The case was against an asbestos consultant following work at a film studios in which heating contractors were exposed.

If possible, a heating contractor should also check the system, since bleeding should not be required that often.

A heating contractor familiar with the installation of electric heating units should be able to correct this.

If in doubt as to where this vent valve is, check with a heating contractor or plumber.

The best defense, experts say, is annual inspection by a heating contractor or a technician from the local gas utility.

His father, a heating contractor and salesman, ended up as a delivery man for Paychex, but at 81, he had slowed down.

Moreover, the heating contractor may not want to go forward unless the removal was done under license.

However, if plumbing is hidden, consult a licensed plumbing and heating contractor.

I was locking the house back up when a heating contractor drove up in a big Ford van.

"We're still in the beginning stages," says Jim Wetteroff, a heating contractor who is club president.