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Insulation Savings Calculator

Calculate how much you can save by insulating your home and how quickly the investment pays back.

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๐Ÿ‡ฉ๐Ÿ‡ฐ All calculations are based on Danish rules, rates, and currency (DKK). This calculator is translated for convenience but applies exclusively to Denmark.

Insulation Savings Calculator

Proper insulation is one of the most cost-effective ways to reduce heating costs in Denmark's cold climate. Whether you are insulating your attic, walls, or floor, this calculator helps you determine how much you can save annually and when your investment will break even. Try our insulation calculator and get a quick overview of your savings.

Types of Insulation

The most common insulation upgrades in Danish homes include attic insulation (often the cheapest and most effective), cavity wall insulation, and floor insulation. Attic insulation alone can reduce heat loss by 20โ€“30%, while a full insulation upgrade of an older home can cut heating bills by 30โ€“50%. The cost varies from 15,000 kr for basic attic insulation to over 100,000 kr for comprehensive wall and floor upgrades.

Energy Label Improvement

Improving your home's insulation can also boost its energy label (energimรฆrke), which increases property value and is required to be disclosed when selling in Denmark. A better energy label signals lower running costs to potential buyers, making insulation a smart long-term investment.

Frequently Asked Questions

What does it cost to insulate a 150 mยฒ attic?

150 mm: 17,400 kr. 200 mm: 21,600 kr. 250 mm: 27,000 kr.

What is the most effective insulation?

PIR insulates excellently with a lambda value of 0.022 W/mK, providing the best insulation on the market today. Only Resol insulation scores higher for insulating ability, but it performs worse regarding pressure and moisture resistance and installation.

Is a high or low U-value better?

The lower the U-value, the better the insulation, because the U-value actually measures how much energy you lose.

Which insulates better, Rockwool or glass wool?

While glass wool can be a budget-friendly option with good insulation properties, Rockwool offers a more comprehensive solution with significant advantages in fire safety and sound insulation. This makes Rockwool the often preferred choice for attic insulation.

Which houses cannot have cavity wall insulation?

Houses built before approximately 1920 typically have solid walls without cavities and therefore cannot have cavity wall insulation. Houses built between 1920 and 1970 usually have cavity walls, but the insulation is often inadequate or completely absent.

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