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Pool Heaters for Inground Pools

The Best Inground Pool Heaters for All Pool Sizes, Setups, and Climates

Whether you have a compact plunge pool or a sprawling lap pool, our curated collection features top-rated inground swimming pool heaters from trusted brands, engineered for efficiency and durability.

  • Front view of AquaCal SuperQuiet 145
    Close up of AquaCal HeatWave SuperQuiet 145
    AquaCal AquaCal SQ145
    • Up to 30K gallons • 110K BTUs • 200-230 or 460 V, 60 Hz, 1 & 3 phase
    $5,435.00

    $5,435.00
  • IceBreaker SQ166R display
    AquaCal HeatWave IceBreaker SQ166R back of unit
    AquaCal AquaCal SQ166R
    • Up to 30K gallons • 126K BTUs • 200-230, 380-415, or 460 V, 60 Hz, 1 & 3 phase
    $6,262.00

    $6,262.00
  • Back panel of AquaCal SuperQuiet 225 heater
    AquaCal AquaCal SQ225
    • Up to 40K gallons • 143K BTUs • 200-230, 380-415, OR 460 V, 60 HZ, 1 & 3 PHASE
    $6,262.00

    $6,262.00
  • AquaCal T115 top of heat pump
    T115 heat pump closeup
    AquaCal AquaCal T115
    • Up to 25K gallons • 112K BTUs • 208-230 V, 60 Hz, 1 phase
    $4,442.00

    $4,442.00
  • AquaCal T135 heat pump top view
    AquaCal T135 heat pump
    AquaCal AquaCal T135
    • Up to 40K gallons • 132K BTUs • 208-230 V, 60 Hz, 1 phase
    $4,933.00

    $4,933.00
  • T55 pool heater side
    T55 heat pump angle
    AquaCal AquaCal T55
    • Up to 10K gallons • 52K BTUs • 208-230 V, 60 Hz, 1 phase
    $3,085.00

    $3,085.00
  • TC75 heat pump closeup of dial controls
    TC75 front view
    AquaCal AquaCal T75
    • Up to 15K gallons • 74K BTUs • 208-230 V, 60 Hz, 1 phase
    $3,455.00

    $3,455.00
  • T90 dial controls
    T90 heat pump front view
    AquaCal AquaCal T90
    • Up to 18K gallons • 96K BTUs • 208-230 V, 60 Hz, 1 phase
    $4,026.00

    $4,026.00
  • Front of FibroPool FH270 pool heat pump
    FibroPool FH270 pool heat pump
    FibroPool FibroPool FH270
    • Up to 15K gallons • 70K BTUs • 208-240 V, 60 Hz
    from $1,804.99

    from $1,804.99
  • Hayward H400 pool heater technical specifications
    Front of the Hayward H400 Pool Heater
    Hayward Pool Products Hayward 400K BTU Pool Heater
    Any size 400K BTUs 120 or 240 V, 60 Hz, 1 Phase
    $3,999.00

    The Hayward Pool Heater H400 is the Last Pool Heater You'll Ever Need to Buy Don't settle for a lukewarm pool experience. The H-Series sets a new...

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    $3,999.00
  • Hayward H150 Pool Heater Tech Specs
    View of front of Hayward Pool Heater H150FDN
    Hayward Pool Products Hayward H150 Pool Heater
    Up to 30K gallons 150K BTUs 120 or 240 V, 60 Hz, 1 Phase
    $2,409.00

    The Hayward H150 is the last pool heater you'll buy (unless you buy another pool) Your weekend should be for enjoying your pool, not maintaining it...

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    $2,409.00
  • Hayward H200FDN parts
    Hayward H200 pool heater front view of the unit
    Hayward Pool Products Hayward H200 Pool Heater
    Up to 35K gallons 200K BTUs 120 or 240 V, 60 Hz, 1 Phase
    $2,899.00

    The Hayward 200,000 BTU Pool Heater is the Last Pool Heater You'll Want to Buy Consider this your declaration of independence from unreliable pool ...

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    $2,899.00
  • Hayward Pool Products Hayward H250FDN
    Up to 40K gallons 250K BTUs 120 or 240 V, 60 Hz, 1 Phase
    $3,179.00

    The Hayward 250K BTU Pool Heater is for people who hate buying things twice. The Hayward H250 is the choice of people who do their homework. This ...

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    $3,179.00