Crosswind 40i Swimming Pool Heat Pump Review: Functions as a Pool Chiller to Cool Down Water

Where the Crosswind 40i Fits

Raypak Crosswind 40i 33,000BTU Heat Pump heats water at a rate of 33,000BTU for owners of smaller pools or spas.

Maintaining a consistent pool temperature requires a system that can efficiently transfer energy, a task handled by the inverter compressor in this unit. Using an inverter compressor allows the pump to adjust its output rather than running at a constant, high-energy speed.

The Raypak Crosswind 40i achieves this efficiency while utilizing a spiral titanium heat exchanger to ensure the internal components withstand chemical degradation. It is a practical choice for users seeking a balance of modern compressor technology and high-grade materials.

We evaluated 29 swimming pool heat pumps and selected this model as one of 15 for a full review because it was among the most-rated products that passed screening, with 48 buyer ratings. Our review is based on a spec breakdown of the products we evaluated.

The Short Answer on the Crosswind 40i

Best for: you who need a pool heat pump with WiFi connectivity and a titanium heat exchanger for a small spa or a very small pool.

The Crosswind 40i is a capable choice for these requirements at the $1299 price point.

• Pro: The titanium heat exchanger provides resistance to corrosion and chemical degradation over time.
• Pro: Built-in WiFi allows for remote monitoring and control of the heating and cooling cycles.
• Pro: The inverter compressor adjusts its speed to maintain consistent temperatures more efficiently than fixed-speed models.
• Con: The 33,000BTU heating capacity is insufficient to heat a 5,000 gallon above ground pool.
• Con: This unit lacks the power to maintain a large pool temperature overnight during cold nights.

Don’t buy this if: your pool volume exceeds 3,000 gallons, as the 33,000BTU output will fail to raise the water temperature effectively.

Price assessment: The $1299 price is fair for a unit featuring an inverter compressor and titanium components.

For a smaller setup, view the AQUASTRONG HEX012-001 spec breakdown.

The Specifications That Matter

The 33,000BTU Heating Capacity measures the rate of heat energy transferred into the water per hour.

Before You Buy: Swimming Pool Heat Pump Checklist

The first thing to check is the heating capacity to ensure the unit can heat your specific pool volume.

• ✓ Confirm the heating capacity is at least 40,000 BTU for a 5,000 gallon above ground pool — otherwise, the unit may run 24/7 and fail to raise the temperature during cold nights.
• ✓ Verify the operating voltage is 208/230V — if your current circuit provides 110V, you will need to hire an electrician to upgrade the wiring before installation.
• ✓ Measure your available space to accommodate a footprint of 39.02 x 13.39 x 25.87 inches — choosing a unit too large for your yard layout will result in a forced return or an impossible installation.
• ✓ Check your plumbing pipe diameter to ensure it supports the flow rate required for heat transfer — improper flow creates a pressure drop that prevents the water from reaching the desired temperature.
• ✓ Budget for the $1,299 price point — choosing a lower-capacity unit that cannot reach your target temperature results in a wasted purchase that fails to heat the pool.

You should not buy the Crosswind 40i if you need to heat a pool larger than 5,000 gallons or require a heating capacity above 33,000 BTU.

Performance: What the Specs Deliver

Dual Heating and Cooling Functionality

The Crosswind 40i provides heating and cooling for a pool or spa, which means you can maintain water temperatures in both summer and winter. The 33,000BTU heating capacity allows the unit to transfer heat into the water at a specific rate per hour. Because this capacity is lower than the 40,000 to 60,000 BTU range typically required for a 5,000 gallon above ground pool, this unit is better suited for smaller spa applications or very small water volumes.

The chiller function allows you to lower water temperatures during peak summer heat. Since the unit is rated for both heating and cooling, you can use it to offset high ambient temperatures. Because the 33,000BTU figure is also below the 40,000 to 150,000 BTU range needed for standard pool heating, you should verify your specific pool volume to ensure this output meets your requirements for temperature maintenance.

