There are many different companies out there that offer heating repair or replacement services that you can choose from.  Some of the heating contractors Portland are much more knowledgeable and more experienced than others.  Some contractors may specialize in one area or another.  Depending on your specific situation and circumstances, you may need to do some checking around to find a good one that will fit your needs.  A heating contractor repairs and replaces or installs heating, air conditioning and ventilation equipment and systems.  This is also known as HVAC.  

They also repair or replace or install ductwork and the other things that go with the heating and air conditioning systems such as thermostats and heat pumps and so forth.  Some of the heating contractors offer services such as sealing your ductwork and performing energy evaluations on your home to then offer guidance and advice on changes you may need on your heating and air conditioning systems.   HVAC requirements for licensing vary from state to state.  There are certifications such as the NATE (North American Technician Excellence) that show a contractor has passed certain tests and possesses at least a minimum amount of knowledge and skill to pass the certification.  The NATE certification is the top testing and certification program that is backed up by the heating and air conditioning industry.  It is also important that the contractor you go with carries adequate business insurance that includes liability, property damage and personal injury with high enough deductibles to cover any mishaps that may occur while they are on your job.  

Heating contractors Portland should also carry a good worker's compensation policy that will cover them and their employees.  A quality contractor will also work within the proper licensing requirements of their state and local governments.   Some states require an exam to get their licensing for this type of business.  The exam will cover such things as the design, function and maintenance of heating and air conditioning systems.  It also will test the knowledge of the con tractor in the areas of the mechanical codes.  These codes are required by law to protect you as the consumer.   Whatever your reason for the need to hire heating contractor Portland you can rest easy knowing you have found a good one if you do your homework and check in to them.  There are many knowledgeable contractors available for you.