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See Frequently Asked Questions

Why is it called a FPH?

It's because we like to make things as simple as we can.

The product was developed for
Free Pool Heating.

So we called it a "FPH".

And then we moved on ....
to work on more cool new heat
recovery products, instead of
wasting time debating product
names.

Simple.

Pool Heater

- Free Pool Heating From AC

titanium heat exchanger for swimming pool

The HotSpot FPH pool heater provides free pool heating by recycling the waste heat that
your air conditioner throws away.

In the process, it increases the efficiency of your air conditioner, saving up to 40% on electricity costs for indoor cooling.

The HotSpot heat recovery pool heater heats your pool for free.

It’s simple. It connects to your AC outdoor unit. It connects to your pool pump. It heats your pool for free.

Facts About Heat Recovery Pool Heating

■ Extends your swimming season to match your air conditioning season with zero pool heating costs.

■ Converts your AC into a hybrid geothermal system, saves up to 40% on air conditioning electric costs.

■ Can pay for itself in two swimming seasons or less compared to a heat pump pool heater.

■ Costs less and avoids the problems of solar panels attached to your roof. Operates day or night, rain or shine.

To place an order or ask a question: 1-800-916-2067

picture of heat recovery valve
FPH Heat Recovery Valve

According to data from the
US Department of Energy
it costs up to $1800 per
year to heat a pool
with a high efficiency
heat pump.

With a HotSpot FPH
it doesn't have to
cost anything.

The FPH pool heater is essentially a geothermal water-source upgrade for a standard air source air conditioner. This allows the air conditioner to use less electricity, increases cooling capacity, and makes the AC very quiet because the outdoor fan unit does not need to run. All of the heat goes directly into the pool.

A 4-ton air conditioner running 12 hours per day can produce over 600,000 BTU per day, equal to about 12 large solar pool panels, more than enough to heat a full size pool.

An FPH pool heater can connect to multiple AC units if desired. FPH is available through your local HotSpot dealer or if there is no dealer in your area, directly from HotSpot. Systems are available as a pre-configured kit ready for your licensed installer or HotSpot can arrange for your complete installation.

Constructed with Titanium, the FPH heat exchanger can stand up to years of harsh swimming pool chemicals.

pool heater controller

The FPH controller monitors pool temperature and AC system status, the FPH pool heater is active only when the pool needs heat.

Comparison to a Solar Pool Heater

People often compare our pool heater to solar pool heating.

Both are green, earth friendly ways to save money. Of course, the FPH pool heater saves more money than solar pool heating because of the electrical cost savings on the AC.
And, it works even when there's no sun.

But if you really think about it, the
heat that comes from the AC, comes from inside the building. How did
the heat get there in the first place?

Consider that a building is actually
a giant solar collector, sitting in the sun and collecting heat. That's why we run air conditioners in the summer, to take the solar heat from the inside and put it outside.

In the final analysis, the HotSpot pool heater is taking solar energy from inside the building and putting it in the pool.

So from that perspective, the FPH is a solar pool heater. For sure, it's a different kind of solar pool heater, but it is in fact heating the pool for free with solar energy.

HotSpot Energy LLC | 1228 Progressive Dr. #201 | Chesapeake VA 23320 | 757-410-8640