Heat-pump Water Heater
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FAQs on HPWHs
Even though heat-pump water heaters have been available for over a decade, there’s still confusion about their efficiency, cost, sizing, and more.
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Engineering a Domestic Hot Water System to Meet High Demand
What’s the best back-up option for a big family that always runs out of hot water?
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Residential Energy Efficiency: A Look Back on the Last 25 Years
Bit by bit, some mechanical equipment and systems have improved
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SANCO2 Heat Pump Water Heater
Some feedback from the field regarding the SANCO2 HPWH, a newer option for pros spec'ing high-performance mechanical equipment
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A Look at State Premier’s New Heat Pump Water Heater
The redesign of a previous model adds features and flexibility
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Heating and Cooling with Heat Pumps
Three types of heat pump systems—how they work, their performance properties, and suggested applications
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The BS* + Beer Show: Hot Water Systems
It's time to think beyond the tank to see hot water systems as a holistic network of components
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The Benefits of a Heat-Pump Water Heater
A case study demonstrating the worth of all-electric water heaters
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How to Get Rid of Water Heater Sulfur Smells
The science behind smelly water heaters and a sure-fire solution to the problem
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Energy Upgrades on a Budget
A homeowner looks to replace a water heater and HVAC system as part of an efficiency overhaul
