To see examples of heat pumps installed correctly, please see our Photo Gallery
For more information, please visit plug and play heat pump.
Ensuring Optimal Water Flow Rate
Many pool heat pumps list the necessary water flow rate in their specifications. If the flow rate is insufficient, the water inside the heat pump will overheat, causing the system to shut off.
Verify the flow rate from your pool pump and through your filter to ensure it meets the requirements of your heat pump.
Keep in mind that each pool pipe size has a maximum flow rate that cannot be exceeded regardless of the pump's power. Larger heat pumps may not achieve sufficient flow through smaller pipes like 1.5” pipes. For guidance, please contact us.
We offer water flow meters to help you measure the flow rate through your pipes. Check our "Accessories" section for more details. Regularly backwash your pool filter to maintain an adequate flow rate.
Creating a Solid Base for Your Heat Pump
A level and sturdy base is crucial for the heat pump. You can use a concrete base, paving slabs laid on sand, or timber decking.
The vibrations from the heat pump are minimal and won't disturb paving slabs. Installation can be above or below water level, provided the pool circulation pump can deliver the necessary water flow rate.
We offer mounting feet and lightweight slabs for elevating and stabilizing the heat pump, which also help reduce noise and vibration. Consider the condensation water that will drip from the unit, especially in humid conditions, when designing the base. Holes can be made in timber decking to allow drainage, preventing water damage and rot.
Some heat pumps have a water outlet tube to direct condensation to a specific location, or you can attach a hose to divert it.
Ensuring Adequate Electrical Supply
Before purchasing a pool heat pump, check the running and peak currents listed for your desired model to ensure your electrical supply can support them.
A dedicated cable from your electrical panel and a breaker is often recommended for the heat pump. Most heat pumps have a brief higher demand when starting, so a breaker slightly larger than the startup current and a type “D” circuit breaker are commonly used. For “sensitive” supplies, an optional “soft-start” feature can help manage startup current spikes.
Use armoured cable to prevent damage and run it to a rotary isolator switch within 1 meter of the unit for easy power control. Professional electricians should complete electrical work, ensuring proper earthing and RCD protection.
Most homes use a single-phase supply (230-240v), while larger properties may have a three-phase supply (380-415v). Ensure your equipment matches your supply type.
We also offer custom-designed electrical control boxes. Contact us for more details.
Effective Pool Plumbing Integration
Adding a heat pump to your existing pool plumbing system is straightforward. First, identify your pipe sizes (usually 1.5” or 2” in the UK and 50mm in Europe). Check the markings on pipes and fittings for accurate sizing.
If you have an existing heater, integrate the heat pump in line to take advantage of both systems for rapid heating. Installing a “bypass” configuration with three valves allows isolation and flow rate adjustment for optimal performance, especially for winter maintenance to avoid freezing damage.
The heat pump is typically the last in the water flow before returning to the pool, except with chlorination units to prevent heat exchanger corrosion.
Scaling Up with Multiple Heat Pumps
For large pools, using two or more heat pumps in series or parallel can enhance heating efficiency. For larger-scale installations, consult us for the best configuration advice.
Indoor Heat Pump Considerations
While outdoor installation is preferable, indoor installations are possible with adequate fresh air supply. For vertical fan models, ducting can vent air through building walls. Horizontal models need wall holes in line with the fan for expelled air.
Ensure air circulation to prevent recirculation and accommodate fresh air intake. Indoor pool setups can benefit from dehumidification but may require additional air heating.
Unique Needs of Indoor Pools
Indoor pools have specific requirements for dehumidification and air heating. The air temperature should be slightly warmer than the pool water. We offer units from Heatstar and Calorex for a comprehensive solution, including air heating, dehumidification, fresh air inlet, and pool heating.
Two main options include standalone dehumidifiers or integrated all-in-one units. Contact us for detailed system design and equipment selection services.
Heat Pumps for Hot Tubs and Swim Spas
Heat pumps are increasingly popular for hot tubs and swim spas due to their cost-efficiency compared to electric heaters. They can be plumbed into existing spa circuits, with the electric heater retained as a backup for extreme cold conditions.
