South Korea-based heating solutions provider Navien has released a new air-source heat pump for residential applications. “Our new heat pump is extremely quiet with soundproof insulation and can be ...

An international research team has developed a novel solar-air dual-source heat pump (SAHP) for water heating applications. The system's innovation lies in using a blower fan that enables forced ...

The author’s air-source heat pump resembles an air conditioning unit, and it pictured here alongside one of the heating oil fuel tanks. Photos by Adam D. Bearup The following story covers our recent ...