Landisville sits in East Hempfield Township off Route 283, roughly halfway between Lancaster and Mount Joy, and only minutes from the 717 Mechanical LLC shop in Marietta. Together with Salunga next door it makes up the Salunga-Landisville community at the heart of the Hempfield School District, and for homeowners in the 17538 area that closeness means heating and cooling help comes from a neighbor rather than a dispatcher two towns away.
We are a family owned company that has worked on Lancaster County homes since 2012, covering air conditioning, furnaces, heat pumps, water heaters, and indoor air quality. Estimates are free on new equipment, repairs are quoted up front, and we provide priority scheduling for urgent repairs when a system fails at the worst possible time. Landisville is two kinds of place at once: an older village core of brick and frame homes along Main Street and the rail line, and ring after ring of newer Hempfield developments built for families commuting to Lancaster and Harrisburg on Route 283. The older homes tend to call us about replacing tired equipment; the newer ones tend to call about keeping good equipment good. We do both.
Being this close changes the experience of hiring a contractor. A technician who is fifteen minutes out can return the same week if a follow-up is needed, a quote can be walked through at your kitchen table instead of over the phone, and the company standing behind the warranty is one you can drive past on Maytown Road. That is the kind of HVAC relationship Landisville homeowners get with us.
Reach us at (717) 468-9567 to schedule service anywhere in Landisville or East Hempfield Township.
Family Owned & Operated
LOCALLY-OWNED & COMMUNITY FOCUSED
OVER A DECADE OF EXPERIENCE
The air conditioner, the furnace, the water heater, and the air you breathe all run through the same mechanical backbone of the house. 717 Mechanical LLC services that whole backbone, so a single trusted number handles whatever breaks, wears out, or needs an upgrade.
Short cycling, frozen coils, breakers that will not stay on, a unit that runs all day without dropping the temperature: these are diagnosable problems with specific fixes. Our air conditioning repair service covers every major brand in Landisville, and we never quote a fix until we know the actual cause. In the newer Hempfield developments the usual culprits are a capacitor or contactor at the ten-year mark and a condensate drain that clogs in a humid week; in the older village homes it is more often a refrigerant leak on a system that has been topped off one too many times. We carry the common parts on the truck, find leaks instead of masking them, and tell you plainly when a repair is money well spent and when it is not.
An oversized air conditioner short-cycles and leaves the house clammy; an undersized one never catches up. Our installation process starts with a proper load calculation, then matches your home to American Standard or AirEase equipment that fits the way you actually live. A lot of the developments off Route 283 were built in the 1990s and 2000s with builder-grade air conditioners that are now at or past the end of their design life, and many of them were sized by rule of thumb rather than by the house. Replacing one is a chance to fix that: the right tonnage, a matched indoor coil, and a look at whether the second-floor supply runs are doing their job.
Get a professional AC tune-up in spring and the system meets summer with tested electrical components, clean coils, and a verified refrigerant charge. It is the difference between cruising through July and sweating out a repair wait. For the newer homes in Landisville, where the equipment is still worth protecting, a spring visit is also what keeps the manufacturer's parts warranty enforceable; most of them require documented annual service. We record every visit so the paperwork is there if you ever need it.
The best air conditioner on the market cannot overcome leaky or undersized ducts. When a Landisville home has a hot upstairs, weak airflow in the far bedrooms, or a system that runs constantly, we look at the duct system as well as the equipment, because fixing the right problem is cheaper than replacing the wrong component.
A furnace that cannot hold temperature through a Lancaster County cold snap needs attention fast. We troubleshoot and repair gas and electric furnaces of any brand, and when the repair math stops working our furnace installation brings in high-efficiency replacements with honest guidance on what your house actually needs. The older homes in the village core are where we see furnaces in their third decade, often oversized and attached to ductwork that was added long after the house was built. A repair on one of those buys a season; a properly sized replacement fixes the uneven rooms and the gas bill at the same time. In the newer developments, a furnace at twelve or fifteen years usually needs a part, not a replacement, and we say so.
Schedule a heating tune-up before the first hard frost. We inspect the heat exchanger, test ignition and safety controls, and verify gas pressure so the system runs safely and efficiently through the season.
For homes off Route 283 looking at all-electric comfort, modern heat pumps deliver heating and cooling from one outdoor unit. We install ducted heat pumps, set up ductless mini-splits for additions and bonus rooms, and keep boiler-heated homes warm too. Mini-splits earn their keep in two very different Landisville houses: the older village home with radiators and no ducts, where a few wall-mounted heads deliver central-air comfort without tearing into plaster, and the newer two-story with a bonus room over the garage that the main system never quite reaches. Both get a quiet, zoned solution with its own thermostat.
Any fuel-burning furnace or boiler deserves a yearly safety inspection. A cracked heat exchanger or blocked flue can push combustion gases into living space, and the early signs are invisible without instruments. Our heating tune-ups include the combustion and venting checks that protect the people in the house, not just the equipment in the basement.
