My furnance is about 44 years old (coleman).ha....! It is runing
good now, only thing is I am paying about $375 a month just for gas in
winter. But In summer it comes around $55. because we only use hot
water. oh ya, my house is about 2000-2500sq feet.
My question is, Is there anyway doing maintaince for furnance and
reduce my gas bill? or do I really need to buy a new furnance? Whats
the right BTU for 2000-2500sq feet house?
I would appreciate If anyone could give me some information or
Thank you very much
Faced with the same situation 2 years ago, I oped for a new 96%
efficient furnace and 18 seer AC unit. I've never regretted it. It will
take a few years to recover the ~5k it cost at a few hundred per month,
but as energy costs escalate, maybe not so long. The main thing is that
the house is more comfortable at less cost per month. As to maintenance
on your old one; if you have central air, the coil in the furnace
plenum probably needs cleaned and that will seriously restrict air
flow. Also use the cheap filters, the expensive ones are too
restrictive, jut buy a case and change them once a month
On the coldest days in the winter, how much of the time does your current
run? I believe about 75% is a reasonsible amount. Furnace btu ratings are
the energy of the gas used. A more efficient furnace will put out more of
this heat. For example if your old furnace was 60% efficient it would put
out 72,000 btu/hr. Likewise a new 90,000 btu/hr 80% efficient furnace would
put out 72,000 btu/hr. These are ball park estimates. See what several
HomeOwnersHub.com is a website for homeowners and building and maintenance pros. It is not affiliated with any of the manufacturers or service providers discussed here.
All logos and trade names are the property of their respective owners.