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5% OFF
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5% Off + Free Shipping

To kick off November, thanking YOU for helping make Massachusetts 1 in energy efficiency. Save 5% and receive free shipping use promo code at checkout
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15% OFF
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15% Off Sitewide At Efi

with code to get up to 15% off at checkout limited time only at efi - Limited Time
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10% OFF

Now'S The Time To Get 10% Off Our Newleaf Bulbs

Need lightbulbs? Now's the time to get 10% off our NewLeaf bulbs. Use code when checking out
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10% OFF
Limited Time 

10% Off All Water Saving Products On The Mass Save Online Store

Using water-saving products can save water and energy - 're heating that water. For a limited time, use the promo code and get an additional 10% off all water saving products on the Mass Save online store
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Sale

Use Code At Checkout

Would like to upgrade yr lighting w/ LEDs & reduce yr energy use? To save money, offering big discounts on selected LEDs for home or workplace in the $2 to $4 range per light. Enter this promo code
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$10 OFF
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Discount Of $10 Off + Free Shipping

extra $10 off, score an instant win with coupon code . for just 8 more days, get $10 off and free shipping on philips smart bulbs: save more at poweredbyefi.org
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Sale

Use Code On All Orders Over $12

sale as Low as $12, score an instant energy-saving win before heading back to school. get an led desk lamp and advanced power strip for just $12 use coupon code at
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10% OFF
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Get 10% Off At Efi

enjoy 10% off, from showerheads to faucets aerators, gwp is having a sale! checkout our marketplace and get 10% off all water products! use promo code
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$50 OFF
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Discounts Range From $20-$50 Off

To celebrate, smart thermostats are on sale in our Marketplace through 10/12! Discounts range from $20-$50 off
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Free Shipping
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Free Shipping

Choose a bundle, save a bundle! We're offering an easy way to save energy with our EndofSummer Bundle Sale. Shop our online marketplace + choose from a variety of options - including LED bulbs + smart thermostats - til September 20th + get free shipping
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$75 OFF
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Get A $75 Instant Rebate On All Brands

Labor Day Sale event! Get a $75 instant rebate on all brands and models of smart thermostats in the TEP Marketplace, plus extra discounts on certain models. Smart thermostats can reduce your cooling and heating costs with ease. Sale ends Sept
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$2 OFF
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$2 Off The Tricklestar 7-Outlet Advanced Power Strip

Advanced power strips have sensors to tell them when plugged-in devices are turned off & eliminate power so they can't continue to use electricity. Now through 7/26, NH customers can save an additional $2 off the Tricklestar 7-outlet advanced power strip
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$145 OFF
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May 25 - June 2, Save Up To $145 On Select Thermostats Instantly

This Memorial Day, Liberty and NHSaves are offering instant rebates plus discounts on select smart thermostats. May 25 - June 2, save up to $145 on select thermostats instantly. Don't wait! The promotion will only be open while supplies last
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60% OFF
Verified Limited Time 

60% Off For A Limited Time

Don't let dust, pollen, and other pollutants enter your home this spring. Be prepared with an ENERGY STAR certified air purifier. Your Energize CT sponsor EversourceCT is offering 60% off for a limited time. Order by 3/29
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$10 OFF
Verified 

Up to $10 Off

$30 instant rebate + $10 discount = save $40 on select ENERGY STAR certified dehumidifiers on the Mass Save online store, thru March 29
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$70 OFF
Verified 

Don'T Miss This Opportunity To Save Up To $70 On Smart Thermostats

FOMO day . Today is your last chance to participate in our Black Friday sale. Don't miss this opportunity to save up to $70 on Smart Thermostats
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Sale
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Now Through August 13 Purchase The Google Nest For Only $9.99 & The Google Nest Learning For $89

Now through August 13 purchase the Google Nest for only $9.99 & the Google Nest Learning for $89* plus receive a free Google Home Mini with your purchase - only on the NJNG Marketplace *Terms & conditions apply
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$100 OFF
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$100 On A Smart Thermostat

Thursday is the last day to take advantage of the MassSave Online Storefront's 4th of July thermostat sale! In honor of Independence Day, receive an instant rebate of up to $100 on a smart thermostat
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15% OFF
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Get 15% Off

Get 15% off select water-saving products on the MassSave Online Storefront
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$50 OFF
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Receive $50 Off Nest Learning

Take advantage of the Flash Sale happening now on our Online Marketplace. Receive $50 off Nest Learning and $30 off Nest E thermostats from now until April 10. Shop and start saving today
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$70 OFF
Verified 

$70 Off A Google Nest Learning Thermostat And $30 Off A Nest E

$70 off a Google Nest Learning Thermostat and $30 off a Nest E. Bring it on winter, Mass residents always come prepared to save. Offer ends December 4
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$174 OFF
Verified Limited Time 

Get $174 Off

NJNG customers: Get $174 off three-piece limited time bundles that include a Nest Learning or Nest E smart thermostat, a Nest Protect and a Google Home Mini through October 31 - only on the NJNG Marketplace
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$100 OFF

Receive Extra $100 Off At Efi, Save Now!

enjoy $100 off, happy earth day from all of us at cape light compact! in honor of earth day, nest is offering extra discounts on their thermostats. pair that with a $100 rebate from cape light compact extra discounts
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$50 OFF

Up To $50 Off, Plus Free Shipping

Check out the current smart thermostat discounts on the Mass Save online store - up to $50 off, plus free shipping
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10% OFF

