In the Market for a New or Replacement Air Conditioner or Heater?

Whether you're looking for something energy efficient or just want to keep your home comfortable, we've got the perfect new air conditioner or heater for you.

Free Quote On New or Replacement Systems

Click to book an appointment online or organise a call back.

Get your Free Quote Contact Us

Air Conditioners and Heaters Available

Melbourne residents know that the city can experience extreme temperatures, making it essential to have a reliable heating and cooling system in your home.

Coldflow is proud to offer a wide range of options to suit any budget and need. From split-system air conditioners to ducted gas heating, we have you covered.

We also offer a comprehensive installation service, so you can rest assured that your new system will be up and running smoothly.

With over 50 years of experience, our team has the expertise to find the perfect solution for your home.

Air Conditioning and Ducted Heating Systems Available for your Home

Evaporative Cooling Keep your family cool all summer long

Evaporative Details

Ducted Refrigerated The most advanced and high quality air conditioning option

Ducted Details

Split Systems Energy efficient single room air conditioning

Split System Details

Photo of a Multi-Head Split Systems Unit

Multi-Head Split Systems Multi room air conditioning that is quiet and efficient

Multihead Details

Addon Cooling Retrofit your existing heating system with cooling

Add On Cooling Details

Photo of a Gas Ducted and Evaporative Cooling Unit

Gas Ducted and Evaporative Cooling Cost Effective whole home air conditioning

Heater and Evap. Details

Gas Ducted Heating Heating for your whole home

Ducted Heater Details

Making a Decision

Heating and cooling your home can be accomplished in a variety of ways. There are many factors to consider when deciding which system is best for your home, including cost, efficiency, and desired features.

Some common options include Evaporative Cooling, Gas Ducted Heating, Split Systems and Ducted Refrigerated Systems.

Installation or Replacement

When installation or replacement is needed, it is important to consult with a professional to determine the best option for your home. They will be able to consider your specific needs and make recommendations based on their expertise.

Ultimately, you will want to choose a system that meets your budget and gives you the level of comfort that you desire.

Evaporative Cooling Air Conditioning

Looking for an energy efficient and cost effective way to keep your home cool this summer? Look no further than evaporative cooling air conditioners. Our range of ducted evaporative cooling air conditioners are designed to beat the heat, delivering cool, refreshing air throughout your home.

Evaporative cooling works by circulating water through a series of pads, which then evaporates and helps to cool the air as it is drawn through the system. This makes our air conditioners highly efficient, as they use less energy than traditional split system air conditioners.

More about Evaporative Cooling

Ducted Refrigerated Air Conditioning

This premium system offers whole-home cooling and heating, making it perfect for any climate. With zoning capabilities, Ducted refrigerated air conditioning can easily be customized to meet your specific needs. Whether you're looking to keep your home cool in the summer or warm in the winter.

Why settle for anything less than the best? With Coldflow, you can enjoy superior comfort all year long.

Split System Reverse Cycle Air Conditioning

Looking for a cost effective way to keep your home comfortable all year round? Look no further than the split system reverse cycle air conditioner.

These versatile units can provide cooling or heating to a single room, making it the perfect solution for climate control in your home.

Split systems are ideal for those who want to save money on their energy bills. By only heating or cooling the room you’re using, you can keep your energy costs down. And because split system air conditioners can easily be fitted to your exsiting home, you won’t have to worry about spending a fortune on installation costs.

Multi Head Split System Reverse Cycle Air Conditioning

Looking for a way to heat and cool multiple rooms in your home without breaking the bank? Multi head split system air conditioning is the perfect solution! With one unit powering multiple indoor units, you'll be able to keep your entire home comfortable without spending a fortune.

Plus, our team of experts can help you find the perfect system for your home and budget. Give us a call today and see how easy and affordable it can be to keep your entire family comfortable all year long!

Addon Cooling for Gas Ducted Heating

Looking for a way to add cooling or air conditioning to your existing gas ducted system? Look no further than Addon Cooling.

Gas Ducted Adoon Cooling provides whole-home heating and cooling, and allows you to reuse your existing ductwork for both heating and cooling.

Plus, our system is designed to seamlessly integrate with your existing gas ducted system, so you can enjoy the benefits of whole-home heating and cooling without any hassle or inconvenience.

More Addon Cooling Information

Gas Ducted Heating + Evaporative Cooling

Evaporative cooling and gas ducted heating are two separate systems, but can both be placed under the same roof to provide heating and cooling.

The benefits of having both systems is that your house will have climate control year round (heating and cooling), without compromising on the quality of air coming into the house.

About Gas Ducted Heating

If you're looking for a gas ducted heater to provide whole-home heating, then Coldflow will have the heating unit that suits.

