Air Conditioning Supply

Looking for a Reliable Aircon Supplier Who Will Guarantee the Best Price?

We get it, you want the best deal possible! But, value in air conditioning means correct sizing and high efficiency, not just a low price tag. 

Buying the wrong unit is the fastest way to waste money in the long run.💸💸

At Dunn & Williams Air Conditioning, we’re your air conditioning suppliers for the whole South Coast region.

We are your one-stop shop for all major brands. We give you expert advice to make sure you get the right unit for your space.

We handle the whole job, from sizing and ordering to installation, making sure the unit you buy is the perfect fit for your home.

☎️ Call Dunn & Williams Air Conditioning on: 1800 867 185 ☎️

Why Buying the Wrong Unit Wastes Money

Buying the wrong air conditioning unit is the fastest way to turn your money into high energy bills and poor comfort. 

When you choose a unit that isn't matched to your space, you pay for that mistake for years through constant running costs and you’ll be replacing it early!

This Critical Mistake: Wrong Sizing

Size matters more than anything.If your air conditioner is sized incorrectly, you'll feel the effects immediately:

📏 Too Small: The system will run constantly, never hitting the target temperature on hot days. It will burn electricity for zero result.

📏 Too Big: The system cools the room too fast. This means you get a sticky feeling and waste power because the unit doesn't run long enough to pull out all the moisture.

Confusion Over All the Brands & Types of AC System

Going for the cheapest upfront price is often the biggest mistake a homeowner makes.

💪 Efficiency: A cheap unit costs you hundreds more in power bills every single year. We only supply the best brands with high energy star ratings to guarantee low running costs.

💪 Durability: Our climate needs tough units. Buying a cheap brand means you'll be fixing or replacing it years sooner than a system built to last.

Types of Air Conditioning Systems We Supply

The key to a successful aircon system is making sure you get the right type of system from the start.

Our team walks you through the pros and cons of the three main options available:

Split System Air Conditioning

Split systems are your best bet for fast, efficient heating or cooling in specific spots.

🎯 Best For: Single living areas, bedrooms, or small units where you need fast control.

✨ Why Buy It: They're simple to run, super efficient, and the reverse-cycle tech gives you strong heating in winter without chewing up power.

Ducted Air Conditioning

Ducted air conditioning is the top option for comfortable temperatures everywhere in the house.

🎯 Best For: Large homes or new builds where you need the same temperature in every room.

✨ Why Buy It: The big advantage is zoning. You can easily shut off the air conditioning supplies to empty rooms, which means you only pay to heat or cool the parts of your house you are actually using.

Casette Air Conditioning

Cassette air conditioners are usually the system of choice for large, open commercial spots.

🎯 Best For: Shops, medical centres, or open plan business spaces where wall space is short.

✨ Why Buy It: The unit is hidden away, flush in the ceiling, but still gives you strong, even cooling everywhere. It’s the best option if you need high performance without messing up your decor.

Our Expert Advice to Guide You to the Perfect Air Con System

It's confusing trying to buy a new air conditioning unit. We give you honest, expert advice on all the air conditioning options, so you don't have to worry. 

We make sure you understand the difference between the systems and why certain air conditioners work best for your home.

Getting the Exact Sizing Calculations

The secret to reliable cooling is always the size of the unit. We never guess the size; guesswork leads to constantly tripping power and huge energy bills.

📐 Our HVAC experts inspect your place and calculate the exact power needed. We work this out using the room size, insulation, and how much sun the room gets.

📐 Our expertise makes sure your air conditioner is the perfect match for your space. This means it runs efficiently, so you don't waste money or get a sticky house.

Choosing the Best System for Our Varied Climate

Round here, our climate means you need a system built to heat and cool efficiently all year.

❄️♨️ We recommend reverse cycle systems because they can handle both the cold winter snaps and the hot summer days efficiently.

❄️♨️ We'll explain why a split system is your best bet for a single room, or why ducted air conditioning is the most cost effective choice for whole-house comfort and low running costs.

All the Top Brands We Supply & Install

We only supply air conditioning brands that we trust.

• Daikin Air Conditioning
• Fujitsu Air Conditioning
• Panasonic Air Conditioners
• Kelvinator Air Conditioner
• Fujitsu Air Conditioners
• Mitsubishi Air Conditioners
• Mitsubishi Heavy Industries Air Conditioners
• Mitsubishi Electric Air Conditioner
• LG Air Conditioner
• Carrier Air Conditioning
• Gree Air Conditioning
• Haier Air Conditioning
• Hitachi Air Conditioning
• Samsung Air Conditioners
• MDV Air Conditioning

We also keep a full range of spare parts and components in stock for fast repairs across the region.

Need the Right Air Conditioning System? Call Your Local HVAC Supply & Install Experts

Stop worrying about buying the wrong unit and wasting money on high energy bills. As your trusted air conditioning suppliers, we take away the hassle of choice by guaranteeing the unit we supply is perfectly sized for your home. We cover the entire Shoalhaven, Canberra, Shellharbour and Illawarra regions, plus surround areas.

Ready to get the maximum efficiency for the best price? Contact our friendly team on 1800 867 185 or complete our enquiry form today for an accurate sizing inspection and a complete supply and installation quote!