MGA specialized HVAC systemsAll services

Heating & cooling built for Melbourne.

Simple, reliable heating and cooling for homes and businesses across Melbourne. Skim the line items below, or get a fast, free quote.

MGA Cooling service van outside an industrial unit at golden hour
Melbourne sizing rules

How much cooling or heating power do you need?

A properly sized system prevents high energy bills and ensures steady comfort in extreme weather.

System size by room area
CapacityAreaTypical rooms
2.5 kW10 to 20 m²Small to medium bedrooms, study rooms, home offices.
3.5 kW20 to 30 m²Master bedrooms with ensuite, medium living spaces.
5.0 to 7.1 kW35 to 60 m²Open plan kitchen, dining, and living lounge areas.
10 to 16+ kW100 to 250+ m²Full home multi-zone ducted reverse cycle systems.

Got questions about our systems?

Clear answers on system types, ducted heating, gas-to-electric changeovers, commercial VRF/VRV capabilities and VEU rebates.

Need advice on the right system?

Our Melbourne technicians give honest, obligation-free guidance and itemized quotes.