Littlejohn HVAC Solutions is a licensed, insured HVAC contractor in Lexington, NC, repairing gas furnaces, replacing crawlspace ductwork and fixing cooling in the city's mid-century ranches and Erlanger mill village homes. We drive down from Burlington on I-85, about an hour, and plan Davidson County work into route days. Jesse tells you plainly when he can get there.
Your local HVAC contractor for Lexington, NC
Lexington is known far and wide for barbecue, and every October the Barbecue Festival fills Main Street Uptown. Look past the smoke, though, and you'll find a town full of solid mid-century brick ranches and mill houses that are still running heating equipment and ducts from another era.
We drive down from Burlington on I-85, roughly an hour, and we plan Davidson County work into dedicated route days. Jesse will tell you plainly when he can be there and will call before he pulls up. For more on the surrounding area, see our Davidson County HVAC service page.
Mid-Century Homes and Original Ducts
Large parts of Lexington were built between the 1940s and 1970s, when the furniture and textile plants were running full shifts. Those homes typically sit on crawlspaces, with a gas furnace in a hall closet or under the house and metal ductwork that has never been replaced. Many added central air later by setting a coil on top of the original furnace, which often leaves the blower undersized for cooling.
Seventy years of Piedmont humidity is hard on crawlspace ducts. Tape fails, insulation falls away, joints separate and sections can end up lying in the dirt. In the Erlanger mill village and older streets near Uptown, the houses are smaller and closer together, and some still have floor furnaces or wall heaters that were never removed properly. Those leftover openings in the floor let crawlspace air straight into the living space, and sealing them is often the cheapest comfort upgrade in the house.
Typical Lexington Calls
A typical cold-weather call is a furnace that won't ignite. On older standing-pilot units it's often a worn thermocouple; on newer ones, a failed hot surface igniter or a dirty flame sensor. Lexington runs its own city natural gas utility, so if we smell gas or suspect a supply issue, we'll shut things down and tell you to contact them right away. Our furnace repair service covers the full ignition and safety check.
In summer, a common complaint in brick ranches off US 64 and along US 29-70 is weak airflow and a house that feels muggy even when the AC runs. Nine times out of ten the ducts under the house are the story. Replacing them with sealed, properly sized new ductwork usually brings back comfort and lowers the bill.
Lexington summers are long and sticky, and homes that sit low near the creeks around town hold moisture in their crawlspaces well into fall. When a system is replaced, we look at the whole picture: correct tonnage from a load calculation instead of matching the old label, a new coil that suits the furnace blower, and a clean, sloped drain line. Getting those basics right is what keeps a new system from sweating and short-cycling in its first August.
HVAC by home type in Lexington
Lexington's housing mostly dates from its factory years, and each style has a soft spot.
Mid-century brick ranches with hall-closet furnaces
Closet gas furnace, correct combustion air
A closet furnace needs fresh air to burn cleanly. Over the years, many louvered closet doors got swapped for solid ones. A starved burner can roll flames out of the firebox and produce carbon monoxide. We restore combustion air openings and check the burner during every furnace repair visit.
Erlanger mill village houses
Ductless heads or a small heat pump
Some of these small houses still lean on vent-free gas heaters in winter. Those add moisture and combustion byproducts to small rooms. A single ductless head in the main room, or a small ducted heat pump, gives steadier heat without the damp windows or the fumes.
Homes on low lots near Lexington creeks
Split system, sealed crawlspace ducts
Low ground holds moisture under the house well into fall, and any leak in a crawlspace return pulls that damp air straight into the living space. We seal return joints first, then look at drainage, a vapor barrier or crawlspace dehumidification based on what the moisture readings show.
Common HVAC problems in Lexington homes
These are the repairs we see most in Lexington's older neighborhoods.
| Problem | Why it happens in Lexington | What we do |
|---|---|---|
| Scorch marks or soot above a hall-closet furnace | Closet furnaces in mid-century Lexington ranches often lose combustion air when doors or storage block it. | Jesse checks for flame rollout, restores air openings and tests carbon monoxide at the appliance. |
| Windows fogging and walls feeling damp every winter | Vent-free gas heaters in small mill houses release water vapor with every hour of use. | We evaluate the heater and offer ductless or heat pump options that heat without adding moisture. |
| Rusted furnace vent pipe running under the house | Furnaces set in damp crawlspaces vent through metal connectors that corrode from condensation. | We replace the connector, check pitch and joints, and confirm draft before the heat goes back on. |
| Supply boots sweating and rusting at the floor | Creek-side lots keep crawlspace air humid enough to condense on cold metal all summer. | We seal and insulate boots, replace rusted ones and address crawlspace moisture at the source. |
HVAC services in Lexington, NC
Lexington's older housing keeps us busy with heating, ductwork and cooling repairs, and these are the services called for most.
Furnace & 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 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 moreAC 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 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 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 more
Why Lexington residents choose Littlejohn HVAC Solutions
Lexington's homes were mostly built when the furniture and textile plants ran full shifts, and many still have the ducts to prove it.
Seventy-year-old ducts, seen and photographed
Under brick ranches off US 64 and US 29-70, tape has failed and runs lie in the dirt. We photograph what's under the house so you see it before choosing between repair and sealed new ductwork.
Leftover floor furnaces and wall heaters
In Erlanger and near Uptown, old floor furnaces left openings that pour crawlspace air into the house. Sealing those properly is often the cheapest comfort fix in the home, and we flag them on any visit.
Gas safety with the city utility in mind
Lexington runs its own natural gas utility. If Jesse smells gas or suspects a supply problem, he shuts the appliance down and tells you to call them right away, rather than working around it.
A year of HVAC in Lexington
Spring
Lexington springs are short and pollen-heavy. Swap filters in April, rinse the outdoor coil once the pine pollen passes, and book cooling service before May, when long sticky months start testing older ducts and coils.
Summer
Long humid summers are when crawlspace ducts sweat hardest. If the house feels muggy while the system runs steadily, the problem is often under the floor rather than in the outdoor unit. That's worth a look before August.
Fall
By the time the Barbecue Festival fills Uptown in October, gas furnaces should already have had their fall safety check: burners cleaned, flame sensor tested, vent pipe inspected and combustion air confirmed for closet installations.
Winter
Gas furnaces carry most Lexington homes through winter. If you smell gas, leave the house and call the city's gas utility first. For no-heat calls, check the filter, breaker and thermostat batteries before calling us.
Serving Lexington from Burlington
Littlejohn HVAC Solutions, LLC is a service-area business based in Burlington, NC 27217. We come to you — about an hour from our Burlington base.