Cary homes run their HVAC systems hard: hot Triangle summers and cold snaps demand year-round reliability. Element Service Group's maintenance plans keep your equipment running at peak efficiency and catch problems before they become emergencies.
Choose the right hvac maintenance service for your needs.
Get your AC summer-ready with a comprehensive inspection, refrigerant check, and performance optimization before the heat hits.
Learn morePrepare for winter with a thorough furnace inspection, cleaning, and safety check before the cold weather arrives.
Learn moreImprove air quality and system efficiency with regular filter replacements matched to your specific HVAC system and home needs.
Learn moreFull HVAC system evaluation covering efficiency, safety, ductwork integrity, and component wear, with a detailed written report.
Learn moreCatch small problems before they become expensive emergencies. Scheduled care that extends equipment life and lowers energy costs.
Learn moreCary · August 2026 · Dexter · From our service records
Dexter found growth on the evaporator causing water to drip on the inside of the system, and noted that rust was spreading faster than normal. He also found both capacitors out of spec. The 1st floor unit was working properly, and Dexter performed maintenance on both systems.
The system was cooling and working good, except for these minor adjustments.
Cary · August 2026 · Dexter & Aaron · From our service records
Dexter and Aaron found a capacitor weakening and the original contactor in the system, which was pitted and reducing voltage. They cleaned the coil, checked all components, checked the capacitor and contactors, and checked refrigerant. They also noted that the system is in an unsealing crawlspace and suggested installing a UV element to clean indoor air and reduce outside containments. To help reduce unneeded stress on the system, they suggested replacement of the capacitor and contactors.
Cary · August 2026 · Dexter · From our service records
During a 3-year recurring maintenance visit on a 2-system home, Dexter noticed the 2nd floor capacitor is losing charge and suggested replacement. He verified all components were working properly, washed and cleaned the coil, and checked the capacitor and amps. He also suggested adding UV protection to both systems and surge protection for the upstairs system.
Cary · August 2026 · Dexter & Aaron · From our service records
Dexter and Aaron found the control box melted. Due to age, the control board shorted, got too hot and melted to where it could not be repaired, only replaced once approved. The apartment manager approved the repair.
Cary · July 2026 · Dexter & Jeorell · From our service records
During a routine cooling maintenance visit at a home in the 27519 area, Dexter and Jeorell noticed the gas regulator smelling and determined it needs to be replaced. As part of the one-system maintenance, they checked the refrigerant, amps and capacitors. The gas regulator replacement was noted as needed work for the homeowner.
After the checks, the technicians confirmed the system was working properly, with the gas regulator still needing replacement.
Cary · July 2026 · Manny & Dexter · From our service records
During a cooling tune-up on a 4-ton Lennox split system with 2-floor zoning, Manny and Dexter found the outdoor fan side of the dual capacitor weak at 7.42 µF (the compressor side was good at 71.5 µF) and the indoor blower capacitor weak at 6.88 µF, below the ±5% specification. They changed the upstairs return air filter, treated the indoor evaporator coil with no-rinse spray foam cleaner, and added a treatment pad to the condensate drain pan. They also flushed and cleared the condensate drain lines with cleaner and washed and rinsed the outdoor condenser coil. They recommended replacing both the outdoor dual capacitor and the indoor blower capacitor to bring both fan motors back within manufacturer specifications.
The system measured a 7.9°F temperature split (68.9 return, 61 supply), with low side at 100.2 psig and high side at 323.7 psig.
Cary · June 2026 · Manny & Dexter · From our service records
The indoor blower motor run capacitor was degraded and failing: the 10 µF capacitor tested at 8.8 µF, outside the allowable tolerance, even though the air filter and blower wheel were clean. Manny and Dexter also found the weak capacitor slowed airflow and caused an elevated 23°F temperature split. The outdoor dual/run capacitor tested within factory specifications, but manifold gauge testing showed a shortage of refrigerant. They recommended replacing the indoor blower motor capacitor and scheduling a follow-up repair visit for a diagnostic and R-410A charge adjustment.
Cary · June 2026 · Manny & Aaron · From our service records
A homeowner in Cary noticed their air conditioning unit was not cooling properly, and the indoor temperature was rising despite the AC being on.
Manny found that the evaporator coil had frozen over, restricting airflow and causing the system to underperform. Manny and Aaron carefully defrosted the evaporator coil and checked the refrigerant levels to ensure there were no leaks. They also cleaned the air filters and adjusted the thermostat settings to optimize performance.
After the tune-up, the AC unit was operating efficiently, bringing the indoor temperature back to a comfortable level.
If your AC freezes up, it could be due to restricted airflow. Make sure to replace air filters every 1-3 months during peak usage to maintain proper airflow and prevent freezing.
