Top 7 HVAC companies in Guilford, North Carolina

Guilford County holds a population of 537174 and sits in a mixed-humid climate zone where heat-pump systems dominate. Public listing data collected on 2026-08-16 supplies the seven entries ranked below. The order follows a Bayesian-adjusted rating that pulls each raw score toward the national mean of 4.764, with small tie-breakers for a public website or published 24/7 availability. Review volume determines how far any raw rating moves.

Cost of HVAC work in Guilford County

Modeled typical full-system installation stands at $8800, bounded by a low of $7900 and a high of $9700. Invoiced averages for 2025 reached $15997, with the upper quartile at $23400. Both sources appear in the data and the gap between them is left as reported. Labor is listed at $95 per hour. Permit fees range from $100 to $350 depending on jurisdiction. The cost tier for the county sits below national averages. These figures cover complete changeouts; repair pricing is not supplied.

The shortlist

Fast AC Repair Greensboro| HVAC Contractors

Fast AC Repair Greensboro| HVAC Contractors operates from 2410 Spring Garden St, Greensboro, NC 27403. Its listing shows 14 reviews at a raw rating of 5. The adjusted score used for ranking is 4.839, pulled down from the raw figure because the national mean sits at 4.764 and the modest review count allows noticeable movement toward that mean. The firm appears as a general contractor and publishes 24/7 availability, which supplied the tie-breaker that placed it first. The numbers give no information on actual workmanship or response times once a call is placed. Call (743) 226-2986.

Greensboro Heating & Air Conditioning

Greensboro Heating & Air Conditioning at 326 E Market St, Greensboro, NC 27401 records 16 reviews at a raw 5. Its adjusted rating of 4.846 reflects a smaller downward pull toward 4.764 than the top entry because the extra reviews lend more statistical weight. The listing category is general contractor and no 24/7 claim appears. These counts alone cannot reveal whether the firm maintains its own service fleet or subcontracts calls. Call (336) 360-8982.

Sutton Brothers HVAC, Plumbing, Electrical

Sutton Brothers HVAC, Plumbing, Electrical maintains an address at 3410 W Wendover Ave C, Greensboro, NC 27407. Three reviews yield a raw 5 that adjusts to 4.785, the largest downward shift among the five-star entries because the small sample size allows stronger regression to the mean. A public website and 24/7 availability supplied the tie-breakers that set its position. The broad services category suggests the firm may handle plumbing and electrical alongside HVAC. Call (336) 649-6476.

Greensboro AC Air Conditioning & Heating Contractor

Greensboro AC Air Conditioning & Heating Contractor lists 15 reviews at a raw 5, adjusted to 4.843. The address is 3715 High Pt Rd, Greensboro, NC 27407. General-contractor status and the absence of a 24/7 flag produced no additional tie-breakers. Review volume places the adjusted score close to the top entries yet still below the raw value. The figures supply no detail on parts inventory or technician training. Call (336) 646-6769.

Formal HVAC Repair Greensboro

Formal HVAC Repair Greensboro shows a single review at raw 5, adjusted to 4.772. Its address is 312 S Elm St, Greensboro, NC 27401. A public website provided the only tie-breaker. The very low review count creates the largest downward adjustment among the five-star listings. The data cannot indicate whether the firm carries stock for common repairs or schedules through a dispatcher. Call (743) 235-6834.

Shamrock

Shamrock records 10 reviews at a raw 4.2 that adjusts upward to 4.623 because the score sits below the national mean of 4.764. The address is 1 Wendy Ct, Greensboro, NC 27409. General-contractor status plus published 24/7 availability supplied the tie-breaker used here. The modest review total limits how far the score can move. These numbers do not address whether emergency calls are answered by employees or routed elsewhere. Call (336) 790-0221.

Greensboro Heating & Air Conditioning

The second Greensboro Heating & Air Conditioning entry sits at 2926 High Pt Rd, Greensboro, NC 27403 and carries 10 reviews at raw 4.2, adjusted to 4.623. Services category status and lack of 24/7 listing produced no tie-breakers. The identical review count and rating to the prior entry produce matching adjusted scores. The data set supplies no phone number for this listing.

Licensing and permits

The North Carolina State Board of Examiners of Plumbing, Heating and Fire Sprinkler Contractors issues statewide licenses under Heating Group 1 Class I or II, Heating Group 2, and Heating Group 3 Class I or II. A separate refrigeration license comes from the NC State Board of Refrigeration Contractors. No statewide surety bond or general liability minimum is mandated, yet workers' compensation insurance is required for businesses with three or more employees. Some cities add their own bond, such as Greensboro at $2000. Permits for furnace or AC replacements are issued by the local city or county building inspections department, not the state board. A state license alone therefore does not guarantee that a job can proceed without additional local registration.

Climate demands in Guilford County

Guilford County falls in IECC zone 4A, a moist mixed-humid regime. Heating degree days total 3300 and cooling degree days reach 1700, producing a balanced load profile. Design temperatures are 22 °F in winter and 93 °F in summer, with humid summers. Primary heating fuel is electricity and heat-pump saturation is the highest in the country. Central air conditioning is near universal. Equipment must handle both heating and cooling peaks without excessive short cycling. Proper sizing is critical because the mixed climate rewards systems that perform efficiently across a wide temperature band rather than oversized units that satisfy only the design day.

Incentives available in 2026

Energy Saver NC through NCDEQ offers limited heat-pump rebates up to $8000 during its phased rollout. No state tax credit exists. Duke Energy programs supply utility rebates from $300 to $1500, but participation requires the contractor to belong to the utility network. Federal 25C and 25D credits expired at the end of 2025, leaving no residential HVAC tax credit in 2026. The 48E investment tax credit at 30 percent survives only for commercial or third-party-owned systems that meet construction or service deadlines. Homeowners must therefore confirm contractor network status before any rebate paperwork can move forward.

How to choose an HVAC contractor

Match the SBPHFSC license class to the equipment capacity and type before signing a contract. Verify that any required local bond or registration is in place for the city or county where the work occurs. Compare the published review count against the adjusted rating to gauge how much weight the raw score carries. Ask whether the firm holds its own 24/7 roster or routes calls externally. Request the permit number in advance so the timeline for inspections is clear.