Gas ducted heaters can heat up your entire home via ducts in your floor or roof, and it's powered by gas for ultimate efficiency.

Plus, the sleek duct designs ensure that it can blend in seamlessly with your existing décor.

More about Gas Ducted Heaters

What Our Customers Are Saying

The whole process was very smooth end to end and we are very happy with the result. Everyone we dealt with was very professional and got back to answer our queries right away. We have already recommended Coldflow to 2 of our friends who are looking to have split systems installed.

KATHY H.
BONBEACH
September 2025

Very glad and relieved I chose Coldflow. Your installer Murray arrived at 7am Monday 21st, was quickly to work with a minimum of fuss. Old Brivis unit and new Braermar unit out and in through the roof. All over by 9am. He showed us how to use the Braemar control unit before leaving. Great job.

PETER H.
MITCHAM
January 2024

Dealing with your firm has been a very pleasing experience. Fabian and Hoy were so pleasant to deal with and carried out a very tidy installation. George and Christian were also very efficient in completing the electrics. We would not hesitate to recommend Coldflow. Thank you for your service.

SANDRA J.
MONT ALBERT NORTH
August 2025

Very likely, your team arrived on time. They worked quickly and efficiently, plus they were very friendly. They left our house as they found it , clean and tidy. Just one thing they left behind a piece of equipment which I'm sure they can use. It is no use to us, so it would be a shame to throw it out. Many Thanks.

ANNELISE B.
ROWVILLE
February 2023

We'd highly recommend the team from Coldflow. Great communication, prompt and efficient installation and also great advice regarding the removal of our old gas wall heater. Not something we had considered but well worth it with the government rebate which we hadn't known about. Absolutely love our new Daikin unit too! Thanks coldflow.??

PETER M.
ASPENDALE GARDENS
August 2025

This was an incredibly easy process for us from start to finish. Daniel was wonderful at determining the best fit for our house and life and made the selection process so easy. The team on the day were quick and did a great job. We can't believe it didn't even take a full day. We are so happy with everything!

Tess F.
COBURG
January 2023

We had a great experience. We were called when there was a cancellation and had the heater installed very quickly. Nick who did the installation did a fantastic job, please pass our thanks on to him. Would highly recommend his work to anyone. Kind Regards

IAN G.
ASHWOOD
January 2024

Fantastic service both in regards to receiving the quote (the man sent out seemed to be very knowledgeable and helpful in providing advice on what would work) as well as the installers, who were timely, friendly, knowledgeable and professional in their installation of our split systems :) very very happy with the service we received!!

MARC P.
WOLLERT
January 2024

Daniel Hay, the person that measured up and provided the estimate was excellent. He was very professional and came across as very honest and trustworthy. The installer's were excellent on the day they just got on with the job and removed all the rubbish and vacuum up afterwards.

MARIAN D.
EDEN PARK
February 2023

On time, informative quote from pleasant sales person. Quick, clean install from pleasant on time installer. Installation even brought forward, quote on Wednesday, instal on Friday! So far great service just got to see how unit performs in hot weather.

Elizabeth A.
NARRE WARREN SOUTH
September 2023

The service was outstanding from when i made the first call to the completion, Arman made the whole journey seamless and effortless, Murray the licensed installer was very helpful, and his service was second to non. on time he worked effortless to meet the weather prediction and completed the job in time.

RAFIK M.
NARRE WARREN
September 2025

Jared, Lucas and Luke were all very professional, friendly and courteous. We were very impressed with the communication and all were on time for scheduled appointments. They were all just really easy to deal with, we'd definitely recommend Coldflow.

KATE H.
CHADSTONE
December 2023

Darren Storey - Professional, knowledgeable, easy to deal with. Adam scheduled the installation promptly and then it happened a week earlier - great. Installation crew lead by Jason - fast, efficient, timely - considering the wet weather throughout the morning and hopefully all has been done properly.

MICHAEL A.
DINGLEY VILLAGE
November 2023

The whole installation and mains connection went seamlessly, with only a very small 'mains disconnect' period, which was great as my son is currently WFH and had a very small unavailability time with work. Very happy with the whole process, from quote to installation.

Keith G.
HAMPTON PARK
February 2023

Ray did an excellent job. As it turned out, the error that caused the problem was cleared when the power was off after the storm, but he still made sure the system was working properly by doing a really thorough check of everything. Very helpful, professional and clearly very keen to make sure the job was done properly. Great work!

ANDREW R.
MULGRAVE
February 2024

The 2 servicemen were absolutely 1st class. Extremely knowledgeable, clean and efficient. Very importantly they were also extremely considerate of my house and how they conducted themselves! Overall a brilliant experience and I will certainly be telling everyone about the flawless service that I received. Many thanks

BRETT G.
BRIGHTON EAST
January 2024

After 4 weeks of research, quotes & cold to replace split system I am very happy with Coldflow from Daniel coming to give quote, efficient installation by pleasant men & communication on phone. Cosy now with my bigger heating system as advised. Thank you. Would recommend you from my experience.

