New answers tagged heating-systems
0
votes
Whats the advantage of variable speed furnace blowers?
ordinary blower fans are AC induction motors with a separate winding for each fixed speed (low, medium, high). they are very quiet, cheap to build, efficient, and are well-established in practice.
...
- 14.1k
0
votes
Accepted
Whats the advantage of variable speed furnace blowers?
Variable blowers are typically combined with variable speed air conditioning/heat pump compressors. The compressor is the major energy draw. Energy usage is proportional to the cube of the pump ...
- 6,248
Top 50 recent answers are included