Problems persisted at the outdoor unit, which includes the billboard division.

A homeowner can help keep a heat pump clean and operating efficiently by hosing off the outdoor unit every few months.

Three indoor wall-mounted units connected to a single outdoor unit.

Last year, the outdoor unit provided only 6 percent of Gannett's $4 billion in revenue.

For more modern installations where an outdoor unit is connected to multiple indoor units there are better options also available.

Another point of paramount importance is, of course, our minimal disease status - could this be maintained in a partially outdoor unit?

For a central air-conditioner, the nameplate is usually on the outdoor condensing unit.

Innovative systems are split into indoor and outdoor units.

For outdoor units some form of weatherproof lid and additional sealing around joints is provided.

Independently condition 3 separate zones with 3 indoor and a single outdoor unit.