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HEATING WITH AIR CONDITIONING · IN AND AROUND HOOFDDORP

Heating with air conditioning: how it works, and how to check the sum yourself

Every wall-mounted unit we install cools and heats, so heating is not an extra you pay for. You can check whether it's cheaper than gas with a single division, using your own rates.

5.0201 reviews on Google Maps

A new Mitsubishi Heavy Industries outdoor unit in golden evening light on a flat roof.

Gelukkig zijn er tegenwoordig airco systemen (zonder subsidie) die naast koelen ook kunnen verwarmen. Helemaal van het gas af kan daarmee niet maar het is toch een stap in de goede richting vonden wij.

★★★★★GePe · · Google
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In onze etagewoningen kunnen helaas geen warmtepompen (met subsidie) geïnstalleerd worden. Gelukkig zijn er tegenwoordig airco systemen (zonder subsidie) die naast koelen ook kunnen verwarmen. Helemaal van het gas af kan daarmee niet maar het is toch een stap in de goede richting vonden wij. Na evaluatie van meerdere mogelijkheden naar een systeem met een goede all-in prijs voor levering en installatie gezocht. Wij kozen voor apparatuur van Mitsubischi Heavy Industries en Airco Holland uit Hoofddorp. Het hele proces, van bezoek met advies tot prijsopgave en de installatie verliepen bijzonder prettig en professioneel. De installatie van een buiten-unit en drie binnen-units werden met stug doorwerken in een dag gerealiseerd. Wij zijn zeer tevreden en bevelen zowel de apparatuur als Airco Holland ten zeerste aan. Wat mij betreft, en die geef ik zelden, een dikke 5 beoordeling.

  • ★★★★★

    We waren op zoek naar een geluidsarme airco, de binnenunit is muisstil en op de laagste stand is de koeling al optimaal.

    Erik Neijhof
  • ★★★★★

    Rein en Peter werkten netjes, waren prettig in de omgang en namen de tijd om alles duidelijk uit te leggen.

    023Helen
  • ★★★★★

    Prettig contact, duidelijke en transparante informatie en snelle inplanning voor plaatsen van 4 binnenunits en 1 buitenunit.

    Ester de Vries
  • ★★★★★

    We zijn super tevreden over de communicatie, het geleverde werk en de snelheid en sympathie waarmee Rein en Peter hebben gehandeld.

    Natalie Bavinck
  • ★★★★★

    Ook dat ging bijzonder vlot en ze hebben na afloop alles keurig netjes opgeruimd en schoongemaakt.

    Michel Hoetmer
  • ★★★★★

    Heel netjes en professioneel. Van begin (adviesgesprek) tot het eind (installatie).

    Alex W
  • ★★★★★

    Ondanks hun drukke schema zijn de mensen nog steeds erg vriendelijk en professioneel.

    Robert Chin
  • ★★★★★

    Na de installatie kon het leidingwerk door zorgvuldige planning en uitvoering netjes in het schuine dakvlak weggewerkt worden.

    Tom Maas
  • ★★★★★

    Met name de units op de bovenste etage zijn zo goed afgewerkt dat je aan de buitenkant helemaal niets ziet.

    Brian Wong

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HOW IT WORKS

An air conditioner is a heat pump too

An air conditioner is an air-to-air heat pump. In summer it takes heat out of your room and moves it outside. In winter it works the other way round: the outdoor unit draws heat from the outside air, and the indoor unit blows warm air into the room.

Every wall-mounted unit on our price list cools and heats. So you don't have to choose in advance: the same air conditioner does both.

According to the manual, the Mitsubishi Heavy Industries SRK ZS wall-mounted units heat down to an outside temperature of about minus 15 degrees. If it's colder still, the manufacturer recommends a second heat source.

That's what the unit can handle. We advise using the air conditioning as your main heating down to an outside temperature of about 0 degrees. When it gets colder outside, we advise additional heating. That does depend on how well your home is insulated and on the capacity of the installation.

An outdoor unit on a flat roof next to a tiled roof with solar panels.

HOW TO CHECK IT

One division, with your own rates

  • 9.8kWh

    In a cubic metre of gas

    For energy tax, Dutch law counts 35.17 megajoules per cubic metre of gas (Article 59 of the Wet belastingen op milieugrondslag, the Environmental Taxes Act). One kWh is 3.6 megajoules, so that comes to about 9.8 kWh. No central heating boiler gets more heat out of it than that.

