Air Conditioning

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Air Conditioning for Humid Climates

Balancing cooling with humidity control is a tough job in the coastal South. A... More

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Sizing Air Conditioners

To avoid callbacks, many hvac subs size air conditioners using methods that inflate the cooling load. The result is an oversized unit that cools the air, but operates inefficiently and does a poor job of reducing indoor humidity. Three energy engineers explain how to achieve proper cooling without oversizing. More

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Chilling at Home

Ductless mini-splits offer efficient cooling and outstanding dehumidification,... More

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Ductless Heat Pumps

These easily installed units offer flexible sizing and high efficiency at moderate... More

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Conditioning Energy Recovery Ventilators

Adding a heat pump lets an ERV help with heating, cooling, and humidity control. More

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Heat Pumps, Heat Pumps, and More Heat Pumps

Heat pumps were the hot topic at last week’s Building Energy 14 conference, hosted... More

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Slideshow: Brooklyn Passive House Mechanicals

Here’s a sneak peek at the Mitsubishi ducted mini-split heat pump and Zehnder energy recovery ventilator roughed-in at a Brooklyn, New York, passive house retrofit we’ve been following. More

Air Conditioning Instruction

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Commissioning a Ventilation System

Commissioning is not a word we hear much in residential construction, but it's a... More

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Panned Bays

Is it OK to use a joist bay for a return-air plenum in an HVAC system? More

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Solving for Comfort With a 'Smart' Thermostat

Tracking temperature, humidity, set point, and equipment runtime can uncover the... More

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Installing an ERV in a Two-Family Passive House

JLC’s Coastal Connection goes on site in Boston, Mass., where Placetailor is... More

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Rookie Builder Mistakes - Part 2 - HVAC

Let’s start with some obvious mistakes that aren’t even visible to most builders... More

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