The Thermal Dawn Blog

Practical guides on replacing gas hydronic heating with heat pumps and thermal storage. They're being written now, and we'd rather publish them properly than early.

Guide

Heat Pump Radiator Compatibility: The Flow-Temperature Question

The single most common question we get: will your existing radiators keep up at lower water temperatures?

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Guide

Hydronic Cooling with Fan Coil Units in Australia

Why your radiators can't cool your home in summer, but the same system can, with the right kit.

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Case study

A Melbourne Family Took Their Gas Boiler Off the Wall

Hawthorn, Victoria. Real home, real bills, live running numbers from the customer's own app.

Coming soon
Thermal Dawn heat pump unit that replaces a gas hydronic boiler
Guide

I Want to Replace My Ducted Gas Heating. What Are My Options?

Ducted heat pump, hydronic, VRF or splits. What each involves, and what to check before anyone quotes you.

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Guide

Thermal Storage vs Lithium Battery: Which Is Right for Your Home?

Which stores energy cheaper for heating, cooling and hot water, and when you might want both.

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Myth-busting

The Heat Pump Pipe Diameter Myth, Debunked

Told you need bigger pipes to switch from gas? The actual physics, and when it's really true.

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Guide

Why Your Gas Boiler's Days Are Numbered, and What to Do About It

Gas prices, network charges and collapsing feed-in tariffs all point one way. Why replacing on your own timeline beats waiting for it to fail.

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What to expect

What Actually Happens During a Hydronic Heat Pump Installation

A plain-English walkthrough: who does what, the day-by-day sequence, and what to sort beforehand.

Coming soon
Guide

Victorian Gas Boiler Replacement Timing: Replace Now or Wait?

The case for acting now versus holding on, and how the timing affects your running costs.

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Guide

The 15-Year Cost of Heating: Gas vs Heat Pump vs Thermal Dawn

The running-cost trajectory next to the capital cost, so you can see the whole picture.

Coming soon