Cost Savings Comparison, 160 watt Tanning, Electronic Ballast vs. Choke
42 50 58
  42 Lamp Bed (160w) 50 Lamp Bed (160w) 58 Lamp Bed (160w)
  Choke Electronics Choke Electronics Choke Electronics
Relative UV output 100% 104% 100% 104% 100% 104%
Input Power per Lamp 172.8 124.1 172.8 124.1 172.8 124.1
System Power (Watts) 7257.6 5212.2 8640 6205 10022.4 7197.8
Line Current (Amps) @ 230 volts 48.13 24.07 55.01 27.50 59.59 29.80
BTU savings   6983   8313   9643
Energy Savings (Watts)   2045.4   2435   2824.6
Annual Energy Savings due to reduced electrical consumption@ $.12/KWH,  6 hours/day, 6 days/week, 50 weeks/year   $441.81   $525.96   $610.11
Annual thermal savings due to reduced HVAC    $441.81   $525.96   $610.11
Annual savings due to reduced maintenance cost for Lamp & Starter replacements (one less maintenance call per year)   $150.00   $150.00   $150.00
Savings due to reduced building wiring & breaker cost, smaller HVAC.   $150.00   $150.00   $150.00
1st year savings   $1,183.61   $1,351.92   $1,520.23
3 year savings   $3,250.84   $3,755.76   $4,260.68
5 year savings   $5,318.06   $6,159.60   $7,001.14
1 Ton Refrigeration = 12,000 BTU/HR
1 KW = 3414 BTU/HR