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Radiant heating on the lake.

What makes a good residential HVAC system?

Older houses leaked and, to a degree, are uncomfortable and energy inefficient.  We may think a cold room is standard in houses or a wood boiler needs to heat our house to 26C in the winter. We get use to opening windows in winter to get some fresh air in the house, or even cool […]

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10 Circuit Header

10 Ton Header

This is not really about a 10-ton header, this is about the issues one needs to think about in header design. This is a picture of a 10-ton header we built.   Now the header is for a residential property, with a bunch of (expensive) ball valves fused in line. Commercially, an engineer would likely […]

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Heat Pump Peformance Data

Why Rating a GeoExchange Heat Pump on Tonnage is a Bit of Bunk

We hear this all the time: “My heat pump is 4 tons”. “I need a 5 ton unit for my house”. This is based on the 12,000 btu’s = 1 ton of heat pump capacity. Also many manufacturers (almost all) label their units in a manner that suggests the unit capacity of their heat pump1: […]

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