TRISH A.
BALWYN
July 2023

The team of installers did a fantastic job. We couldn't believe how quick they were in completing the installation of our new air conditioning system. I wouldn't hesitate to recommend Coldflow to friends or family if they require an air conditioner installed.

ANDREW R.
ALTONA
February 2024

An excellent experience. The online was simple and efficient. The call out team were on time, clean uniforms, friendly and polite. Their work was excellent. Everything was made clear. I honestly couldn't fault my dealings with your firm, you should be very proud of the work you must have done to achieve this standard.

Richard S.
BRIGHTON EAST
July 2023

During the quote process, Jared was very informative about the options available, booking staff for install were extremely accomodating for an earlier installation date & install process was fast & efficient. I would highly recommend Coldflow to anyone looking at ducted heating. Thanks Team!!

KATHLEEN K.
FERNTREE GULLY
May 2025

Nick came and installed my parents heating and evaporative unit and was absolutely amazing to deal with. He was professional, polite and most of all happy to answer all our questions. Thank you Nick. Thank you to Tom the sales rep who originally came to see us too.

ANGELA M.
RINGWOOD
February 2023

Our tech Ray did an outstanding job fixing our ducted heating system. It is very obvious that his experience makes him a valuable asset to Coldflow! Thanks for explaining every step of the repair so clearly & for your relaxed & friendly manner! Will 100% rebook a service as it is required down the track! Thanks again!

SEAN M.
DINGLEY VILLAGE
November 2024

I have always had very good service from Coldflow in the past and now at present and I would thoroughly recommend them to everyone who has airconditioning. As our house is relatively new at present, we are waiting to hear from the builders if our system is still under warranty, if it isnt we will certainly get back to you again.

LINDA F.
CLYDE
January 2025

We've had the team out on a few occasions now and they have been fantastic. Always on time, great communication and clearly experts in this field. I trust their work and advice and will continue to use Coldflow in the future. I'm already referring them to family and friends.

Richard J.
IVANHOE EAST
November 2024

Jared was most helpful at all stages especially with filling out the form during the cash back submission to Mitsubishi. I was very happy with Scott the electrician who returned the installation areas back to normal condition. Thanks Jared and Scott.

LIZ P.
NOTTING HILL
July 2023

Very happy with the whole process. All were knowledgeable and professional and turned up on time. They also worked through some pretty wet cold and windy weather but just got on with the job. Everything was explained and we were consulted if there were changes needed The system is working well and we are very happy with it

DIANNE L.
KEYSBOROUGH
June 2025

Craig was great, explaining thoroughly & giving advice on appropriate systems to best suit our floor plan. Advised where best the systems should be installed. The young lads installing were absolutely marvelous! Very polite, very tidy & we can't fault their work. Thank you to all involved in making our purchase a hassle free transaction

TRACEY M.
BERWICK
November 2023

I received a call about 20 minutes before the team arrived at my house. They were extremely helpful and friendly. I was able to pay for the job on the spot, or alternatively, the office could send me an invoice. I appreciated the flexibility of the payment methods.

SUE W.
HIGHETT
June 2025

I was very happy with this companies service. I had a lot of appointments and they made a time that suited. They even showed me how to use the ducted heating system to as an air conditioning ducted system as I only have an air con in the lounge room. I was very impressed.

DANIELLE D.
BORONIA
October 2024

This is the second time we have had Coldflow at our house. Each time the quotes were competitive. The installers arrived on time and were super efficient removing an old device and installing the new unit. Thanks to the team especially Nick and the electricians

STEPHEN G.
SURREY HILLS
December 2023

The two technicians were well mannered, presented well as representative of your company and did a good job explaining what they had done in terms of the service of our gas heater. They were polite, arrived when they said they would which is important given we work form home and have work commitments. Great ambassadors for your company.

MARIANNE S.
BALWYN
April 2025

STEVEN crcic IS THE man !!!!! I have never had a better service in my life my girlfriend and I are so stoked he got the fan in the other room working. He was professional caring and overall a champion. Give the brother a few weeks paid time off and a raise and a promotion. 10/10 can't recommend enough

MARCUS K.
COLLINGWOOD
January 2024

Overall very satisfied. Quick to come out to quote, gave various alternatives and recommendations. Installers were very efficient installing four units in a few hours without leaving a mess and units are positioned nicely. Also much more competitive offer than another couple of quotes I received.

