Make sure that the contractor is certified to work on your thermostat. Many people overlook the extensive training that is required to become a certified HVAC technician. HVAC workers are some of the most highly trained contract professionals that most regular homeowners will deal with. This is because the components these people deal with are very complicated. As such, they are given significant training and are put under significant licensing restrictions.

Try to find an HVAC contractor with experience working with thermostats or other electronically-based HVAC components. There are some significant differences between conduit-based HVAC work and electronics work. If you hire someone who does not have electronics experience, you may be damaging the thermostat more than anything.

If possible, you should have a dedicated HVAC repair company that you handle most or all of your repairs through. This is important for a number of reasons. First of all, it simplifies the process of HVAC repair significantly. If you are able to get something accomplished by contacting just one company, then you are obviously saving time and effort. Also, you could be saving a lot of money this way. This is because many companies will send technicians out to look at minor problems for regular customers free of charge. They do this as a courtesy to help keep you on their books as a customer.