For optimal setup, the water should flow through the heat pump before reaching the electric heater. Contact us for further assistance in integrating heat pumps with your spa or hot tub.
Showcasing Installation Examples
Below are photos from our Photo Gallery of installations using our heat pumps:
Heat Perfector 20kw installation in Essex, UK, with insulated pipework and a bypass system for winter drainage.
Heat Siphon unit installation in South France, 2009:
Heat Perfector 32kw unit
For additional examples, visit our Photo Gallery.
Professional Installation Services
We offer comprehensive installation services for pool heat pumps, conducted by qualified electricians and heat pump engineers. Available throughout most areas of the UK, our team ensures installation according to manufacturer guidelines.
For installation quotes, please contact us.
Need Assistance?
If you have any questions about installing your heat pump, email us at enquiries@heatpumps4pools.com or use our online chat facility.
HotSpot Heat Recovery Water Heater Frequently Asked Questions
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HotSpot Heat Recovery Water Heater Frequently Asked Questions
How much can I save?
Depending on your location and usage patterns, you can achieve up to 98% savings on annual water heating costs with air conditioning, with 70% being more typical. For constant cooling loads like walk-in coolers, the savings can reach 100%. Payback usually occurs within 2-3 years.
How does HotSpot work?
HotSpot captures waste heat from your refrigeration, freezer, or air conditioner compressor and recycles it into your hot water tank, providing free hot water. Click for a detailed explanation of the HotSpot heat reclaim unit.
How hot will the water get?
Water can reach temperatures up to 180°F, depending on the compressor/refrigerant used. Typically, it will limit to 140°F to prevent scalding.
How many gallons of hot water will I get each day?
Production varies with the system size and duty cycle, making between 50 to 150 gallons per day for residential systems and up to 10,000 gallons for commercial systems. Accurate projections can be calculated based on specific information.
Where can heat recovery be used?
Applicable to refrigeration systems using reciprocating, rotary, or screw type compressors, including newer BLDC compressors. Ideal for hotels, restaurants, grocery stores, hospitals, schools, and residential use.
Can I use it to heat a swimming pool?
HotSpot's all-copper heat exchanger isn't suitable for pool water. However, HotSpot provides an FPH (Titanium) heat exchanger designed for pools, offering significant heating efficiency.
Does HotSpot work with newer high-SEER units?
Yes, even high-SEER units must remove the same amount of heat per ton of capacity. Efficiency is related to electricity usage, not heat removal.
Can I see some sample installation diagrams?
Yes, we have a complete set of diagrams available – click here for more information.
Will it work with my existing compressor?
HotSpot guarantees compatibility with any compressor, from residential to large commercial systems. We offer systems up to 2,200 tons.
Will it work with my existing hot water tank?
Yes, HotSpot is compatible with all hot water tanks. We often recommend a pre-heat tank for improved efficiency and capacity. Special tank adapters are available for easy connections.
Does HotSpot enhance compressor performance?
Yes, it reduces compressor load, shortens run times, and can boost system efficiency, potentially increasing a 13 SEER system to 16 SEER.
What is the warranty?
HotSpot offers a 10-year limited warranty on the heat exchanger and a one-year warranty on other components. The pump has a two-year warranty, and the replaceable cartridge costs under $100.
Does installing HotSpot void my warranty?
No, installing HotSpot won’t void your warranty. It may extend the system's life by lowering the head pressure.
What's included with HotSpot?
The system includes all necessary labor and materials for connection and installation. Click here for details.
How does HotSpot compare to solar water heating?
Although solar water heating offers similar benefits, HotSpot usually pays for itself up to three times faster due to its lower initial cost and no maintenance requirement. See more on comparing heat recovery to solar.
Why haven't I heard of this before?
Heat recovery systems have traditionally been used in large-scale commercial applications. HotSpot is now making these systems accessible and cost-effective for smaller energy users.
How can I get a HotSpot?
HotSpot is available across the USA and in over 70 international locations through our network of dealers. Contact us for connections to your local representative.
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