HIGROWSIR TopSpread 4C commercial greenhouse LED toplight suspended beneath a glass greenhouse roof.

TopSpread 4C Commercial Greenhouse LED Toplight

Greater Spectrum Flexibility,
For Changing Growing Needs.

Four independent light channels, including far-red, give growers more freedom to adapt their lighting strategy to different crops, growth stages and future production needs.

Explore TopSpread 4C

TopSpread 4C
Overview

Built for the Way
Commercial Greenhouses
Operate.

 

TopSpread 4C spectrum diagram showing independent blue, white, red and far-red light channels for greenhouse lighting.

More Flexibility, With Far-Red

Independent red, blue, white and far-red channels let growers adjust far-red separately for crop-specific lighting strategies.

DIALux greenhouse lighting simulation showing toplight fixture positions and modeled light distribution.

Plan for the Light You Need

Simulate fixture quantity, spacing and light distribution against your greenhouse layout and target PPFD before installation.

Exterior of a commercial multi-span glass greenhouse showing the roof structure and connected growing bays.

Built for Changing Greenhouse Needs

Designed for commercial greenhouse structures and layouts, with added spectrum flexibility to support evolving production plans.

TopSpread 4C at a Glance

800-1200W

POWER OPTIONS

    4CH

INDEPENDENT CHANNELS

277–480V

AC INPUT

IP65

IP RATING

DIGITAL

DIMMING

MORE CONTROL. MORE POSSIBILITIES.

Far-red can influence plant morphology and flowering responses in certain crops. With a separate FR channel, growers can adjust its contribution without changing red, blue or white, giving them more control over crop-specific lighting strategies.

Commercial greenhouse interior with overhead support structures, suspended lighting fixtures and shade screens.

From Target PPFD
to Lighting Layout.

View Lighting Engineering

Commercial Lighting
Engineering

Lighting Engineering

Project
Layout
Validation

Lighting Plans for Your Growing Needs

Tell us your crop and target light level. We can help select the right fixtures and plan the quantity and spacing for your greenhouse.

DIALux greenhouse lighting report showing fixture layout, illuminance results and a PPFD-equivalent summary.
Lighting Performance Validation

Choose the Control Level for Your Project

WR + IR CONTROL

HIGROWSIR TopSpread 2C commercial greenhouse LED toplight with two-channel spectrum control.

TopSpread 2C

2 Channels

Combined white/red output with independent IR control.

View 2C

R + B + W CONTROL

HIGROWSIR TopSpread 3C commercial greenhouse LED toplight with independent red, blue and white channels.

TopSpread 3C

3 Channels

Independent red, blue and white control for flexible spectrum adjustment.

View 3C

CURRENT MODEL · R + B + W + FR

HIGROWSIR TopSpread 4C commercial greenhouse LED toplight with independent red, blue, white and far-red channels.

 

TopSpread 4C

4 Channels

Adds independent far-red control for broader spectrum adjustment.

TopSpread 4C

For Commercial Greenhouse Projects

Need a lighting plan for your greenhouse?

Share your greenhouse dimensions, mounting height and target PPFD. We can review fixture selection, quantity and layout before quotation.

×

Contact Us

captcha
×

Inquiry

*Name
*Email
Company Name
Tel
*Message