ScienceTeacher · Dec 22, 2014

Theodor provided a well written report for heating and cooling loads quickly.

for Heating and cooling load calculations

Edwin 5 · Oct 11, 2014

Good - Professional way of working with Theodor, fast replies on (extra) request, good experience

for calculations for cooling system

Cactus-Joe · Dec 18, 2013

Good work and on time completion

for Plumbing Estimate