Articles on LZC, HVAC, PC & CAD too!


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Privacy Policy Summary

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.

We collect anonymous statistics about your visit, like which of our pages you viewed.

Some 3rd parties like Facebook and Twitter may know you visited this website, if you use their services. We cannot control them but we do not believe this knowledge poses any threat to you.

We never share your data with 3rd parties except to help us deliver our own services.


We use third party advertisements on to support our site. Some of these advertisers may use technology such as cookies and web beacons when they advertise on our site, which will also send these advertisers (such as Google through the Google AdSense program) information including your IP address, your ISP , the browser you used to visit our site, and in some cases, whether you have Flash installed. This is generally used for geotargeting purposes (showing New York real estate ads to someone in New York, for example) or showing certain ads based on specific sites visited (such as showing cooking ads to someone who frequents cooking sites).

You can chose to disable or selectively turn off our cookies or third-party cookies in your browser settings, or by managing preferences in programs such as Norton Internet Security. However, this can affect how you are able to interact with our site as well as other websites.

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Measuring Our Visitors

We measure visitors to our website using Google Analytics. This records what pages you view within our site, how you arrived at our site and some basic information about your computer. All of that information is anonymous – so we don’t know who you are; just that somebody visited our site.

The information we collect from analytics helps us understand what parts of our sites are doing well, how people arrive at our site and so on. Like most websites, we use this information to make our website better.


Articles on low & zero carbon technologies, HVAC, Computers & CAD too! is a resource on low and zero carbon (LZC) technologies such as solar and wind energy, providing independent advice and tips to help with the planning and design of these technologies.

Also on the site is general HVAC building services information; design notes and tips on domestic water, heating, ventilation and other mechanical building services subjects.

And Homemicro's CAD pages compliment both the LZC & HVAC subject areas. Check our free CAD Blocks here

Further Information


Our privacy policy may change from time-to-time, particularly as technology evolves. Check this page for updates.


We measure visitors to our website using Google Analytics.


Cookies are used by web developers to help users navigate their websites efficiently.

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