North Carolina window replacement leads
Summit Leads supplies window replacement leads in North Carolina by real-time ping/post, exclusive by default, with ZIP code filters. Most counties sit in IECC zone 3A, five northwestern counties are in zone 5A, and DOE lists the 2015 IECC with amendments (checked October 7, 2026) for homes.
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North Carolina facts for window replacement lead buyers
| Fact | Value Source |
|---|---|
| IECC 2021 climate zones | Zone 3A in 79 counties, 4A in 16 and 5A in 5 (PNNL for DOE, 2021 county data)Guide to Determining Climate Zone by County: Building America and IECC 2021 Updates (PNNL-33270) Pacific Northwest National Laboratory for the U.S. Department of Energy |
| ENERGY STAR window climate zone | Spans more than one zone (ENERGY STAR map, August 2025)ENERGY STAR Windows, Doors and Skylights Climate Zone Map (August 2025) U.S. EPA ENERGY STAR |
| Residential energy code | 2015 IECC with amendments, effective January 1, 2019 (DOE, checked October 7, 2026)Building Energy Codes Program: North Carolina U.S. Department of Energy |
| Median year structure built | 1991 (ACS 5-year 2020-2024)Table B25035, Median Year Structure Built: North Carolina (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Housing units built before 1980 | 33.9% (ACS 5-year 2020-2024, table B25034)Table B25034, Year Structure Built: North Carolina (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Units built 1939 or earlier | 241,025 (ACS 5-year 2020-2024, table B25034)Table B25034, Year Structure Built: North Carolina (ACS 5-Year 2020-2024) U.S. Census Bureau |
| Median home value | $288,900 (ACS 5-year 2020-2024, table B25077)Table B25077, Median Value (Dollars): North Carolina (ACS 5-Year 2020-2024) U.S. Census Bureau |
| State guidance on hiring | Check the general contractor, electrician or plumbing and HVAC license; get three written estimates (NC Department of Justice, checked October 7, 2026)Home Improvement North Carolina Department of Justice |
Last reviewed: October 7, 2026. A summary for education, not legal advice.
North Carolina spans three IECC climate zones
The DOE county guide, PNNL-33270 (2021 county data), assigns 79 North Carolina counties to IECC zone 3A, 16 to zone 4A and 5 to zone 5A. DOE uses the letter A for moist climates. The five zone 5A counties are Alleghany, Ashe, Avery, Watauga and Yancey.
ENERGY STAR uses a separate window map, and on the ENERGY STAR climate zone map (August 2025) North Carolina falls in more than one window zone. ENERGY STAR's zone finder gives the zone for each county, which is how a buyer with product rules by zone can line them up with a territory.
North Carolina's residential energy code edition
This section is general information, not legal advice. It summarizes official sources as of October 7, 2026; check the current text of each rule before relying on it.
The DOE Building Energy Codes Program page for North Carolina (checked October 7, 2026) lists the 2015 IECC with amendments as the current residential code, effective January 1, 2019. The page names the North Carolina Department of Insurance as the state contact for code adoption.
Because editions differ from state to state, buyers who work across state lines can ask the request form for the window count and scope so that a North Carolina estimate is not built on another state's assumptions.
Newer housing, with an older core
North Carolina's housing is young. Table B25035 (ACS 5-year 2020-2024) puts the median year built at 1991, and only 33.9% of units were built before 1980 in table B25034 (ACS 5-year 2020-2024).
Older homes still exist in number: the same table B25034 (ACS 5-year 2020-2024) counts 241,025 units built in 1939 or earlier. The median owner-occupied value is $288,900 in table B25077 (ACS 5-year 2020-2024).
Licensing guidance for North Carolina homeowners
This section is general information, not legal advice. It summarizes official sources as of October 7, 2026; check the current text of each rule before relying on it.
The state's consumer protection office points homeowners to trade licenses before hiring. On its Home Improvement page (checked October 7, 2026), the North Carolina Department of Justice tells homeowners to check the license held by an electrician, a plumber or HVAC installer, or a general contractor, to get at least three written estimates, and to avoid contractors who knock on the door or leave flyers.
The project-cost threshold for a general contractor license and the cancellation rule for off-premises sales are on leads in North Carolina.
Fields North Carolina window buyers filter by
The climate and housing facts above translate into a short list of fields.
- ZIP code: keeps a buyer inside one IECC zone, for example the five zone 5A counties only.
- Home age: separates the older core from the large stock built since 1980.
- Number of windows and scope: supports the written estimates the state tells homeowners to collect.
- Homeowner status: the owner is the person who hires and signs.
Where buyers filter in North Carolina
Charlotte is the only one of these six metro areas that extends past the state line, into South Carolina, so its figure covers the whole metro area. The populations are Census Bureau estimates for July 1, 2025; ZIP code filters reach any part of the state, inside these metros or not.
- Charlotte-Concord-Gastonia, NC-SC: 2,938,830 (July 1, 2025 estimate, whole metro area)
- Raleigh-Cary: 1,595,720 (July 1, 2025 estimate)
- Greensboro-High Point: 805,945 (July 1, 2025 estimate)
- Winston-Salem: 712,206 (July 1, 2025 estimate)
- Durham-Chapel Hill: 625,485 (July 1, 2025 estimate)
- Wilmington: 492,772 (July 1, 2025 estimate)
Source: Metropolitan and Micropolitan Statistical Area population estimates, Vintage 2025 (cbsa-est2025-alldata), U.S. Census Bureau.
Consent records for North Carolina window replacement leads
North Carolina window replacement leads are sent with the TCPATCPAThe Telephone Consumer Protection Act, the federal law that governs telemarketing calls and texts, autodialers, prerecorded voice messages and the Do Not Call Registry. Glossary consent record from the homeowner's submission. State calling rules are in the North Carolina entry of the state telemarketing laws table, and leads in North Carolina summarizes the state for all verticals.
North Carolina window replacement lead questions
How many North Carolina counties are in each IECC climate zone?
79 counties in zone 3A, 16 in zone 4A and 5 in zone 5A, according to the DOE county guide PNNL-33270 (2021 county data).
Is North Carolina still on the 2015 IECC for houses?
The DOE North Carolina status page (checked October 7, 2026) lists the 2015 IECC with amendments, effective January 1, 2019, as the residential code. This is general information, not legal advice.
What does the North Carolina Department of Justice tell homeowners before they hire a window contractor?
Its Home Improvement page (checked October 7, 2026) says to check the contractor's license, collect at least three written estimates and avoid door-to-door contractors. This is general information, not legal advice.
Can a buyer take window leads only in Watauga, Ashe and the other zone 5A counties?
Yes. Territory is set by ZIP code, so a buyer can limit delivery to Alleghany, Ashe, Avery, Watauga and Yancey counties or any other group.
Request North Carolina window replacement leads
Email us the North Carolina ZIP codes you cover, your daily volume or caps and how you take delivery. ReturnReturnA buyer's request for credit on a lead that fails agreed standards, such as a disconnected number, a duplicate or a lead outside the filters. Glossary terms are agreed on the onboarding call, before you go live.
Start small, with no long-term commitment
- No long-term contract. Pause or stop at any time.
- No setup fee and no monthly fee. You pay only for leads delivered that match your filters.
- Start with a small test volume and scale when the numbers work.
- MVA and home improvement leads are exclusive by default: each lead is sold to one buyer.
- Return terms are agreed on the onboarding call, before you go live.
Or write to team@summitleads.ai. We reply by email.
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