Littlejohn HVAC Solutions is an owner-operated HVAC contractor in Trinity, NC, repairing and replacing the original 1990s and 2000s heat pumps in neighborhoods between High Point, Archdale and Thomasville. Trinity is about 50 minutes from Burlington, and we route it with Archdale and High Point calls. You get written repair and replacement options and a call when Jesse is on the way.
Your local HVAC contractor for Trinity, NC
Before Duke University existed, there was Trinity College, and it was right here in northern Randolph County until the school moved to Durham in 1892. The town kept the name. Today Trinity is mostly quiet neighborhoods tucked between High Point, Archdale and Thomasville, with easy access to I-74 and US 311.
Littlejohn HVAC Solutions comes from Burlington, about 50 minutes away. We route Trinity together with Archdale and High Point calls, which keeps waits reasonable. You'll hear from Jesse when he's on the way. For more on nearby towns, visit our Randolph County HVAC page.
A Generation of Heat Pumps Wearing Out Together
Much of Trinity's housing went up in the 1990s and 2000s: vinyl-sided two-stories, brick-front ranches and split-levels on half-acre lots. Most came with a builder-grade heat pump and flex duct in the attic or crawlspace. A lot of those original systems are still running, which is a credit to them, but they're now 20 to 30 years old.
Units that age share predictable problems. Many older ones use R-22 refrigerant, which is no longer produced, so a leak turns into an expensive repair. Compressors lose efficiency, outdoor coils corrode, and reversing valves stick. Flex duct from that era also sags and kinks over time, especially in hot attics, so even a new heat pump can underperform if the ducts aren't checked. Homes on crawlspaces in the lower, wooded lots also see damp air creeping into return ducts, which adds humidity the system has to fight.

Common Calls Across Trinity
A typical Trinity call is a homeowner with an original heat pump that has just been diagnosed with a refrigerant leak. The question is always whether to repair or replace. Jesse walks through the cost of finding and fixing the leak, what R-22 costs now if it applies, and what a new system would involve, then puts both options in writing. Our heat pump repair and replacement service explains the process.
Another common one is uneven temperatures after a new system goes in, where the equipment is fine but the old attic ducts aren't. Sizing the new unit with a Manual J load calculation and checking the ducts before installing a new HVAC system avoids that trap.
Summers here get the same thick Piedmont humidity as the rest of the Triad, and an oversized replacement makes it worse by cooling the air quickly without running long enough to pull moisture out. That's why a new system in Trinity isn't just matched to the old nameplate. Jesse measures, calculates and explains the sizing, then shows you how to keep the new unit running well, from filter changes to keeping the outdoor coil clear of grass and leaves.
HVAC by home type in Trinity
Trinity's homes share an era, but layout and lot decide what fails first.
Vinyl-sided two-stories from the 1990s and 2000s
Heat pump with a correctly wired thermostat
Plenty of Trinity owners have swapped the builder thermostat for a smart model. Heat pumps rely on a reversing valve setting that differs by brand, and a wrong setting means heat in July or cooling in January. We confirm wiring, staging and backup heat settings so the thermostat runs the system correctly.
1990s–2000s brick-front ranches
Split heat pump, clear airflow path
Many of these homes still run their original heat pump, and where a dryer vent exhausts beside the outdoor unit, lint coats the coil. Within a season, the coil mats over and head pressure climbs steadily. We clean the coil and either reroute the dryer vent or relocate the condenser, whichever is simpler for the house.
Split-levels on wooded lower lots
Heat pump under roof-drip protection
Wooded lots mean clogged gutters, and an outdoor unit under a roof valley gets a waterfall every storm. In winter, that drip freezes over the coil faster than defrost can clear it. We move the unit or add a diverter, then check the heat pump defrost controls.
Common HVAC problems in Trinity homes
Aging equipment and layout quirks drive most Trinity calls.
| Problem | Why it happens in Trinity | What we do |
|---|---|---|
| System heats in summer after a new smart thermostat | Heat pumps in Trinity homes need the reversing valve terminal set correctly for their brand. | Jesse checks the wiring and O/B setting, then tests both heating and cooling modes. |
| Outdoor coil caked solid with gray dryer lint | Dryer vents on many ranches exhaust right beside the condenser, clogging the coil. | We clean the coil thoroughly and reroute the vent or move the unit away from it. |
| Heat pump buried in ice under the eaves | Overflowing gutters on wooded lots drip onto the unit and refreeze faster than defrost clears. | We add a drip diverter or relocate the unit and test the defrost sensor and board. |
| Lights dim and the outdoor unit struggles to start | Compressors in original 1990s heat pumps draw more current as their windings and bearings age. | We measure starting amps, test the capacitor and explain whether a hard-start kit makes sense. |
HVAC services in Trinity, NC
With so many aging heat pumps in Trinity, replacement, repair and maintenance make up most of our work here.
Heat 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 moreHVAC Maintenance & Tune-Ups
Spring and fall tune-ups that catch weak capacitors, clogged drains and dirty coils before they turn into a breakdown on the hottest or coldest day.
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 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 more
Why Trinity residents choose Littlejohn HVAC Solutions
Much of Trinity was built in the same 15-year window, so its heat pumps are wearing out together. We help people decide which ones still deserve a repair.
Repair or replace, both on paper
When an original heat pump turns up a refrigerant leak, Jesse prices finding and fixing it, explains R-22 costs if they apply and prices a new system. Both go in writing, and the choice stays yours.
Sized to the house, not the old label
An oversized replacement cools fast and leaves Triad humidity behind. We run a Manual J load calculation instead of copying the 25-year-old nameplate, so the new system runs long enough to dry the air.
Attic flex duct checked first
Flex duct from the 1990s sags and kinks in hot attics. A new heat pump on those runs still underperforms, so we inspect the ducts before quoting and tell you whether they can stay.
A year of HVAC in Trinity
Spring
Pollen season around Trinity hits outdoor coils and filters at once. It's a good time to test an aging heat pump before summer, since the difference between a quick part and a failing compressor matters more with July ahead.
Summer
Triad humidity makes older systems run long hours. Check the coil for lint or grass buildup, keep two feet clear on every side of the unit and schedule a tune-up if cooling seems weaker than last year.
Fall
Clean gutters after the leaves drop, especially any section above the outdoor unit. Trinity homes on wooded lots benefit from a heating check now, before winter rain starts dripping onto the coil and refreezing overnight.
Winter
Aging heat pumps lean harder on backup heat as temperatures fall. If the outdoor unit ices over and stays that way, switch to emergency heat and call rather than chipping at it. Defrost faults are usually fixable.
Serving Trinity from Burlington
Littlejohn HVAC Solutions, LLC is a service-area business based in Burlington, NC 27217. We come to you — about 50 minutes from our Burlington base.

