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    630 Waterdale Road Heidelberg West, Victoria, Australia – 3081

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    24/7 Emergency Breakdown & Repairs


By installing a humidifier on your ducted system, you can get rid of the feeling of uncomfortable dry air. This can be useful when creating a healthier environment for indoor plants, or making sure the room is comfortable for those with allergies or dry and itchy skin.

Point-of-use humidifiers can be installed to provide humidity control for a single room, whereas whole-system models will connect to the building’s HVAC system – providing humidity regulation throughout a residential, commercial, or industrial building.

We work with industry-leading brands such as Lennox, to bring you the very best in indoor air quality control.

What separates us from our competitors
GRECH has been in operation since 1974 and is a successful 100% Australian family owned and run business.
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    40+ Years of
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  • warranty
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    6 Year Certificate
    of Compliance
  • interest-free
    Interest Free
    Payment Options
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    Licenced, Insured
    & Qualified Team
Other Services

With over 40+ years of experience, we have the expertise in helping you make the right choice


If you need heating & cooling services, technical support, or have any other questions, we’re here to help.

Brands we service
& many more

We proudly supply and service
products from following brands