Why “heater” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
> A regular water heater needs about 12kWh a day, For reference: I’m in a household of three. Over the last month (winter, when n case that matters) we averaged 7.9kwh per day.…
by lostlogin · Sep 11, 2026
My father has a wood burning boiler connected to the same water circuit that heats the radiators as his air-water heat pump. Originally when the house was built it was a wood-oi…
by jabl · Sep 11, 2026
heat pumps just run something similar to a reverse Carnot cycle on their refrigerants and use a condenser coil to release the extra heat to the water. So for all practical purpo…
by blackjack_ · Sep 11, 2026
(Updating my previous note with insightful comments on this post) A heat pump conjures up an image of an appliance, but it is a principle of physics. Heat can be created by burn…
by thelastgallon · Sep 11, 2026
Solar water heaters (including evacuated vacuum tube) are great for efficiency, but PV has gotten so cheap and reliable that it's almost never worth a dedicated solar water heat…
by turtlebits · Sep 10, 2026
can anyone recommend the best heat pump water heater for the us market?
by fooblaster · Sep 10, 2026
Interest
Proportion of Hacker News items mentioning "heater" over time.
Mentions
Total number of Hacker News items mentioning "heater" over time.
Heating, ventilation, and air conditioning systems regulate temperature, humidity, and indoor air quality in vehicles and buildings. They are designed to provide thermal comfort and to control airborne contaminants through heating, cooling, ventilation, filtration, and humidity control. HVAC design considerations include energy efficiency, indoor air quality, maintenance, and environmental impact, particularly in green building projects. In building design, mechanical, electrical, and plumbing engineers may integrate HVAC systems with other building systems and use energy modeling to evaluate performance and operating costs. Read more on Wikipedia