Archive for October, 2011

should i get an air purifier or dehumidifier to prevent mold growth in my HVAC unit?

Saturday, October 8th, 2011

Mike R asked: what is the most effective in prevention? the most cost effective?Outdoor Solar Lighting

How do dehumidifiers work?

Friday, October 7th, 2011

Max asked: I understand that dehumidifiers are basically refrigeration cycles. They have a compressor that goes to a condenser and then an evaporator. What I'm wondering is if home dehumidifiers have an expansion valve. How does the fluid get from hi pressure back down to low? Is that energy lost ...