FAQs
Thermal Shield HVAC
What is the life of an HVAC system?
With regular maintenance, your HVAC system can last up to 15 years.My fan will not run, how can I get this to work?
Verify that your fan is set to auto rather than on, as this setting can prevent your system from triggering properly.How often should I maintenance my HVAC system?
We recommend scheduling maintenance twice annually, once during spring and once during fall.How often should I change my air filter?
Air filters should be replaced on a monthly basis.What should I do if my system isn't working?
Turn your system off immediately to prevent further damage and reduce costs until we can perform service.








