HVAC maintenance

https://heatingairconditioningplace.clearhavendigest.com/posts/what-homeowners-should-know-about-heating-and-air-conditioning-systems

I finally called for HVAC maintenance after my unit started making a weird clanking noise. The technician cleaned the coils, replaced the filter, and checked the refrigerant levels—turns out a simple tune-up can prevent major breakdowns. Now the air flows better, and I'm hoping it'll cut down on my electric bill this summer.