Cary · May 2026 · Jeorell, Dexter & Aaron · From our service records
Jeorell found that the indoor blower capacitor for the first floor system and the outdoor capacitor for the 2nd floor system were both out of spec. He maintained both cooling systems, checking the thermostat and filters inside, then inspecting the duct work, refrigeration lines, drain lines, wire connections and blower wheel in the attic. He checked the blower amp draw and the coil, washed the outdoor coil with water, and checked the compressor amp, fan amps and capacitor outside. He discussed the out-of-spec capacitors with the homeowner, and an estimate for that work was to be attached.
The system was cooling properly at the time of departure.
Cary · May 2026 · Travis · From our service records
The customer asked to have their two units inspected and requested a report afterward.
Travis found a 7.5MFD capacitor that needs replacing on RTU 2 (kitchen), a rusted flame sensor on both RTU 2 and RTU 1 (dining area), and a thermostat that needs replaced on RTU 1. On RTU 1, the blower fan motor was drawing high amps on start. Pressures, contactors, temp splits, filters, belt and igniters checked good, and the heat exchangers had rust but no cracks, with heavier rust in a few areas on RTU 1. Travis quoted each part individually, added a maintenance plan with grouped member pricing, and recommended quarterly checks on the RTU 1 heat exchanger. The blower motor will be quoted separately the next morning.
Need HVAC maintenance in Cary? Call us or book a time.
4.9 stars from 977 Google reviews
1 HVAC maintenance job in Cary in the last 90 days. About 5 miles from Apex.
Oct 2026
The 1st floor furnace was heating effectively, with a 59.6F temperature rise (135.2F supply, 75.6F return) that the technicians noted was within design…
Our HVAC works better over time as we invest in a semi-annual maintenance plan. Element Service Group is very knowledgeable and professional. We recommend this company to others in our HomeOwners Association.
Joe Hankins
Verified Google ReviewCary
This is a great company to work with - they have been servicing our HVAC units for over 10 years. Recently, Joerelle completed a service call and was prompt, professional and very thorough regarding out HV/AC unit. Highly recommend!!
Ralph Dolfi
Verified Google ReviewCary
Nov 22, 2025 · 12 min read
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Shocked by your latest heating bill? Discover the most common reasons for skyrocketing energy costs in Apex and Cary, NC, and simple solutions to lower your bills this winter.
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Planning a heating system replacement in Apex or Cary, NC? Compare gas furnaces, electric furnaces, and heat pumps to find the best option for your home and budget.
Read articleCary's suburban growth and tree canopy create unique airflow challenges, requiring properly sized HVAC systems to efficiently cool multi-story homes.
The area's humid subtropical climate with 90°F+ summer temperatures demands high-efficiency AC systems to manage energy costs and maintain comfort.
Many Cary neighborhoods built in the 1990s-2000s have aging HVAC systems nearing replacement age, making preventive maintenance critical.
Local HOA regulations in Cary's planned communities often require specific equipment placement and noise level compliance for outdoor AC units.
HVAC systems in Cary's established neighborhoods require more thorough maintenance as they age, with electrical components, motors, and refrigerant connections all more prone to failure after 15 years.
Older Cary homes with R-22 refrigerant systems need careful leak monitoring during maintenance, as even small leaks become extremely expensive to repair with phased-out refrigerant.
Busy households lose track of filter changes, and a clogged filter restricts airflow, which can freeze coils and shorten compressor life.
Twenty-year-old ductwork in Cary homes develops loose connections, torn insulation, and sagging flex duct that maintenance visits can identify before they cause significant energy waste.
More ways we can help in Cary.
Answered by our licensed technicians serving Cary.
Yes, but with realistic expectations. Maintenance on a 20-year-old system keeps it running as long as possible while we monitor for signs of impending major failures. It also gives us the opportunity to help you plan for replacement rather than facing an emergency situation. Good maintenance can often stretch an older system's life, though no one can promise how long.
During maintenance, we measure performance metrics like temperature differential, refrigerant pressures, and electrical draw. If these values fall outside acceptable ranges, common in Cary homes with 15+ year systems, we'll honestly tell you whether repair or replacement is the better investment.
We recommend our comprehensive plan that includes two visits per year (spring and fall), priority scheduling, 15% discount on repairs, and no overtime charges. For Cary homes with older systems, this plan often pays for itself with a single prevented emergency call.
Yes. We inspect accessible ductwork connections during every maintenance visit. For Cary homes with 20-year-old ductwork, we often find disconnected joints, torn insulation, and sagging flex duct that waste energy. We can seal minor issues during the visit or recommend more comprehensive duct repair if needed.
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