Spring promotion$79 cooling tune-up — bookings open through May 31.
Claim offerHeating, cooling, and clean air you can actually trust.
Three generations of honest HVAC service. Up-front pricing, no surprise fees, and a real person on the phone — even at 2 a.m.
- NATE certified technicians
- NC HVAC license #31482
- Fully insured & bonded
- EPA 608 universal
47yrs
in business
12k+
jobs completed
4.9★
1,200+ reviews
24/7
emergency line
What we do
Whole-home comfort, one accountable team.
From routine tune-ups to whole-system replacements, we handle every part of indoor comfort under one roof. Same techs, same trucks, every visit.
See all servicesHeating
Furnace and heat-pump repair, replacement, and tune-ups. Gas, electric, and high-efficiency systems.
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Cooling
Central AC, ductless mini-splits, and heat-pump cooling. Diagnostics start at $89.
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Indoor Air Quality
Whole-home filtration, humidifiers, dehumidifiers, and duct sealing for cleaner, easier air.
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Maintenance
Twice-yearly tune-ups from $189/yr. Priority scheduling and 15% off all repairs included.
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What neighbors say
1,200+ five-star reviews and counting.
“Our AC died on the hottest day of the year. Cardinal had a tech at our door in three hours and the system back up the same afternoon. Honest pricing, no upsell.”
Marcus T.
Durham · Emergency AC repair
“Replaced our 22-year-old furnace with a high-efficiency heat pump. The crew was respectful, on-time, and walked us through every option. Three winters in and not a hiccup.”
Jennifer A.
Chapel Hill · System replacement
“Their maintenance plan has paid for itself twice over. They catch small problems before they become big ones, and the priority scheduling is worth it alone.”
Diane L.
Raleigh · Maintenance plan
Service area
Local techs in your neighborhood.
Three trucks based in Raleigh, two in Durham, and one in Apex. Most calls reach you in under an hour.
- Raleigh
- Durham
- Cary
- Chapel Hill
- Apex
- Morrisville
- Wake Forest
- Holly Springs
- Garner
- Knightdale
Ready when you are