Notifications
Clear all

Big windows vs heating bills—worth it?

500 Posts
462 Users
0 Reactions
14.6 K Views
Posts: 20
(@tiggerd56)
Eminent Member
Joined:

"Sunlight during the day actually warms up the rooms nicely, even in winter. I can feel the difference on sunny vs cloudy days."

You're spot-on about orientation making a huge difference. South-facing windows are basically nature's free heating system in winter—it's called passive solar heating, and it's pretty awesome when done right. Big windows aren't automatically energy hogs; it's more about how they're installed and their quality.

Thermal curtains are great at night, but yeah, heavy ones can make mornings feel like you're waking up in a cave... I've found lighter-colored thermal curtains or blinds that you can easily open in the morning help balance things out nicely.

As for condensation, you're right—it's not always insulation-related. Sometimes it's just humidity levels indoors. Running a dehumidifier occasionally is a smart move. Also, cracking open a window briefly each day (even in winter!) can help circulate air and reduce moisture buildup.

Sounds like your windows were installed pretty well from the start, which makes all the difference. Good installation and proper sealing usually matter way more than window size alone. Congrats on your new home btw—sounds like you're already getting the hang of it!


Reply
kennethknitter5293
Posts: 15
(@kennethknitter5293)
Active Member
Joined:

We had big windows in our last place, and honestly, sunny winter days were the best—felt cozy without cranking up the heat. The condensation drove me nuts tho... wish I'd thought of a dehumidifier back then. Sounds like you're doing great figuring it out!


Reply
baileymeow750
Posts: 20
(@baileymeow750)
Eminent Member
Joined:

"The condensation drove me nuts tho... wish I'd thought of a dehumidifier back then."

Haha, been there! Big windows are awesome for soaking up that winter sun, but yeah, condensation can be a real pain. Quick tip from someone who's battled this for years: keep a squeegee handy and give the windows a quick swipe each morning—sounds silly, but it helps a ton. You're definitely on the right track with the dehumidifier idea, though. Keep at it, you're doing better than most of us did starting out...


Reply
Posts: 16
(@blazej46)
Active Member
Joined:

Big windows look great, sure, but honestly, if you're dealing with constant condensation, that's usually a sign of poor insulation or ventilation issues. A dehumidifier's just a band-aid fix—better off addressing the root cause or you'll keep fighting the same battle every winter.


Reply
Posts: 27
(@sfluffy89)
Eminent Member
Joined:

Condensation's usually a ventilation or insulation issue, true, but big windows can still be worth it if you tackle the root cause. First, check your window seals—replace weatherstripping if worn. Next, consider upgrading to double-glazed or insulated glass units. Finally, improve airflow: install trickle vents or run exhaust fans regularly. Did this for a client last winter... condensation gone, heating bills down noticeably. Big windows don't have to mean big problems if you handle them right.


Reply
comics779
Posts: 17
(@comics779)
Active Member
Joined:

Did something similar at my place a couple years back—switched to double-glazed units and added trickle vents. Honestly, wasn't expecting much, but the difference was noticeable. Big windows stayed clear, and bills dropped enough that I stopped grumbling about winter... mostly.


Reply
Posts: 17
(@carolrebel469)
Active Member
Joined:

"Honestly, wasn't expecting much, but the difference was noticeable. Big windows stayed clear, and bills dropped enough that I stopped grumbling about winter... mostly."

Interesting to hear this actually worked for you. I'm still pretty new to owning a home, and our place has these huge windows in the living room that look amazing but seem to leak heat like crazy. Last winter was rough—my heating bills were way higher than I expected, and condensation built up constantly.

I've been thinking about double glazing, but wasn't sure if it was worth the cost and hassle. Could you maybe share roughly how long it took before you noticed a difference in your bills? Also, did you do anything else besides the trickle vents to improve ventilation or insulation around the frames? I'm trying to approach this step-by-step since I'm learning as I go along...


Reply
poetry700
Posts: 18
(@poetry700)
Active Member
Joined:

I replaced our old single-pane windows with double-glazed units about six years back. Bills dropped noticeably within the first winter. Didn't bother with trickle vents, but carefully sealing around frames made a big difference—worth the effort, IMO.


Reply
snorkeler41
Posts: 32
(@snorkeler41)
Eminent Member
Joined:

- Good points, but sealing frames completely might not be ideal long-term.
- Without trickle vents or some airflow, condensation can become an issue... learned that the hard way myself.
- Double-glazing definitely helps, but balancing insulation with ventilation matters too.
- Maybe try a humidity sensor—helped me find the sweet spot between keeping heat in and moisture out.


Reply
mfurry27
Posts: 16
(@mfurry27)
Active Member
Joined:

"Without trickle vents or some airflow, condensation can become an issue... learned that the hard way myself."

Ha, same here—thought I was being clever sealing up every tiny gap around my windows last winter. Felt pretty smug at first, watching the heating bill drop a bit... until I woke up one morning to find a mini rainforest forming on the glass! 😅

Ended up chatting with a neighbor who recommended trickle vents and a humidity sensor. Honestly, I was skeptical at first (another gadget?), but it actually helped me figure out when to crack a window or run the extractor fan. Now I’m saving money without turning my place into a tropical greenhouse.

Big windows are great for natural light and views, so I wouldn’t trade them. Just gotta find that balance between cozy warmth and fresh air.


Reply
Page 9 / 50
Share: