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Link to Unit Layout Specs

 

Start with a Heat Analysis!

Receive a 4 page customized detailed analysis on your  pool heating needs. This report will compare the cost to run your heat pump over other heating systems; like propane, natural gas, electric element heaters and oil boilers. It will recommend the proper heat pump size according to your geographical location, fuel cost and pool size.

Click Here for a Free Heat Siphon Heat Analysis made by U.S. Termoamp

This analysis will be performed by the manufacturer of Heat Siphon heat pumps. You will get a 24 to 48 hour response by fax or email.
You will also receive our comments and suggestions based on your application.

 

Heat Siphon Models
Model BTU COP FEATURES  
SX5.0 109,000 7.6 Titanium, Scroll
DX5.0 109,000 7.6 Titanium, Scroll, Digital  
HP5.0 122,000 6.3 Titanium, Piston  
SX3.25 80,000 7.0 Titanium, Scroll  
DX3.25 80,000 7.0 Titanium, Scroll, Digital  
HP3,25 83,000 5.9 Titanium, Piston  
HP2.25 60,000 6.4 Titanium, Piston  

Click here to go to our Price List
 

Why Titanium?
It's BULLETPROOF to Chlorine, Bromine and All Other Common Pool Chemicals!
Only commercially pure titanium tubing virtually eliminates all chemical corrosion, AND ONLY HEAT SIPHON HAS PURE TITANIUM!
Titanium Coil

HEAT SIPHON IS THE ONLY POOL HEATER EQUIPPED WITH A PURE TITANIUM , ELECTRICALLY ISOLATED HEAT EXCHANGER ON EVERY UNIT AND ALL MODELS and WE GUARANTEE THE HEAT EXCHANGER CORROSION FREE FOR LIFE!! PERIOD!!

Although Pool Heat Pumps offer up to 80% savings in fuel costs and are generally much more reliable and safer than gas pool heaters, chemical and galvanic corrosion can TOTALLY RUIN swimming pool heat pumps!

The chemicals in pool water, including chlorine, bromine and muriatic acid, can be extremely corrosive, especially when pools are shocked and very high levels of chlorine exist or if the owner lets the pool chemistry get out of balance or if chlorine tablets are put in the skimmer. Most pool heaters use copper or cupronickel heat exchangers, both of which will rapidly corrode in this water.

In the case of heat pumps, if a water heat exchanger gets a hole in it (usually due to corrosion) and pool water enters the sealed refrigeration system, the entire heat pump is ruined!! Even if the heat pump is not running, once a leak has allowed all of the freon to bleed out, the pool pump will produce enough pressure to force water into the heat exchanger and eventually into the compressor. Once water enters the compressor, its internal parts will begin to corrode since they are made of carbon steel. In addition, the copper tubing in the evaporator will also begin to corrode, especially if the water is high in chlorine or acid content (the same conditions that caused the heat exchanger to corrode.)

 

How much does it cost to operate?

 
THE LOWEST OPERATING COST OF ALL POOL & SPA HEATERS.

Using 220v electricity, based on US Dept. of Labor Average US City fuel prices, HEAT SIPHON® will cost you:
50% LESS to operate than NATURAL GAS POOL HEATERS!
80% LESS to operate than PROPANE (LP) GAS POOL HEATERS!
75% LESS to operate than ELECTRIC RESISTANCE POOL HEATERS!

IF YOU CAN AFFORD TO OWN A POOL
NOW YOU CAN AFFORD TO HEAT IT TOO!!!
 

US Fuel Cost Graph

Piston Vs. Scroll

The Heart of a Heat Pump is the compressor, which takes low pressure refrigerant gas and squeezes it, raising the pressure and temperature in the process. This hot gas then condenses at the high pressure giving off large amounts of heat for a relatively small amount of electricity to power the compressor's motor.

The more efficiently the gas is compressed, the higher the COP of the heat pump. Both piston and scroll compressor designs have some leaks and because they can't compress 100% of the gas, there are efficiency losses. Heat Siphon Scroll compressor models are about 12% more efficient than piston models.

Heat Siphon's goal has always been to design for the highest COP (efficiency) no matter which compressor type is used. When matching the compressor to maximize efficiency in a given heat pump system (the same heat exchangers, air and water flow and control valves) a scroll will have a lower heat output compared to a piston compressor picked for the same system - about 4% more on the 3.25HP models and about 12% more on the 5HP models.

According to the design performance curves, piston compressors are actually more efficient at higher air temperatures than scrolls but they lose out at lower air temperatures. Overall, scrolls are about 12-15% more efficient than the current piston compressors.

The PISTON model compressors are a classic design, more economical to purchase and they have a higher BTU Heat Output and a lower COP with slightly more noise.

 

Scroll
12% More Efficient - Quieter - Less Parts - More Durable

In a SCROLL compressor the gas is continuously squeezed and theoretically come close to 100% compression, something a piston compressor can't do because the valves get in the way.

Unlike reciprocating piston compressors with many moving parts, SCROLL compressors have only two moving parts - one scroll or spiral orbits a matching fixed scroll. The orbiting motion creates a series of gas pockets traveling between the two scrolls. On the outer portion of the scroll the pocket draws in gas, then moves it to center of the scroll where it’s discharged.

