Evacuated Tube Solar Collectors

Evacuated Tube
Solar Collectors

SunMaxx’s ThermoPower™ evacuated tube solar collectors are an industry-leading line of solar collectors that have been independently tested and certified to provide maximum performance and value.

  • SRCC OG-100 Certified For Guaranteed Performance

    All of our collectors are SRCC tested and OG-100 certified, meaning that you can buy with confidence in the fact that our products will deliver the performance you pay for.

  • Network Of Dedicated, Professional Installers

    We have trained and certified more than 3,000 independent solar hot water installers and service professionals, both across the United States around the world, ensuring that professional help for your SunMaxx Solar thermal system is never more than a phone call away.

  • Residential Domestic Hot Water & Radiant Systems

    Our evacuated tube collectors are great for a variety of residential solar heating applications, including: traditional hot water systems, radiant/space heating, and pool/spa heating.

  • Commercial & Municipal Solar Heating Systems

    Our evacuated tube solar collectors are in use in commercial, municipal, educational, and military solar hot water and heating systems of every shape and design, across the United States and around the world.

Related Documents & Downloads

Sizing Help:

Please be sure to use our flat plat collector accessory calculator to calculate the needed accessories for connecting into each solar collector.

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Frequently Asked Questions:

The science of evacuated tubes. Short introduction on how they work.

Part 2 of this webinar series.

Quick video on how to replace your evacuated tube heat pipes (replace or to remove if you have issues with producing too much heat!) .

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VHP Evacuated Tube Collectors

Evacuated Tube Solar Collectors are extremely efficient and cost-effective; particularly in colder climates, where other solar collector designs suffer from reduced performance and a variety of other problems due to their lack of freeze protection. Evacuated Tube Collectors, unlike other designs, are extremely well-protected from low temperatures, leading to efficiencies of over 70% even in sub-zero climates, ensuring your water stays hot no matter how cold the weather is.

  • Suitable for industrial & process heating
  • Certified for federal solar tax credits
  • Modular & easy to install
Model ThermoPower™-VHP20 ThermoPower™-VHP30
Dimensions (in) 70.2" x 79" 102.9" x 79"
Gross Collector Area (sqft) 37.4 56.4
Net Aperture Area (sqft) 21.4 32.1
Weight (lbs) 170 252
Flow Rate (GPM) 0.56 0.84
# of Tubes 20 30
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VDF Evacuated Tube Collectors

SunMaxx Evacuated Tube Solar Collectors are designed to efficiently provide hot water for a number of applications, in a wide variety of climates and locations. SunMaxx customers use the SunMaxx VDF30 for domestic hot water radiant heating and pool/hot tub heating every day at residential, commercial/industrial, and municipal locations.

  • Mount flush or vertical
  • Glass tubes & manifold pre-assembled
  • Certified for federal solar tax credits
Model ThermoPower™-VDF20 ThermoPower™-VDF30
Dimensions (in) 60" x 64.7" 87.4" x 64.7"
Gross Collector Area (sqft) 26.95 39.33
Net Aperture Area (sqft) 19.26 28.84
Weight (lbs) 115 170
Flow Rate (GPM) 0.4 0.6
# of Tubes 20 30
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VTS Evacuated Tube Collectors

Our DIY residential solar hot water systems are complete, ready-to-install packages that will provide affordable and efficient solar hot water in regions where cold weather isn't often seen. Each system includes a high-efficiency solar collector and integrated water storage tank for an effective combination of simplicity and affordability.

Our DIY residential solar hot water systems are complete, ready-to-install packages that will provide affordable and efficient solar hot water in regions where cold weather isn't often seen. Each system includes a high-efficiency solar collector and integrated water storage tank for an effective combination of simplicity and affordability.

  • No moving electric motors
  • Certified for federal solar tax credits
  • Easy to install as DIY solar hot water system
Model ThermoPower™-VTS15HP ThermoPower™-VTS30HP
Dimensions (in) 60" x 90" 109" x 90"
Gross Collector Area (sqft) 24.5 47.9
Capacity (G) 40 79
Weight (lbs) 143 265
Flow Rate (GPM) 0.3 0.6
# of Tubes 15 30
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Evacuated Tube
Solar Collectors

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