How efficiently your HVAC system works depends on how regularly you clean it.

Q: Even though I have my air-conditioning system serviced every three years, are there any simple maintenance tasks I can do myself to keep hem running as efficiently as possible? A: Regular ...

Brutal heat has been beating down on the U.S., and across the globe, with high temperatures reaching above 90 degrees -- and in some cases over 100 -- recently in cities like Phoenix and Las Vegas, ...