CR Martin Heating Ltd-No Longer in Business

We had a Heat Pump installed in 2007 in our new home; CR Martin was fantastic at the installation,however, every year since we had problems with this heat pump. Always at the end of the summer; cannot get CR Martin to attend until mid October. Coil was replaced last year and now needed replacing again this year; part was covered but not labour; 2 hour job $445.00 - Requested owner Clay to call, never called; Admitted they have problems with the coils being copper and aluminum which are incompatible, now are able to use just aluminum but we had to pay for it....considering going to better business bureau about this....very disappointed!