Rumbling sounds, rusty water, or a puddle under the tank are the classic warning signs. We repair what can be repaired and replace what cannot, installing Bradford White tanks sized to keep up with your family's showers, laundry, and dishes. Lancaster County's hard water is hard on tanks: sediment collects on the bottom, the burner or element has to heat through it, and a tank that should last a decade fails in seven or eight years. An annual flush is the cheapest fix, and we include one with water heater maintenance.
A tankless unit heats water only when a tap opens, so the supply never runs out mid-shower. We install and service Navien and NTI systems for Landisville homeowners ready to retire the storage tank. Sizing matters with tankless: the unit has to match your gas supply and your peak demand, and we calculate both before recommending a model.
Pollen season around the farm fields and tight, well-sealed newer construction can both leave indoor air worse than the air outside. Our indoor air quality options include:
The work we do in Landisville splits along a line you can see from the road. In the older part of the village near Main Street, the houses are brick and frame, built before central air, and heated by furnaces or boilers that have been replaced once or twice with whatever fit the old flue. The conversation there is usually about replacement: a right-sized furnace or heat pump, ductwork sealed and balanced where it exists, and a ductless mini-split where it never did.
In the developments that grew up around Hempfield High School and out along the Route 283 corridor, the houses are twenty to thirty years old with central air, a gas furnace or heat pump, and ductwork that was designed for the house. There the smart money is on maintenance: a spring cooling visit and a fall heating visit through our HVAC maintenance plan keeps that equipment running to the far end of its lifespan and the warranty paperwork in order. We are happy to be the company that replaces a system when it is time, but we would rather be the one that helped you get fifteen years out of the one you have.
Almost every January no-heat call and August no-cooling call starts as a worn part that nobody noticed. Joining our HVAC maintenance plan means a technician notices: cooling gets inspected in spring, heating in fall, on a schedule we track for you. You get the findings in plain language after each visit, including what is fine, what is wearing, and what can safely wait.
Replacing a furnace or air conditioner is one of the larger checks a homeowner writes. Our financing page explains the options available to qualifying Landisville homeowners who would rather pay monthly than all at once. Ask for the financing breakdown with your estimate and we will include it, no pressure attached.
Because Landisville is so close to our shop, urgent calls here are among the easiest for us to reach. We offer priority scheduling for urgent repairs, so a house with no heat or no cooling moves to the top of the day's route, and our goal is same-day service whenever the schedule allows. When you call, have the brand and rough age of the system handy if you can; it helps us load the right parts before the truck leaves Marietta.
Call Our TeamBeyond Landisville and Salunga themselves, we cover the neighboring communities:
All of East Hempfield Township falls inside our regular routes, not at the edge of them.
Preventative maintenance is one of the best ways to avoid costly repairs and keep your HVAC system running efficiently. Our maintenance plans include:
We believe every homeowner deserves access to reliable heating and cooling solutions, which is why we offer flexible financing options through companies we trust. Whether you need a new installation or a repair, you'll find a plan that fits your needs.
Learn MoreAs a family-focused HVAC company, our mission is to provide honest service with a personal touch. We treat every home as if it were our own, ensuring high-quality workmanship and lasting results.
As a family-focused HVAC company, our mission is to provide honest service with a personal touch. We treat every home as if it were our own, ensuring high-quality workmanship and lasting results.
Enjoy 10% off your next repair call with us.
Take $500 off the installation of a new unit.*
For homeowners in Landisville and across East Hempfield Township, 717 Mechanical LLC is the heating and cooling company that is actually nearby. We have spent the years since 2012 building a reputation across Lancaster County the slow way: accurate diagnoses, fair quotes, and installations done right the first time.
Need a new air conditioner, ongoing maintenance coverage, a Bradford White or Navien water heater, or cleaner indoor air? One call sorts out which option fits and what it will cost.
Landisville's mix of housing keeps our work interesting: one day it is a heat pump changeout in a development off Route 283, the next it is bringing efficient cooling to a village home in Salunga that has stood for generations. Different houses, same standard, and the same crew answering for the work afterward.
Call (717) 468-9567 to set up heating, cooling, or water heater service in Landisville, PA.
You can also request service online and we will get back to you promptly.
Contact UsLooking for reliable HVAC services near Marietta, PA? We proudly serve Marietta and nearby communities, delivering expert heating, cooling, and indoor air quality services. Whether you’re in Columbia, Mount Joy, or Elizabethtown, our team ensures top-quality workmanship and fast, dependable service. Contact us today for all your home comfort needs!
In addition to serving Marietta, PA, we provide HVAC services to the surrounding Lancaster County communities and beyond, including but not limited to:
No matter where you’re located in these areas, you can count on us for prompt, reliable service.
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