Accidents or unpleasant incidents are more likely to happen if you hire an HVAC contractor who isn’t licensed or certified. You can check the contractor’s license by contacting a government representative in the local area or state. It is also wise to ask the technician to show copies of their licenses or certifications. Don’t forget to talk about workers’ compensation insurance, you don’t want to be liable if someone gets injured on the job.
Once you have about 3-4 contractors, talk to them. Explain what you need, find out details regarding services offered, etc. It may seem like a tedious process, but you will appreciate in the long run. Nothing beats the feeling of knowing you are paying for the best service out there!