Heat Loss
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The Manual J Dilemma
It’s hard to get a contractor to provide an accurate heat-loss or heat-gain calculation
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Calculating Thermal Bridging in a Wood-Framed Building
An explanation of how to account for heat loss through lumber framing
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Does Wasting Home Heating Make You See (Infra)Red?
The City of Vancouver launches a program that helps homeowners find sources of wasted energy
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Who Can Perform My Load Calculations?
Most HVAC contractors don’t know how to do heating load and cooling load calculations — so what’s a homeowner to do?
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Does a Fireplace Belong in a Green Home?
An open fireplace makes for a cheerful hearth, but do their inherent inefficiencies always make them a foolish choice?
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Marc Rosenbaum Offers a Free Online Lecture
On September 4, Rosenbaum will give a free presentation on calculating heat loss to the ground
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Heat Losses Are Way More than Planned
An owner/builder in Ontario feels deflated after heat-loss calculations come in much worse than he expected — but numbers are not always what they seem
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When Do I Need to Perform a Load Calculation?
Part 4 in a series of articles on sizing heating and cooling equipment
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How to Insulate and Air-Seal an Attic Hatch
Use multiple layers of rigid foam insulation, high-quality weatherstripping, and several secure latches
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How to Perform a Heat-Loss Calculation — Part 2
Simple ways to calculate transmission losses and exfiltration losses
