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Window Shades vs Curtains: Which Saves More Energy? (2026)

If you’re deciding between window shades and curtains to cut cooling and heating bills, this guide compares energy savings, installation, and cost for summer and winter — and tests three NICETOWN curtain options you can buy today. You should read this if you have large windows or a sunny bedroom and want a practical, affordable way to lower HVAC use. We selected these models because they represent common consumer choices (premium, budget, lined silk-like) and because their feature sets — triple‑weave, sewn liners, and thermal linings — map directly to real energy performance and installation tradeoffs.

Quick Answer

Curtains with thermal or blackout construction save significant energy year-round; our top pick is NICETOWN Bedroom Blackout Curtains (B0F5VW731X) for large windows because its triple‑weave thermal layers offer the best combined summer heat rejection and winter insulation among the samples tested.

Quick Comparison

Select 2-3 products to compare side-by-side

Product comparison table
Compare Product CozyMeter Score Price Tier Key Feature Best For Action
NICETOWN Bedroom Blackout Curtains Panels, 1 Pair, 55 inches by 92 Inch, Greyish White, Triple Weave Energy Saving Thermal Insulated Solid Grommet Blackout Draperies for Patio NICETOWN 55x92 Triple‑Weave
4.9
Premium Triple-weave thermal blackout Large windows & patio doors Check Price
NICETOWN 100% Blackout Short Curtains with Black Liners, 2 Panels, 37" W by 63" L, Baby Pink, Solid Thermal Insulated Full Blackout 2-Layer Lined Drapes, Energy Efficiency Window Draperies for Bedroom NICETOWN 37x63 Lined Blackout
4.9
Budget Sewn black liner for 100% blackout Small bedrooms and nurseries Check Price
NICETOWN Crystal Pink Full Shade Curtain Panels, 37" Wide x 70" Long, Pair of Thermal Insulated & Energy Efficiency Blackout Curtains for Living Room Windows, Lined Silky Performance Window Dressing NICETOWN 37x70 Silky Lined
4.9
Budget Silky lined blackout finish Living rooms that need style + insulation Check Price
0 products selected

1. NICETOWN Bedroom Blackout Curtains Panels, 1 Pair, 55 inches by 92 Inch, Greyish White, Triple Weave Energy Saving Thermal Insulated Solid Grommet Blackout Draperies for Patio

NICETOWN Bedroom Blackout Curtains Panels, 1 Pair, 55 inches by 92 Inch, Greyish White, Triple Weave Energy Saving Thermal Insulated Solid Grommet Blackout Draperies for Patio
4.9/5 CozyMeter Score · editorially ranked

A premium option built around NICETOWN’s triple‑weave construction that balances light blocking with thermal insulation. Well suited to larger windows and patio doors where coverage, noise buffering, and a refined look matter.

Key Specs

  • Material: Polyester triple‑weave
  • Panel size: 55" W x 92" L (each)
  • Light control: Blocks ~85–99% light (dark colors best)
  • Mounting: 1.6" grommet top for standard rods
  • Care: Machine washable (cool water)

Pros

  • Better winter insulation than the shorter lined options
  • Smoother, more luxurious look and feel than budget panels
  • Easier to install on standard rods thanks to large grommets

Cons

  • Higher price tier than the other reviewed panels
  • Heavier fabric may require a sturdier curtain rod

Best For: Large windows & patio doors

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2. NICETOWN 100% Blackout Short Curtains with Black Liners, 2 Panels, 37" W by 63" L, Baby Pink, Solid Thermal Insulated Full Blackout 2-Layer Lined Drapes, Energy Efficiency Window Draperies for Bedroom

NICETOWN 100% Blackout Short Curtains with Black Liners, 2 Panels, 37" W by 63" L, Baby Pink, Solid Thermal Insulated Full Blackout 2-Layer Lined Drapes, Energy Efficiency Window Draperies for Bedroom
4.9/5 CozyMeter Score · editorially ranked

A budget-friendly two-layer curtain with a sewn black liner that delivers true blackout and strong heat-blocking in summer and good heat retention in winter. Excellent value if total darkness and cost are priorities.

Key Specs

  • Material: Polyester outer + sewn black liner
  • Panel size: 37" W x 63" L (each)
  • Light control: 100% blackout with liner backing
  • Noise reduction: Heavier, lined drape for sound buffering
  • Care: Machine wash (hand wash or dry clean recommended by manufacturer)

Pros

  • Better complete blackout performance than non-lined options
  • Best value for light blocking and functional energy savings
  • Creates a pitch‑black room ideal for daytime sleepers

Cons

  • Shorter length and header with grommets can reduce hung length
  • Heavier lined panels need a sturdy rod — may stress light brackets

Best For: Small bedrooms and nurseries

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3. NICETOWN Crystal Pink Full Shade Curtain Panels, 37" Wide x 70" Long, Pair of Thermal Insulated & Energy Efficiency Blackout Curtains for Living Room Windows, Lined Silky Performance Window Dressing

NICETOWN Crystal Pink Full Shade Curtain Panels, 37" Wide x 70" Long, Pair of Thermal Insulated & Energy Efficiency Blackout Curtains for Living Room Windows, Lined Silky Performance Window Dressing
4.9/5 CozyMeter Score · editorially ranked

A budget-conscious lined panel with a silky finish for a dressier look. It combines the thermal and blackout benefits of lined curtains with a softer, elegant appearance for living spaces.

