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A Case Study in Converting from Two-Pipe Steam to Hydronic Heating

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Ground-Source Heat Pumps Gaining Ground

Author: Ted Rieger

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July 01, 1994

Ground-source heat pumps (GSHPs), also called geothermal heat pumps or ground-coupled heat pumps, are gaining popularity as efficient space-conditioning systems. [continue reading]

Looking for a Few Good Contractors

Author: Jim Clark

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July 01, 1994

When it comes to heating and cooling systems, consumers are concerned with comfort, as well as price, according to an independent study. Contracting Business magazine wanted to determine what consumers want from their heating and cooling systems. [continue reading]

Some Like It Hot

Author: Alan Meier

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March 01, 1994

Almost everybody knows when they are cold, but it is difficult to predict an individual's thermal comfort for a particular set of conditions. [continue reading]

Downsizing Steam Systems

Author: Henry Gifford

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November 01, 1993

Most steam heating systems in use today are oversized, and downsizing those systems can deliver attractive savings. [continue reading]

Don't Force Air, Go with the Flow

Author: David Springer

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November 01, 1993

In our efforts to improve forced-air distribution systems, alternatives to forced air are often overlooked, but hydronic heating systems are an attractive option that can deliver superior efficiency and comfort. [continue reading]

Integrated Heating and Ventilation: Double Duty for Ducts

Author: Mark A. Jackson

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May 01, 1993

Building codes in Washington state and Bonneville Power Administration's specifications for new residential construction require mechanical ventilation systems. [continue reading]

East Meets West: Gas-Fired Heat Pumps

Author: Nance Matson

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September 01, 1992

As the 1990s unfold, look for a new kind of energy-efficient heating and cooling appliance-a heat pump powered by an internal combustion engine that runs on natural gas. [continue reading]

Once Heated, Twice Used

Author: David Bohac

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July 01, 1992

Dual-integrated appliances-water heaters used to provide both domestic hot water and space heating-have seen increased use in recent years, primarily in the warmer climates of the mid-Atlantic states. [continue reading]