Does closing blinds save energy in winter?
By closing the blinds, you keep direct sunlight out of your home and reduce unwanted solar heat gain. Closing window blinds help save energy in the winter since, during cold nights, heat is lost through windows. Closing the blinds will add some insulation to the windows, reducing heat loss.
In the winter, if you have south-facing windows, let the light shine in. The sun will help heat your home naturally, which takes some pressure off your furnace. For other windows, keep blinds and curtains close during the winter to keep heat inside your home.
Yes, blinds are good insulation for windows, regardless of the type of blind you use. This is because the closed blind forms a barrier (that is permeable to various extents depending on the blind), which helps to keep heat in, cold out, and to take the edge off draughts from rattly windows.
The honest answer is all window blinds will help keep the cold out, if you use them properly. It is very simple, close your blinds in the early evening and leave them closed until the morning. This will keep as much heat inside your home as possible.
Reduces heat loss in winter
Window blinds are just as beneficial in winter. If snug against the window frame, they greatly reduce heat loss. They can also be kept open during the day and closed at night, trapping heat and reducing the need to turn on your furnace.
Privacy: Blinds provide an effective way to control the amount of privacy in a room. By adjusting the slats or pulling them completely closed, individuals can prevent outsiders from seeing inside their homes or offices.
During this research, one company found that drawing your blinds in the evening can reduce heat loss by as much as 14%. And, if you decided to pair your blinds with curtains, you could further reduce this by an additional 17%. So yes, closing blinds really does help you to save energy!
By closing the blinds, you keep direct sunlight out of your home and reduce unwanted solar heat gain. Closing window blinds help save energy in the winter since, during cold nights, heat is lost through windows. Closing the blinds will add some insulation to the windows, reducing heat loss.
Closed blinds serve to deflect the sun (and so, heat) before it gets into the room, which reduces unwanted solar gain and helps to keep your home cooler in turn.
Privacy. They don't want people being able to look in windows and see them. This is especially true if your windows are a direct line of sight into a bedroom or bathroom, where people are generally naked or in the process of getting ready.
Do blinds help insulate a room?
Blinds insulate your home by trapping a layer of air between the fabric and the window when correctly measured and installed. This effectively seals the windows, preventing air from escaping through them. Pull up the blinds during the day for the best effect, allowing sunlight to warm the house.
- Secondary Glazing. ...
- Insulating Curtains. ...
- Draught Snakes. ...
- Weather Strips. ...
- Strategic Caulking. ...
- Window Insulation Film. ...
- Window Insulation Tape. ...
- Get a Secondary Glazing Quote and Keep Draughts Out of Your Home.

Warmer Environment During Winter
In the cooler months, if you want to maintain a warmer temperature without letting in bright sunlight, it's best to close the blinds with the slats turned down.
Around 18% of the total heat within a house is lost through the windows. This heat loss through windows is caused by radiation through glazing, convection and conducted through the window frame.
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.
Remember that upward facing blinds do best when you are “up” and awake during the daytime hours; downward facing blinds are best when you are “down” and ready to go to sleep during the nighttime hours.
Closed blinds, regardless of the blind type, help to insulate the window they're on. Some blinds are far better at this than others, but a blind – particularly a very thermally efficient one – can make a massive difference to the amount of heat that escapes via your windows.
If your goal is to control light coming in then the best option is to turn the slats up. Opening this direction allows more light to enter the room and helps control the glare. If light control is your goal, then your best option is to turn your blinds up.
Smart Home Cooling Tips. Close your blinds and curtains. Keeping your blinds closed during the day will reflect a surprising amount of heat radiating in through windows, especially during the time of day when the sun's rays shine directly on your home.
The best way to prevent this heat loss is to close your curtains and lower your blinds immediately after dusk. They provide an extra barrier to radiant heat loss, add insulation and reduce draughts.
Do blinds reduce heating costs?
Blinds can reduce heat gain by 45% for a significant increase in energy performance. Energy efficiency isn't the only consideration, though —curtains can offer better soundproofing than blinds, as well as add an elegant, luxurious feel to your home's décor.
Leaving them closed during the day makes it look like there's no one at home so best to leave them open and get security lighting. Try not to leave valuable items, such as your TV, stereo or computer, where thieves can see them.
Vertical blinds are the best blinds for winter because they have vanes that can be adjusted to direct sunlight away from your home. This helps keep heat in and keeps your house warmer during colder months.
When windows are kept closed and there is insufficient air circulation inside, condensation can form on the panes. If ignored, this moisture can create serious problems. Mold, bacteria, and other toxins can start to build up and possibly cause illness in those living in the home.
Right when you wake up, open your blinds. Dr. Nosal says that spending time outside helps regulate hormones and neurotransmitters that have strong effects on mood, behavior and the body's natural rhythmic patterns.
More privacy: by turning the blinds up, you limit the amount of visibility space directed towards the room. People won't be able to see inside when passing by.
Keeping Cosy in Winter with Blinds
In order to make the most out of your blinds, you should leave them open during the day to allow any heat from the sun to warm your home but once the sun sets and the temperature drops, you should shut your blinds as they provide a layer of insulation for your windows.
- Keep the curtains closed. This one is key at night, regardless of whether you're in the room or not. ...
- Invest in some heavier curtains for winter. ...
- Don't place your heater right next to the windows. ...
- Search your house and fill in the gaps. ...
- Know when and where to let the sunshine in.
Emergency management agencies specifically recommend using aluminum foil-covered cardboard that goes between windows and drapes.
For cold climates, you'll want to choose windows that have wood, vinyl, fiberglass, or composite frames. Wood with vinyl cladding is ideal since it will hold heat best and the vinyl will protect the wood. Vinyl and fiberglass frames are also great, but fiberglass can be more expensive than vinyl and wood.
Where is most energy lost in a house?
- Basement Walls and Floors. 20% of home heat is lost through basement walls. ...
- Cracks in Walls, Windows and Doors. ...
- Poorly Insulated Windows. ...
- Framed Walls. ...
- Ceilings. ...
- Exterior Doors.
Here's the secret: Set the temperature of your home at least eight degrees lower for the eight hours or so that you sleep at night. Every degree you lower the thermostat can net you an estimated 1% off your heating bill.
Nearly two-thirds of the loss occurs when heat contacts inefficient window glass. Single-paned windows are the biggest offenders, but this heat loss can occur in older double-paned windows too.
The reasons your house is cold even with the heat on could be because of poor insulation, your furnace not working properly, rooms with high ceilings, or your heating system doesn't cover the whole house. Each of these issues can prevent your home from properly heating.
Keep curtains and blinds open while you're away – closing them gives the impression that no-one is home. Use a timer to turn lights on and off in the evening. You can buy simple timers that fit into plug sockets that schedule lights to come on for a couple of hours, giving the impression that someone is home at night.
Keep blinds open during the day. Not only will this practice save you some money on energy bills during the winter, but it can also keep you and your family healthier. Read on to find out how sunlight can kill harmful bacteria present in the dust in your rooms.
In the cooler months, if you want to maintain a warmer temperature without letting in bright sunlight, it's best to close the blinds with the slats turned down. This would keep the rounded side of the blinds facing the room, helping direct the heat towards the center of the room to maintain a warmer temperature.
While you may be focused on removing the dust in your home, according to an article published in Science Daily, letting the sunshine into your home through the windows can actually kill bacteria that live in the remaining dust and this can help decrease the risk of respiratory issues.