Who is the highest-scored ductwork and indoor air quality pro in Durham, North Carolina?

By Registry Score, A C Harris Services (Durham, NC) ranks first at 54 out of 100, among 4 scored businesses averaging 32.5. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.

Durham, North Carolina · Ductwork & IAQ

Ductwork & indoor air quality pros in Durham, NC

4 ductwork & indoor air quality pros in Durham, out of 132 HVAC and plumbing businesses the Registry lists there. Ranked by Registry Score, owner-confirmed records first.

Pros: 4
Avg. score: 32.5
Scored: 4

Summary

Data last updated October 14, 2026

As of October 14, 2026, the ProComfort Registry lists 4 ductwork & indoor air quality pros in Durham, North Carolina. Most-listed specialties: heating & furnaces (1), air conditioning (1). 4 have enough public signals for a Registry Score, averaging 32.5 out of 100; none scores 70 or higher. Together they hold 13 public reviews on Google, Yelp and Facebook. The highest-scored is A C Harris Services, at 54 out of 100. 1 is Featured for 2026. View A C Harris Services.

Counts come straight from the Registry's records. How the Registry Score works

Showing 1–4 of 4

Established

A C Harris Services

Featured

Durham, NC 27712 4.1(10 reviews)

HVACDucts

(984) 377-6674 Website

Established

Resolve Air Systems

Durham, NC 27703 4.3(3 reviews)

HVACDucts

(757) 672-2976 Website

Developing

Comfort Control Balance

Durham, NC 27703

HVACHeatingA/CDucts

(919) 381-5065 Website

Developing

Sterling Operation Services

Durham, NC

HVACDucts

(984) 789-2267

Ductwork & indoor air quality pros in Durham: at a glance

How many ductwork & indoor air quality pros are in Durham, North Carolina?: As of October 14, 2026, the ProComfort Registry lists 4 ductwork & indoor air quality pros in Durham, North Carolina.
Who is the highest-scored ductwork and indoor air quality pro in Durham, North Carolina?: By Registry Score, A C Harris Services (Durham, NC) ranks first at 54 out of 100, among 4 scored businesses averaging 32.5. The score combines public reviews (50 points), digital presence (30) and reach (20); nobody can pay for a higher score.
How are ductwork & indoor air quality pros in Durham, North Carolina ranked?: By Registry Score (0-100, from public reviews, digital presence and reach), with records confirmed by their owners listed first. The full method is at https://procomfortregistry.online/methodology.

What this list includes: businesses whose public category or name points to ducts, ventilation, sheet metal or indoor air quality. Tags come from each business's public category and name, so a company can appear under several trades. Ductwork & indoor air quality pros across the US