that we use a cheaper filter b/c it is thiner.
our heating bill in Jan was quite similar to last year's. it is somewhat colder this year. but it is hard to imagine that would make a huge difference. last year in Feb our gas consumption was almost exactly the same as this Jan.
our heating bill in Jan was quite similar to last year's. it is somewhat colder this year. but it is hard to imagine that would make a huge difference. last year in Feb our gas consumption was almost exactly the same as this Jan.