#1 in Hilton Head Island
E.A.C. Heating & Air
Hilton Head Island, SC
(843) 681-3999
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Check the batteries and settings first. If the screen is lit but nothing runs, it could be a wiring or system issue — a tech can sort it out.
Smart thermostats pay off if your schedule varies. Have the tech confirm it's compatible with your system first.
The thermostat itself is the small part; most of the cost is the service visit. Some shops waive the visit fee with the install.
Try fresh batteries and check the breaker. If it stays blank, the thermostat or its wiring may need professional attention.