Brands we supply
Mitsubishi Heavy Industries Air Conditioning
MHI split systems and ducted reverse cycle air conditioning, sized for your home and installed by our own team.
5.0 from 292 Google reviews
The range
What is in the Mitsubishi Heavy Industries range?
Mitsubishi Heavy Industries, usually shortened to MHI, is a Japanese engineering company with its own air conditioning division. Its Australian range includes inverter wall-mounted split systems, ducted reverse cycle systems, multi-head systems and light commercial units. We supply and install MHI split and ducted systems across the Gold Coast.
MHI is a different company from Mitsubishi Electric. The two share a name and a three-diamond logo, but they design and sell separate products, so parts, controllers and warranties are not interchangeable. If you already own a "Mitsubishi" system, the label on the outdoor unit tells you which one it is. We cover the other brand on our Mitsubishi Electric page.
MHI is one of the brands in our split system range. You can ask about an MHI split for a bedroom or living area on our MHI split system page, which lists the sizes and install options we quote on.
Systems
Which Mitsubishi Heavy Industries system suits your home?
MHI suits homeowners who want a straightforward, well-supported split or ducted system. It is a common choice for bedroom and living room splits, and for single-storey ducted installs where a mid-size system covers the home. We quote MHI alongside other brands when it helps you compare value and features.
Split systems
MHI inverter wall splits for single rooms.
Read the guideDucted air conditioning
MHI ducted reverse cycle for the whole home.
Read the guideMulti-head systems
Several MHI indoor units on one outdoor unit.
Read the guideBulkhead units
Bulkhead units where ceiling space is limited.
Read the guideCeiling cassettes
Ceiling cassettes for open areas and small businesses.
Read the guideSupply
Do you supply and install Mitsubishi Heavy Industries air conditioning?
Yes. Mitsubishi Heavy Industries is one of the brands we supply and install. We quote it after a free on-site inspection, and our own technicians and electricians do the installation, with no subcontractors.
We can also quote another brand alongside it, so you can compare like for like on price, features and warranty. If you already own a Mitsubishi Heavy Industries system, we service and repair split and ducted systems too.
Warranty
What warranty comes with a Mitsubishi Heavy Industries system?
Mitsubishi Heavy Industries sets its own manufacturer’s warranty, and the terms differ by product and by whether the unit is in a home or a business. We confirm the manufacturer’s terms for the exact model in your written quote. Every system we install also carries our own warranty, listed below.
- 10-year workmanship guarantee. Covers the gas (refrigerant) charge and call-outs.
- 10-year duct and pipework warranty. On the ductwork and pipework we install.
- 5-year parts and labour on units. Indoor and outdoor units. Hisense units carry 5+2 years.
- 5-year zonetouch controller warranty. On the ZoneTouch zone controller.
Warranties apply once the job is paid in full. Full details on our warranty page.
Before you buy
What should you check before choosing Mitsubishi Heavy Industries?
Check four things before you settle on any brand: how you use each room, where the outdoor unit can go, how exposed the house is to salt air, and whether your switchboard can take the load. Our free on-site inspection covers all four, so the quote you get is the job we do.
- Room size and use. A west-facing living room needs more capacity than a shaded bedroom of the same floor area.
- Pipe run. A back-to-back install, with the outdoor unit directly behind the indoor unit, is simpler than a long pipe run, and the quote reflects that.
- Mounting. Outdoor units go on a wall bracket or a concrete slab, depending on space, access and noise.
- Which Mitsubishi. If you are replacing or extending an existing system, confirm whether it is MHI or Mitsubishi Electric first.
Planning ducted? Try our ducted system sizing guide for an indicative size and zone count before we visit, or see our ducted aircon packages.
How it works
How does an installation with Frost Solutions work?
You call or send an enquiry, we inspect the home for free and give you a written quote, then we order the equipment and book your install date. On the day, our own technicians and electricians install, test and commission the system, show you how to use it, and clean up.
Free inspection
We look at the rooms, roof space, outdoor unit position and switchboard, and ask how you use the house.
Written quote
A fixed quote for the system, zones, controller and any upgrades. No obligation.
Order and book
Once you accept, we order the equipment and lock in a date. For splits we walk through unit positions with you.
Install and handover
Installed, tested and commissioned by our own team, then we show you the controls and tidy up.
Call 1300 101 100 or request a free quote.
Good questions
Mitsubishi Heavy Industries questions
Is Mitsubishi Heavy Industries the same as Mitsubishi Electric?
No. They are separate companies with separate air conditioning ranges, parts and controllers. Check the outdoor unit label to see which you have. See our Mitsubishi Electric page for that brand.
Do you install MHI split systems?
Yes. MHI is one of the brands we supply and install, from small bedroom splits to larger living area units. Tell us the room and we will quote the right size. See the MHI split system page.
What does an MHI split system cost to install?
It depends on the unit size, the pipe run, how the outdoor unit is mounted and whether it is a new install or a replacement. We give you a fixed written quote after a free inspection. Book a free quote.
What warranty comes with an MHI system?
MHI sets its own manufacturer warranty, which varies by product. Systems we install also carry our 10-year workmanship guarantee and 5 years parts and labour on units, once paid in full. See our warranty.
Keep exploring
Related systems, services and guides
Real words from real clients
Rated 5.0 from 292 Google reviews
Every review below is from our Google Business Profile. Read them all on Google.
5.0 from 292 Google reviews checked 13 Nov 2026- ★★★★★
Absolutely fantastic experience with Frost Solutions! I recently had a ducted air-conditioning system installed and honestly, from the very first conversation through to the finished installation, the whole process was seamless. ... The installation itself was done to a really high standard, the team worked efficiently and left everything clean and tidy. ... Great people, great communication, great workmanship and a great result.
Grant Google review, about Oct 2026
- ★★★★★
Couldn't recommend Frost Solutions highly enough. We recently had them install a 16kW Daikin ducted system with 8 outlets, 6 independent zones, AirTouch 5, multiple upgrades and a 5 year service plan. ... Another big positive is that Frost Solutions have their own electrical team as part of the installation. ... the entire experience was seamless.
Jordan Google review, about Sep 2026
- ★★★★★
Frost Solutions installed ducted air conditioning in my home today and I couldn't be happier. The team were professional, friendly, punctual, and down to earth. ... left the house spotless ... I also really appreciated the follow-up call from the office later in the day to check I was completely satisfied ... They're a local business with local staff, and the value was extremely competitive for the quality of service and workmanship provided.
Bradley Google review, about Nov 2025
- ★★★★★
Thanks guys For installing my Panasonic 18 kilowatt Ducted air conditioning today. The guys turned up on time and were very polite. They worked hard all day, did a great job and left the house neat and tidy. Also they were $2000 cheaper than the others. :)
Brett Google review, about Nov 2025
- ★★★★★
A massive thanks to Frost Solutions. We got a 16kw ducted system put in with 7 zones and 9 outlets. Tyrone and the team were super friendly and very professional doing an awesome job, even helping me to keep maximum space in our roof so I could do an attic room. They also decommissioned and removed 2 of our old split systems. Could not recommend them more highly.
Michael Google review, about Nov 2025
Your comfort, our priority.
Get a free Mitsubishi Heavy Industries quote
Tell us about your home or business and we will recommend the right system. Call 1300 101 100 (Mon–Fri 7am–4pm, Sat–Sun 9am–4pm) or send an enquiry.