Lancaster County's Trusted Cooling & Heating Professionals

Your #1 HVAC Service
in Lancaster, PA

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PREMIER AC & HEATING
SERVICES IN LANCASTER, PA

As the largest city in Lancaster County, Lancaster, PA is home to a diverse mix of historic downtown rowhomes, established neighborhoods, and newer suburban developments. Whether you live near downtown Lancaster, Manheim Township, or East Lampeter, 717 Mechanical LLC delivers dependable air conditioning, heating, and water heater services tailored to your home's needs.

With over 12 years of hands-on HVAC experience, we specialize in keeping Lancaster homeowners comfortable through every season. From AC repairs and cooling system installations to furnace service and heat pump upgrades, our certified technicians handle it all with honest pricing and quality workmanship.

Based in nearby Marietta, PA — just a short drive from Lancaster — we're always close when you need us. Contact us today for a free estimate!

Family Owned & Operated

LOCALLY-OWNED & COMMUNITY FOCUSED

OVER A DECADE OF EXPERIENCE

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Complete AC, Heating & Water Heater Services for Lancaster Homeowners

Lancaster's hot, humid summers and cold winters demand an HVAC system that performs reliably all year. 717 Mechanical LLC provides expert cooling, heating, and water heater services across Lancaster city and the surrounding county — from professional AC installations and emergency cooling repairs to furnace tune-ups and energy-efficient heat pump upgrades. We serve zip codes 17601, 17602, and 17603 and beyond.

Air Conditioning Services in Lancaster, PA

AC Installation & Replacement

Whether you own a century-old rowhome downtown or a newer build in East Lampeter, choosing the right cooling system matters. We install high-efficiency central air conditioners sized precisely for your home's layout, insulation, and ductwork — maximizing comfort while keeping energy bills in check.

AC Repair & Diagnostics

A broken air conditioner during a Lancaster summer is more than an inconvenience — it can be unbearable. Our technicians provide fast, accurate AC repairs for all major brands, from refrigerant leaks and compressor failures to electrical faults and frozen evaporator coils.

Ductless Mini-Split Installation

Many of Lancaster's older homes lack traditional ductwork. Ductless mini-split systems offer an ideal solution — delivering targeted cooling and heating room by room without the cost and disruption of installing ducts. We also provide mini-split repair to keep your system running at peak efficiency.

Ducted & Ductless Heat Pump Services

Heat Pump Installation & Replacement

Heat pumps deliver both cooling and heating from a single system, making them a smart choice for Lancaster homeowners looking to reduce utility costs. We install ducted heat pumps and ductless mini-split heat pumps to match your home's configuration and budget.

Heat Pump Repair & Maintenance

If your heat pump is short-cycling, blowing warm air in cooling mode, or not reaching temperature, our team will diagnose and repair the issue quickly. Routine maintenance keeps your heat pump efficient and extends its operating life by years.

Heating Services in Lancaster, PA

Furnace Installation & Replacement

Lancaster County winters can be unforgiving. If your furnace is aging, inefficient, or breaking down frequently, upgrading to a new high-efficiency gas or electric furnace can dramatically improve your home's warmth and reduce heating costs. We handle complete furnace installations for homes of all sizes.

Furnace Repair & Maintenance

From pilot light issues and cracked heat exchangers to blower motor failures and thermostat malfunctions, we provide thorough furnace repairs to restore reliable heat. Our annual furnace tune-ups catch small problems before they become expensive breakdowns.

Boiler Services in Lancaster, PA

Many older Lancaster homes rely on boiler systems for heat. We install and repair gas, oil, and electric boilers, including high-efficiency models that deliver consistent warmth while lowering your monthly energy expenses.

Water Heater Services

Tank & Tankless Water Heater Installation

We install Bradford White tank water heaters and Navien & NTI tankless water heaters for Lancaster homeowners who want reliable hot water, improved efficiency, and lower energy bills.

Water Heater Repair & Maintenance

Whether you're dealing with inconsistent water temperature, sediment buildup, or a failing heating element, our team provides expert water heater repairs and annual maintenance to extend your unit's lifespan and keep hot water flowing.

Indoor Air Quality Solutions for Lancaster Homes

Lancaster's mix of older construction and seasonal allergens makes indoor air quality a real concern for homeowners. We install and service systems that keep your indoor air clean and balanced:

  • Air filtration & air cleaner systems to remove dust, pollen, and airborne pollutants.
  • UV lights to neutralize bacteria, viruses, and mold spores in your ductwork.
  • Humidifier & dehumidification systems to maintain healthy humidity levels year-round.

We install and maintain Honeywell air filtration systems and Aprilaire humidifiers, giving Lancaster families cleaner, healthier air at home.

Why Lancaster Homeowners Choose 717 Mechanical LLC

  • 12+ years of HVAC expertise serving Lancaster and the surrounding county.
  • Locally owned and based in Marietta, PA — just minutes from Lancaster.
  • Certified technicians trained in cooling, heating, and water heater systems.
  • Fast response times across Lancaster city, Manheim Township, and East Lampeter.
  • Flexible financing options to make new system installations affordable.

From historic homes near downtown to growing subdivisions in the suburbs, we understand the unique HVAC challenges Lancaster homeowners face — and we deliver solutions that last.

