Location Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Average
Kaitaia 6.0 5.4 4.6 3.2 2.4 1.9 2.1 2.8 3.8 4.7 5.5 6.1 4.1
Auckland 6.4 5.6 4.7 3.3 2.3 1.8 2.2 2.8 3.8 4.9 5.8 6.4 4.2
Hamilton 6.0 5.3 4.6 3.1 2.1 1.7 1.9 2.5 3.5 4.4 5.5 6.1 3.9
Wellington 6.6 5.5 4.5 2.9 1.8 1.4 1.6 2.3 3.4 4.7 5.8 6.3 3.9
Nelson 6.5 5.7 4.2 3.1 2.1 1.6 1.7 2.4 3.7 4.8 5.8 6.4 4.0
Christchurch 6.1 5.2 6.0 2.6 1.7 1.3 1.4 2.1 3.4 4.7 5.7 6.2 3.7
Dunedin 5.1 4.8 3.3 2.3 1.4 1.0 1.3 1.9 3.1 4.0 4.8 5.3 3.2
Queenstown 6.6 5.8 4.3 2.8 1.8 1.3 1.6 2.4 3.6 5.0 6.0 6.8 4.0
Invercargill 5.7 4.9 3.3 2.2 1.3 1.0 1.2 1.9 3.1 4.3 5.5 6.0 3.4
Chatham Islands 5.6 4.7 4.2 2.4 1.5 1.1 1.3 2.0 3.0 4.2 5.3 5.8 3.4
Scott Base 7.1 3.8 2.5 1.3 1.1 0.0 0.0 0.0 0.7 3.1 6.5 8.1 2.6
The Boilerhouse Specialists in central heating systems.

Looking at home heating, considering central heating? You've come to the right place. We will guide you through the choices you need to make to decide which central heating system is right for you.

Get a free quote

Build your own central heating system

A 3 step process: use our calculator to determine your heating needs, then select the components of your customised central heating system.

Step One: Design your system

There are several variables in determining how much energy each room needs. Here you can enter the details for each space & build up a total home system.

Add Room
Hours a Day Days a Week Months a Year Annual Running Cost$
Winter Power Price$ per kWh Annual Running Cost (electricity)$

Step Two: How much will it cost?

Central heating can be a significant investment and we’d like you to be sure this is realistic for you. There’s quite a few factors in pricing a system but you do need to know what sort of cost is involved in central heating. From your heat loss calculations and system selections we’ve got a pretty good idea of the initial and on-going running costs you’re looking at for a central heating system. Most importantly, alter the fuel to see the impact on running cost.

Total Cost
Annual Running Cost

Step Three: Upload your details

Now that you’ve seen what is possible, refined your homes’ heating and decided that central heating is for you; here’s the next steps. We invite you to send your choices, plans and contact details to us. We’ll be in touch soon to discuss your best way to get the warm home you deserve.

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Thank you for taking the time to send us your information, we will get in touch with you shortly.

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