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We serve MA, NH, CT, RI, ME, VT, NJ, PA, and TX
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NuWatt designs, installs, and manages solar, battery, heat pump, and EV charger systems across 9 states. One company, one warranty, one point of contact.
Get a Free QuoteWhich is better for your home? We install both. Here's our honest, spec-by-spec comparison based on real installation experience.
The Maxeon 7 475W wins this head-to-head comparison, taking 2 out of 5 categories. It's the stronger choice for most homeowners, especially those who prioritize homeowners who want the absolute best — highest efficiency, longest warranty. That said, the REC Alpha Pure-RX 470W is still a solid product and may be the better pick if you specifically need maximum energy per square foot.

REC · Alpha Pure-RX 470

Maxeon · Maxeon 7 SPR-MAX7-475
| Spec | REC | Maxeon |
|---|---|---|
| Wattage | 470W | 475W |
| Efficiency | 22.6% | 24.1% |
| Temp Coefficient | -0.26%/°C | -0.27%/°C |
| Degradation Rate | 0.25%/yr (92% at year 25) | 0.25%/yr (90% at year 40) |
| Cell Type | Heterojunction (HJT), gapless | Interdigitated Back Contact (IBC) |
| Dimensions | 42.5 x 74.3 x 1.2 in (1080 x 1890 mm) | 42.2 x 74.1 x 1.6 in (1072 x 1882 mm) |
| Weight | 46.3 lbs (21 kg) | 47.6 lbs (21.6 kg) |
| Origin | Norway / Singapore | Malaysia / Philippines |
| Frame | Black anodized aluminum | Black anodized aluminum |
We evaluate each product across the metrics that matter most to homeowners.
Maxeon 7 475W offers a longer 40-year warranty vs 25 years.
REC Alpha Pure-RX 470W is more affordable at $1.30-1.50/W (panel only) vs $1.60-1.90/W (panel only).
Our installation crew rates both products equally at 9.5/10.
Maxeon 7 475W is more efficient at 24.1% vs 22.6%.
Both panels degrade at the same rate over time.
REC Alpha Pure-RX is our go-to premium panel. The 470W output means fewer panels for the same system size, which reduces racking hardware and labor. HJT cells have near-zero LID (light-induced degradation), so these panels produce at full rated power from day one. We recommend REC for space-constrained roofs where every watt per square foot counts.
Maxeon 7 is the Ferrari of solar panels. The IBC cells produce noticeably more energy on partially shaded roofs — we've measured 10-15% more output vs standard panels in real-world shade conditions. The solid copper backing means we've never had a micro-crack warranty claim. We recommend this for customers who plan to stay in their home 20+ years and want maximum lifetime production. The 40-year warranty is unmatched.
The Maxeon 7 475W wins this head-to-head comparison, taking 2 out of 5 categories. It's the stronger choice for most homeowners, especially those who prioritize homeowners who want the absolute best — highest efficiency, longest warranty. That said, the REC Alpha Pure-RX 470W is still a solid product and may be the better pick if you specifically need maximum energy per square foot.
Our energy advisors can help you decide between the REC Alpha Pure-RX 470W and Maxeon 7 475W based on your specific home, budget, and energy goals.
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