What is the difference between Mitsubishi Heavy Industries and Daikin ducted AC?

MHI is a Japanese industrial manufacturer known for heavy-duty compressor reliability — its systems are built to industrial tolerances, which translates to long-term durability in residential settings. Daikin is the world's largest dedicated AC manufacturer with the largest service network in Australia. Both carry 5-year warranties. MHI starts from $8,600 vs Daikin's $9,500, offering a $900 saving with comparable performance.

Is Mitsubishi Heavy Industries the same as Mitsubishi Electric?

No. Mitsubishi Heavy Industries and Mitsubishi Electric are completely separate, independent companies. MHI is the industrial and heavy machinery division of the Mitsubishi group, while Mitsubishi Electric is the consumer electronics and appliances division. Their air conditioning products share no parts, use different technologies, and have separate warranty and service networks in Australia.

Which has better energy efficiency — MHI or Daikin?

Both achieve 5.0–5.5 energy stars depending on system size. Daikin's larger residential range includes 5.5-star models at entry level, while MHI achieves 5.0 stars on its standard range and 5.5 on select models. For a typical Sydney 4-bedroom home running 8 hours per day, the practical running cost difference is minimal — approximately $50–$100 per year.

Mitsubishi Heavy Industries vs Daikin Ducted Air Conditioning Sydney 2025

Installed prices — Mitsubishi Heavy Industries: from $8,600 · Daikin: from $9,500 · Expert installer comparison

Mitsubishi Heavy Industries (MHI) uses industrial-grade scroll compressors designed for heavy-duty use, giving residential systems exceptional long-term reliability. Daikin is the most recognized brand in Australia with a vast service network. MHI offers a significant price advantage for those prioritizing industrial durability. Both available from $19/week.

Verdict: MHI wins on price and industrial-grade compressor reliability. Daikin wins on service network and brand reputation.

Both brands include a 5-year manufacturer warranty on all systems installed by Sydney Air Conditioning Experts across all 665 Greater Sydney suburbs.

Call 0421 941 317 or email quote@sydneyaircon.net for a free quote on either brand — we install both daily across Sydney.