When dirt blocks the filter, your system has to work that much harder.

The momentum usually gets to a fever pitch when the prices get high. You can bet that the members of Congress are hearing from their constituents.

They zeroed it out. Buildings use 39 percent of the total energy used in the country. There are 1.5 million new homes built. ... It's important that we have these codes in place and enforced and understood.

It's still decades away no matter how you cut it.

To be fair, the law is very complicated. However, it is the IRS's obligation to issue guidelines and give direction immediately.

It's not a huge amount.... We would have liked it to be more.