David Jenkins
David Jenkins
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  • About
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General industry FAQ

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What is HVAC?

  • Heating, Ventilation, Air Conditioning.

What is HVAC&R?

  • Heating, Ventilation, Air Conditioning and Refrigeration.

What is IAQ?

  • Indoor Air Quality.

Who has a legal responsibility to regulate the HVAC&R industry?

Individuals and Companies performing Mechanical Services work in Queensland are regulated by:

  • Queensland Building & Construction Commission (QBCC).  
  • Queensland Electrical Safety Office. 
  • Queensland Petroleum and Gas Inspectorate. 
  • Workplace Health and Safety Queensland.
  • Australian Refrigerant Council (ARC).

Business Q&A

Which payment methods do you accept?

  • A direct Bank Transfer is preferred 
  • All Credit and Debit Cards (Surcharges may apply).
  • Cheques
  • Cash via prior arrangement

What are your payment terms?

  • Domestic/Residential Clients - payment upon completion. 
  • Commercial/Industrial Clients - default invoice term of 7-Days. 

Can you do it cheaper for cash?

  • No. Paying Tax is good. 

Where is your office located?

  • I work from a mobile office (aka, the van). 
  • My day normally starts from my home workshop in Brisbane.

How much do you charge?

  • We support a range of customers from our neighbours, builders and bodies-corporate -- to hospitals and industrial manufacturing facilities. Therefore our charges depend on the type of work or application.
  • Once we receive your enquiry, we will advise you on relevant pricing - obligation-free. 
  • A total upfront cost estimation is offered wherever possible.

Do you install high-wall splits and ducted air conditioners?

  • Yes, on occasion. 
  • Air Conditioning installation work is not our forte.
  • As a specialist provider, we focus on diagnostics and repairs. We offer independent auditing of other companies work product.

Will I need an electrician?

  • You will need to hire an Electrical Contractor when new electrical infrastructure is required. 
  • This is because the electrical licence class that a refrigeration mechanic is permitted to hold is a 'Restricted Electrical License'*. 
  • We are licensed to replace all existing electrical components that are embedded within Refrigeration Plant or HVAC System.

*Unless a dual-trade individual.

Can you cover all of our HVAC&R maintenance requirements?

  • Potentially. 
  • Think of me as your independent support team. Get advise and know the facts when facing repeat asset failures or other technical issues arise. Save money by making strategic choices about asset repair or replacement. 

You live in Brisbane, and you also service Toowoomba?

  • Yes, that is correct. 
  • As a freelance provider, I travel to Toowoomba on a regular basis. 

Working after-hours?

  • I don't charge extra for working outside of business hours. 
  • Availability is flexible and changes monthly. Send an enquiry stating  your preferred date and time.

Do you offer 24h callouts?

  • No. 
  • Service requests will be prioritised as below:

  1. Repeat customers with a priority attendance agreement.
  2. Consequence of asset down-time, and available redundancy.
  3. General community requests.


 Copyright © 2026 David Jenkins. 

 All Rights Reserved.



We acknowledge the traditional owners of the lands where we operate in Queensland. 

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