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Inground Pool Heaters

All Pool Heaters

20 inground pool heaters from Hayward, Raypak, ACiQ and more. Most cost $1,885 to $5,799, and half cost less than $3,799.

Pool heaters whose title names inground pools.

We do not pick by hand: a pool heater is here because its listed specs pass the checks.

Top brands: Raypak (7)

Raypak

Heat pump, Inground and above ground

+Works for both inground and above ground pools
+Heat pump type uses electricity rather than gas
+Includes free Wi-Fi for remote fleet monitoring
$4,049.00-16%Was: $4,800.00
as of 11/04/2026 00:49 PST - Details
Raypak

Heat pump, 118000 Heating output, Inground and above ground

+Rated at 118,000 BTU heating output
+Works with inground and above ground pools
+Titanium heat exchanger for pool water
$2,599.00-16%Was: $3,099.00
as of 11/04/2026 00:49 PST - Details
Raypak

Propane gas, 400000 Heating output, Inground, Propane

+400K BTU output for heating larger inground pools
+Runs on propane fuel
+Built for inground pool and spa use
−Requires a propane supply rather than electric hookup
$3,799.00-10%List: $4,199.00
as of 11/04/2026 00:49 PST - Details
BluePlenumSpec score 8.5

Heat pump, 80000 Heating output, Inground

+Inverter: only 5 of 20 here have one
−80000 heating output: 13 of the 16 here have a higher heating output
$1,885.36-5%Was: $1,984.59
as of 11/04/2026 13:40 PST - Details
TurbroSpec score 9.0

Heat pump, 143450 Heating output, Inground and above ground

+Rated at 143,450 BTU of heating output
+Full DC inverter design for variable output
+Supports pools up to 40,000 gallons
−Requires a 240V electrical connection
$4,399.00
as of 11/04/2026 06:37 PST - Details
Hayward

Natural gas, 150000 Heating output, Inground, Natural gas

+150,000 BTU output for heating inground pools
+Runs on natural gas fuel
+Made for inground pools
−Requires a natural gas line connection
$2,999.00
as of 11/03/2026 23:21 PST - Details
RaypakSpec score 8.1

Heat pump, 33000 Heating output, Inground and above ground

+Heat pump rated at 33,000 BTU
+Inverter technology for variable output
+WiFi connectivity for remote control
−Requires a 240V electrical connection
$849.00
as of 11/04/2026 00:49 PST - Details
ACiQSpec score 8.8

Heat pump, 120000 Heating output, Inground and above ground

+120,000 BTU output for heating larger pools
+Inverter technology for variable heating output
+Works with both inground and above ground pools
−Requires a 240V electrical connection
$2,799.99
as of 11/04/2026 10:38 PST - Details
Raypak

Heat pump, Inground and above ground

+Heat pump with cool mode for pool and spa
+Works with inground and above ground pools
+Free WiFi for fleet monitoring
$4,399.00-15%Was: $5,162.50
as of 11/04/2026 00:49 PST - Details
Hayward

Propane gas, 400000 Heating output, Inground, Propane

+400,000 BTU output for fast heating of large inground pools
+Runs on propane gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
−Propane fuel requires a propane supply connection
$5,099.00
as of 11/03/2026 23:21 PST - Details
Raypak

Natural gas, 400000 Heating output, Inground, Natural gas

+400K BTU output for heating larger inground pools
+Runs on natural gas fuel
+Built for inground pool and spa use
−Requires a natural gas line rather than electric hookup
$4,298.99
as of 11/04/2026 00:49 PST - Details
RaypakSpec score 8.1

Heat pump, 28000 Heating output, Inground and above ground

+Heat pump rated at 28,000 BTU
+Inverter technology for variable output
+WiFi connectivity for remote control
−Requires a 240V electrical connection
$749.00
as of 11/04/2026 00:49 PST - Details
Hayward

Heat pump, 140000 Heating output, Inground

+140,000 BTU output for inground pool heating
+Heat pump design runs on electricity
+Heats and cools pool water
−Heat pump output drops in cold outdoor air
$6,999.00
as of 11/03/2026 23:21 PST - Details
Hayward

Heat pump, 140000 Heating output, Inground

+140,000 BTU output for heating inground pools
+Heat pump design runs on electricity
+Described as energy-efficient in its name
−Heat pump output drops in cold outdoor air
No price recorded yet.
Hayward

Natural gas, 135000 Heating output, Inground, Natural gas

+135,000 BTU output for inground pool heating
+Runs on natural gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
−Gas-fired heaters need a natural gas line connection
$2,699.00
as of 11/03/2026 23:21 PST - Details
Hayward

Heat pump, 100000 Heating output, Inground

+100,000 BTU output for inground pool heating
+Heat pump design runs on electricity
+Heats and cools pool water
−Heat pump output drops in cold outdoor air
$5,799.00
as of 11/03/2026 23:21 PST - Details
Hayward

Propane gas, 135000 Heating output, Inground, Propane

+135,000 BTU output for inground pool heating
+Runs on propane gas fuel
+Gas-fired design heats quickly regardless of outdoor temperature
−Propane fuel requires a propane supply connection
$2,699.00
as of 11/03/2026 23:21 PST - Details
BluePlenum

Heat pump, Inground and above ground

+Heat pump design uses electricity rather than gas or propane
+Works on both inground and above ground pools
+Rated for pools up to 28,000 gallons
−Heat pumps heat more slowly than gas-fired pool heaters
$3,099.00
as of 11/04/2026 13:40 PST - Details
Pentair

Natural gas, 400000 Heating output, Inground

+Rated at 400,000 BTU for inground pool heating
+Runs on natural gas fuel
+Suitable for both pools and spas
$4,499.00
as of 11/04/2026 00:37 PST - Details

Compare specs

pool heaterHeater typeHeating outputPool typeSpec scorePrice
Heat pumpInground and above groundn/a$4,049.00
as of 11/04/2026 00:49 PST - Details
Heat pump118000Inground and above groundn/a$2,599.00
as of 11/04/2026 00:49 PST - Details
Propane gas400000Ingroundn/a$3,799.00
as of 11/04/2026 00:49 PST - Details
Heat pump80000Inground8.5$1,885.36
as of 11/04/2026 13:40 PST - Details
Heat pump143450Inground and above ground9.0$4,399.00
as of 11/04/2026 06:37 PST - Details
Natural gas150000Ingroundn/a$2,999.00
as of 11/03/2026 23:21 PST - Details
Heat pump33000Inground and above ground8.1$849.00
as of 11/04/2026 00:49 PST - Details
Heat pump120000Inground and above ground8.8$2,799.99
as of 11/04/2026 10:38 PST - Details
Heat pumpInground and above groundn/a$4,399.00
as of 11/04/2026 00:49 PST - Details
Propane gas400000Ingroundn/a$5,099.00
as of 11/03/2026 23:21 PST - Details

Before you buy

Spec scores, pros and cons, and prices are explained in the How it works section of the About page.