How an Inverter Compressor Improves Pool Heat Pump Efficiency

The Crosswind 40i uses an inverter compressor, which is a motor that can vary its speed to match the heat demand of the water. This technology allows for more consistent temperature maintenance compared to fixed-speed models that only operate at one power level. By adjusting its output, the inverter compressor helps maintain a steady temperature rather than cycling on and off frequently.

Using an inverter compressor helps manage the energy load of the system. While many pool heat pumps use standard compressors, the 8 of the 29 screened listings that state they use inverter technology offer this variable speed capability. For your setup, this means the unit can provide the specific amount of heat needed at any given moment, which is useful for maintaining a steady temperature throughout the day.

Why a Titanium Heat Exchanger Protects This Swimming Pool Heat Pump

The Raypak Crosswind 40i 33,000BTU Heat Pump features a spiral titanium heat exchanger. Titanium is a metal known for its high resistance to corrosion and chemical degradation in water systems. This material choice helps the unit withstand the harsh environment of a pool or spa where chemicals and minerals are constantly present.

The titanium construction is a significant durability factor because it resists the pitting and scaling that can degrade lesser metals over time. Since 15 of the 29 screened listings state they use titanium, this is a common standard for high-quality heat exchangers. This material choice supports the long-term operation of the heat exchanger as it transfers heat between the air and the water.

Common Buyer Jobs Checked Against the Crosswind 40i’s Specs

The Crosswind 40i against the jobs buyers ask about, worked out from its listed heating capacity and a typical need for each job.

Researching options? Find the best swimming pool heat pump for inground pools here.

How the Crosswind 40i Compares to Other Pool Heat Pumps

The Crosswind 40i provides a higher heating capacity than the 30,000 BTU V7 Plus and the XKP2207BP models, offering 33,000BTU of thermal power.

• The 30,000 BTU V7 Plus Pool Heat Pump is $199.01 cheaper than the Crosswind 40i.
• The Crosswind 40i offers a higher 33,000BTU heating capacity than the 30,000 BTU of the XKP2207BP.
• The EU-PLC57100-E 22,462 BTU Pool Heat Pump is $200 more expensive than the Crosswind 40i.
• The DOEL Swimming Pool Heat Pump provides a larger 44000BTU heating capacity than the 33,000BTU of the Crosswind 40i.

If you need a different brand, see our full KSPF-005L3R1A1 Heat Pump review.

Beginners can learn more by reading how a swimming pool heat pump works.

From Delivery to First Use with This Pool Heat Pump

Setting up your Crosswind 40i

You need a 208/230V power supply to run the Crosswind 40i before you can begin the installation.

1. Unpack the unit and place it on a level surface near your pool’s plumbing.
2. Connect the PVC piping to the unit’s inlets and outlets to transport water from the pool to the heat pump.
3. Install a flow switch to ensure the unit does not run without water circulation.
4. Verify the 208/230V electrical connection matches your local circuit requirements.

Warranty and support: what to check

Warranty coverage and return policies differ by seller and country.

• Confirm the titanium heat exchanger is free of surface defects, as this component is vital for resisting corrosion.
• Verify the inverter compressor operates without unusual noise, as it is the primary engine for heating and cooling.
• Check that the LCD display clearly shows the digital control readings to ensure the system is responding to your inputs.

Turn the unit on and run it for 30 minutes to confirm it reaches the desired temperature while a return is still possible.

The Crosswind 40i: Remaining Questions

Raypak Crosswind 40i 33,000BTU Heat Pump

The Raypak Crosswind 40i provides 33,000BTU of heating capacity, which measures the rate of heat energy transferred into the water per hour. This output is sufficient for smaller bodies of water, but it is not enough to heat a 5,000 gallon above ground pool or a 15,000 gallon inground pool, which require 40,000 to 60,000 BTU and 100,000 to 150,000 BTU respectively. If you need to maintain a large pool temperature overnight, the 33,000BTU limit means this unit will fall short of the 80,000 to 120,000 BTU required for that task.

