Littlejohn HVAC Solutions is a Burlington-based HVAC contractor in Guilford County, NC, about 15 minutes from the eastern towns and 25 to 35 minutes from most of Greensboro. Jesse Littlejohn repairs furnaces, heat pumps and air conditioners, replaces systems and ductwork with permits through the right local office, and services light commercial rooftop and split systems.
Your local HVAC contractor for Guilford County, NC
Guilford County is the Burlington area's larger neighbor to the west, home to Greensboro, High Point and a ring of smaller towns in between. Our Burlington base sits only a few miles from the county line, which puts eastern Guilford communities closer to us than many parts of Alamance County.
Towns like Whitsett, McLeansville and Sedalia are about 15 to 20 minutes away, and we reach most of Greensboro in 25 to 35 minutes. Same-day service is the norm on most calls, and we call before we arrive.
With more than half a million residents, Guilford is one of the most populous counties in North Carolina. Within it you'll find Guilford Courthouse National Military Park, Piedmont Triad International Airport, several universities and the watershed lakes north of Greensboro. For an HVAC contractor, that variety means very different homes from one call to the next.
A County of Very Different Houses
Guilford's housing ranges across a full century. Greensboro neighborhoods like Fisher Park and Irving Park have 1910s through 1930s homes with plaster walls and retrofit ductwork, where adding or rerouting ducts takes careful planning. Postwar brick ranches spread across Greensboro and High Point, many still on older gas furnaces and duct systems sized for less airflow than modern equipment needs.
East of Greensboro, suburban communities such as Forest Oaks and McLeansville grew fast from the 1970s through the 2000s. Many of those homes are now on their second heat pump, or their first one is well past its expected lifespan. Newer subdivisions around Whitsett and Gibsonville have modern high-efficiency equipment that needs proper commissioning and upkeep to perform as rated.
Across all of it, the Piedmont climate is the common thread: humid summers that push systems hard, pollen season that clogs filters and coils each spring, and occasional ice storms that test heating equipment.

Guilford County Calls We Handle Often
A typical call from an older Greensboro home is a gas furnace that short-cycles or won't stay lit. Flame sensors, pressure switches and blocked flues are the usual culprits, and our furnace repair service addresses them without pushing a replacement. In the eastern suburbs, summer calls center on aging heat pumps losing capacity, where we help homeowners decide honestly between repair and replacement.
We also handle full system and duct replacements, with a permit through the right local office, whether that is Greensboro, High Point or Guilford County for unincorporated addresses. Our HVAC installation work starts with a load calculation, not a guess based on the old unit's size.
Farther west, High Point and the towns around it have many mid-century homes with aging gas furnaces and undersized returns. We serve those areas as scheduling allows and will always tell you honestly how soon we can arrive.
HVAC by home type in Guilford County
Guilford County's century of housing means the system that fits depends heavily on which decade built the house.
Early-1900s homes in historic Greensboro neighborhoods
Two systems: basement or crawl unit plus an attic unit
Two-story homes from this era rarely heat and cool evenly from one unit, since supply ducts can't easily reach the second floor through plaster walls. Splitting the load between a lower unit and an attic unit serving the bedrooms solves most comfort complaints, with each floor on its own thermostat.
Postwar ranches in Greensboro and High Point
Gas furnace with a matched cased coil and heat pump
Many of these homes still have a gas furnace paired with an AC coil that doesn't match it. When replacing either, we match the coil and outdoor unit to the furnace's blower, which is what makes the rated efficiency real. Our furnace repair visits include a check of that pairing.
1970s–2000s homes in the eastern suburbs
New-refrigerant heat pump with line set evaluation
Eastern Guilford County homes on their second heat pump may still have R-22 or R-410A equipment. Newer systems use different refrigerants, so we evaluate whether the existing copper line set can be reused and flushed or needs replacement before quoting a change-out, and we show you the reasoning.
