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Lake Heat Exchanger
Lake Heat Exchanger
Lake Heat Exchanger

Lake Heat Exchanger

$8,519.06

Designed as a heat source/sink for APOLLO geothermal systems

Sets

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  • USA/CAN Shipping
  • 30 Day Return
  • Active Support
  • Since 2008
  • Submersible Heat SourceDesigned for submerged use in lakes, ponds, or reservoirs.
  • Marine-Grade Stainless SteelBuilt with AISI 316 Stainless Steel for ultimate underwater durability.
  • Silent, Passive OperationEnjoy highly efficient heat transfer with zero noise and low maintenance.
  • High-Pressure ReliabilityFeatures a 3" manifold for even distribution, rated up to 100 psi.
  • APOLLO System ReadyPerfectly engineered to pair with 4T or 6T APOLLO Geothermal Systems.

Product details

    Lake Heat Exchanger – Geothermal Water Source Heat Exchanger

    High-efficiency submerged heat exchanger designed for geothermal systems, using natural water sources like lakes and ponds to deliver stable and reliable thermal exchange.

     

    Key Benefits

    • High-efficiency heat transfer using natural water bodies
    • Passive operation with no moving parts for silent performance
    • Durable AISI 316 stainless steel construction for corrosion resistance
    • Low-maintenance design ideal for long-term use
    • Eco-friendly solution reducing energy costs and carbon footprint
    • Customizable for multi-module installations with optimized headers

     

    Specifications

    • Material: AISI 316 Stainless Steel
    • Plate Size: 6' x 7' (1.85m x 2.30m)
    • Ports: 1-1/4" flanged NPT (inlet/outlet)
    • Manifold: 3" for pressure distribution
    • Operational Pressure: 100 psi
    • Operational Flow: 9–11 GPM
    • Installation: Submerged in lakes, ponds, or reservoirs
    • Operation: Passive, silent, no moving parts

     

    For multi-module setups, custom headers can be designed to match your project’s layout—saving time, reducing installation costs, and improving system efficiency.

    Customer Success Stories

    Quote Icon

    Heats my home nicely and economically. The cold weather does not seem to affect the pump. Overall I'm very happy with the system. The techs have been very helpful whenever I have had questions regarding installation, etc.

    Reliable Heating in Cold Weather

    Economical performance that isn't affected by low temperatures.

    Reliable Heating in Cold Weather

    Reliable Heating in Cold Weather

    Features
    Specs
    Reviews/Q&A

    Lake Heat Exchanger

    • High-Efficiency Heat Transfer

      Exceptional thermal performance for geothermal heat pumps by leveraging natural water sources.

    • Durable Construction

      Built with corrosion-resistant AISI 316 stainless steel for a long service life.

    • Quiet, Passive Operation

      Operates without fans or moving parts, ensuring silent and low-maintenance performance.

    • Eco-Friendly Solution

      Drastically reduces carbon footprint and utility costs by using natural water.

    • Easy Installationy

      Compact and designed for direct submersion in lakes, ponds, or reservoirs.

    • Geothermal System Compatible

      Specifically engineered as the ideal heat source/sink for APOLLO geothermal systems.

    Built for Durability

    Constructed from premium AISI 316 stainless steel, this heat exchanger is engineered to withstand corrosion and mechanical stress, ensuring reliable, long-term performance. Its robust design guarantees a maintenance-free solution for your geothermal system.

    Silent & Efficient

    Unlike traditional dry coolers, this system operates without any moving parts or fans. It runs silently and passively, requiring minimal upkeep while providing maximum efficiency as a thermal bridge between your heat pump and the natural water source.

    Sustainable Geothermal

    By using a natural body of water as your primary heat source or sink, this exchanger significantly lowers your energy consumption and carbon footprint. It is the perfect interface for a low-carbon, high-performance geothermal system.

    Seamless Integration

    Designed to seamlessly replace traditional ground loops, this product connects directly to your APOLLO geothermal system's closed-circuit hydronic piping. Its compact form factor and simple submersion design make installation straightforward and efficient.

    • It is wonderful, we finally made it work. I have to say that Allan and Jesus are wonderful.
      ★★★★★

      Jocelyne,

      A Happy Customer
    • The quality is very impressive! Don't over pay for other brands. Allen, Jesus and the MBtek team are very helpful both before and after the sale. Thank you for the great experience guys.
      ★★★★★

      Todd,

      A Happy Customer
    • Product arrived well packed, and undamaged.
      Customer service was great! Very helpful over the phone. Looking forward to doing more business in the future.
      ★★★★★

      Greg,

      A Happy Customer

    Frequently asked questions

    Where can I find a dealer?

    You can speak directly with one of our sales agents via phone, email or text message for more information.

    Who will install my heat pump?

    Mbtek does not complete the installation. Any HVAC professional will be able to install your purchase. If you require assistance finding one, we are here to help.

    Where can I find parts?

    Here We have spare parts ready to ship the following business day.

    When will I receive my unit?

    As soon as the unit is in stock, we will book the shipment following business day. The availability (or ETA) of a specific unit is mentioned on the top of each product page. Depending on your location, delivery can take anywhere from 3 to 12 days

    Do I have to pay customs fees if my unit is coming from another country?

    No. We take responsibility for these charges.

    Are your products shipped in the U.S. or Canada?

    It varies for each product. However, we have warehouses in Pennsylvania (U.S.), Alberta (CAN), and Quebec (CAN).

    What is the product warranty?

    The compressor includes a 5-year warranty.

    Need an installer?

    We made it easy for you.

    Please note that listed installers are independent contractors and not employees of MBTek.
    They are skilled professionals familiar with our products and capable of efficient installation.

    Any Questions?

    Reach out to us

    Technical Specifications

    Basic Information:

    Specification Value
    Material AISI 316 Stainless Steel
    Plate Size 6' x 7'
    Ports 1-1/4" flanged NPT input and output
    Operational Pressure 100 psi
    Operational Flow 9-11 GPM
    Manifold 3" for pressure distribution

    Reviews

    Customer Reviews

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    Technical & User Manuals

    This documentation covers many of the topics of interest to end-users and maintenance staff. For any additional inquiries, contact us.

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