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Pakenham, VIC, servicing within 75 kmOpen Mon–Fri · 8:00 am – 4:00 pmABN 35 607 575 280 · Plumbing Lic. 46828
Aircon Installation · Pakenham & within 75 km

Ducted reverse-cycle air conditioning

Ducted reverse-cycle puts one system in the roof and vents into every room, zoned so you're not paying to condition four empty bedrooms at 7pm. It's the most comfortable way to heat and cool a whole house, and the only one that disappears into the ceiling instead of hanging on a wall.

  • 10 – 18 kWCapacity
  • 4 – 12Zones
  • 2 – 3 daysTime on site
  • Roof space + accessNeeds
What you get

What’s in the price.

Whole-home heating and cooling from a single system in the roof. Vents in every room, zoned so you are not paying to condition the bedrooms at 7pm. New builds and retrofits both.

The duct design first. Most ducted complaints are a duct problem, not a unit problem — the back bedroom gets nothing because the branch feeding it was never sized. We design the run before we quote the box.

Choose your system

The aircon installation options, side by side.

You're reading about ducted reverse-cycle air conditioning. Here it is next to everything else we fit, in case it isn't the one.

A reverse-cycle wall split heating and cooling a living room
from $2,199 installed

Reverse cycle air conditioning

Mitsubishi Electric · Kaden

One machine that both heats and cools — a heat pump on the wall or in the roof. It's the cheapest way to heat a Melbourne home, it's now VEU-rebate eligible, and it comes in three shapes: a split for a room, multi-head for a few, ducted for the whole house.

  • One machine, both seasonsHeats in winter, cools in summer
  • About a third of gas to runA heat pump moves heat, it doesn't burn anything
  • The VEU rebate appliesTaken off at the quote, not chased after
  • A room, or the whole homeSplit · multi-head · ducted, sized to the house
See the full detail
Kaden wall split system installed high on a bedroom wall
from $2,199 installed

Split system air conditioning

Mitsubishi Electric · Kaden

One outdoor unit, one indoor head. The right answer for a bedroom, a living room or a granny flat: the simplest system there is, the least to run, and the quickest to get in. Most go in back-to-back in a single morning.

  • Sized to the room2.5, 5.0 or 7.1 kW — not whatever's on the truck
  • Two brands, both goodMitsubishi Electric MSZ-AP or Kaden KSI
  • One morningBack-to-back install in three to four hours
  • Fresh copperNew line-set every time, never the old pipe
See the full detail
Kaden multi-head outdoor condenser on a levelled roof stand
from $6,500 installed

Multi-head air conditioning

Mitsubishi Electric · Kaden

One outdoor unit running two to five indoor heads. Worth it when you want three bedrooms done but only have room, or body-corporate permission, for a single condenser outside.

  • One outdoor unitTwo to five heads off a single box
  • Mix the head typesWall, floor console or bulkhead on the one system
  • One set of penetrationsNot four holes in four walls
  • Each room, its own controlOwn remote, own set temperature
See the full detail
Insulated flex ductwork run through a roof space
from $12,500 installed

Ducted reverse-cycle air conditioning

Mitsubishi Electric · Kaden · Zonemate

Whole-home heating and cooling from a single system in the roof. Vents in every room, zoned so you are not paying to condition the bedrooms at 7pm. New builds and retrofits both.

  • The duct design firstWe size the trunk and the branches, not just the unit
  • Mitsubishi indoor and outPEAD-M / PEA-M with a PUZ outdoor
  • Zoning as standardZonemate 4, 6 or 8 zone, fitted by default
  • New duct throughoutInsulated flex, sized per branch
You’re reading this one
Evaporative cooler mounted on a tiled roof
from $3,900 installed

Evaporative cooling

Brivis · Kaden

Roof-mounted, runs on water and a fan rather than refrigerant. Cheap to run and moves a lot of air, which suits the drier inland suburbs. Needs windows cracked to work, and it struggles on humid days.

  • Cheap to runA fraction of refrigerated cooling
  • Right for dry heatBest in the drier north and east
  • Cooling onlyPair it with gas ducted for winter
  • Brivis and KadenRoof-mounted units we fit most
See the full detail
How it looks

You see the vents. That's it.

