Heat pumps operate by moving heat from lower temperature areas to higher temperature areas. They typically take advantage of an electrically driven compressor and a closed vapor compression cycle.

If defrost isn’t working, something in the chain is broken. This step-by-step approach shows you exactly where to look and what to test.

Caring for a female dog during her first heat cycle can feel overwhelming for many pet parents. It takes patience, extra care, and some know-how to keep her comfortable while keeping your home clean.

Unspayed female dogs can have their first heat cycle anywhere between 6 and 15 months of age. During heat, which happens every six months or so and lasts a few weeks, your dog can get pregnant.