The SCROLL design allows more than one pocket of gas to be compressed at the same time providing a smooth, nearly continuous compression cycle. This enables the SCROLL compressor to operate more smoothly and quietly, with less vibration. The rating for noise is 3 to 5 decibels less than a piston compressor but our experience indicates for the HEAT SIPHON MODELS overall they are more like 1 to 3 dB quieter. In either case - PISTON OR SCROLL - HEAT SIPHON IS QUIETER THAN A POOL PUMP.

 

Piston

A piston compressor will give you more BTU's than a scroll compressor if the size of the compressor is the same. Generally you will pay a little extra when the electric bill comes though. I have never noticed any difference in reliability. Some times on big pools, or if you want your spa to heat up quicker,  I recommend the bigger piston compressors. If you want to make sure that your electric bill is the lowest possible amount a scroll is usually the way to go. Here are the sounds of some compressors. You can be the judge. Most of the time I can't tell the difference though.

Do you want to hear the difference?

Click below to hear a Scroll Compressor

Click below to hear a Piston Compressor

Analog Vs. Digital
Digital

2 BUTTONS - SIMPLE

All digital models have the Heat Siphon Digital Player Controller Built in offering many additional features and options, a sophisticated problem detection system, a 4 digit LED display and 4 discrete LED lights to provide constant MODE (POOL, SPA or AUTO-PIC) status and feedback.

The Digital Display shows water temperature, set point and error codes and alert messages while 4 status LED’s show current operation modes:

  • Green LED for POOL blinks while heating and is solid on when the pool is at temperature.
  • Yellow LED for SPA works the same.
  • Red LED blinks for alert or error codes and stays on if SERVICE is required.
  • Blue LED is on if the Player's built in PUMPJUMP feature for off cycle heating is active or shows wireless communication is occurring.

DUAL THERMOSTAT for POOL SPA COMBOs - lets you set pool & spa temperature separately and simply select either one by changing the MODE.

AUTOMATION SYSTEM READY - Digital Player has an EC MODE (external control) with screw down terminals built in to allow remote ON/OFF switching via hard-wiring to all 3rd party pool/spa controllers.

Analog

analog

Analog Models are lower cost & have a single knob, simple 24 volt series control circuit and mechanical thermostat. Many of our customers prefer the simple no nonsense design.

POOL SPA COMBO - Analog single thermostat requires manual setting to pool or spa set-point

AUTOMATION SYSTEM HOOKUP - Simple series analog 24 volt control circuit allows easy hard-wire hookup to an external controller. Just turn the thermostat up all the way to 10 and let the controller turn it on/off.

UPGRADE PATH - DIGITAL PLAYER RETROFIT KIT as an add-on are available to change your ANALOG Heat Siphon to DIGITAL if you later decide to go wireless and will provide ALL PLAYER FEATURES to analog unit

 

How does it work?

Buy 1 BTU & Get 4 (or 5*) Free Up To 600% Efficient!!

Just like a room air conditioner moves 2 to 3 units of heat from your home for every unit of electricity it consumes, Heat Siphon® uses 1 unit of electric energy to MOVE 4 (or Five) units of HEAT FROM THE AIR which delivers 5 (or Six) units of heat to your pool water. Heat Siphon® is a stand alone heat pump designed specifically for recreational water heating (in ground, on ground or above ground pools, spas, hot tubs, swim spa's, etc.). If you have an air conditioner, dehumidifier, water cooler or a refrigerator, you already own a heat pump. All these appliances use the same dependable technology to move heat from one place to another using electric power and a sealed refrigerant compression system.



  • A unit of electrical energy (you pay for) runs the compressor which sucks evaporating Freon gas from the liquid filled evaporator tube (4) . This causes a strong cooling effect (just like sweat evaporates from you skin & cools you off). The gas picks up four units of heat (FREE) from the air flowing over the outside of the evaporator tubes. The compressor squeezes this gas, causing its temperature to climb above 200°F (93°C) , Result: Five units of heat added to the gas.

  • The hot, high pressure gas flows through the inside of the condenser coil. The colder 80°F (26°C) pool water picks up the five units of heat cooling the Freon down back to a liquid.

  • The warm liquid is forced through a valve. As it drops in pressure, it rapidly expands and becomes extremely cold liquid . This liquid flows back into the evaporator at 4 where it repeats the cycle.
Specs, Physical Size & Weight Data

Heat Siphon® Swimming Pool Heat Pumps three basic sizes (2.25HP, 3.25HP and 5HP) are available in all popular voltages and electrical supply type to suit almost any country or location in the world. Both single and three phase models as well as 220v and 440v all for both 50Hz and 60Hz are available with piston or Scroll compressors.

