Frequently Asked Questions

How long has Nova Installations been in business?

Nova Installations is family-owned and operated by Art and Tom Dunn. Open for business since 1982, we are licensed, bonded, and insured.

How much will it cost?

Pricing a job for windows, doors, siding, or other home improvements, unfortunately, can’t be done over the telephone. We like to look at the structure and its surroundings, because you may want to see the products that we offer. The good news is that estimates are free. Call us at 703-378-6596 or 703-433-9025.

Is Nova Installations licensed, bonded, and insured?

Yes! We’re also members of the Better Business Bureau.

Who will do the work?

We do not subcontract our jobs. Nova Installations will do the work. Our office administrator Sheryl will likely do the scheduling and help you with any accounting questions you may have.

Do you have a showroom?

We sure do! Nova Installations has a new and expanded showroom in Chantilly, Virginia near the intersection of Route 50 and Route 28.

14501-B Lee Jackson Memorial Hwy
Chantilly, VA 20151
Phone Numbers:
703-378-6596, 703-433-9025
Showroom Hours:
Monday to Friday – 8:00AM to 4:00PM
Saturdays – Please call Friday if you plan to visit our showroom on Saturday

Which brands do you sell?

Whichever brand you want, we’ll try to get. We do, however, carry and have relationships with a few high-quality vendors. See our vendors page for more information about their products.

Do you have any references?

We will be glad to give you a list of references. Just call us at 703-378-6596 or 703-433-9025. Our favorite references are the roughly 160 unsolicited ones on CheckBook Magazine’s website where we are Rated at the Top! Check them out at Again, we are Top Rated by Checkbook Magazine. Angie’s List is a contractor referral site and there are several unsolicited referrals on their site as well. At Angie’s list, you’ll find coupons too. Check them out at And you can read our customer testimonials here.

Are your products guaranteed?
All our products are guaranteed; some are guaranteed for life. We’ll be happy to go over the warranty information with you. Stop by our showroom or call us at 703-378-6596 or 703-433-9025.
Is window installation messy?

It’s not as messy as you’d think, and we clean up after ourselves. Installing a new window can be messy from sawdust and drywall dust. Most installations can be done in a day or two, and 90% of the work is done from the outside.