Best Pool Heat Pumps Under $4,000

A cheap single-speed heat pump for above-ground pools up to about 13,000 gallons, for buyers who want the lowest price per BTU.

A low-cost inverter heat pump for above-ground or small in-ground pools up to about 16,000 gallons, for buyers who want app control and a longer season.

An inexpensive inverter heat pump for in-ground pools up to about 21,000 gallons, for buyers who value low running costs and quiet operation over a long warranty.

A cheap inverter heat pump for above-ground or in-ground pools up to about 20,000 gallons, for buyers who put price first and can live with a one-year warranty.

A cheap single-speed heat pump for above-ground or small in-ground pools up to about 16,000 gallons, for buyers who want the lowest price per BTU.

A low-cost inverter heat pump for above-ground or small in-ground pools up to about 18,000 gallons, for buyers who want app control and a longer season.

A 115 V heat pump for small above-ground pools up to about 6,600 gallons, for owners who want more output than a plug-in 18,000 BTU unit.

A small plug-in inverter heat pump for above-ground pools up to about 10,000 gallons, for owners without a 240 V circuit at the pool.

A plug-in heater for small above-ground pools up to about 6,000 gallons, for owners who swim in the warm months and don’t want to wire a 240 V circuit.

A compact heat-and-cool unit for an above-ground or small pool from a big-name maker, best bought through a dealer to get the longer warranty.

A compact inverter heat pump for smaller in-ground or above-ground pools up to about 20,000 gallons, for owners who want heat and cool from a 20 A circuit.

A low-priced inverter heat pump for in-ground pools up to about 22,000 gallons, for buyers who put price first and can live with a one-year warranty.

A budget inverter heat pump for in-ground pools up to about 26,000 gallons, for buyers who want large output and app control at a low price.

An efficient single-speed heat pump with a long parts warranty, for a typical in-ground pool up to about 20,000 gallons.

A low-priced 100,000 BTU-class inverter for in-ground pools up to about 28,000 gallons, for buyers who want big output without a premium-brand price.

A budget inverter heat pump in a traditional in-ground cabinet for pools up to about 22,000 gallons, for buyers who put price first.

A big, inexpensive inverter heat pump for large in-ground pools, for owners who need output and app control more than a long warranty.

A large, low-priced inverter heat pump for in-ground pools up to about 30,000 gallons, where its top discharge helps on a tight pad.