The Following are BOXED SHIPPING WEIGHT AND SIZE for the three basic sizes. They apply to ALL VOLTAGES WHETHER SCROLL OR PISTON. For a given model size (2.25HP, 3.25HP or 5HP) there is negligible weight difference and no dimensional difference due to power supply voltage
 

CRATED
 

Model

Weight
Lbs.(Kg)

Length
Inches(Cm)

Width
Inches(Cm)

Height
Inches(Cm)

2.25HP

225 (102)

34 (86)

39 (99)

36 (91)

3.25HP

275 (125)

34 (86)

39 (99)

46 (117)

5.0HP

375 (170)

34 (86)

39 (99)

46 (117)


UNBOXED

Model

Weight
Lbs.(Kg)

Length
Inches(Cm)

Width
Inches(Cm)

Height
Inches(Cm)

2.25HP

200 (90)

32 (81.3)

38 (96.5)

31 (78.8)

3.25HP

250 (114)

32 (81.3)

38 (96.5)

39 (99)

5.0HP

350 (158)
32 (81.3)
38 (96.5)
39 (99)

Overall Boxed Dimensions: 3HP and 5HP: 34” x 39” x 46”high 2HP: 34” x 39” x 36”high Raw Unit Dimensions: (includes conduit clearance) 3HP and 5HP: 32.5” x 37” x 39”high 2HP: 32.5” x 37” x 30~31”high (highest is estimated)

Link to Specs on all Heat Siphon Models

Heat Siphon History
HEAT SIPHON HISTORY -

1982 - The first Heat Siphon made was a 3.25HP MODEL with a Piston compressor and the classic Analog 24volt control system. That was in August, 1982. Over 20 years later the Analog Heat Siphon still lives on.
During this same year the first digital watch was only 10 years old when the first Heat Siphon (Analog of course) was made. Digital was in its infancy - just 12 months before on August 12, 1981 the IBM PC was introduced. The first Heat Siphon also predates the Apple Macintosh computer which would be introduced 18 months later in the now famous January 1984 Super Bowl commercial.

1983 - The First Heat Siphon used the classic COPELAND CRK model 3.25HP PISTON compressor. It was the highest efficiency compressor available at that time. Scroll compressors would not be mass produced until Copeland introduced the scroll compressor in the late 1980's. In 1992 HEAT SIPHON shipped the first scroll compressor equipped Swimming Pool Heat Pump in the USA.

 

 

We recommend this link:
Click here to find some Heat Siphon's customer feedback and installation pictures.

 

Secure and Easy Online Shopping Basket
Orders ship out on the same day when placed before 2:00PM EST
MODEL BTU COP PRICE ORDER
Heat Siphon HP2.25  Titanium Piston 60,000 6.4

$2295.00
Delivered Price *

Heat Siphon  HP3.25 Titanium Piston 83,000 5.9

$2595.00
Delivered Price *

 


Heat Siphon 
DHP3.25
Titanium
Piston
83,000 5.9

$2795.00
Delivered Price *

 


Heat Siphon HP5.0  Titanium Piston 122,000 6.2

$3095.00
AFTER $100.00 INSTANT DISCOUNT COUPON
Delivered Price *

 

Heat Siphon DHP5.0  Digital, Titanium Piston 122,000 6.2

$3295.00
AFTER $100.00 INSTANT DISCOUNT COUPON
Delivered Price *

 

Heat Siphon SX 3.25 HP Titanium Scroll 80,000 7.0

$2695.00
Delivered Price *

 

Heat Siphon DX 3.25 HP Titanium Scroll 80,000 7.0

$2895.00
Delivered Price *

 


Heat Siphon SX 5.0 Titanium Scroll  109,000 7.6

$3195.00
AFTER $100.00 INSTANT DISCOUNT COUPON
Delivered Price *

 

Heat Siphon  DX 5.0 HP Titanium Scroll, Digital display 109,000 7.6 $3395.00
AFTER $100.00 INSTANT DISCOUNT COUPON
Delivered Price *


WARRANTY National Warranty:
2 years parts and labor, 5 years on the compressor and lifetime on the heat exchanger
Florida Warranty:
5 years parts & labor, 5 years on the compressor and lifetime on the heat exchanger

01/01/08.-This new year we have seen dramatic changes in warranties. The new warranties are posted here to make it easier for you to compare them and to help you make a better informed  heat pump choice. Some states and territories have different warranties.
Some manufacturers have not updated their websites as of today with their new warranties. Please call us if you have any questions.

BTU The quantity of heat required to raise the temperature of one lb of water one degree Fahrenheit.
COP Coefficient of Performance The higher the #  The less electricity used
PRICE We should be the lowest  delivered price on the web. Please let us know if we are not.
DELIVERED PRICE All our heat pumps are delivered to your home with a liftgate truck that will lower the heat pump to the ground for you. Each shipment is completely insured. We have an strict  NON-CUSTOMER-TORTURE policy.

We have a FREE SHIPPING offer running this week. Please visit our INTERNET SPECIALS page for more details and expiration date.

Not sure on what to choose?... let us help you decide. Click here.

Click here to view our entire INVENTORY of Swimming Pool Heat Pumps

We try to offer the lowest price on the Internet. We will try to match any competitors price, don't feel shy about asking. Buying from us should be the  friendliest, most painless, cost effective buying experience anywhere. This is our commitment to you.

 

 

This material was provided by the heat pump manufacturer