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The design of hydronic heat distribution piping affects overall comfort levels, regardless of boiler efficiency. An engineer describes the pros and cons of four piping layouts for hot-water heat.
Residential hvac primer, field guide to house styles
Capturing the earth’s energy with underground heat-exchange loops can cut heating and cooling costs — if it’s done right. An hvac contractor tells what he’s learned from 15 years of installing geothermal heat pumps.
In a tight house, kitchen and bath exhaust fans can interfere with the natural draft of chimney-vented heating equipment. An energy expert explains how power vents and combustion air supply ducts can solve the problem.
Dual-coil heat pump saves on hot water
Choosing the right hvac system
Q: I have a hot-water system feeding high-temperature baseboard heaters and a low-temperature radiant slab. How should the system be set up to accommodate these separate zones?
Q: What are the advantages of hot water heating systems vs. warm air systems?
Q: I am remodeling a large, older home that is heated by a low-pressure steam system. Because of the size of the house, steam seems to be a good system to use, but the boiler is obsolete. We are adding insulation and sealed double glazing. How can I calculate the required size of the new boiler? Or...
You don’t need to pour a concrete slab to get the benefits of radiant heat. An engineer describes new approaches that combine radiant heating with conventional floors.
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