Charles Winslow

Charles Winslow, CEO of GW Worldwide LLC, has a BS from Cal Poly. He has been principal in multiple start-ups and expansions including BWGS/Sunleaves, Penhall International, Furrows. He currently works with international companies developing JV’s, co-ventures, and new technologies for energy reduction for horticulture, lighting and building. Contact gw.worldwide@yahoo.com

Articles by Charles Winslow


Solarium Growrooms: Think Outside the House Solarium Growrooms: Think Outside the House Solarium Growrooms: Think Outside the House Solarium Growrooms: Think Outside the House


Looking to conserve energy this year? Get down to basics and work with Mother Nature.

The Latest in LEDs The Latest in LEDs The Latest in LEDs The Latest in LEDs


Lighting expert Charles Winslow gets technical with modern LED grow lights and how they affect your indoor plants.

The Art of Cleaning: A Tribute to Charlie Watson The Art of Cleaning: A Tribute to Charlie Watson The Art of Cleaning: A Tribute to Charlie Watson The Art of Cleaning: A Tribute to Charlie Watson


A necessary, but often cumbersome job, between crop cycles is cleaning up your growroom. We've got some tips to help make this task a...

Building an In-Ground Hydro System Building an In-Ground Hydro System Building an In-Ground Hydro System Building an In-Ground Hydro System


Simple in-ground hydroponic systems can be an extremely cost-efficient solution for hydroponic growing. Read on to find out what you’ll...

Testing T5 Lighting Technology Testing T5 Lighting Technology Testing T5 Lighting Technology Testing T5 Lighting Technology


Artificial lighting is a crucial component of a successful indoor garden and the technology is always evolving. One writer puts some new T5...

Build Your Own Solar Greenhouse Build Your Own Solar Greenhouse Build Your Own Solar Greenhouse Build Your Own Solar Greenhouse


If you want year-round gardening opportunities and a pleasant living space to enjoy in all four seasons while keeping your energy bills low...

The Eco Home II: New Homes for a New World The Eco Home II: New Homes for a New World The Eco Home II: New Homes for a New World The Eco Home II: New Homes for a New World


Charles Winslow is very concerned about the state of the planet, but he’s got some pretty amazing ideas about how to fix it—and they all...

Q&A by Charles Winslow


Should I run my fan faster or slower to air cool two light fixtures? Should I run my fan faster or slower to air cool two light fixtures? Should I run my fan faster or slower to air cool two light fixtures? Should I run my fan faster or slower to air cool two light fixtures?


Good day! In your situation you are best off slowing the fan. The air needs to move slowly enough to exchange with the heat. A bigger fan...

What are the best T5 fluorescent lights to start my pepper plants indoors? What are the best T5 fluorescent lights to start my pepper plants indoors? What are the best T5 fluorescent lights to start my pepper plants indoors? What are the best T5 fluorescent lights to start my pepper plants indoors?


Peppers are one of my favorites to grow. We have grown 10-inch Thai chilies and 15-inch Habs. They were just downright mean! For the T5’s,...

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