Everything about AC, heat pumpsand sustainable heating
Practical guides, comparisons and answers — written by installers who work in the field every day.
Inverter AC: what is it and why does it matter?
An inverter AC is more efficient, quieter and longer-lasting than a traditional on/off AC. Explanation of the technology, benefits and how to tell if you have one.
Calculating AC capacity: which kW do you need?
Too small and it cools insufficiently, too large and you waste energy. Calculate the right kW capacity for your room here.
Can I install my AC myself? The rules explained
Working with refrigerant (F-gas) is legally restricted to certified installers. Why DIY installation is not allowed — and the risks.
How does a heat pump work? Explained in plain English
A heat pump seems magical: extracting heat from cold air. Find out how it works, why it is so efficient, and what SCOP means.
Energy saving loan 2026: borrow for your heat pump at low interest
Besides ISDE subsidy you can borrow via the Warmtefonds. Up to €27,000 at the lowest interest rate in the Netherlands. Conditions and how to apply.
How much electricity does an AC cost per hour, day and year?
A 2.5 kW AC uses about €0.17 per hour of cooling. Calculate what your AC costs in electricity — for summer cooling and winter heating.
Heating with AC vs. gas: save up to €950 per year
A modern AC works as an air-to-air heat pump and is up to 5× more efficient than gas. See how much you save, how it works and when it pays off.
ISDE subsidy heat pump 2026: up to €3,025 back
Complete explanation of the ISDE subsidy for 2026. Amounts, which heat pumps qualify, and how to apply easily.
Hybrid or all-electric heat pump: which fits your home?
Hybrid keeps your boiler, all-electric fully replaces it. Comparison of cost, comfort, payback period and suitability per home type.
What does AC installation cost in 2026?
Complete cost overview of AC installation including assembly, annual use, maintenance and any extra work.
Single-split or multi-split AC: how to make the right choice?
Single-split cools one room, multi-split up to five. Discover price differences, pros and cons, and when each variant makes sense.
AC in an apartment: HOA approval, noise and placement
An AC in an HOA apartment? What to watch out for: HOA application, noise standards, outdoor unit placement and example arguments.
Question about your specific home?
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