The whole point of ducted is that there is nothing on the wall. The indoor unit lives in the roof, the ducts run through the cavity, and what you see in each room is a vent in the ceiling and a controller by the hallway. Outside there is one condenser, usually on a slab down the side.

  • Ceiling ventsOne per room, nothing on the walls
  • In the roofIndoor unit on a platform, out of the way
  • 4 – 8 zonesFitted as standard, not as an upsell
  • One controllerUsually by the hallway or the kitchen
Ducted indoor unit on a platform in a roof space
Narrow it down

Which one is right for my home?

How many rooms, what's above the ceiling, and what's there now. Runs in your browser — nothing recorded, nothing sent.

How many rooms do you want done?
Is there roof space above the ceiling?
What's there now?

Answer the three and the answer appears here.

Mitsubishi PEAD-M ducted indoor unit
Keeping it working

Whether we can reach it was decided on install day.

A ducted indoor unit sits in a roof cavity for fifteen years, and the single thing that decides whether servicing it is an hour or a quote is whether somebody left a path to it. We put ours on a platform with clear access. Not everyone does, and we have crawled far enough to have opinions about it.

  • $390 a yearfilter, coils, gas pressures, zone motors, controller
  • On a platformwith a clear path, so a service is an hour
  • Return-airthe most-skipped filter, and the usual reason it's weak
How the job runs

What happens on a ducted reverse-cycle air conditioning install.

  1. 1

    Roof space check, before anything else

    How much clearance there is, where the indoor unit can sit, whether we can get duct runs to the far bedrooms. On some houses this conversation ends with us recommending multi-head instead, and that's a better outcome than finding out on install day.

  2. 2

    Heat load and zone plan

    Room by room, with orientation, glazing and ceiling height in it. You get a zone layout drawn up and the reasoning behind the grouping before you commit to anything.

  3. 3

    Fixed price with the zoning in it

    Zones are quoted as part of the system, not as an upsell after you've signed. If the budget only stretches to four zones today we'll design the system so more can be added later.

  4. 4

    Day one, indoor unit and trunk duct

    Indoor unit set and hung in the roof, main trunk duct run, outdoor condenser positioned and set. The heavy part of the job.

  5. 5

    Day two, branches, outlets and zone motors

    Branch runs to each outlet, ceiling grilles cut in and fitted square, zone motors installed and wired back to the controller.

  6. 6

    Commission, balance and set the zones up

    Airflow balanced across the outlets so the far bedroom gets what it's supposed to. Controller programmed, each zone tested, and we walk you through the schedule so it's running your way before we leave.

Additional zones, longer duct runs and difficult roof access are the three variables. A double-storey with a second system upstairs is a different quote again, and we'll price both options if that's the honest answer.

Free quote

Quote for ducted reverse-cycle air conditioning.

60 seconds, no obligation, replied within 12 business hours. Rebates applied and GST included, so the number you get is the number you pay.

  • Same person quotes as installs
  • Fixed price, confirmed in writing
  • Emergency? Call (03) 5947 8000 instead
Step 1 of 4 · 25% complete
What do you need installed?

Takes under 60 seconds. No obligation.

Common questions

Quick honest answers.

Anything else, call (03) 5947 8000.

Can ducted go into an existing house?

Usually, if there's roof access and enough clearance for the indoor unit and the trunk duct. We check that on the site visit before quoting. It's the one thing that genuinely rules the job out.

How many zones do I need?

Four covers most homes: bedrooms, living, kitchen/meals and a spare. We fit Zonemate as standard so adding a zone later doesn't mean pulling the ceiling apart.

Is ducted more expensive to run than splits?

Zoned properly, no. Unzoned it can be, because you're conditioning the whole house to serve one room, which is exactly why we don't install it unzoned.

What locals say

Reviews from households across the south-east.

4.9 / 5 on Google
★★★★★

Quoted Mon, installed Fri

Took the old gas Rinnai out, dropped in a Reclaim heat pump, sorted the VEU rebate so it came straight off the price. Bloke on the phone is the bloke on the tools, refreshing.

