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.
Questions?
Ready To Get Started?
Get more information or order our Evacuated Tube Collectors:
Frequently Asked Questions:
The Science of Evacuated Tubes
The science of evacuated tubes. Short introduction on how they work.
Part 2 of this webinar series.
How to change or replace heat pipes in evacuated tube collector
Quick video on how to replace your evacuated tube heat pipes (replace or to remove if you have issues with producing too much heat!) .
AVAILABLE NOW
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 | LEARN MORE | LEARN MORE |
AVAILABLE NOW
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 | LEARN MORE | LEARN MORE |
AVAILABLE NOW
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 | LEARN MORE | LEARN MORE |
Evacuated Tube
Solar Collectors
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ThermoPower™ 20 Tube Evacuated Tube Collector
10 Year SunMaxx Warranty
1″ NPT Connections
Manufactured since 2006
OG-100 Certified
20 Tube Evacuated Tube
Drainback or Closed Loop System -
ThermoPower™ 30 Tube Evacuated Tube Collector
10 Year SunMaxx Warranty
1″ NPT Connections
Manufactured since 2006
OG-100 Certified
30 Tube Evacuated Tube
Drainback or Closed Loop System -
DIY Solar Hot Water ThermoPower™ VTS 15 Tube / 40G Thermosyphon by SunMaxx
10 Year SunMaxx Warranty
3/4″ Female NPT Connections
Suitable for 1-3 people
Manufactured since 2006
OG-300 Certified – Certified for Solar Tax Credits
40 Gallon integrated storage
No… -
DIY ThermoPower™ VTS 30 Tube / 80G Thermosyphon Solar Hot Water Kit for Hot Water
10 Year SunMaxx Warranty
3/4″ Female NPT Connections
Suitable for 3-5 people
Manufactured since 2006
OG-300 Certified – Certified for Solar Tax Credits
80 Gallon integrated storage
No… -
ThermoPower™ 20 Tube Vacuum Direct Flow Solar Collector
10 Year SunMaxx Warranty
1/2″ NPT Connections
Manufactured since 2006
OG-100 Certified – Certified for Solar Tax Credits
20 tube evacuated tube with direct flow
Suitable for commercial… -
ThermoPower™ 30 Tube Vacuum Direct Flow Solar Collector
10 Year SunMaxx Warranty
1/2″ NPT Connections
Manufactured since 2006
OG-100 Certified – Certified for Solar Tax Credits
30 tube evacuated tube with direct flow
Suitable for commercial…
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