Banging, buzzing, clicking — find out exactly why your AC compressor is making noise, what each sound means, and whether you need a repair or a full replacement.
Looking for a silent AC? We compared the quietest air conditioner models of 2026 by decibel rating, type, and budget — from mini-splits to window units and central systems.
Window AC buzzing, rattling, or vibrating through your walls? These 8 practical fixes stop the noise without calling an HVAC tech — most cost under $20 and take under 30 minutes.
Learn when to replace your AC filter, how to do it yourself, and which filter type is best for your needs. Improve air quality and save on energy bills.
Learn the signs of low AC refrigerant, how much a recharge costs, and why fixing the leak matters more than just topping off the gas.
Compare air conditioners, fans, and evaporative coolers by performance, cost, and electricity usage. Find the best cooling solution for your situation.