While many of those R-22 systems have been replaced with R-410A units, a large installed base still remains, meaning that technicians will have to know how to troubleshoot and service both types of equipment for many years to come.
The baffling element of the Omnibus spending bill passed by Congress in December 2015 was the lawmakers’ decision to extend residential and commercial tax credits for solar photovoltaics and big wind through 2021, while allowing similar incentives for ground source heat pumps and other “orphaned” technologies to die on the vine.
Frost on an evaporator coil will prevent the correct amount of airflow across the coil. Anytime the evaporator coil experiences reduced airflow across its face, there will be a reduced heat load on the coil.
Air-source heat pump sales are heating up. This is evidenced by the latest Air-Conditioning, Heating, and Refrigeration Institute (AHRI) shipment numbers, which identified that heat pump shipments were up more than 14 percent in March 2018 when compared to March 2017.
Due to advancements in technology and efficiency and the swelling consumer awareness, ductless equipment continues to be one of the fastest-growing sectors throughout the HVACR industry.