Improve Comfort, Save Energy

Central systems are like having one light switch for the whole house, "on or off". Why heat rooms you're not using? With Cadet heaters, no heat is lost through ductwork or exhaust: 100% of the electricity consumed is converted to heat.

Zonal Heating creates flexibility and control by only heating rooms in use, reducing the amount of energy needed to maintain a comfortable living space.

System Comparisons - Central Gas Furnace vs Electric Zonal Heat

Comparison Assumptions
  • 1800 Square Foot Home
  • 3 Bedrooms, 2.5 baths
  • Heating Zones: 10
  • Electronic Thermostats
  • Location: Portland, OR
  • Winter: Oct 1 - Mar 1
  • Comfort temp:
    Day=69º (16 hours)
    Sleep=60º (8 hours)
  CENTRAL GAS FURNACE   ELECTRIC ZONAL HEAT
  80% EFFICIENT 90% EFFICIENT   100% EFFICIENT
Installation Cost $4800 - $5200   $900 - $1200
No. of rooms typically heated at one time

Day Time
10 rooms heated to 69º

Night Time
10 rooms heated to 60º

 

Day Time
3 rooms heated to 69º
7 rooms heated to 60º

Night Time
5 rooms heated to 60º
5 rooms heated to 55º
Average heat required 12,000 BTU/HR 12,000 BTU/HR   10,000 BTU/HR
Add furnace duct* loss +3,000 BTU/HR +3,000 BTU/HR   0
Add furnace stack* loss +3,750 BTU/HR +1,667 BTU/HR   0
Add* furnace electricity usage
(converted from KW/HR to BTU/HR 		+637 BTU/HR +567 BTU/HR   0
Total average energy required 19,387 BTU/HR 17,234 BTU/HR   10,000 BTU/HR
TOTAL WINTER BTU USAGE 70.3 MILLION 62.5 MILLION   36.2 MILLION
42-48 Percent less energy


Room Temperatures
Notes:
  • 1 Therm = 1000,000 BTUs
  • 1 KWH =- 3,412 BTUs
  • Duct Loss = 20%
  • Stack Loss = 20% for 80% Efficient furnace,
    10% for 90% Efficient furnace
  • Furnace Electricity Usage = Blower and inducer