How to buy the best gas pool heater?

Yes, this article is all about to guide you to find the best gas pool heater. If you are planning of buying the best gas pool heater then stay reading. This article is written to know you all the fundamental to advance things that you need to consider while taking buying decision.

Gas heaters are you’ll find among the most popular pool heaters. This is because gas heaters are fast and handy in a short time when you need your pool or spa primed.

A typical pool gas heater can heat spa water within 15 minutes to the ideal temperature as opposed to a heat pump that requires up to 45 minutes and solar heaters much longer.

In fact, in all types of conditions, a gas heater heats your water; dry, cold, or wet, which is not feasible for a solar heating device you choose to cool your pool in the cool.

Gas heaters use natural gas or propane to build fire in an exchanger with heat coils that heats water on the way to the pool.

You have to be very careful on the scale of the boiler at BTU when choosing a gas heater. If you decide to heat water in a huge pool or spa, you require bigger BTU Gas Heaters, the bigger the pool is the more you need a larger BTU gas heater.

Smaller BTU natural gas heaters don’t heat wider pool water quicker and are better even if you have or choose to set up a small hot tub and hold hot water all the time like in the winter seasons or cool days.

Selection of Gas Heater According to Types and Working Criteria

Gas heaters for pool work with propane or natural gas. When a combustion chamber fires, water passes into a heated conduit and heats the gas before returning to the tank.

Two types of heaters come in: natural gas and liquid propane. Your choice will simply depend on the availability of natural gas and/or liquid propane in your area, and the cost of each. Similarly, the heaters themselves are priced.

If you already have natural gas in your home you can use it for your pool heater. Otherwise, you’ll need to buy a big propane tank, install it in your backyard and always fill the tank full. If using propane, please notice that it can be more than twice as costly as natural gas.

According to the variation of materials, there are three types of gas pool heater


The copper gas generator is the most common heat exchanger material and is suitable for use in any chemical-balanced and well-maintained pool or spa.

However, copper heat exchangers have low chemical resistance to damage and are easily oxidized to cause metal stains when used for long periods without treating or removing copper metals that accumulate in your pool water.

Copper heating systems are not appropriate for saltwater pools because of poor chemical harm resistance: saltwater pools are considered to have high calcium rates issues which may allow calcium scales on the copper heating system to limit their performance.


Cupro-Nickel Gas Heater comes with cupro-nickel heat exchangers that have very strong corrosion and staining resistance induced by high chlorine or low pH and saltwater.

Compared with the base copper heater, the Cupro-Nickel gas heater will cost a little extra dollars but with great functionality worth your money.

Due to their strong chemical tolerance to damage from saltwater, cupro-nickel gas heaters are widely recommended for saltwater pools.

3. ASME COPPER Gas Pool Heater

The heat exchanger ASME Copper is constructed of thicker copper heat conductors and is certified by ASME. ASME copper heat exchangers are fast and powerful heaters because of their size and are the perfect choice for commercial pools.

Things Need to Consider Before Buying Heater For Pool

i) Size of a Heater

Some considerations include the size of a heater. A heater is essentially designed according to the pool surface area and the variance between the water and average air temperatures.

We do want to glance at the rate of precipitation, temperatures at night, and wind direction. When you have higher weather, cold nights, and weak rainfall, you’ll want to find a bigger heater.

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Smaller heaters are slower to heat and would have to operate more, transferring more of the profits to higher operating costs from importing them. Bear in mind that the larger the heater in the shower, the easier it can heat the bath, saving on energy costs.

Taking into consideration when fitting a gas heater if your pool has a shield, or whether you use the heater very occasionally. Installing wind blocks will reduce pool heater demands and will also impact the size of the heater you may require.

ii) Efficiency

To assess a heater’s energy quality, modern heaters go through a regular check to find out the performance of their BTU (British Thermal Unit). Efficiency is the combination of energy consumption and available output: what’s going in and what comes out.

Most gas heaters show their percentage of output on their name sheets. The supplier of a pool heater will also have a percentage of its output.

iii) Manufacturing

When you’re searching for a brand that offers price, make sure it’s crafted from strong, reliable materials. Make sure the system comes along with a Cupro nickel tubing and heat exchanger for this.

This will also come with polymer or resin headers for improved output and much more durability under different conditions.

What are the benefits of using Gas pool heater?

i) That is ideal for colder temperatures since, in cold weather, they will heat pools in a limited period. Gas heaters may be turned off so the pool will still be heated at short notice, but this will result in high electricity costs.

ii) Gas heaters will not require much area on the current concrete pad and take up a fairly low footprint. Gas heaters will operate either on propane or natural gas. This makes them flexible because depending on what works for your home and area, you can choose either type.

iii) The gas heaters warm up the water even more rapidly and effectively than any other form of heater. Such heaters can operate everywhere at any time and can still heat the water without problems.

iv) A gas heater will in no way be a concern. Installation is easy, does not cost very much, and can last much without any maintenance.

