Whole-system problems
What is your HVAC system doing?
Start here when the entire heating or cooling system has stopped, a breaker keeps tripping, or the equipment changed after a storm or power outage. These pages help narrow the issue without asking you to identify a failed part.
2 approved guides
All Whole system
Choose the closest observable symptom. The page will show safe checks, urgency, and the best starting service.
Need one more detail?
These broader symptoms need one quick question before choosing the right page.
Relevant services
Where these problems usually start
Costs and guides
Plan the next decision
Not sure what you need?
Tell us what your home is doing
You do not need to know the HVAC term. Choose the closest issue and we will show you the best next step.
More problems
Need HVAC Help Now?
Call HVAC Rescue to connect with help for AC repair, heating repair, furnace issues, heat pumps, maintenance, thermostats, ductwork, and more.
No obligation | Availability may vary by location and provider