It has also, more importantly, freed me from the tyranny of gas station air pumps, which I hope to never use again. Some of you are probably thinking that I should've done this years ago, and you ...

Gas pumps will fail if the flow of fuel doesn't match the gauge, if the pump has a leaky hose or incorrectly calculates the price. Gas stations can face $100 fines for each violation.

If a gas station owner insists that you have to pay for air even after you’ve used the pump, stand your ground. If that doesn’t work, here’s the form to report the station to state officials.

Instead of burning oil or gas, heat pumps use electricity to absorb heat from the air and transfer it into radiators and underfloor heating.