Our best-selling Harvey Classic Double Hung — .24 U-value glass, built in New England, installed by our own crew.
From $617 installed — and $250 off every order of 10+ windows.
Financing available · Free in-home consultations
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★The 250 Sale · America turns 250 — you save $250 on 10+ windows★
The Window Source of New Hampshire
Double Hung Replacement Windows in New Hampshire
4.8 · 51 Google & Facebook reviews · Family owned · Lifetime warranty
New England's classic window: both sashes tilt in for easy cleaning, and every model we carry includes a Lifetime Warranty.
- Four models installed from $545 to $683
- Double- and triple-pane glass options
- Tilt-in sashes for easy cleaning
- Energy Star rated models available
Prefer to talk? (603) 764-7212
250 Sale · $250 off 10+ windows
Get Your Free Quote
No pressure, no obligation — we measure, you decide.
Takes 30 seconds · We never share your info
$545installed, in writing
4.8★51 verified reviews
Lifetimewarranty on your windows
1–2 daysmost whole-home installs
Why Double Hung?
Two operating sashes give you ventilation top and bottom, and both tilt into the room so you never clean glass from a ladder. It's the style that fits nearly every New England home.
Triple Pane, If You Want It
Our Gentek Series 9000 double hungs pair triple-pane glass with foam-insulated frames for an Energy Star Most Efficient rating — the quietest, warmest window we sell.
Double Hung Models
Harvey Slimline Vinyl Double Hung Windows
Harvey Slimline Starting @ $545 installed. Enjoy a sleek design and solid energy performance with the Slimline Series 1000 Double Hung. Built locally by Harvey Windows and backed by a transferable Lifetime Warranty.
Harvey Classic Vinyl Double Hung Windows
Harvey Classic Starting @ $617 installed. Our best-selling window — and for good reason. With an outstanding .24 U-Value, durable fusion-welded frames, and double-strength glass, the Classic delivers high-end performance at an unbeatable price. Includes a full Lifetime Warranty.
Gentek Signature Elite Vinyl Double Hung Windows Series 3000
Series 3000 Starting @ $587 installed. The Gentek 3000 Series offers strong energy efficiency and durability. Featuring fusion-welded frames, foam insulation, and double-strength glass, this window includes a Lifetime Warranty and great curb appeal.
Gentek Signature Elite Vinyl Double Hung Windows Series 9000
Series 9000 Starting @ $683 installed. Upgrade to the best in energy savings with the Gentek 9000 Series. Triple-pane glass, Energy Star Most Efficient rating, and tax credit eligibility make this the ultimate high-performance option. Includes a Lifetime Warranty.
“They replaced 20 windows on our home and each one was installed flawlessly. Craig and the installation team was more than willing to examine and replace any rotten areas rather than simply covering it.”
— Joel P. · Google review
The 250 Sale
America Turns 250. You Save $250.
Exceptional Value. American-Made. Lifetime Warranty.
Easy Financing Through Synchrony
0% Financing for 18 Months*
A house full of new windows for payments as low as $87/month* — invest now, and start saving on your utility bills this winter.
*Rates and terms dependent on qualifying credit.
"To all of our customers; thank you. Our success relies on you and your experience. Your satisfaction has always been, and will always continue to be, our highest priority."
- Skip Longacre
Owner The Window Source NH, MA, & ME
Owner Skip Longacre, former US military, understands what it means to be of service to our nation. We proudly offer a 5% discount off of all goods and services to all military, first responders, police, fire department personnel, veterans, emergency medical technicians, as well as senior citizens.
America turns 250 — you save $250 on 10+ windows
Find your double hung
Four models, four honest prices — and we'll tell you when the cheaper one is the right call. Compare them side by side with a free in-home quote.
Our Service Areas
Here at Window Source NH we proudly service communities throughout New Hampshire, Massachusetts, and Maine. If you are looking for a window installation company to service your New England home, you found us! Some specific areas we serve are listed below.
For a more complete list, please visit our service areas page. If you don't see your city on the list, don't worry! We work all over New Hampshire, Massachusetts, and Maine and would love to take your phone call.
- Rockingham County, NH
- Hillsborough County, NH
- Merrimack County, NH
- Strafford County, NH
- Essex County, MA
- York County, ME
- Cumberland County, ME
Double Hung Windows
Series 3000 starting @ $587 installed. We offer the industry's highest quality and value replacement windows available. Whether you need one or three dozen, our professional crew will often offer same day installation.
Sliding Patio Doors
At The Window Source we offer replacement doors for your home. Whether you need front or a sliding patio doors for your home, then call the window and door installation professionals at The Window Source.
5 Star Professional Installation
Our customers consistently give us five star ratings because we are professional, care about your time & space, and ensure that your home gets the best product installation available in the industry.
