Mueller Services vs Morphett

Mueller Services

Morphett Air Conditioning


Customer Service

Compare Air Conditioning Rating


Mueller Services
  • Excellent customer service
  • Great prices
  • Volume discounts available
Morphett Air Conditioning
  • Excellent pricing
  • Great customer service
  • Services rural areas


Mueller Services
  • No weekend availability
  • No boiler heating installations
  • Strong (but not outstanding) online reviews
Morphett Air Conditioning
  • Doesn't generally install apartments
  • Average response times
  • No weekend availability


According to data gathered in our comprehensive reviews, Mueller Services are the leading Adelaide based air conditioning installation company. Morphett Air is the second top air conditioning installation company for the area. These positions are based on professional performance, prices, expertise and customer service.

Both companies received a Compare Airconditioning Rating of 4.5 out of 5 but differ on pricing, email response time and the type of systems they can install. Mueller Services offer a wide range of installation types whereas Morphett Air are limited to options including split systems and ducted heating and cooling. However, Mueller Services come out on top with regard to price and will provide maintenance and service to air conditioners wether they are under warranty or not.

Either company is a good choice for installation, with Morphett Air offering lower prices but limited options and Mueller Services offering still reasonable but slightly higher prices and many types of unit installations.


Mueller Services

Morphett Air Conditioning

Free on-site quote

Volume discounts

Deals and promotions

Price Matching

Financing availability

Morphett Air is ranked equal first for price air among the top 5 Adelaide conditioning installation companies. Mueller Services, whilst not the cheapest option for the region, still offer a competitive price range within accepted industry cost brackets. Their prices are generally low when compared to competing air conditioning installation companies in Adelaide.

Morphett Air tend to offer low and competitive pricing from the very beginning, rather than counting heavily on discounts to add value. This means Morphett Air also do not offer volume discounts, although, when multiple units are purchased at the same time, the delivery of the units would be reduced.

The Mueller Services website advertises a range of service and installation specials, on a broad variety of reputable brands sales, with staff also informing customers of cash back promotions and deals on certain brands. While Morphett Air do not offer these outright, they can assist customers in accessing promotions related to their preferred brands.

Morphett Air and Mueller Services are willing to consider matching a lower competitor’s quote that is truly like for like, which makes them attractive to customers.

Both companies fare well in pricing criteria and while Morphett Air do not offer the same kinds of discounts than Mueller Services they come out on top overall for cost-efficiency. Both companies are willing to do what they can in assisting their customers to access brand promotions and the best solution for their property and budget.

Customer Service

Mueller Services

Morphett Air Conditioning

Clear quote

Weekend availability

Customer service rating by phone


Customer service rating by email


Response time to acknowledge request

6 - 24 hours
2 - 4 days

Response time to provide quote

6 - 24 hours
2 - 4 days

Online ratings / reviews


Mueller Services has consistently high customer service ratings across a range of review platforms. They received our highest ranking for Adelaide installation companies, a 9/10 for their customer service. Morphett Air also has a strong score of 8/10 for their over-the-phone service, with staff treating our review team warmly and politely. Both sales teams were comfortable when responding to any questions, making interactions with them pleasant and reassuring.


Mueller Services rated highly because of their particularly impressive professionalism, while Morphett Air, a family run company, added personal touches when dealing with our review team.


Mueller Services helpfully operate a 24/7 service, repairing breakdowns and carrying out scheduled maintenance programs to ensure systems operate as per the customer’s requirements. This is a great selling point, especially if customers need assistance during extreme weather conditions.


Both companies were knowledgeable and helpful, working with their customers to achieve a solution to suit their needs and budget. Morphett Air, however, does not offer financing options and require full payment after the job’s completion. Mueller Services offer up to 24-month interest free financing, through Once.

Mueller Services install air conditioning systems in apartments, while generally Morphett Air do not. Morphett Air they are open to doing so if the job is particularly straight forward, with a balcony upon which to place the external unit.

While Morphett Air rate highly for their over-the-phone customer interaction, they received a lower score of 7/10 for their email-based customer service, with a response time of 2 – 4 days, one of the slower times in the Adelaide area but still fairly reasonable.

Both companies offer service to rural areas but neither is available on weekends, which is pretty standard among the top 5 installation companies in the Adelaide region.

In terms of warranty, Mueller Services offer 10 years, which is high for the region whose average, and Morphett Air’s warranty span, is 5 years.

While Morphett Airplaces second for Adelaide on overall customer service, they only offer split systems and ducted heating/cooling systems. In this respect Mueller Services edges slightly ahead as they have the capacity to install and repair evaporative systems.


Mueller Services

Morphett Air Conditioning


Commercial and residential

ARC Tick

Year established


Installation warranty


Founded in 1999, Mueller Services has been around for 18 years and are experienced with an extensive range of brands. Their technicians possess excellent diagnostic skills and are able to discuss the benefits of each product so that customers become equipped with enough knowledge to make their decision.

Morphett Air was established in 1971 and although they install a slightly smaller range of options than Mueller Services their staff is very knowledgeable about what they do. Both cover residential and commercial sectors in their work and will send an experienced technician to compile a free onsite quote.

Mueller Services and Morphett Air are backed by an ARC Tick, meaning that they are qualified to work with refrigerants. However, neither company will install Hydronic Boilers, and only Mueller Services will install and maintain evaporative systems.

Being the top two rated installation companies in the Adelaide area and receiving an overall Compare Air Conditioning rating of 4.5, both Mueller Services and Morphett Air are solid choices depending on what kind of system suits your needs, if you live in an apartment or require financing or a longer warranty.

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