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About Sustainability Trust

Are you wanting more energy efficient lighting in your home?

At Sustainability Trust we supply and install energy efficient LEDS that are safe to insulate over and last up to 25 years. LED downlights are an environmentally friendly lighting solution as they are long lasting and need around 90% less energy than traditional downlights.

We pride ourselves on being Wellington region's energy efficiency experts and provide advice and products which result in energy efficient homes. Since 2003 we've helped thousands of homes become warm, dry and energy efficient.

The benefits of LED downlights are:

  • Reduced power bills
  • LEDs are long lasting - around 25 years
  • They are cool to run so safe to insulate over
  • They are equal to a traditional bulb in colour and light output

Having insulation coverable LED downlights in your home means you can create a complete layer of ceiling insulation, which is essential for a healthy home that is energy efficient. You can reduce energy bills and save costs on lightbulbs. Whether you are a homeowner or a landlord, we have products and services to improve your property, for less.

Our team of Home Energy Assessors and Home Performance Advisors are experts at helping people to create healthy homes, starting with impartial and personalised at-home advice.

We work in partnership with government, council and community partners to offer free advice, special help for low-income households and education services for our local community. Profits are invested in our award-winning community programmes, so when you choose to get insulation installed with Sustainability Trust you help others as well as yourself.

From in-home advice, to workshops and events, we also provide practical solutions with a large range of products that make sustainable living easy.

Simply visit our website for more information or call us today to book a lighting assessment:
0508 78 78 24

What makes us different?

  • Established in 2003 - 14 years of local expertise helping create warm, dry and healthy homes
  • One-stop-shop for home energy advice and solutions across insulation, heating, ventilation, LED downlights and more
  • In-house team of professional insulation installers, electricans, Home Energy Advisors and Home Performance Advisors
    Authorised retailer and installer of best LED downlight products and brands inc. Ambius, LumNZ, plus GreenStuf and Pink Batts insulation. All products have long-life manufacturer guarantees
  • Certified in-house electrician and insulation installers
  • Free Statement of Insulation for rental property installs
  • All insulation installations have a 3 year workmanship guarantee to NZS:2426 (2016) standards
  • Profits are invested in award-winning community programmes that empower everyone to live more sustainably

Business photos

  • LED downlights
  • Insulation
  • Heat loss without insulation
  • Sustainability Trust

Servicing: Upper Hutt, Porirua, Kapiti, Wellington City, Lower Hutt


  • Site Safe NZ

  • Energy Efficiency and Conservation Authority

Opening hours

  • 08:30 - 17:00
  • 08:30 - 17:00
  • 08:30 - 17:00
  • 08:30 - 17:00
  • 08:30 - 17:00
  • 09:00 - 16:30

Products and services

  • Locally Owned & Operated
  • Downlights
Markets Served
  • Residential
  • Bathrooms
  • Bedrooms
  • Ceilings
  • Dining Rooms
  • En Suite Bathrooms
  • Home Offices
  • Houses
  • Interiors
  • Kitchens
  • Living Rooms
Price Information
  • Free On-site Consultation
  • Light Bulbs
Service Options
  • Free Quotes
  • Quotes
  • Inspections
  • Installation

Parking options

Free Off-Street

Payment options

  • Credit Terms Available
  • Bank Cheque
  • Direct Credit (internet banking, phone banking)
  • Cash

In business since



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Sustainability Trust

In business since


Servicing: Upper Hutt, Porirua, Kapiti, Wellington City, Lower Hutt

Contact numbers

0508 787 824
Free call
0508 787 824

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