heating system tune-up 4

https://qualityairconditioningreview.greyhavendaily.com/posts/what-defines-a-quality-air-conditioning-service-for-homeowners

Before winter hits, I always schedule a heating system tune-up to make sure everything's running efficiently. The technician cleans the burners, checks the heat exchanger, and replaces the air filter. It takes about an hour, but it saves me from waking up to a freezing house and keeps my energy bills lower.