Ducted reverse-cycle air conditioning is one of the largest flexible loads in Australian homes — and one of the best candidates to run on rooftop solar when you design for coincidence. This integration page explains how CEC-accredited installers coordinate PV sizing, inverter capacity and AC scheduling so summer cooling does not simply become a bigger grid bill after sunset. Pair the conversation with STCs on the solar side and, if storage is involved, the Cheaper Home Batteries Program (~$372/kWh usable).
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Indicative 2026 pricing: a typical 6.6kW system often quotes around $5,000–$8,000 after the STC discount (metro installs often $5,000–$7,500; premium/regional can run higher). See our solar cost guide.
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Pre-cool living zones in the early afternoon when panels peak, then lift setpoints slightly into the evening. Without scheduling, ducted systems often miss the solar window and import expensive peak energy. If two quotes disagree on “Match solar production to cooling hours”, ask both to show workings with as-of dates (STC spot and subsidy rules) rather than accepting a verbal reassurance. On the “Match solar production to cooling hours” point for solar ducted air conditioning, write acceptance tests into the quote: product models, STC or battery-subsidy maths, and DNSP/export notes must be explicit for /services/solar-ducted-air-conditioning.
Homes with ducted AC frequently need more than a token 5kW array. Model summer weekday loads, not annual averages alone. East-west arrays can help morning/evening shoulder cooling. After install, revisit “System sizing implications” using your app’s import/export charts — that feedback loop is how solar ducted air conditioning stays aligned with real tariffs and DNSP behaviour. Because solar ducted air conditioning decisions are site-specific, use monitoring or bill interval data where you have it, then ask each CEC-accredited installer to reconcile their design to those facts.
Compressors and zoning motors create electrical diversity your installer must respect. Hybrid systems with batteries can soft-start through outages only if backup circuits and surge ratings are designed for it. If two quotes disagree on “Inverter headroom and startup currents”, ask both to show workings with as-of dates (STC spot and subsidy rules) rather than accepting a verbal reassurance. On the “Inverter headroom and startup currents” point for solar ducted air conditioning, write acceptance tests into the quote: product models, STC or battery-subsidy maths, and DNSP/export notes must be explicit for /services/solar-ducted-air-conditioning.
Running ducted cooling on solar turns potential exports into bill reduction — valuable when DNSPs cap export and FiTs are low. Still disclose the export limit on every solar quote. On the “Export limits vs daytime AC self-consumption” point for solar ducted air conditioning, write acceptance tests into the quote: product models, STC or battery-subsidy maths, and DNSP/export notes must be explicit for /services/solar-ducted-air-conditioning. MrSolar’s three-quote flow for solar ducted air conditioning exists so you can reject proposals that skip workmanship warranty length, handover app ownership, or export-limit disclosure.
Late-day heatwaves push cooling past sunset. A modest battery sized to usable evening kWh can bridge that gap. Eligible storage may access ~$372/kWh usable federal support since 1 July 2025. Keep Epic Unicorn Pty Ltd / MrSolar matching separate from installer contracts: accreditation and incentive claims must appear on the installer’s paperwork for /services/solar-ducted-air-conditioning. Homeowners comparing Solar + Ducted Air Conditioning — Cut Cooling Costs with Smarter Design should treat vague wording as incomplete — especially around CEC accreditation and the Cheaper Home Batteries Program planning figure of ~$372/kWh usable where storage is involved.
Close unused zones, maintain filters and consider smart thermostats that prioritise solar surplus signals from your inverter ecosystem. Because solar ducted air conditioning decisions are site-specific, use monitoring or bill interval data where you have it, then ask each CEC-accredited installer to reconcile their design to those facts. If two quotes disagree on “Controls and zoning tips”, ask both to show workings with as-of dates (STC spot and subsidy rules) rather than accepting a verbal reassurance.
Ask for solar designs that acknowledge ducted AC load. MrSolar matches CEC-accredited solar installers; coordinate with your AC contractor on controls where needed. Keep Epic Unicorn Pty Ltd / MrSolar matching separate from installer contracts: accreditation and incentive claims must appear on the installer’s paperwork for /services/solar-ducted-air-conditioning. Homeowners comparing Solar + Ducted Air Conditioning — Cut Cooling Costs with Smarter Design should treat vague wording as incomplete — especially around CEC accreditation and the Cheaper Home Batteries Program planning figure of ~$372/kWh usable where storage is involved.
Design solar around your ducted AC — compare up to three CEC-accredited quotes on MrSolar.
Written and reviewed by Daniel (Marketplace lead, Epic Unicorn Pty Ltd). We build pages from Australian solar datasets and regulatory references, then map you to CEC-accredited installers only.
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