Mark McLean is the co-founder of Callum Walker Energy Source based in Fife in Scotland. Callum Walker Energy source focus on advising on and installing high end energy efficient home improvement measures such as triple glazing, heat recovery systems and all things PassivHaus. Mark also has his own personal website: http://markmclean41.wordpress.com/ where he writes and vlogs about issues more personal to him, as well as industry issues too. On a regular basis he has written a series of excellent guest posts for DGB, which you can browse through below.
Mark McLean – We Should Take A Leaf Out Of Sweden’s Book!
What I’m about to tell you is true, its 100% factual and I can send a copy of a report which further emphasises and backs up the savings and energy usage of Sweden. If we adopt the [...]
Mark McLean Guest Column
Who am I to tell you, that what I'm doing is right, and that maybe just maybe you should adopt the same thing? As some of you may or may not know, I work in the [...]
Your Window Is Only As Good As The Hole It Goes In!
I'd like to introduce another great guest post from Mark McLean! This might be interpreted as a rant……but here goes anyway! This week has seen me travel the length and breadth of bonnie Scotland cleaning [...]
Is There Such A Thing As An Energy Efficient Bi-Fold Door?
Guest post from Mark McLean: Coming from an energy efficient background, predominantly based around the principals of passivhaus, we have to constantly come up with ways of incorporating the latest glazing gimmicks. Bi-fold doors over [...]
A Lesson In Passivhaus
I have tried my hand at Passivhaus before, attempting to write about the subject on some very basic knowledge and what I can pull out online. However, it's not been up to scratch. So, I [...]