But now, through the use of modulated technology such as two-stage and variable-speed compressors, heat pumps run more efficiently and can be installed in a wider range of geographies.

The new heat pumps use R-454B as a refrigerant and are specifically designed to be matched with Johnson Controls’ residential gas furnaces. Their size ranges from 1.5 tons to 5 tons and their ...

The IDS Plus heat pump has a SEER2 of 18 and an HSPF2 of 8.5, while sound levels are as low as 56 dBa. “This system combines Bosch’s BOVB18 outdoor unit with its BVA20 two-stage x13 ECM style ...