JM
Jess M.Pakenham · heat pump install
★★★★★

Rebate handled, didn't lift a finger

The VEU paperwork looked scary online. They filled it all in, I signed once at the quote and once on the day. Rebate was already in the price. Painless.

LM
Lauren M.Pakenham · heat pump swap
★★★★★

No surprises on the invoice

Quote number matched the invoice exactly. No 'we hit unexpected wiring' story at the end. Nice change.

PS
Priya S.Cranbourne · split install
★★★★★

Split install in half a day

Bedroom Mitsubishi went in before lunch. Neat pipework, brackets straight, temp checked before they left. Would use again for the lounge.

AP
Alex P.Cranbourne East · split
★★★★★

Quoted Mon, installed Fri

Took the old gas Rinnai out, dropped in a Reclaim heat pump, sorted the VEU rebate so it came straight off the price. Bloke on the phone is the bloke on the tools, refreshing.

JM
Jess M.Pakenham · heat pump install
★★★★★

Rebate handled, didn't lift a finger

The VEU paperwork looked scary online. They filled it all in, I signed once at the quote and once on the day. Rebate was already in the price. Painless.

LM
Lauren M.Pakenham · heat pump swap
★★★★★

No surprises on the invoice

Quote number matched the invoice exactly. No 'we hit unexpected wiring' story at the end. Nice change.

PS
Priya S.Cranbourne · split install
★★★★★

Split install in half a day

Bedroom Mitsubishi went in before lunch. Neat pipework, brackets straight, temp checked before they left. Would use again for the lounge.

AP
Alex P.Cranbourne East · split
★★★★★

Family business, feels it

Answered the phone myself, quoted the job, showed up to install the job. That trail of trust doesn't exist with most of the bigger mobs anymore.

TH
Tom H.Narre Warren · heat pump
★★★★★

Emergency sorted Sunday

Hot water died on a Sunday with three kids in the house. Answered the phone, had a temp loaner running by lunch, new iStore in on Tuesday. That's service.

SK
Sam K.Berwick · emergency hot water
★★★★★

Follow-up call was a surprise

A week after install they rang to check the heat pump was running quiet and the app was set up. First tradie who's ever followed up after payment cleared.

ND
Nick D.Beaconsfield · heat pump
★★★★★

Family business, feels it

Answered the phone myself, quoted the job, showed up to install the job. That trail of trust doesn't exist with most of the bigger mobs anymore.

TH
Tom H.Narre Warren · heat pump
★★★★★

Emergency sorted Sunday

Hot water died on a Sunday with three kids in the house. Answered the phone, had a temp loaner running by lunch, new iStore in on Tuesday. That's service.

SK
Sam K.Berwick · emergency hot water
★★★★★

Follow-up call was a surprise

A week after install they rang to check the heat pump was running quiet and the app was set up. First tradie who's ever followed up after payment cleared.

ND
Nick D.Beaconsfield · heat pump
★★★★★

Actually got up in the roof

Had three quotes for a ducted system. These guys were the only ones who actually crawled into the roof. Middle of the pack on price but installed cleaner than the others would have.

DR
Dean R.Officer · ducted retrofit
★★★★★

Cleaned up like nothing happened

Full ducted retrofit over two days. When they left the roof cavity was tidier than they found it and the driveway had been swept. Small thing but it matters.

BR
Bianca R.Berwick · ducted install
★★★★★

Explained everything

Walked me through the Milieu tablet, showed the wife how to use it, showed us the compliance cert. Ten minutes of teaching that other installers just skip.

MT
Marcus T.Officer · ducted aircon
★★★★★

Actually got up in the roof

Had three quotes for a ducted system. These guys were the only ones who actually crawled into the roof. Middle of the pack on price but installed cleaner than the others would have.

DR
Dean R.Officer · ducted retrofit
★★★★★

Cleaned up like nothing happened

Full ducted retrofit over two days. When they left the roof cavity was tidier than they found it and the driveway had been swept. Small thing but it matters.

BR
Bianca R.Berwick · ducted install
★★★★★

Explained everything

Walked me through the Milieu tablet, showed the wife how to use it, showed us the compliance cert. Ten minutes of teaching that other installers just skip.

MT
Marcus T.Officer · ducted aircon
Call the team(03) 5947 8000Free quote →