This sentence doesn't work for me:
The degree was awarded with “2.2” and “good” respectively.
I don't see two things to justify the use of 'respectively. I'd take it out. I'd also capitalise 'good' as it's a grade.
I'm not sure about your use of 'environmental controlling'- I'd probablu use management.
software range- software suite
As the course coordinator, I have come to know Mr. xxx as a committed and ambitious student,
I'd use 'Yours faithfully' and I'd put 'Should you require any further information, please do not hesitate to contact me' before it.