We have the latest and free efficiency coupon codes, discounts and promotion codes to give you the best savings. To use a coupon, simply click the coupon code and enter the code when checking out at the store.
5% OFF for Order Over $200 [Expires: 31 May 2024]
Users cannot use multiple discount codes on a single purchase. [Expires: 31 May 2024]
8% OFF for Order Over $500 [Expires: 31 May 2024]
Buy 1, Get 5% Off Each! [Expires: 31 December 2024]
Buy 2 or More, Get 8% Off All! [Expires: 31 December 2024]
Buy 2 or More, Get 8% Off All! [Expires: 31 December 2024]
7% OFF for all solar panels [Expires: 31 December 2024]
$199.99 for lithium iron battery [Expires: 31 July 2024]
CLICK TO GET DEALChristmas Sale: Save up to $809 on various solar solutions and have the chance at additional discounts of 5% off, 10% off, $20 off, $50 off, or an extra $100 off when you Spin to Win! [Expires: 25 December 2023]
CLICK TO GET DEALPresidents’ Day Executive Deals: Save Up To 41% On 10+ Select Products! [Expires: 25 February 2024]
CLICK TO GET DEALUsers cannot use multiple discount codes on a single purchase. [Expires: 31 January 2024]
New Year’s Event: Save big on our favorite solar solutions of 2023! [Expires: 01 January 2024]
CLICK TO GET DEALSuper Bowl Kickoff Sale: Huge Savings On 10 Select Products! [Expires: 14 March 2024]
CLICK TO GET DEALEnd of Summer Clearance Sale: Save up to $250 on select solar products! [Expires: 17 August 2023]
CLICK TO GET DEAL7% OFF for all solar kits [Expires: 20 August 2023]
Labor Day Storewide Sale: Save Up To 40% On All Products! [Expires: 04 September 2023]
CLICK TO GET DEALFall Harvest: Buy More, Save More! Up To 20% Off On Select Solar Panels [Expires: 28 September 2023]
CLICK TO GET DEALHalloween Storewide Sale: Save Up To $340 On All Products! [Expires: 05 November 2023]
CLICK TO GET DEALChristmas Countdown: Save up to $809 on various solar products and spin to win additional savings of either $20 off, $50 off, 5% off, or 10% off your order! [Expires: 23 December 2023]
CLICK TO GET DEALChristmas Countdown I: Save up to $809 on various solar products and unlock bonus gifts, Spend $99 – get a set of free UZ Mounts, Spend $199 – get a set of free UZ Mounts + 30ft Extension Cable, Spend $299 - get a set of free UZ Mounts + 30ft Extension + 30A PWM Controller! [Expires: 13 December 2023]
CLICK TO GET DEAL100W 12V Mono Semi-Flexible Solar Panel New Release Sale: Save $30 for a Limited Time! [Expires: 15 October 2023]
CLICK TO GET DEALCyber Week Storewide Sale: Save up to 60% storewide and receive additional discounts of $10 off $200, $50 off $500, and $150 off $1000! [Expires: 03 December 2023]
CLICK TO GET DEALHurricane Season Sale: Get up to $250 off on 10+ solar products! [Expires: 17 September 2023]
CLICK TO GET DEALThanksgiving Storewide Sale: Save up to 60%! [Expires: 23 November 2023]
CLICK TO GET DEALHQST Global Limited [Expires: 20 August 2023]
Black Friday Sale: Save up to 60% Storewide + $200-$10, $500-$50, $1000-$150! [Expires: 25 November 2023]
CLICK TO GET DEALCamping Flash Sale: Enjoy 20% Off On Select Products! [Expires: 11 August 2023]
CLICK TO GET DEALPrime Week Sale: Enjoy Solar Panel Bundle Deals! [Expires: 12 November 2023]
CLICK TO GET DEALSummer Fiesta Sale: 30 Solar Products On Sale! [Expires: 31 July 2023]
CLICK TO GET DEALSave $20 for every $400 spent on Halloween! [Expires: 31 October 2023]
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