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Modern insulating window frames in a home

Home insulation specialist

Greenisolatie is the leading specialist in window frames

  • Save on your energy bills
  • Greater comfort in your home
  • Better for your home, better for the planet

Free advice on window frames

Explore the options for your home and the subsidies available.

Choose services:
  • 25.000+ homes insulated
  • Your subsidy handled from start to finish

  • 10 years warranty

  • We handle the subsidy

  • Expert installation

  • Rated 5 stars

Everything for well-insulated window frames, sliding patio doors and doors

Well-insulated window frames, sliding patio doors and doors reduce heat loss and draughts. This makes your home more comfortable and helps lower your energy consumption.

Greenisolatie advises you on a suitable design for your home and ensures precise measurements and airtight installation of your new windows and doors.

Request free advice
Modern insulating window frames in a home

What we offer

Window frames for your home

Explore the options and choose the right specification for your home with our adviser.

  1. 1

    Window frames

    Choose window frames that suit the character of your home and your maintenance and insulation requirements.

    • uPVC window frames

      A low-maintenance, thermally efficient option for replacing or installing window frames.

    • Timber window frames

      A natural look combined with the thermal performance of modern window frames.

  2. 2

    Sliding patio doors

    Sliding patio doors bring more daylight into your home and create a closer connection to the outdoors, with careful attention to insulation and a well-sealed fit.

    • uPVC sliding patio doors

      Fitted with high-quality insulating glazing and carefully installed to ensure an airtight seal.

  3. 3

    Doors

    Well-fitting doors help reduce draughts and unnecessary heat loss at the entrance or rear of your home.

    • uPVC doors

      A low-maintenance solution for replacing an existing door.

    • Back doors with frames

      The door and frame are installed as a single matching unit with an airtight seal.

    • Doors with an insulating finish

      A complete installation with careful attention to the fit and insulating finish around the window frame.

Free advice on the options available

Benefits of window frames through Greenisolatie

  • Lower energy costs

    Insulated window frames and airtight installation help retain more heat in your home.

  • Improved home comfort

    Fewer draughts and cold downdraughts make the temperature in your home more comfortable.

  • Sustainable and environmentally friendly

    Less heat loss means less energy is needed to keep your home comfortably warm.

  • Increased property value

    Well-insulated windows and doors contribute to an energy-efficient, well-presented home.

  • No-obligation advice

    We assess your requirements and your home, and advise on a suitable approach.

  • For both renovation and new builds

    The window frames, sliding patio doors and doors are suitable for both replacement and new installations.

Make your entire home more energy-efficient

Combine window frames with other insulation measures

By improving several parts of your home, you reduce heat loss in more places.

Window frames and subsidy

Step by step window frames

  1. 1

    Measuring up

    We discuss your requirements and take precise measurements of the window and door openings.

  2. 2

    Configure

    You choose a suitable design, configuration and finish.

  3. 3

    Installation

    Our skilled installers carefully fit and adjust everything.

What our customers say

EXCELLENT

Based on 161 reviews on Google

  • Super fijn bedrijf! Snel geholpen, netjes gewerkt en duidelijke uitleg over de subsidie. Echt een aanrader.

    Mandy

    Posted on Google

  • Prettig contact van begin tot eind. De monteurs waren vriendelijk en lieten alles schoon achter.

    Inge Slinger

    Posted on Google

  • Goede en heldere communicatie, afspraken worden nagekomen en het werk is netjes uitgevoerd.

    A.

    Posted on Google

  • Binnen één dag geïsoleerd. Het huis voelt direct warmer aan en de stookkosten zijn merkbaar lager.

    Alisia

    Posted on Google

  • Vakkundig team dat goed uitlegt wat er gebeurt. Zeer tevreden over het eindresultaat.

    Peter Stavenuiter

    Posted on Google

  • Van offerte tot uitvoering alles perfect geregeld, inclusief hulp bij het aanvragen van de subsidie.

    Danielle Thijssen

    Posted on Google

25.000+ people have already chosen us!