HBADA E3 Air vs SIHOO B100 Pro: Which Should You Buy?

Key difference: The B100 Pro lists about $240 lower, but the E3 Air carries a 5-year warranty on core parts.

HBADA and SIHOO each publish their own specifications, and this comparison of the E3 Air and B100 Pro uses only those, plus regular US list prices.

Why compare them

Why put the HBADA E3 Air next to the SIHOO B100 Pro? The HBADA E3 Air and the SIHOO B100 Pro are both mesh office chairs with a headrest, a few hundred dollars apart at list price.

Specs side by side

Strengths and weaknesses

HBADA E3 Air

Strengths

• Longer warranty: 5 years on the base, gas lift and casters; 3 years on other parts, against 3 years on the B100 Pro.
• Deeper recline: up to 140° against 135° on the B100 Pro.
• 4D headrest, against 3D on the B100 Pro.
• More recline lock positions: 5 against 3 on the B100 Pro.

Weaknesses

• Costs more: from $499 against $259.99 for the B100 Pro.

SIHOO B100 Pro

Strengths

• Lower list price: from $259.99 against $499 for the E3 Air.

Weaknesses

• Shorter warranty: 3 years, against 5 years on the base, gas lift and casters; 3 years on other parts on the E3 Air.
• Shallower recline: up to 135° against 140° on the E3 Air.
• 3D headrest, against 4D on the E3 Air.
• Fewer recline lock positions: 3 against 5 on the E3 Air.

How they differ

Price. At regular US list prices the HBADA E3 Air is $499–$549 and the SIHOO B100 Pro is $259.99–$299.99. The B100 Pro lists about $240 below the E3 Air, before any store sale. Price options: the E3 Air — E3 Air 2026 Edition, Black or Gray: Without Footrest $499, With Footrest $549; the B100 Pro — Standard Version $259.99, Footrest Version $299.99 (Black and White).

Warranty. The HBADA E3 Air lists “5 years on the base, gas lift and casters; 3 years on other parts”, the SIHOO B100 Pro “3 years”. The E3 Air's cover runs longer.

Recline. The HBADA E3 Air lists “Up to 140°; 5 tilt levels”, the SIHOO B100 Pro “Up to 135°; 3 lock positions”. The E3 Air leans back further.

Headrest. The HBADA E3 Air lists “4D Dual-Axis Adjustable Headrest: frame rotation 70°, axis rotation 70°, up/down 4 cm, forward/backward 7 cm”, the SIHOO B100 Pro “Wide 3D adjustable headrest”. The E3 Air's headrest has more adjustment than the B100 Pro's.

Seat size. Seat height: the HBADA E3 Air lists “≈18.3–21.7 in (46.5–55 cm)”, the SIHOO B100 Pro nothing. Seat width: the HBADA E3 Air lists “≈20.3 in (51.5 cm)”, the SIHOO B100 Pro nothing. Seat depth: the HBADA E3 Air lists “≈16.9–18.9 in (43–48 cm)”, the SIHOO B100 Pro nothing.

Other details. For the E3 Air and B100 Pro, the table above gives the armrests, lumbar support, maximum load and chair weight in each brand's own wording.

Same on both. The E3 Air and B100 Pro list the same Footrest Version option.

Who should buy which

• Pick the E3 Air over the B100 Pro if you want a longer warranty (5 years on the base, gas lift and casters; 3 years on other parts).
• Pick the E3 Air over the B100 Pro if you want a deeper recline (up to 140°).
• Pick the E3 Air over the B100 Pro if you want a headrest with more adjustment (4D rather than 3D).
• Pick the B100 Pro over the E3 Air if you want the lower price — the B100 Pro lists about $240 below the E3 Air.

Not published by the brand (E3 Air vs B100 Pro): chair weight for the HBADA E3 Air; seat height, seat depth and seat width for the SIHOO B100 Pro.

Sources

• HBADA E3 Air (compared here with the B100 Pro): HBADA E3 Air Ergonomic Office Chair 2026 Edition – HBADA EU official store; HBADA E3 Air Ergonomic Office Chair 2026 Edition – HBADA US official store, checked 2026-10-09; US list price from HBADA US Official Store, checked 2026-10-09.
• SIHOO B100 Pro (compared here with the E3 Air): Sihoo B100 Pro Ergonomic Office Chair With Flip-Up Armrest – Official US Sihoo Store, checked 2026-10-09; US list price from SIHOO US Official Store, checked 2026-10-09.
• Figures marked ≈ for the E3 Air and B100 Pro are Chairpedia's unit conversions, not brand figures.