  • 4.6kWh of heat

    From 1 kWh of electricity, at label A++

    How many kWh of heat an air conditioner makes from 1 kWh of electricity over a heating season is called the SCOP. For energy label A++ for heating, the European rules require at least 4.6.

  • 2.1kWh of electricity

    For the heat of a cubic metre of gas

    Divide 9.8 by 4.6. If a cubic metre of gas costs you more than 2.1 times a kWh of electricity, heat from the air conditioning is cheaper. In September 2026, a cubic metre of gas cost on average more than five times as much as a kWh of electricity (CBS, Statistics Netherlands).

WHAT IT COSTS

What does an air conditioner that also heats cost?

Heating isn't an extra: every wall-mounted unit on our price list cools and heats. We'll quickly work out what it costs you.

A hallway with a white wall unit above the door in warm lamplight, looking through to the bedroom.

Included in the price

  • The Mitsubishi Heavy Industries set
  • Supply and fitting
  • Pipework and nitrogen pressure test
  • Vacuum and commissioning
  • Explanation and installation label

We work it out for you, quicklyA targeted price indication for your rooms, including supply, installation and VAT. We email it to you as well.

  • Cools and heats
Work out your price

A targeted price indication based on comparable installations, including installation and VAT. After the visit we fix the price, guaranteed.

WHAT IT DOES AND DOESN'T DO

Honest about heating with air conditioning

A new Mitsubishi Heavy Industries outdoor unit on rubber feet on a flat roof, with a tiled roof behind it.
Rein's advice

Main heating or extra heat

We advise using the air conditioning as your main heating down to an outside temperature of about 0 degrees. When it gets colder outside, we advise additional heating. That does depend on how well your home is insulated and on the capacity of the installation. It doesn't heat water, and when it runs for a long time, the air gets drier.

Only the room it's in

An indoor unit heats the room it's in, not your whole house. If you want more rooms warm, each room gets its own indoor unit. With more indoor units on one outdoor unit, though, it heats less efficiently.

Several rooms

Briefly no heat when it freezes

When it freezes, the outdoor unit defrosts itself every now and then. According to the manual, heating stops for 5 to 15 minutes while it does, and some water may appear at the outdoor unit. That's normal.

When the advantage gets smaller

QUESTIONS

What people often ask

Question not answered here? Ask Fris, or call us on weekdays.

Call 023 785 50 29
Is heating with air conditioning cheaper than gas?

That depends on your rates for electricity and gas, on the air conditioner and on your home. Above, you can see how to check it with one division. The whole sum, including when gas comes out ahead, is in the article. Read the full answer

Can an air conditioner replace my central heating boiler?

Usually not entirely. An air conditioner only heats a room that has an indoor unit, and it doesn't make hot water for the shower. We advise using the air conditioning as your main heating down to an outside temperature of about 0 degrees. When it gets colder outside, we advise additional heating. That does depend on how well your home is insulated and on the capacity of the installation.

Does an air conditioner still work when it's freezing?

Yes, according to the manual down to about minus 15 degrees outside. In frosty weather the outdoor unit defrosts itself now and then, and the indoor unit stops blowing warm air for a moment. After that it simply carries on heating. As main heating, we advise using it down to about 0 degrees outside. When it gets colder, we advise additional heating.

Can I get a subsidy for an air conditioner that also heats?

No. The ISDE subsidy from the RVO (the Netherlands Enterprise Agency) doesn't cover an air-to-air heat pump, and that's what an air conditioner is.

Does an air conditioner that also heats need servicing more often?

If you heat with it as well, it runs in summer and in winter. Then it gets two services: one before the summer, and one after the summer, ahead of the winter. After the installation you get an offer for maintenance, through airco-onderhouden.nl.

What warranty do I get?

You get a standard 2-year warranty, on top of your statutory rights. Have Airco Holland service it every year from the moment it is installed, and the Mitsubishi Heavy Industries manufacturer's warranty runs on for up to 5 years. Airco Holland is certified by Mitsubishi Heavy Industries to offer this. The extension to 5 years applies to an air conditioner installed by Airco Holland, counted from the installation date. It starts once your maintenance plan is in place and the first service has been carried out and paid for. Skip the yearly maintenance and the extension lapses. You arrange the maintenance on airco-onderhouden.nl.

HEATING WITH AIR CONDITIONING

Would you like air conditioning that heats as well?

Fris works out what it costs you, including installation and VAT. Prefer to talk? Call Rein.

5.0201 reviews on Google Maps

A room with net curtains, a rubber plant and an antique desk, and a white wall unit above the window.