Pool Heaters in Kansas City, MO

Comfortable Water Long After the Neighbors Have Closed Up

A pool that is too cold to use in May and September is a pool you only own for half the year. KC Pool and Spa installs, services and replaces pool heaters across Kansas City, MO, along with Liberty, Raymore and Leawood, Kansas, covering both natural gas units and electric heat pumps. Sizing comes first in every job we take, because a heater matched to your surface area, wind exposure and target temperature costs less to run than an oversized unit fighting itself. Our family-owned team has held a general contractor license since 2012, we carry full insurance, and a 2-year warranty covers materials and workmanship on everything we install. Fuel line sizing, dedicated circuits, bonding and venting all get handled in-house, so nothing stalls waiting on a second trade. Send your pool volume and target season through our contact page and we will put a quote together.

Free Estimate!

For the fastest reply, call or text us 24/7 at 816-890-3537

Free Estimate!

For the fastest reply, call or text us 24/7 at

Contact Us

Pool Heaters We Install and Service

Gas Heater Installation

Natural gas units bring a pool up to temperature quickly, which suits families who swim on short notice. We set the unit on a level pad, run correctly sized supply piping, vent to code and commission the burner before handing it over.


Heat Pump Installation

Electric heat pumps pull warmth from the air and hold a steady temperature at a fraction of the running cost. Placement matters, so we site the unit with clear airflow, pour a pad and wire it to a dedicated circuit.


Heater Sizing Assessment

Surface area, average wind and how warm you want the water decide the output you actually need. We measure the pool, factor in shade, exposure and whether a cover is used, then specify a unit that holds temperature without short cycling.


Gas and Electrical Hookups

Undersized supply lines are the most common reason a new heater underperforms. Our crew runs the gas piping at the correct diameter from the meter, pulls dedicated circuits for heat pumps, and completes bonding so the installation passes inspection cleanly.


Heater Repair and Parts

Ignition faults, pressure switch failures, scaled exchangers and corroded headers all show up as a unit that fires briefly then quits. Diagnostics come before parts here, because replacing a board rarely fixes a problem that started with water chemistry or airflow.


Control and Automation Wiring

Reaching the equipment pad to change a setpoint gets old quickly. Wiring the heater into a pool automation panel puts temperature, schedules and spa mode on a wall keypad or phone app, with safe high-limit settings configured during commissioning.

    How Pool Heating Adds Comfort and Flexibility

    A Longer Swim Season

    Water that stays at 85 degrees turns a short summer into swimming from April through October. Mornings and cool evenings stop being a reason to skip the pool, and the investment sitting in your backyard earns its keep for far more weeks.

    Comfortable Water on Demand

    Guests arriving Saturday, an unexpectedly cool week, a late birthday party: heat gives you control over all of it. Gas units respond within hours, so the water is ready when plans change rather than long after you decided to swim.

    Predictable Running Costs

    Right-sized equipment holds temperature instead of chasing it, and that shows up on the utility bill every month. Heat pumps in particular deliver several units of heat per unit of electricity, which keeps a warm pool from becoming an expensive habit.

    More Use From Your Spa

    An attached spa becomes a year-round feature once the heater behind it is properly sized. Cold January evenings turn into the best reason to go outside, and the same equipment serves both bodies of water without a second purchase.

    Gentler Swimming for Everyone

    Children, older swimmers and anyone recovering from an injury last longer in water that is not fighting them. Steady warmth makes lap swimming, therapy sessions and lazy floating comfortable for the people who would otherwise stay on the deck watching.

    Equipment That Lasts Longer

    Correct installation protects the heater itself, since scale, poor airflow and low gas pressure are what shorten a unit's life. Properly vented, correctly piped and set to a sensible high limit, a heater delivers many seasons instead of a few rough ones.

    Testimonials


    See What Our Customers Are Saying!

    Heat Sized to Your Pool, Not to a Catalog

    Most homeowners who add heat report the same thing afterward: the pool finally gets used the way it was pictured when the project started. KC Pool and Spa sizes, installs and services heaters throughout Kansas City, MO, matching equipment to your yard rather than to whatever sits in a warehouse. We will say plainly when a heat pump makes more sense than gas, when a cover would do more good than a bigger unit, and when an aging heater is worth repairing instead of replacing. Nothing about this is urgent and nothing gets pushed. Use our contact page to request a quote and we will take it from there.
    Frequently Asked Questions

      What size pool heater do I need?

      Output should match surface area, not just gallons, since most heat escapes from the top of the pool. Roughly 100,000 BTU for every 10,000 gallons is a sane starting point, then adjust upward for wind exposure, shade and cover use.


      What is the difference between a gas pool heater and a heat pump?

      Gas heaters burn fuel to produce heat fast in any weather, while heat pumps move existing warmth from the air using much less energy but working slowly. Speed versus running cost is the real trade, and both are common choices.


      Do pool heat pumps work in cold weather?

      Efficiency drops as air temperature falls, and heat pumps become impractical below roughly 50 degrees. For spring and fall swimming in a climate with real winters, many homeowners pair a heat pump for daily use with gas for quick recovery.


      Do I need a bigger gas line for a pool heater?

      Often yes, because a 400,000 BTU heater draws more than a house line was sized to carry. KC Pool and Spa checks meter capacity and pipe diameter on every Kansas City, MO installation and upgrades the run when the numbers fall short.


      Should I leave my pool heater on all the time?

      Leaving it set to a target temperature usually costs less than heating from cold before each swim, especially with a cover. Weekend-only swimmers do better switching on a day ahead, since reheating a cooled pool takes longer than maintaining one.


      Do I still need a pool cover if I have a heater?

      Yes, and it is the single cheapest thing you can add. Evaporation carries away most of the heat a pool loses overnight, so a cover can cut heating costs by half and let a smaller unit keep up comfortably.


      Why does my pool heater keep shutting off?

      Short cycling usually traces to low water flow, a dirty filter, a closed valve or a failing pressure switch rather than the heater itself. Scale inside the exchanger and inadequate gas pressure produce the same symptom and need testing to separate.


      Does a pool heater need to be winterized?

      Draining the heater fully matters more than anything else, since water left in the exchanger freezes and splits it. KC Pool and Spa winterizes heaters across Kansas City, MO, clearing the exchanger, removing plugs and shutting gas off at the valve.