Air Conditioning

Air Conditioning for Humid Climates
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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

Chilling at Home
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Chilling at Home

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

Ductless Heat Pumps
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Ductless Heat Pumps

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

Conditioning Energy Recovery Ventilators
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Conditioning Energy Recovery Ventilators

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

Heat Pumps, Heat Pumps, and More Heat Pumps
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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

Commissioning a Ventilation System
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Commissioning a Ventilation System

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

Panned Bays
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Panned Bays

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

Solving for Comfort With a 'Smart' Thermostat
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Solving for Comfort With a 'Smart' Thermostat

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

Installing an ERV in a Two-Family Passive House
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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

Rookie Builder Mistakes - Part 2 - HVAC
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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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