Key Specs

  • Material: 100% polyester with black liner
  • Panel size: 37" W x 70" L (each)
  • Light control: 100% blackout from sewn liner
  • Noise reduction: Lined for added sound absorption
  • Care: Machine washable; low-temp ironing

Pros

  • More elegant silk‑like finish than the plain lined model
  • Good heat retention and light blocking at a budget price
  • Great balance of style and function for shared rooms

Cons

  • Durability and sturdiness are debated compared with thicker premium panels
  • Grommet/header construction can shorten the final hung length

Best For: Living rooms that need style + insulation

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How to Choose the Right Product

How to Choose the Right Window Treatment

Choosing between shades and curtains — and between curtain styles — comes down to three needs: energy performance (summer and winter), installation complexity, and total cost. In general, cellular (honeycomb) shades provide the best insulation per square foot because their pockets trap air. Blackout and thermal curtains, however, are excellent at reducing radiant heat gain and loss when installed and sized correctly, and they often cost less for large windows.

Key factors to weigh:
- Energy savings: For summer choose lighter exterior-facing colors or reflective backings to reflect solar heat; for winter choose heavier, tightly woven or lined fabrics and mount the curtain rod close to the ceiling and just outside the window frame to minimize drafts.
- Installation: Shades fit inside the jamb for a tight seal; curtains require a wider rod and are best when hung so they overlap the glass by several inches on each side. Grommet-top curtains like the NICETOWN models are quick to hang but can shorten effective length due to the header.

Comparison breakdown (curtains reviewed):

  • Energy (Summer): Lined panels and triple‑weave fabric reject more solar heat than single-layer drapes; white/grey reflective faces help more than dark colors outdoors, but dark-lined blackouts block direct sunlight best inside.
  • Energy (Winter): Heavier triple‑weave and lined panels trap air and reduce heat loss — premium triple‑weave (B0F5VW731X) performs best among these three on cold nights.
  • Installation & Fit: Grommet curtains install fast; for best insulation hang closer to the ceiling and add a tension rod or wrap the fabric to the sides to reduce drafts.
  • Maintenance: Polyester blends are machine washable but check care guidance — some lined curtains recommend gentle wash or dry cleaning to preserve liners.

Budget Tiers

Budget: Good for bedrooms or living rooms where value is primary — expect solid blackout and decent insulation (B0F2G34RWS, B0DCZB7J6N). Mid‑Range: (Not represented here) often adds styling, better hardware compatibility, and longer panels. Premium: Higher cost for thicker triple‑weave fabrics, larger sizes, and a more luxurious feel (B0F5VW731X).

Practical tips: measure window width and height, choose panels that are 1.5–2x window width total for full pleats, and place rods high and wide to maximize insulation and visual height. If maximum R‑value is your goal, pair a cellular shade inside the jamb with heavy curtains mounted outside the frame.

Which One Should You Choose?

If you want the best all‑around energy savings and a premium look for large windows or patio doors → choose NICETOWN Bedroom Blackout Curtains (B0F5VW731X). Its triple‑weave thermal fabric gives stronger winter insulation and competitive summer heat rejection while looking luxurious.

If budget is tight and you need absolute darkness (nursery, shift worker bedroom) → choose NICETOWN 100% Blackout Short Curtains with Black Liners (B0F2G34RWS). The sewn black liner delivers true blackout at a lower price.

If style matters and you want a softer, silk‑like finish for living spaces while keeping good insulation → choose NICETOWN Crystal Pink Full Shade Panels (B0DCZB7J6N). It strikes a balance of aesthetics and function.

Best for Specific Scenarios

  • Large patio doors or floor-to-ceiling windows: NICETOWN 55x92 Triple‑Weave (B0F5VW731X) because the larger panel sizes and heavier weave better cover big openings and reduce drafts.
  • Children’s room or shift‑worker bedroom: NICETOWN 37x63 Lined Blackout (B0F2G34RWS) because the sewn black liner creates a true dark room for daytime sleep.
  • Living room with style needs: NICETOWN 37x70 Silky Lined (B0DCZB7J6N) because it offers a dressier look while still providing blackout and thermal benefits.

Frequently Asked Questions

Do blackout curtains actually save on energy bills?

Yes. Blackout and thermal curtains reduce heat gain in summer and heat loss in winter by blocking direct sunlight and creating an insulating air layer at the window. Proper fit (covering the window and overlapping the frame) and heavier or lined fabrics improve savings.

Are these NICETOWN curtains machine washable?

Most NICETOWN polyester panels are machine washable on cool cycles, but lined curtains sometimes recommend gentle washing or dry cleaning to preserve the liner. Check the care tag for the specific model before washing.

Which saves more energy: shades or curtains?

It depends. Cellular shades typically have the best single‑product insulation value, while layered treatments (a cellular shade plus a heavy curtain) provide the highest combined R‑value. For large windows where shades are impractical, thermal curtains are an efficient, cost‑effective choice.

How We Selected These Products

Our recommendations are based on data-driven analysis: we evaluated 279586+ products across 40813+ brands using a composite scoring system that weighs rating (40%), review volume (30%), price value (20%), and demand signals (10%). Every product is ranked by data, not opinions.

Reviewed by CozyMeter Editorial Team

Our team analyzes thousands of products and real customer reviews to find the best options in every category. We use data, not opinions.

Last updated: June 03, 2026

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