PAUL F.
SANDRINGHAM
April 2023

Rang for a service on the existing gas ducted heating system to find the system had died. A quote for a new system was provided on the day and installed the next day. The installation team were excellent, providing great advice and support during the installation. Sincere thank you to all.

TINA M.
TEMPLESTOWE
June 2025

We would have liked to be given the option whether to have the smelly chemicals sprayed in the split systems, as the smell lasted for over a week and we would have opted not to have that. Otherwise we are very happy with the overall service and communication from the technician.

LAUREN C.
RINGWOOD NORTH
August 2025

Organised for the team to come out and assess the in laws heating and cooling. There were 6 systems in total. All were checked and reports received. Services conducted on the systems worth keeping and advice given re the others, allowing informed decisions to be made. Highly recommended.

LINA S.
MOOROOLBARK
July 2024

This my third dealing with Coldflow (3 different properties). Their response times are quick and they make the process extremely easy. The sales person is professional, responsive and easy to deal with. The installers took care, were polite and very easy to deal with.

Debra K.
ASCOT VALE
April 2023

Product selection and design was perfect. I was always informed with progress. Installation was carried out by courteous tradesmen. The completed installation was tested thoroughly and I was shown how to operate the equipment. Well done to everyone who participated. Big Thanks!

JOHN R.
TEMPLESTOWE
November 2022

Jarred from Sales did an excellent job at explaining the whole process, helping me choose the correct model etc. Scott the installer was excellent, very clean, respectful, punctual and ensured the site was left in a clean state. Inside the house was also left spotless.

ROSS Y.
MOUNT ELIZA
January 2025

I just had my two units installed. Please pass on my thanks to Jared Wates, who provided the quote, and the team that installed the systems today. The installation team worked really hard, double-checked, if not triple-checked, and certainly made sure things were clean when they left. A very professional and courteous team.

STEPHEN R.
ROWVILLE
May 2025

Luckily service personnel came early in the 4 hr window which suited me. Both were very polite and carried out the servicing plus they were able to respond to a couple of questions I had about this aircon unit ( I've recently moved in to new flat) Very satisfied Thank you Julie

JULIE B.
SAINT KILDA WEST
March 2024

Jared came twice because we had a difficult set-up situation in a rear room with a box gutter. The solution worked out well. David and Daniel were professional and friendly installers who installed without fuss or mess. Sparky (Harold) was also efficient and easy to communicate with. My wife and I are very happy with the installation.

Andrew K.
HUGHESDALE
October 2023

Daniel was great to deal with, thorough, answered all our questions and communicated well the whole way through. The installation team that come out were fantastic. Double checked anything they needed to, polite, personable and respectful of our home and that my partner was working from home while they were here.

Will C.
ROMSEY
February 2025

Once again Brodie excelled and organised a technician to come straight out to tend to a minor issue. No questions asked just great customer service as always. I highly recommended Brodie and the team at ColdFlow. After using them for the first time a few years ago we would not go anywhere else. A huge 'thank you' to everyone at ColdFlow ??

TRACEY S.
GARFIELD
February 2024

Excellent service all round -from person who made appointment to the staff who attended gave great service. Notified half hour before arrival, arrived on time, service completed without fuss, used protector to safeguard flooring and minimise mess, showed photos of issue and how it was rectified, explained report and length of warranty on service.

ROSINA G.
CRAIGIEBURN
July 2024

Great friendly service. Chris called beforehand and arrived between times we were given - checked unit was running safely and as well as it could (given age) and ensured it was safe to continue using. He also gave great advice regarding updating the unit. Customer service from booking to followup was fantastic. Well done Coldflow !

CHERYL D.
BENTLEIGH EAST
July 2025

The installers were exceptionally good. Understood the fragility of my ceiling and dealt with my threatening neighbour when they climbed on the roof on my side. The technician also gave me advice on how to keep the filters healthy and what setting to use. Thanks Coldflow.

JULIE D.
HAWTHORN
January 2025

We were very happy with the whole process, from the Sales Consultant Liam, to the installers Josh, Anton, Bailey and Casper. They were all excellent workers from the moment they arrived to when they left. They were on time, polite and cleaned up all of their mess. Would highly recommend.

DEBBY F.
CHELTENHAM
February 2023

The whole process from selecting the Aircon, advised by Sales Rep Jared to the installation by Bailey and Anton was so efficient and smooth flowing. Installers were exceptionally courteous and helpful and professional. I couldn't be more pleased with the overall experience. Thank you very much!

Ranjit K.
FOREST HILL
June 2023

Coldflow were great to deal with throughout the whole process. Communication was very good. Installers were on time, efficient and friendly. They moved furniture and picture on wall, put a sheet down over the carpet and left everything clean. Explained how to use the split system

HEATHER J.
CROYDON
January 2025

More Coldflow Customer Reviews >