||5 Years, 24/7 Warranty|
|eFloat and Electric Float||5 Years, 24/7 Warranty|
|QuickStand Sit/Stand Workstation, QuickStand Lite, QuickStand Eco, QuickStand Underdesk||5 Years, 24/7 Warranty|
|Fabric/Cushions/Arm Pads||5 Years, Single-Shift Warranty|
|M2, M/Flex & Para/Flex Monitor Arms||15 Years, 24/7 Warranty|
|M4, M7 & M8 Monitor Arms with Gas Cylinder Components||10 Years, 24/7 Warranty|
|Ballo Stool||3 Years, Single-Shift Warranty|
|Vessel Lights||10 Years, 24/7 Warranty, 3 Years 24/7 Warranty for the power supply driver|
|M/Connect||3 Years, 24/7 Warranty|
|M/Power||3 Years, 24/7 Warranty|
|M/Connect 2||3 Years, 24/7 Warranty|
|Monarch Mat||3 Years, 24/7 Warranty|
|Office IQ||1 Year, 24/7 Warranty|
|All other seating and products detailed in a current Humanscale Price Guide, unless otherwise specified||15 Years, 24/7 Warranty|
|All other products NOT detailed in a current Humanscale Price Guide||Varies; consult your Humanscale representative for details|
Modifying or tampering with any part of the base of the Float Table will
render the warranty void. The warranty on the Float Table applies to the base
and work surface if the table top is provided by Humanscale, and only to base if
the table top is provided by a third-party, provided that the third-party table
top meets the following requirements: (i) has a depth of 36" or less, (ii) has a
width of 72" or less, and (iii) the total weight load including work surface is
no more than 130 lbs for the standard base and no more than 160 lbs for the
heavy duty base.
Note: Ballo is not a task chair. It has not passed the BIFMA or European EN standards for office seating. The Ballo in an exercise chair that is designed for dynamic seating and frequent movement. All Ballo instructions should be followed to ensure a comfortable experience.
Modifying or tampering with any part of the base of the eFloat or electric Float will render the warranty void. The warranty on the eFloat and electric Float applies to the base and work surface if the table top is provided by Humanscale, and only to base if the table top is provided by a third-party, provided that the third-party table top meets the following requirements: (i) has a depth of 36" or less, (ii) has a width of 72" or less, and (iii) a total weight load including work surface of no more than 200 lbs.
The warranties for the Vessel lights exclude labor and other costs associated with the installation and/or removal of the lights from ceilings, walls, fixtures, etc. Further, Humanscale has no warranty obligations if the product is affected by internal or external environmental conditions (including but not limited to water, moisture, outdoor use, or temperature damage), power fluctuations, improper power supply, or if the product is not installed and used in compliance will all applicable standards and electrical codes.
These warranties are available to the original end-user customer only and are non-transferable. For these warranties to be valid, the Humanscale product must have been purchased directly from Humanscale and/or an authorized dealership, distributor, retailer and/or reseller of Humanscale products. If products are procured through an authorized dealership, distributor, retailer and/or reseller, the end-user customer must be registered with Humanscale for the warranty to be in effect. Humanscale warrants that, at the time of customer’s receipt, the product will be in good working order and will be free from defects in materials and workmanship for the duration of the warranty term, as set forth above. These warranties do not apply to normal wear and tear or damage caused by accident, neglect, product abuse, misuse and/or failure to follow instructions relating to the product’s installation or intended use. Humanscale will not be responsible for damage due to service, maintenance, modifications or tampering by anyone other than a Humanscale authorized representative. Humanscale will not be responsible for injury or damage caused by or associated with the installation and/or use of products in any manner other than in strict conformance with the instructions set forth in its installation manuals and instruction sheets and/or product literature. These warranties do not cover damage caused by a carrier or transportation of the product from one location to another, or alterations made by owner. Humanscale does not warrant damages or defects to the products under the following conditions: an Act of God, damage from electrical power problems, usage of parts or components not supplied by Humanscale, failure to perform preventative maintenance, or damage caused by peripherals not supplied by Humanscale.
In the event a product or product part is defective in material or workmanship during the warranty period, and Humanscale receives written notice of the defect within the warranty period, Humanscale will determine with customer if the defect is covered under warranty. Humanscale, at its option, may repair or replace the defective product or product part determined to be under warranty with the same or comparable product or product part as determined by Humanscale, at customer’s location or at a designated Humanscale location. The labor costs associated with the repair of the product or product part may be the responsibility of Humanscale if the product or product part is determined to be under warranty. Humanscale must pre-approve the labor costs prior to the repair or replacement of warranty products or product parts. Customer must contact Humanscale to obtain a Return Authorization through the Humanscale Customer Service Department. Performance of any repair or replacement does not renew or extend the warranty period. If, after examining and testing a returned product or product part, Humanscale determines that the product or product part is not defective, Humanscale will notify customer and return the product or product part to customer. Customer will be responsible for the freight charges associated with the return of non-defective products or product parts. To return a product or product part for repair that is not covered by warranty, Customer must request a Return Authorization through the Humanscale Customer Service Department. Customer will bear the costs of labor and freight charges associated with non-warranty repair. Customer will be charged a standard repair fee, specific to the product, for any product that is repaired outside of the warranty period. Repairs on products out of warranty also carry a 90-day warranty, effective the day that Customer receives the repaired product or product part. For products that are not covered under warranty: Customer may upgrade to a newer, functionally equivalent product at the list price; the product or product part will be returned to Customer; or Customer can request in writing that Humanscale dispose of the product or product part for Customer, in which case a fee may apply as designated by local law.
THIS LIMITED WARRANTY IS IN LIEU OF ALL OTHER REPRESENTATIONS, WARRANTIES OR CONDITIONS, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED REPRESENTATIONS, WARRANTIES OR CONDITIONS OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, NON-INFRINGEMENT, NON-INTERFERENCE, AND ALL OTHER WARRANTIES ARISING FROM COURSE OF DEALING OR USAGE OF TRADE.
Humanscale does not warrant that customer’s use of the Humanscale product will be uninterrupted or error free. Any implied warranties that may be imposed by law are limited in duration to the Limited Warranty period, to the greatest extent allowed by law. Some states or countries do not allow a limitation on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages for consumer products. In such states or countries, some exclusions or limitations of this Limited Warranty may not apply. This Limited Warranty is subject to change without notification.
Limitation of Liability
Purchaser’s remedies set forth herein are exclusive and the liability of Humanscale with respect to the breach of this agreement or any contract entered into between the parties pursuant hereto shall not exceed the price of the product or part on which such liability is based. In no event will Humanscale be liable to purchasers for any special, collateral, incidental or consequential damages however caused, whether by Humanscale’s negligence or otherwise. The remedies provided above are the purchaser’s sole remedies for any failure of Humanscale to comply with its obligations regarding the workmanship of its products. Correction of any nonconformity in the manner and for the period of time provided shall constitute complete fulfillment of all liabilities of Humanscale, with respect to or arising out of the product furnished hereunder.