• Heating & Cooling Specialists

    Keeping You Comfortable All Year Long

  • Heating & Cooling Specialists

    Keeping You Comfortable All Year Long

  • Heating & Cooling Specialists

    Keeping You Comfortable All Year Long

  • Heating & Cooling Specialists

    Keeping You Comfortable All Year Long

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Servicing Penrith & The Blue Mountains for over 28 years
Whether you need a small repair or an overhaul on your existing air conditioning unit, Lower Mountains Air Conditioning is here to help. We will keep your air conditioner in tip-top condition, free from leaks, breaks and clogged filtration, helping to maintain optimum performance of your unit. We can also install brand-new systems and offer advice on the best model for your type of home.
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A larger area requires a larger air conditioning system and a heavier workload, but with a strategic maintenance plan, you can keep your system running more efficiently. We can arrange a regular upkeep schedule to prevent issues from coming up, and our maintenance will also lengthen the life of your system, thus saving you money in the long run. 

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Lower Mountains Air Conditioning offers you sales, service, installation and repair on heating and cooling systems. With top brands including Mitsubishi and Daikin, we install only the best split systems and ducted systems on the market. If you are building a new office or your air conditioning is outdated and inefficient, we are happy to discuss the options available to you and install your new system.
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Reliable Air Conditioning Services for the
Penrith, Springwood, Emu Plains & Katoomba Areas!

During the hot summer months and cold winter months, your air conditioning and heating systems are more than a luxury – they become a necessity. Whether you are in an office or a residential property, keeping cool or warm allows you to get more out of your day.
Our Top Brands
  • Mitsubishi 
  • Daikin 
  • Panasonic 
  • LG 
  • ActronAir 
  • Braemar
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Our Qualifications
  • Contractor Licence No: 127921C
  • ARCTICK (Air Conditioning Refrigeration CFC Purchaser) AU 16525
  • ARCTICK Handling Licence No: L008697
  • Austel Licence No: 16079
  • Level 2 Electrical Service Provider
  • Category 1, 2, and 4 Grade B Accreditation No: 2943
  • Category 1 - Disconnection/Reconnection
  • Category 2 - Underground Service Lines
  • Category 4 - Metering, Energising New
About Lower Mountains Air Conditioning
Lower Mountains Air Conditioning was established in 1988 by John Du Rieu.

In 2014, Andrew and Anthea Strathdee of Strathdee Electrical purchased the company from John Du Rieu and now work side by side as they have done since Andrew was his apprentice over 20 years ago!

Andrew and John have been working together in the industry since 1995 and 1970 they have both lived and worked in the local area.

They have enjoyed supporting the local community and continue to do so.

They are both qualified and experienced Refrigeration, Air Conditioning, and Electrical Technicians.

Andrew and John have had extensive experience in the field installing and servicing domestic, industrial and commercial air conditioning, refrigeration equipment and electrical work.

Andrew is responsible for the general running of the business including onsite sales and quotations.

In addition to this they also participate in servicing and trouble-shooting any technical difficulties in most brands.  

Andrew and John are supported by a reliable, loyal and qualified team of employed tradespeople and very friendly office staff.
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Proudly Supporting
  • Royal Flying Doctor Service (The Outback Car Trek)
  • Blaxland East Public School
  • Glenmore Heritage – Veterans Golf Annual Day
  • Blaxland Football Club
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