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  • A 100W light bulb costs 3 cents per hour.
  • A 2000W heater costs 60 cents per hour

However, a typical reverse-cycle air conditioning is about 25 cents an hour for heating and 60 cents for cooling (source Canstar Blue). The benefit of this unit is selective heating or fan, e.g. bedroom at night instead of the whole house.

De’Longhi pedigree

The De’Longhi family based in Treviso, Italy, started in 1902 as a small industrial parts manufacturing workshop.

Historically, it is a producer of portable heaters and air-conditioners. Its expansion has taken it into nearly every category of small domestic food preparation, cooking, household cleaning and ironing. It services 123 countries.

Design of most products is in Italy. It also makes Braun, Kenwood, and Ariete. Last year, five of its dehumidifiers/purifiers gained Asthma Friendly certification from the Asthma and Allergy Foundation of America and Allergy Standards Limited.

De’Longhi products are usually a safe buy.

GadgetGuy’s take. Dis De’Longhi HFX85W20C belonghi in my home.

At $549 it is not cheap. Its direct competitor is the Dyson Pure Hot and Cool Link (GadgetGuy review here).

OK, you ask which to buy?

The 2019 Dyson is $899 (it may be cheaper during promotions), has a smart-phone app, has more expensive filter consumables, and is perhaps a little cuter in design. It is very good but you are paying more for a premium product that covers a smaller area.

De’Longhi is $549, larger and will heat a bigger space. They are so close and perform the same three tasks that I won’t call it.

OK, I will. We purchased the Dyson in February (2018) for a one-bedroom city apartment. Used correctly it saves us the cost of air-conditioning the whole 65m2 apartment.

And we purchased the De’Longhi HFX85W20C air purifier heater and fan for our more expansive three-bedroom, open plan living, Central Coast home. It has more power. Both use the Coanda effect – no blades or louvres.

De’Longhi HFX85W20C air purifier heater and fan (Australian review - update 11 August 2019)
Name: De'Longhi Air purifier heater and fan HFX85W20C Price (RRP): $549 but shop around Manufacturer: De'Longhi
Excellent for larger areas - creates a micro-climate zone up to 60m3ECO mode for perfect bedroom temperature at the lowest noise and costPurifier visibly reduces dust after a few weeksSafer around children and pets – no exposed moving partsQuieter than a blade or column fan that simply uses fan speed/velocity to push air
Needs a longer power cord
Value for money
Ease of Use
4.1Overall Score
Reader Rating 4 Votes