From Singularity Tech: Play with blue light and feel better!Blue Light Therapy App is intended to stimulate your brain with blue light.SupraChiasmatic Nucleus (SCN), a region of your brain receives information about the light that you see through your eyes and makes sleep/wake transition decisions. do not know if the app will work for you-when I play with it, I FEEL VERY GOOD!HOW TO USE:1)Hold the phone in your hand and touch the screen to create ripples of blue.-OR-2)Start the app and set it to create ripples automatically.
1 For a 1,000 square foot home, the cost of an HVAC system is $6,000 to $12,000, including a new furnace, air conditioning unit, and ductwork.2  For larger homes and more complex setups, however, the price could be significantly higher. A new furnace in a central heating system costs $2,500 to $7,500 or more. 2  If you donât need ductwork, the cost of a new heating and cooling system can be significantly decreased.
To replace central air units and furnace unit without distribution system is between $5,000 and $10,000. If we paid HVAC contractor $5,700.00 to replace central air conditioner units with furnace I would said that good deal.Central air cost with duct work. To install central air conditioner units with duct work is between $10,000 and $15,000 or more. There are some areas that will charge less.entral air cost with duct work. To install central air conditioner units with duct work is between $10,000 and $15,000 or more. There are some areas that will charge less.