Do you know how to fix a broken commercial heating and air system?
If this happens to you just try and find general contractors that have the knowledge and experience to fix the problem for you. The best way to do this is to go online and simply Google the best emergency HVAC contractors in your area. Take all of the companies on the first page and compare all of their certifications and qualifications as well. Once you have done that go ahead and start calling them and comparing their prices.
Now, you do not want to always go with the company that offers you the lowest price. Quality of work is extremely important, especially in emergency situations. If you choose a company based solely on the price they gave you it could most certainly come back to haunt you. Often times this mistake is made and it ends up costing the company 3 times the money to have their heating and cooling system fixed. This could have been avoided by paying the little extra to have it done right.