This pool heat pump uses an inverter compressor, a system that adjusts its speed to provide variable output, to manage water temperatures. It also features a spiral titanium heat exchanger, which uses titanium to resist corrosion and chemical degradation over time. The Crosswind 40i operates on a 208/230V power supply, which is the electrical pressure required to power the system. Will this unit provide enough cooling for a large pool? No, the 33,000BTU capacity is not enough to provide heating and cooling for a pool, which typically requires at least 40,000 to 150,000 BTU.

Does the Raypak Crosswind 40i 33,000BTU Heat Pump have WiFi?

Yes, the Raypak Crosswind 40i 33,000BTU Heat Pump states it has WiFi connectivity for remote operation. This allows you to manage the pool temperature via a network connection rather than manually adjusting the digital control.

What is the heating capacity of the Raypak Crosswind 40i 33,000BTU Heat Pump?

The Raypak Crosswind 40i 33,000BTU Heat Pump provides 33,000BTU of thermal power. This specific capacity is suitable for smaller spa applications but is not enough to heat a 5,000 gallon pool which requires a higher BTU output.

Is the Raypak Crosswind 40i 33,000BTU Heat Pump compatible with 110V outlets?

No, the Raypak Crosswind 40i 33,000BTU Heat Pump requires a 208/230V power supply to function. You must confirm your property has a dedicated high-voltage circuit before ordering, as it cannot run on a standard 110V household outlet.

What material is the heat exchanger made of on the Raypak Crosswind 40i 33,000BTU Heat Pump?

The Raypak Crosswind 40i 33,000BTU Heat Pump uses a spiral titanium heat exchanger. Titanium is used to provide resistance against corrosion and chemical degradation in the pool water.

Is the Crosswind 40i Right for You?

Who the Crosswind 40i suits and the jobs it is the wrong choice for, listed below with the reason for each.

Where to Buy This Swimming Pool Heat Pump

When we looked in November 2026, the Crosswind 40i was listed at $1299 – a snapshot that may have changed since.

Swimming pool heat pumps are sold by the retailers below – we do not track which of them has the Crosswind 40i in stock, so check availability and the current price with the retailer before making a trip.

• Home Depot (online and physical stores) — large selection of major brands and in-store pickup options
• Lowe’s (online and physical stores) — wide variety of residential models and local store support
• Amazon (online only) — massive selection of brands and easy price comparison
• PoolSupply.com (online only) — specialist retailer with extensive technical knowledge
• Les Schwab Pool & Spa (online and physical stores) — specialist retailer with professional installation and service
• Costco (online and physical stores) — bulk purchasing options and membership pricing
• Wayfair (online only) — broad range of residential pool heating products

Final Verdict on the Crosswind 40i

If you are trying to determine if your backyard pool will stay warm during a cold night, the 33,000 BTU heating capacity of the Raypak Crosswind 40i is the primary figure to consider. This unit provides a specific rate of heat energy transferred into the water per hour, but it is not enough to heat a 5,000 gallon above ground pool, which requires at least 40,000 to 60,000 BTU.

You should choose the Raypak Crosswind 40i if you need a swimming pool heat pump for a small spa or a very small pool where 33,000 BTU meets your requirements. This model is available for around $1,299.

The Crosswind 40i features a spiral titanium heat exchanger, a material used to resist corrosion and chemical degradation over time. It also uses an inverter compressor, which allows for variable speed operation to manage energy use.

The Crosswind 40i includes WiFi connectivity for remote operation and an LCD display for digital control. It is designed to provide both heating and cooling functions for the water.

You should choose the Raypak Crosswind 40i if you need a pool heat pump for a small spa or a very small pool where 33,000 BTU meets your requirements. This model is available for around $1,299.

The 3.9 rating from 48 buyer ratings serves as the final data point for this selection, reflecting the experiences of those who have purchased this specific model.

Skip it if: You need to heat a pool larger than 5,000 gallons or require a system capable of maintaining a large pool temperature overnight, as the 33,000 BTU capacity falls short of those needs.

You might also consider our review of the Vidapool VTX016.