Sydney / Est. 2014

HVAC ThatRespectsThe Design.

Heating, Ventilation & Air Conditioning

Precision climate systems for homeowners, architects & interior designers.
Specification-ready.

Licensed & Insured
Residential & Commercial
Major Brands
0
Installations completed
0
Years in the field
0
Years of combined knowledge
0
Suburbs serviced

Trusted by

Services

What We
Deliver.

From complex installations and heritage builds to maintenance contracts, breakdown response and property management support — we cover the full scope of HVAC across Greater Sydney.

01

System Design & Installation

From specification through to commissioning. We design and install split systems, ducted systems, multi-head units and VRF systems — tailored to the architectural intent.

Split systemsDuctedMulti-headVRF
02

Call-Out & Breakdown

When your system goes down, we'll get there as soon as possible. Fault diagnosis and repairs across Greater Sydney — our range of knowledge across many brands and systems will get you up and running again.

Fault diagnosisPrompt responserepairGreater Sydney
03

High-End Residential

Discerning residential clients who expect the install to be invisible and the result to be exceptional. Flexible scheduling, upfront pricing, immaculate worksites.

Concealed installsFlexible schedulingUpfront pricingTidy worksite
04

Commercial & Hospitality

Commercial fit-outs for offices, retail, hospitality and mixed-use developments.

OfficesRetail & diningcommercial
05

Maintenance Programs

Ongoing service contracts to keep your systems performing at specification. Filter cleaning, gas checks, performance testing and annual service plans.

Filter & coilGas checksPerformance testingService contracts
06

Project Coordination

We read your drawings, work with your builder and produce a proposal to match your specification schedule. Coordinated, accountable, on programme.

Drawing reviewSpec complianceLocal RequrementsBuilder liaison
07

Heritage & Conservation

Specialists in HVAC for heritage-listed buildings, Sydney terrace houses and difficult structures. Where others say it can't be done, we engineer a solution that respects the fabric.

Heritage listedTerrace housesMinimal disruptionConcealed routing
08

Real Estate & Strata

Dedicated service for property managers and owners corporations. Call-out and breakdown response plus scheduled maintenance plans — keeping systems running and tenants comfortable across your entire portfolio.

Property managersStrata buildingsMaintenance plansLandlord liaison
09

Ventilation & Exhaust

Supply and installation of Lossnay heat recovery ventilation units, mechanical exhaust systems and fresh air solutions. We also carry out routine maintenance and filter servicing to keep your ventilation performing to specification.

Lossnay / HRVMechanical exhaustFresh air supplyFilter servicing
For Architects & Designers

We Speak
Your Language.

Tired of HVAC contractors ignoring plans, damaging finishes, and causing coordination issues? We meticulously execute your project to realise your vision.

Brief Us On Your Project
01

We read your drawings

Before we set foot on site, we study your plans. We understand clearances, ceiling heights, and the difference between what's drawn and what's built.

02

We protect your finishes

Heritage plaster, spotted gum floors, raked ceilings — we treat your interior with the same care you put into specifying it.

03

We coordinate with your team

Builder, project manager, joiner — we integrate with your construction programme and communicate proactively. No chasing required.

04

We find the invisible solution

Our expertise is making HVAC disappear. If there's a concealed route, a hidden cassette or a quiet solution, we'll find it and specify it properly.

Real Estate & Strata

Built For
Property
Managers.

We understand the pressure property managers face when a tenant's air conditioning fails. We act promptly, communicate clearly and take the problem off your plate.

Enquire About a Maintenance Plan
01

Call-out & breakdown response

When a system fails in a managed property, we attend as soon as possible during business hours — diagnosing the fault and getting it resolved with minimal disruption to tenants.

02

Scheduled maintenance plans

Regular service contracts tailored to your building portfolio. Filter cleaning, coil inspections, gas checks and performance testing — keeping systems running and compliance records up to date.

03

Multi-unit & strata buildings

We manage HVAC across entire strata buildings, working directly with strata managers and owners corporations to coordinate access, document findings and keep all parties informed.

04

Landlord & tenant liaison

We work in closely with real estate agencies to take the load off property managers — clear reporting, prompt attendance and straightforward invoicing for every job.

The Project Flow

How We
Work.

01

Specification

Contact us with your drawings and brief. We review the plans, ask the right questions, and prepare a detailed specification and quote.

02

Site Assessment

We attend site, confirm routing, clearances and structural requirements. All findings documented and shared with your project team.

03

Coordination

We integrate with your programme — liaising with the builder, confirming lead times and scheduling installation to avoid disruption to other trades.

04

Delivery

Licensed installation to specification, full commissioning, documentation handover and ongoing maintenance available from day one.

Client Feedback

What They
Say.

5.0on Google
Coverage

Serving
Greater
Sydney.

Based in Alexandria, we're centrally located to reach any corner of Greater Sydney.
Fast turnaround from initial briefing to on-site delivery.

Alexandria, NSW 2015
All of Greater Sydney
Mon–Fri, 8am–4pm
Check Availability
Sydney CBDInner WestEastern SuburbsNorth ShoreNorthern BeachesParramattaSutherland ShireHills DistrictWestern SydneySouth SydneyNewtownSurry HillsPaddingtonGlebeBalmainLeichhardtBondiRandwickManlyChatswoodCrows NestMosman+ Many more
Instagram

Latest Work.

@diamondairsolutions
#diamondairsolutions
Enquire

Start a Project.

Reach out directly or book online. We aim to respond within 2 hours during business hours.

Phone
0457 301 636
Mon–Fri 8am–4pm
Location
36 Wyndham St, Alexandria NSW 2015
By appointment only · Serving all of Greater Sydney
Online Booking

Make an Enquiry
or Booking

Use our online form to request a quote or schedule a visit. Takes less than 2 minutes.

Book Online

No obligation — response within 2 hours