1.What is the heater installation process?

i) Pick a Heater Position

While finding an appropriate spot, bear in mind the clearance distances you need for secure operation across the device and to its sides.

However, these distances will depend on your heater’s size and model so be sure to check the manufacturer’s instructions for the information you need.

You should also keep it as close as possible to the filter. Plan to mount it within 2 to 5 feet of the pipe.

ii) Water Channel into the Heater

Switch off the filter before activation, and continue plumbing the heater by calculating the gap from the filter’s return valve to the heater’s inlet valve. There the PVC pipe is cut and attached to this length. It would help in channeling the cooled water to the boiler.

iii) Pass over Hot Water into the Pool

Measure and cut another section of PVC tubing, then connect it from the heater outlet valve to the swimming pool water inlet. This puts warm water into the tub. Use a plumbing compound to secure those pipes and joints tightly.

iv) Link the Gas and Electric Power Line

Before you hook up the gas lines to the heater, make sure that you check with your regulatory authorities, since some locations require professionals to install gas connections. They are also likely to have to be checked until the pipes are pressurized.

If not, mount a shut-off valve at the end of the gas pipe and extend a flex gas line to the heater inlet from there. Then attach your heater’s 120 Volt plug to an electric socket. Place a cover over your outlet to shield it from cold, then plug in the heater.

v) Validate the Settings

After you have completed your installation and setup, you should test the unit to make the necessary modifications. First, turn the pool filter back on, then switch on the heater and slightly raise the thermostat temperature. A fan blows before the heater sets on. Check that a blue flame has on the heater.

Soon after you turn the heater on, the temperature in the pool should increase.

Most units have flow sensors that detect water pressure and disable it from turning on if the water drops to a certain level, but the best way to avoid accidents is to keep the power off when the pool is not in service.

2. How much a heater cost?

A standard gas heater can cost from 600 to 500 dollars, which is a big difference from an electric, heat pump, or solar heater, which can cost up to $ 5500.

The installation cost of a pool gas heater is also very affordable. Installing a gas heater costs up to $ 600, although an electric one can cost up to $ 1700, while solar panel installation costs more than $ 3000.

 gas pool heater

 Although gas pool heaters are more affordable than other versions, they can be expensive in the long run, especially the propane type. Electric heaters may in some cases be more expensive or more expensive than gas heaters, although heat pumps and solar panels are relatively inexpensive.

Gas heater equipment costs between $ 700 and $ 3000 depending on installation. If you can afford a high-quality and energy-efficient heater and professional installation, go for it.

It is expensive but more reliable in the long run.

3. How to repair a heater for pool?

If your heater doesn’t work properly then you should hire a professional technician to repair that as soon as possible. Some of the basics are given below for repairing heater.

i) First increase your water temperature if your heater is not turned on and make sure your heated pool is set to a temperature higher than the water temperature. If the temperature is not an issue, make sure the gas supply valve is on and the pilot is lit.

ii) If your pilot is not light, it is usually due to low gas pressure, poor air supply, or improper venting. Inspect the heater pilot hoses and look for debris blocking the path. You also want to check that the vents are in good condition and that there are no heater floods.

iii) There are many reasons for a gas heater leak. You may have a damaged heat exchanger, it may be due to low temperatures, or you may have gasket leaks or loose connection. We recommend checking the gaskets first as they are cheap and simple repairs.

iv) If you have a water flow problem and your heater is cycling before reaching the specified temperature. Check if your filter is dirty and your valves open properly. If the water flow feels good, you may need to change your pool’s thermostat.

4. Are gas pool heaters safe?

Modern gas heaters have many safety features, such as ignition protection, voltage regulator, water pressure release valve, and automatic shut-off control that ensure they are very safe in operation.

They are harmful when misused as any heating device.

Gas heaters emit carbon monoxide and should be carefully ventilated when outdoors and placement should be considered when climbing the road.

Adequate ventilation is important and it is important to ensure that debris does not form around the external heater. They require cleaning inside and the annual service is well advised by a professional gas engineer.

5. Is it normal to smell gas from a pool heater?

It is not common to smell gas from a pool heater. If this occurs, a leak of any defect in the entire system will develop.

6. Do I ever need to keep my heater pool ?

Yes, you can leave it on 24/7 as long as your pump stays the same period.

7. How much natural gas does a heater use?

For natural gas, you can calculate 1 thermal per hour for 150,000 thermal hours. For a standard 420,000 BTU pool heater, this is 4.1 thermal per hour. Natural gas currently runs around 50 1.50 per therm, so keep an eye on this site as the price of natural gas fluctuates, so that the cost of natural gas to the state is low.

Finally, I would like to tell you that a gas heater for pool is a good option if you live in a cold area. This is because the heater works flawlessly compared to other types of heaters. This is also reasonable since it saves electricity costs.

It works well with natural gas, it also reduces the chances of unwanted exposure and you can enjoy your swimming experience in the pool appropriately.

You can also use it for the above pool. So buy these types of pool heaters to enjoy a gentle mess-free bath experience.

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