http://2learnhow.com/story.php?title=commercial-mechanical-contractor-kill-devil-hills Why Hire a Licensed HVAC Contractor?When upgrading or installing your heating and air-conditioning system, it can be tempting to look for the cheapest contractor in hopes of saving money.Chances are, if you do, you'll be hiring someone who is unlicensed, and this can cause a host of problems when installing your HVAC (heating, ventilation, air-conditioning) system. Sun, 18 Sep 2022 01:05:36 UTC en