Select Energy Star Rated Air Purifiers Are 10% Off On Our Website

Select ENERGY STAR rated air purifiers are 10% off on our website! Shop now before they are gone
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$150 OFF
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Enjoy Extra $150 At Checkout Limited Time

get discount of $150, receive up to $150 off nest thermostats purchase them through our online marketplace. this offer ends on april 30
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Sale

Sale $169, Shop Now!

orders only $169, mass. residents: did know buy energy efficient things with a big discount, paid for by surcharges on your energy bills? if so, did know buy them at with rebate already applied? wifi thermostat: $169 $69 12 led bulbs $5 & more
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$100 OFF

Extra $100 Off Plus Free Shipping

get up to $100 off, visit our new online marketplace and receive $100 off smart thermostats and free shipping on all products
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$95 OFF
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Take Up To $95 Off Select Items At Checkout At Efi

extra $95 off, buy two sets and get a free 30ft hose and gun
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50% OFF
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Enjoy Extra 50% Off At Efi

get discount of 50% off your first purchase sitewide at efi, save today
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$132 OFF
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Enjoy $132 Off

$132 off sitewide at efi
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50% OFF

50% Off Sitewide Limited Time Only At Efi

extra 50% off, have switched over to led bulbs yet?traditional incandescent light bulbs use an excessive amount of electricity,give off heatand have to be replaced much more frequently. checkout our gwp marketplace to save 50% off of led bulbs now
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$100 OFF

We Offer A $100 Rebate

Keep your home comfortable no matter the season with an ENERGY STAR certified Smart Thermostat! We offer a $100 rebate. Apply the rebate as an instant discount through the Mass Save online store
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Sale

return within 2 days

products must be returned within 2 days, have any questions, please contact the merchant
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$120 OFF
Limited Time 

Offering Up To $120 In Instant Discounts On Smart Thermostats

Looking for the best We're offering up to $120 in instant discounts on smart thermostats. Save energy, save money, & keep your home comfortable - for less. For a limited time, shop Black Friday savings now on our Online Marketplace
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$129 OFF
Limited Time 

Get A $129 Google Nest Thermostat For Only $49 Plus Free Shipping

Hey Virginians, the world is your oyster and as luck would have it - I've got a pearl of a deal ! Get a $129 Google Nest Thermostat for only $49 plus free shipping! Limited time only so shuck yours now
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10% OFF

Learn About The 10% Off Offer

Is your house starting to feel a little stale in the winter air? Visit to learn about the 10% off offer and $10 rebate on ENERGY STAR certified air purifiers
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$30 OFF

Save $30 -$50 On The Tep Marketplace

For EnergyEfficiencyDay today, we celebrate saving energy, reducing pollution and creating jobs. Shop our EEDay2022 sale to save big on smart thermostats. Save $30 -$50 on the TEP Marketplace: Find ways to reduce energy: https: t.co/Cep1IFrZuD
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$50 OFF
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Enjoy Discount Of $50 Off

enjoy extra $50 discount for a limited time at efi
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$70 OFF

Save Money Now And Energy For Years To Come With $70 Off

The gift that keeps on giving. Save money now and energy for years to come with $70 off a Google Nest Learning Thermostat and $30 off a Nest E
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$125 OFF

Save $125 In The Tep Marketplace

Special Memorial Day Sale on Google Nest Learning Thermostat. Save $125 in the TEP Marketplace
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10% OFF

The Honeywell Hpa8350 Air Purifier With Bluetooth Is 10% Off

The Honeywell HPA8350 Air Purifier with Bluetooth is 10% OFF! This air purifier is highly effective at capturing airborne particles such as dust, smoke, pollen, pet dander, and mold spores, reducing odors and germs
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$50 OFF

Get An Additional $50 Off Google Nest Learning Thermostat

Winter Thermostat Deals at Mass Save! Get an additional $50 off Google Nest Learning Thermostat and make your home more energy efficient
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90% OFF

Select Models Up To Nearly 90% Off Msrp

This Presidents' Day, save more with great deals on smart thermostats from your Energize Connecticut sponsor EversourceCT. With select models up to nearly 90% off MSRP, this is a deal that gets our vote. Click to get your smart thermostat now
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Sale

Only $89 At Efi, Save Today

now as Low as $89, be sure to take advantage of our independence day sale through our marketplace, where get a nest learning thermostat + a free google home mini for just $89
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$5 OFF

Receive Up To $5 Off All Order Sitewide

get extra $5 off, get $5 off of your order of $10 or more only at the gwp marketplace
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$100 OFF

Receive $100 Off + Free Delivery

take extra $100 off + free shipping purchase select items at efi
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$60 OFF

Get $60 Off

For Earth Day, start cooling your home more efficiently with Smart Thermostats from our webshop, which are now available for an additional $20-$60 OFF. Visit for this deal and more
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$100 OFF

Save $100 On Smart Thermostats, $40 On Air Purifiers, And Lots More

Do have someone on your holiday gift list who loves saving energy? Shop the MassSave online store for instant rebates on efficient products. Save $100 on smart thermostats, $40 on air purifiers, and lots more
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$35 OFF

Shop Our Online Marketplace To Save $35 Instantly On Energystar Dehumidifiers That Save Energy

Shop our online marketplace to save $35 instantly dehumidifiers that save energy. This deal won't last long, but your humidity-free air will, Don't wait- start your moisture-free spring today
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