Common HVAC problems in Guilford County homes
These calls repeat across Guilford County, from Greensboro's older blocks to the eastern subdivisions.
| Problem | Why it happens in Guilford County | What we do |
|---|---|---|
| Repeated refrigerant top-offs on an old R-22 system | Older eastern Guilford heat pumps use a refrigerant that is no longer manufactured and costs more each year. | Find and document the leak, then give repair and replacement prices side by side in writing. |
| Damp, musty basement feeding air into the house | Older Greensboro homes with basements often have unsealed returns that pull basement air into the ducts. | Seal return ducts in the basement, check humidity levels, and recommend dehumidification where readings call for it. |
| Second floor uncomfortable in a historic two-story home | Plaster walls limit duct routes, so upstairs rooms get only a few undersized runs from below. | Measure delivered airflow upstairs and design a separate attic system or ductless heads for those rooms. |
| Small business rooftop unit tripping on hot afternoons | Rooftop packaged units on Guilford County storefronts bake in the sun with dirty coils and aging parts. | Clean coils, test capacitors and contactors, and check refrigerant pressures under full afternoon load. |
HVAC services in Guilford County, NC
Across Guilford County, these are the services homeowners and small businesses ask us for most.
AC Repair
Honest air conditioner diagnosis and repair, often the same day. We find the actual failed part and fix it instead of pushing a new unit.
Learn moreFurnace & Heating Repair
Gas and electric furnace repair that traces the ignition sequence step by step, with safety checks on venting and the heat exchanger every time.
Learn moreHeat Pump Services
Repair, replacement and tune-ups for the heat pumps that heat and cool most Burlington homes, including defrost, reversing valve and backup heat issues.
Learn moreHVAC Installation & Replacement
New AC, furnace and heat pump systems sized with a real load calculation, installed cleanly, and explained in writing before any work begins.
Learn moreDuctwork Installation & Repair
Complete duct system installation and replacement for crawlspaces and attics, designed for real airflow so every room gets the air it should.
Learn moreLight Commercial HVAC
Rooftop units and split systems for small offices, shops, churches, and restaurants, serviced by the owner who answers the phone.
Learn more
Why Guilford County residents choose Littlejohn HVAC Solutions
Guilford is big, and the closer you are to the Alamance line, the faster we get there. Here's what sets an owner-operator apart from the large Triad companies.
The owner does the work
Your call doesn't go to a dispatcher who sends whoever is free. Jesse diagnoses and repairs the system himself, so the person quoting the job is the one accountable for how it turns out.
Eastern Guilford is our near side
Whitsett, McLeansville, Sedalia and Gibsonville sit closer to our base than parts of Alamance County. That's why same-day service there is routine rather than a promise we hope to keep.
Historic Greensboro homes planned carefully
Plaster walls in Fisher Park and Irving Park leave few paths for new ducts. We plan routes through existing chases, closets and crawlspaces, and consider ductless heads where running metal would mean opening walls.
Service in American Sign Language
Jesse is proficient in ASL, so Deaf and hard-of-hearing homeowners across the county can talk through a diagnosis and their options directly, without waiting on an interpreter or passing notes back and forth.
A year of HVAC in Guilford County
Spring
Greensboro's tree-lined neighborhoods get heavy oak and pine pollen each April. Change filters monthly through the season, and have outdoor coils cleaned before the first hot week, especially for units sitting under large street trees or next to a hedge.
Summer
Summer in the Triad means stretches of heat and humidity that push older systems to their limit. If your system runs all afternoon and the house still climbs, call before it fails completely; a weak capacitor caught early is a simple repair.
Fall
Before heating season, homes on gas heat need a burner and flue inspection, and heat pumps need a defrost and backup heat test. Fall is also the best time to get a replacement quote without the pressure of a breakdown.
Winter
Guilford County gets occasional ice storms that knock out power across the county. When power returns, wait a few minutes before resetting the thermostat, keep doors closed to hold heat, and call if the heat pump or furnace won't restart.
Towns we serve in Guilford County
Serving Guilford County from Burlington
Littlejohn HVAC Solutions, LLC is a service-area business based in Burlington, NC 27217. We come to you — about 15 minutes to eastern Guilford County and 25 to 35 minutes to Greensboro from our Burlington base.

