Energy windows

Energy Windows

Energy windows are a wise choice for any home due to tightening building regulations and rising electricity prices. Lammin energy windows meet the energy requirements of the future today.

Energy windows are suitable for all rooms that are kept warm

Energy windows are suitable for homes and other warm buildings that are used all year round. Energy Window is a registered trademark managed by Motiva. Lammin energy windows are available in both fixed and opening models. The fixed window is above all suitable as a large landscape window, the smaller windows are better as opening model. Lammin energy windows are popular in all types of buildings – in detached houses, condominiums and cottages, regardless of whether it was a new building or renovation house.

To save on heating costs, choose energy windows
Made in Finland_Avainlippu

To save on heating costs, choose energy windows

Energy windows are the right window choice for anyone looking for a lower heating bill and lower emission load. Lammin energy windows not only meet today’s thermal insulation regulations, but also tomorrow’s requirements. The price of energy is likely to continue to rise in the future, and therefore energy windows are also an excellent option in terms of the resale value of a home.¬†Energy windows can be individualized like all other windows with e.g. different colors and window accessories.

Compare energy windows and their properties:

Watti energy windows

Watti energy windows
Made in Finland_Avainlippu

The Watti series windows are maintenance-free and are very resistant to Nordic weather conditions. Watti energy windows are industry-leading products in terms of energy efficiency and sound insulation. As with standard wood and wood-aluminum windows, a variety of accessories can be selected for Watti windows.

  • For all kinds of buildings
  • More energy efficient
  • Versatile individualization options

Eko Watti energy windows

Eko Watti energy windows
Made in Finland_Avainlippu

Eko Watti windows are the world’s first A++ energy class windows. Eko Watti energy windows are award-winning four-glass windows with unparalleled energy efficiency. These energy windows are popular in summer cottages, among other places.

  • For all kinds of buildings
  • Highly energy efficient
  • Widely individualized

Technical information

U-VALUE

0.70-0.76 W / m2K, depending on the glazing

AIR SOUND INSULATION NUMBER (Rw)

43-47 dB, depending on frame depth and glazing

FLIGHT NOISE INSULATION (Rw + C)

41-46 dB, depending on frame depth and glazing

TRAFFIC NOISE INSULATION (Rw + Ctr)

38-43 dB, depending on frame depth and glazing

AIRTIGHTNESS

According to EN 12207, classification 4

RAIN RESISTANCE

According to EN 12208, classification E
1050

WIND PRESSURE RESISTANCE

According to EN 12210, classification C3

INTERIOR FRAME GLAZING

Double selective insulating glass with Argon gas

OUTSIDE FRAME GLAZING

Double selective insulating glass with Argon gas

INTERIOR FRAME MATERIAL

Branchless finger-extended pine

FRAME MATERIAL

2-sided branchless finger-extended pine

EXTERIOR FRAME AND FRAME COVERING

Aluminium

SEALING

Triple seal

Technical information

U-VALUE

0.60-0.65 W / m2K, depending on the glazing

AIR SOUND INSULATION NUMBER (Rw)

43-47 dB, depending on frame depth and glazing

FLIGHT NOISE INSULATION (Rw + C)

42-46 dB, depending on frame depth and glazing

TRAFFIC NOISE INSULATION (Rw + Ctr)

40-43 dB, depending on frame depth and glazing

AIRTIGHTNESS

According to EN 12207, classification 4

RAIN RESISTANCE

According to standard EN 12208, classification E
900

WIND PRESSURE RESISTANCE

According to EN 12210, classification C3

INTERIOR FRAME GLAZING

Double selective insulating glass with Argon gas

OUTSIDE FRAME GLAZING

Double selective insulating glass with Argon gas

INTERIOR FRAME MATERIAL

Branchless finger-extended pine

FRAME MATERIAL

2-sided branchless finger-extended pine

EXTERIOR FRAME AND FRAME COVERING

Wood and aluminium

SEALING

Triple seal