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At DuCo we know the spaces we spend our time in play a big role in our quality of life.

27.08.2026
New Zealand’s Cold Snap and Why Your Windows Matter All Year

Early August brought the kind of winter Waikato has not seen in years. Auckland recorded its coldest day in five years, and national electricity use climbed to an all-time high as households across the country reached for the heater and left it running. Transpower warned that power generators might struggle to meet demand on

27.07.2026
All You Need to Know About Window and Door Installation From Site Measure to Final Seal

When most people start thinking about new windows or doors, they spend a lot of time on the aesthetics, such as styles, colours, and configurations. But here's something that doesn't get talked about nearly enough -  the installation process matters just as much as the product itself. Even the best aluminium windows can underperform

21.06.2026
Can You Use a Green Home Loan to Pay for Double Glazing in NZ?

Upgrading your windows is one of the most impactful things you can do for a cold, draughty New Zealand home. But for many homeowners, the conversation tends to stop at one question - what's it going to cost, and how do I pay for it? Here's something most Kiwis don't realise - that New

04.06.2026
Our 5-Point Checklist to Help You Decide Between Retrofitting or Full Window Replacement

You know your home needs double glazing - you feel the draughts, you're watching the heating bills climb, and the condensation streaking down your windows every winter morning is getting old. What you're less sure about is how to get there. Retrofit double glazing or full window replacement? Both will improve your home's thermal

29.04.2026
Choosing Compliant Windows for a Warm, Safe New Zealand Winter

Recent headlines in the NZ Herald and Newstalk ZB have raised questions about window compliance, with industry leaders warning that New Zealand could be 'sleepwalking' into a new leaky home scandal due to substandard products. While these reports highlight significant risks, they also signal a positive move toward transparency and higher industry standards. At

15.03.2026
Choosing the Right Door Style for Your New Zealand Home

Doors act as the primary transition between your home and the outside environment. Selecting the right joinery involves more than just aesthetics, as it requires a balance of thermal efficiency, durability, and functional flow. For New Zealand homeowners, high-quality joinery is a year-round investment, ensuring seamless indoor-outdoor flow for summer entertaining while providing the

15.03.2026
What You’ll Actually Pay for Double Glazing in New Zealand

Waikato homes face their own set of climate challenges, from damp mornings to frosty winters. If you are living in a home with single glazing, you likely deal with condensation, persistent draughts, and high power bills. The most common question homeowners ask us is, “how much is double glazing?” While costs vary depending on

04.12.2025
The Essential Guide to Choosing Aluminium Joinery Colours in NZ

Selecting the colour for your aluminium joinery is a lasting investment that determines the visual impact and longevity of your property. Aluminium is the modern joinery choice in New Zealand due to its robustness and minimal maintenance.

27.11.2025
How to Maximise Energy Efficiency In Your Home This Summer

New Zealand homes have long struggled to maintain a stable, comfortable indoor temperature year-round. While the focus often falls on keeping the heat in during winter, the primary contributor to an expensive summer environment is often poorly insulated glazing and joinery that allows excessive heat to transfer into the home. The updated New Zealand