Window blinds, shades, and panels all provide DIY
Yes – and many living organisms, such as fireflies, the angler fish and some jellyfish, do precisely that, via luminescence. This involves generating photons with wavelengths mainly in the visible region, rather than in the shorter, infrared region corresponding to heat.
Daylighting is the use of windows and skylights to bring sunlight into your home. Today's highly energy-efficient windows, as well as advances in lighting design, reduce the need for artificial lighting during daylight hours without causing heating or cooling problems.
Day and Night Honeycomb Shades
The Day and Night shades are perfect if you want the best of both worlds. You can pull them up for a room darkening effect or pull them down for a light filtering effect. The light filtering end allows light to flow through but doesn't expose your home to every passerby.
But LEDs are great because they don't produce heat.
LEDs or light-emitting diodes don't require any heat to help their elements 'glow'.
Reactions that produce light without heat are called chemiluminescent reactions. Perhaps the most familiar chemiluminescent reactions are those that occur in living organisms. Fireflies produce light without heat by a chemiluminescent reaction.
Low-e glass, as it is commonly known, is specially coated with metal oxides to contain indoor heat, repel outdoor heat and ultraviolet rays and yet allow visible light to pass.
If you're looking for light but still want a fair amount of control of privacy and heat, the cellular shade is your option. Choose a light-filtering fabric for soft, beautiful light on sunny days. Cellular shades are the most popular of all window treatments and are available in a range of attractive fabrics.
Sheers and Shadings
Two sophisticated choices you might consider are Silhouette Window Shadings and Luminette® Privacy Sheers. Silhouette Window Shadings boast unique S-shaped vanes suspended between two sheers; simply tilt the vanes to allow light to filter through, while blocking the outside world from looking in.
Adjustable external shading devices such as blinds, awnings, louvres or shutters, or angled metal slats provide the flexibility to block the low-angled morning and afternoon sun.
Block the sun with curtains and blinds:
Light-coloured curtains or blinds can help reduce almost 40% of the heat that is produced by sunlight. Insulated glass windows also help prevent the room temperature from rising. This is an important remedy for how to keep a room cool without AC.
So in short: Electrons absorb the lights energy and turn it into vibrational energy which equates to heat.
Bring solar lights inside
A clever way to light dark rooms during a blackout is by bringing solar-charged flower beds and walkway lights inside after the sun goes down. For extended outages, place the lights in a sunny window to recharge during the day, or bring them back out into the sun to power up before dark.
Vertical blinds are the best blind for privacy as they can block out any glare from the sun whilst still providing a view outside depending on how you have positioned the blind. You have many ways to elevate your privacy depending on your wants and needs.
Solar shades are designed to act as a sort of privacy screen, and allow you to see out, but others not see in, providing daytime privacy.
The best window film for heat reduction is a spectrally selective window film. These heat blocking window films are typically more expensive, but they protect against heat while allowing in more light.
Another option you can go for is smart glass film; a special kind of film that you can change from being transparent to opaque, just with the flip of a switch. Smart glass film can even provide your windows with privacy at night since the difference between interior and exterior brightness is irrelevant.
Custom-cut blinds will ensure that full coverage is provided to block light more effectively. Plantation blinds are another great option since they are designed using wider slats. As a result, they are much more effective at blocking light than vinyl options.
Louvered Blinds
Window blinds—vertical (Venetian blinds) or horizontal slat-type (louvered-type)—are effective at reducing summer heat gain and reducing glare, while providing good daylight indoors.
Obscure glass often means glass with reduced transparency to keep your home private, but still lets in the light. This glass has levels of obscurity ranging 1-5 with 5 being the most obscure.
There is a phenomenon that generates light without generating heat as by-product*. The phenomenom is called Electroluminescence, and is used in LEDs which are used in many electric equipment (the tiny lights in your computer to let you know it's on).