What is the most energy-efficient short throw projector?
This page compares 6 short throw projectors with verified specifications and prices. Top options include BenQ LK936ST, Epson Lifestudio Grand, Epson Lifestudio Grand Plus. Prices range from £553 to £3,619. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Brightness (ANSI Lumens) ⇅ | Screen Resolution (HD, FHD, 4K) ⇅ | Throw Ratio (1.0 - 2.5) ⇅ | Contrast Ratio (-) ⇅ | Input Ports (-) ⇅ | Keystone Correction (Yes/No) ⇅ |
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BenQ LK936ST
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£3618.55 ≈ | — | — | 0.81 ~ 0.89 | 3,000,000:1 | 2 x HDMI 2.0b, 1 x DisplayPort 1.2a, 1 x LAN (RJ45), 1 x HDBaseT (RJ45), 1 x 3D Sync In, 1 x 3D Sync Out, 1 x USB Type-A, 1 x RS232, 1 x wired remote in, 1 x wired remote out, 1 x 12V trigger | ✓ |
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The BenQ LK936ST is a bright 4K UHD short-throw laser projector with a 20,000-hour light source, 92% Rec.709 coverage, and dedicated Golf Mode. It suits golf simulators, home theaters, gaming, and large-screen installations where ambient light and flexible positioning are important. ★ Ideal forIt suits energy-conscious short-throw use because its sealed laser light source lasts up to 20,000 hours with no lamp replacements, while the 0.81 ~ 0.89 throw ratio and 5100 ANSI lumens support large bright images from short distances.
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Epson Lifestudio Grand
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£1624.98 ≈ | — | — | — | 5000000:1 | 3 x HDMI, 2 x USB-A, 1 x USB-B, 1 x SPDIF, 1 x 3.5mm headphone jack | — |
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The Epson Lifestudio Grand is an ultra-short-throw 4K PRO-UHD laser projector with 3600 lumens, built-in Google TV, and Sound by Bose. It suits home cinema, streaming, gaming, and bright living rooms where a large image is needed without ceiling mounting. ★ Ideal forIt suits the most energy-efficient short throw projector question because its laser light source lasts up to 20000 hours and uses 193 W typically, while its ultra-short-throw design projects up to a 120 in image from close to the wall.
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Epson Lifestudio Grand Plus
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£2215.88 ≈ | — | — | 0.16 - 0.40 | 5000000:1 | 3 HDMI | — |
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The Epson Lifestudio Grand Plus is an ultra-short-throw laser projector with 4K HDR projection up to 150in, 4000 lumens of color and white brightness, built-in Google TV, and Sound by Bose audio. It suits home theaters, living rooms, gaming setups, and other large-room entertainment spaces where a bright, immersive image is needed from a short distance. ★ Ideal forIt suits the question because its ultra-short-throw laser design projects a large image from just inches away and its 350-watt power consumption with a 20000-hour eco-mode light life supports efficient long-term use. |
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BenQ TK700STi
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£1254.93 ≈ | — | — | 0.91.08 | 10000:1 | 2 x HDMI 2.0b, 1 x USB Type-A, 1 x RS232 | ✓ |
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The BenQ TK700STi is a 4K UHD short-throw projector with 3000 ANSI lumens, HDR10 support, Android TV, and low input lag for gaming. Its short-throw lens suits small to medium rooms, while built-in vertical and horizontal keystone correction makes setup more flexible. ★ Ideal forIt suits energy-efficient short-throw use because its 0.91.08 throw ratio produces large images from a short distance, while SmartEco and Eco lamp modes can reduce power use and extend lamp life.
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BenQ LW890UST
US
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£1513.45 ≈ | — | — | 0.24:1 | 3,000,000:1 | PC in (D-sub 15-pin), composite video in (RCA), S-Video in (Mini DIN 4-pin), 2x HDMI, LAN (RJ45), USB Type-A, 2x USB Type Mini-B, RS232 in (DB-9-pin), audio in (3.5mm mini jack) | ✓ |
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The BenQ LW890UST is a 4000-lumen WXGA laser projector with an ultra-short 0.24:1 throw ratio, allowing large images from a position close to the wall. Its sealed laser design, long 20,000-hour light-source life, extensive connectivity, and flexible keystone adjustment suit classrooms, meeting rooms, and other professional spaces. ★ Ideal forIt suits energy-efficient short-throw use through its laser light source, 20,000-hour operating life, instant power-on, and 358W typical power consumption, while its 0.24:1 throw ratio supports close-wall installation.
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Optoma HZ146X-W Full HD DLP Laser Projector
US
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£553.23 ≈ | — | — | 1.48:1 - 1.62:1 | 2,000,000:1 | 2 x HDMI 2.0, 1 x USB-A power 1.5A, 1 x RS232 | ✓ |
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The Optoma HZ146X-W is a bright Full HD laser projector with 3,800 ANSI lumens, a 30,000-hour laser light source, and support for screens up to 300 in. It suits home cinema, gaming, business, and education users who want vivid images, low maintenance, and flexible installation. ★ Ideal forIt suits energy-efficient short throw projector searches because its laser light source uses 88 W in typical operation, lasts up to 30,000 hours, and provides 3,800 ANSI lumens with adjustable keystone correction, although its 1.48:1 - 1.62:1 throw ratio is standard throw rather than short throw.
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