This central air conditioner maintenance guide helps you get lower cooling bills while staying comfortable in summer.

Don’t sweat it if your central air conditioning won't blow cold air. Here’s how to troubleshoot and fix problems with its ...

Q: My room temperatures don’t stay very even and my old central air conditioner is getting noisier each year. What types of ...

Hitachi Air Conditioners manufactures climate control systems for residential and commercial use. ... When I checked inside the unit Blower fan blade found broken and making sound and vibration.

Also, check the blower motor and fan. If they aren't running or are spinning slowly, airflow across the coil will be limited. That's a bigger repair, but it's important to diagnose it early.

The Lennox SunSource is a heat pump with a solar assist. Its condenser fan motor draws power from a 190-watt photo­voltaic panel, a $3000 add-on. The high-efficiency heat pump itself costs $4000 ...

Be sure and hit the blower, condenser, fan, compressor coils and evaporator coils. ... Duck Brand Replacement Air Conditioner Foam Filter. $8 at Amazon. Spray Down the Coils.