Question: What Size Pool Heater?

How do I know what size heater I need for my pool?

The pool’s surface area divided by three gives you the minimal BTU size recommended for that particular surface area. Continuing the example above with the 15 x 30 pool, after dividing by 3, you get 150. Therefore, the minimum size heater that is recommended for a 15 x 30 pool is 150,000 BTUs.

How many BTUs do I need for a 20000 gallon pool?

20,000 gallons x 8.3 lbs / gallon = 166,000 lbs of water that needs to be heated. Since it takes one Btu to heat one pound of water by a single degree, we now know that raising this entire 20,000-gallon pool by one degree will require 166,000 Btu of heat energy.

Can a pool heater be too big?

A pool heater can be undersized: if it cannot replace the heat lost through evaporative cooling, the pool’s temperature will fall below the ideal. However, there is no such thing as oversizing a pool heater. The larger the heater’s output, the faster it heats the water in the pool, and it will not begin short-cycling.

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How many Btus does it take to heat a 40000 gallon pool?

For pools of up to 20,000 gallons, small heat pumps like the Hayward 95K BTU output are suitable. Pools up to 30,000 gallons should look at the AquaCal 120K BTU or higher, and 40,000 gallon inground pools should look at models like the Pentair 140K BTU.

What is the average life of a pool heater?

You can expect a gas or heat pump pool heater to last 8 to 11 years, with an average of 10 years. Regular usage and maintenance is key to a longer lifespan.

What is the best heater for a pool?

Best pool heaters 2021

  1. Pentair 460737 MasterTemp: Best propane pool heater. (Image credit: Pentair )
  2. EcoSmart Smart Pool 18: Best electric pool heater.
  3. Hayward HeatPro HP21404T: Most economical pool heater.
  4. Hayward H-Series H250FDN: Best natural gas pool heater.
  5. SmartPool SunHeater S120U: Best solar pool heater.

Should I run pool heater overnight?

Conclusion. It is not advisable to heat your pool at night because of the time and energy it will consume. You’re advised to heat your pool during the day for more efficiency, and if you can, buy a solar blanket to retain the temperature of your pool.

How fast will a pool heater heat a pool?

How Fast Will a Pool Pump Heater Heat My Pool? It depends on a few things to determine how long it takes a heat pump to heat a pool. However, overall a heat pump generally heats a pool after 24 to 72 hours by 20-degrees Fahrenheit.

How much does a pool heater cost to install?

Pool Heater Pricing On average, to install or replace a pool heater it’s going to cost you between $1,000 and $4,000. Installation alone can start at $500 and run up to $1,000. The average pool heater costs nearly $3,000 for the heater and installation.

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What size pool heater do I need for a 40000 gallon pool?

EXAMPLE: To raise the temperature to a 40,000 gallon pool 2o per hour, the heater should be approximately twice the capacity of a Model DR or F650-WP – selecting a Model CLM150-WP (1,500,000 BTU).

How do I choose a pool heater?

Choosing the perfect pool heater will depend on where you live and what type of heat source is available to your home.

  1. If you live in the north with access to natural gas, choose a gas heater.
  2. If you live in the north with no natural gas, invest in a heat pump.

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