Is There Anything I Can Check Prior to Calling for Service?

When it comes to troubleshooting, you want to rule out the obvious stuff first. There’s nothing worse than calling for help, only to find out the problem was something you could have easily fixed yourself. — See more at: http://www.jerrys-hvac.net/more-than-hot-air/is-there-anything-i-can-check-prior-to-calling-for-service