Heating and air conditioning repair in Raleigh
Our guide to heating and air conditioning repair covers how the job works. Below: the Raleigh numbers a HVAC contractor looks at, with sources.
Raleigh housing, by the numbers
Census figures put the median year built for Raleigh homes at 1997. By median year built, homes here are older than in 0 of the 56 other cities we cover. A house from that era may have had its system replaced more than once; the ducts usually stay.
Source: Census ACS
Source: Census ACS
In Raleigh, owner-occupied homes make up about 51% of occupied housing. That is 103,241 of 203,443 households. The share of owner-occupied homes here is higher than in 32 of the 56 other cities we cover. Owner-occupied homes carry most of the replacement decisions in the city.
Source: Census ACS
Source: Census ACS
The leading home heating fuel in Raleigh is electricity, at about 59% of occupied homes. Other fuels: utility gas 39%, bottled or tank gas 1%, fuel oil or kerosene under 1%. The fuel decides which contractor skills matter: gas lines and venting, or heat pump and electrical work.
Source: Census ACS
Source: Census ACS
Heating and cooling load in Raleigh
By the NOAA 1991-2020 normals, summers in Raleigh add up to about 1,779 cooling degree days. Measured at the Raleigh State Univ (NC) station. Of the 56 other cities in this network, 37 have a lower cooling load. Cooling demand at that level is why the outdoor unit's size and condition matter here.
Source: NOAA normals
Source: NOAA normals
Homes near Raleigh face about 3,165 heating degree days in a typical year, per NOAA's 1991-2020 normals. Measured at the Raleigh State Univ (NC) station. The heating load here is higher than in 22 of the 56 other cities we cover. Heating load like that decides whether a heat pump alone is enough or a furnace backup makes sense.
Source: NOAA normals
Source: NOAA normals
Lows at or below 32 F come on roughly 57 days a year around Raleigh. Of the 52 other cities in this network, 21 have a lower number of freezing days.
Source: NOAA normals
Source: NOAA normals
Near Raleigh the high reaches 90 F or more on about 47 days in a normal year. Of the 54 other cities in this network, 29 have a lower number of 90 F days.
Source: NOAA normals
Source: NOAA normals
When the weather tests homes in Raleigh
FEMA's National Risk Index rates heat wave risk in Wake County, NC as relatively high. 30 of the 55 other cities we cover sit in counties with the same heat wave rating. During a heat wave contractors book up; a tune-up in spring avoids the rush.
Source: FEMA risk index
Source: FEMA risk index
Wake County, NC carries a relatively moderate cold wave risk rating in FEMA's National Risk Index. The same cold wave rating applies in 5 of the 53 other cities in this network. Frozen weather is when a furnace that limped through fall finally quits.
Source: FEMA risk index
Source: FEMA risk index
In North Carolina, HVAC contractors are licensed by the North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors; status can be checked on the agency's official lookup page.
Source: North Carolina State Board of Examiners of Plumbing · North Carolina State Board of Examiners of Plumbing
Source: North Carolina State Board of Examiners of Plumbing · North Carolina State Board of Examiners of Plumbing
Sources, checked October 2026
- U.S. Census Bureau, ACS 2024 5-year, profile 16000US3755000
- NOAA NCEI U.S. Climate Normals 1991-2020, station USC00317079
- FEMA National Risk Index (December 2025), Wake County, NC
- North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors (North Carolina)
- North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors license information
Local offices and rules in Raleigh
Raleigh permits are reviewed under the North Carolina State Building Code; per the Office of State Fire Marshal, the 2018 NC Building, Residential, Plumbing, Mechanical, Fuel Gas and Energy Conservation Codes have been in effect since January 1, 2019.
Source: www.ncosfm.gov. Checked October 2026.
Source: www.ncosfm.gov. Checked October 2026.
The 2024 North Carolina codes (Building, Residential, Plumbing, Mechanical, Fuel Gas, Energy) were adopted, but under S.L. 2025-2 they take effect 12 months after State Fire Marshal certification; until then the 2018 code governs and an owner may request the 2024 code as an alternate method.
Source: www.ncosfm.gov. Checked October 2026.
Source: www.ncosfm.gov. Checked October 2026.
Energy Saver North Carolina, run by NC DEQ's State Energy Office, offers income-qualified HOMES and HEAR rebates covering heat pumps, heat pump water heaters and insulation; Wake County was slated for Phase 7 in January 2026 and the page flags DOE program changes issued May 29, 2026.
Source: www.deq.nc.gov. Checked October 2026.
Source: www.deq.nc.gov. Checked October 2026.
Natural gas in Raleigh comes from Public Service Company of North Carolina (PSNC), now Enbridge Gas North Carolina, which Enbridge says serves Raleigh, Durham and Asheville.
Source: www.enbridge.com. Checked October 2026.
Source: www.enbridge.com. Checked October 2026.
If you smell gas, leave the house and call your gas utility from outside. Keep a working carbon monoxide alarm near the bedrooms, and do not open a furnace cabinet that is running.
Common jobs
