Jon Harrod

Jon Harrod is a writer, HVAC project manager, and building science consultant based in Ithaca, N.Y.

High-Demand Heat-Pump Water Heater
The LG Inverter Heat Pump Water Heater uses advanced inverter technology to ramp up or down in response to hot water demand, maximizing energy savings.
Duhumidifying With Heat-Pump Water Heaters
Dehumidification is listed as a selling point for HPWHs, but are they actually effective at lowering humidity?
Controlling Mold in Minisplits
Humidity problems or leaks can be caused by clogged drain pans, broken condensate lines, or out-of-level units. But if mold issues persist, dehumidification is key.
Furnace to Heat Pump Retrofit
With proper load calculations, equipment selection, installation, and commissioning, you may be able to save energy and money while cutting emissions from fossil fuels.
Inflation Reduction Act: Energy Upgrades and Tax Credits
Explore the details of this landmark legislation and learn how it can benefit homeowners and contractors.
Upfront Carbon Emissions in Home Construction
Choosing materials and methods that lower upfront emissions is key to reducing our climate impact.
Wall Sleeve for Minisplit Penetrations
Fibrous insulation is hard to seal on exterior walls when installing heat pumps. These plastic tubes can help.
Critical Details for Ductless Heat Pumps
Trouble-free performance begins with properly installed line sets that pass rigorous testing for leaks.

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Jon Harrod

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