Although heat pumps are significantly more efficient than boilers, electricity prices are much higher than gas, meaning that the air-source pump systems have proven a more costly heating method ...
One key difference between this and an air-source heat pump is that this one can only ... growing in popularity because they offer greater efficiency than traditional electric resistance water ...
LOUISVILLE, Ky. — Midea has launched a heat-pump water heater (HPWH), which the company describes as an advanced solution designed to provide efficient water heating for homes across North America.