Lancaster HVAC Service Area

We proudly serve homeowners throughout Lancaster County, including:

  • Lancaster, PA (17601, 17602, 17603)
  • Marietta, PA
  • Hershey, PA
  • Lititz, PA
  • Palmyra, PA
  • Columbia, PA
  • Elizabethtown, PA
  • Mount Joy, PA
  • Wrightsville, PA

Need AC repair, furnace service, or a new HVAC installation in Lancaster? We're just a short drive away and ready to help.

Call us today to schedule your HVAC service in Lancaster, PA!

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What's Included in Our AC Maintenance Services?

At 717 Mechanical LLC, our thorough AC tune-ups are designed to catch problems early and keep your cooling system running at peak performance throughout Lancaster's warmest months.

AC Tune-Up Checklist

Every air conditioning maintenance visit includes:

  • Filter Inspection & Replacement – Maintains strong airflow and reduces strain on your compressor.
  • Thermostat Calibration – Verifies accurate temperature readings for consistent comfort.
  • Refrigerant Level Check – Detects leaks and confirms proper charge for maximum cooling output.
  • Coil Cleaning – Removes buildup from evaporator and condenser coils to restore heat transfer efficiency.
  • Electrical Inspection – Tests wiring, capacitors, contactors, and connections for safe operation.
  • Blower & Fan Motor Testing – Confirms proper airflow volume and identifies early signs of motor wear.

Transparent Pricing & Financing for Lancaster Homeowners

We believe every Lancaster homeowner deserves honest, upfront pricing with no surprise charges. For larger projects like AC replacements or full system installations, we offer flexible financing plans so you can upgrade your comfort without financial stress.

Why Choose Us?

Experienced Technicians – Over 12 years specializing in residential AC and heating service.

Upfront Pricing – No hidden fees — just straightforward, competitive rates.

Financing Options Available – Affordable monthly payments for qualified homeowners.

Reliable Service – Prompt arrivals, efficient repairs, and results that hold up.

Emergency AC Repair in Lancaster, PA

When your air conditioner breaks down on the hottest day of the year, you need help fast. Our team provides priority emergency AC repair across Lancaster — from downtown to Manheim Township and beyond. We carry common parts on our service vehicles so many repairs can be completed in a single visit.

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HVAC Maintenance Plans

HVAC Maintenance Plans for Long-Term Savings

Preventative maintenance is one of the best ways to avoid costly repairs and keep your HVAC system running efficiently. Our maintenance plans include:

  • Seasonal tune-ups for heating and cooling systems
  • Priority scheduling to maintenance members
  • Discounts on parts and repairs
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Financing Options

Financing Options to Fit Your Budget

We believe every homeowner deserves access to reliable heating and cooling solutions, which is why we offer flexible financing options. Whether you need a new installation or a repair, we work with you to find a payment plan that fits your budget.

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Frequently Asked Questions About AC & HVAC Services in Lancaster, PA

Many historic and older homes in downtown Lancaster and surrounding neighborhoods were built without ductwork, which makes adding traditional central air more involved. You have two main options:

  • Central AC with new ductwork — If your home can accommodate ducts (often through closets, soffits, or the attic), a central system provides whole-home cooling with a single thermostat.
  • Ductless mini-split systems — These are ideal for older Lancaster homes because they require no ductwork. Individual wall-mounted units cool specific rooms, giving you zoned comfort without major construction.

Our team evaluates your home's layout and recommends the best approach for your budget and comfort goals. Contact us for a free consultation.

It depends on your home's existing infrastructure:

  • Central AC is typically the best choice if your home already has ductwork in good condition. It cools the entire home evenly and is controlled from a single thermostat.
  • Ductless mini-splits are better for homes without ducts, room additions, finished basements, or spaces where extending ductwork isn't practical. They also offer zoned temperature control, which can reduce energy waste.

For many older Lancaster properties — especially rowhomes and pre-war construction — mini-splits are the more cost-effective and less disruptive option. We'll help you weigh the pros and cons for your specific situation.

Timeline varies based on the type of installation:

  • Straightforward AC replacement (existing ductwork, same system type) — typically completed in one day.
  • New central AC with ductwork modifications — usually 2–3 days depending on the scope of work.
  • Ductless mini-split installation — most single-zone systems are installed in one day; multi-zone setups may take 1–2 days.

We schedule installations around your availability and aim to complete every project with minimal disruption to your daily routine. Learn more about our AC installation process.

Yes. When your AC fails during a summer heat wave, waiting days for a repair isn't an option. We offer priority scheduling for emergency cooling service across Lancaster city and the surrounding area. Our service vehicles carry commonly needed parts, so many AC repairs can be completed on the first visit. Call us at 717-468-9567 for same-day emergency assistance.

We install several high-efficiency cooling solutions designed to lower your energy bills:

  • High-SEER central air conditioners — Modern units with SEER2 ratings of 16+ use significantly less energy than older systems.
  • Inverter-driven ductless mini-splits — These adjust compressor speed to match demand, avoiding the energy waste of constant on/off cycling.
  • Heat pumps — A dual-purpose system that provides efficient cooling in summer and heating in winter, often at lower operating costs than a furnace/AC combo.

We help you choose the right system based on your home's size, insulation, and energy goals.

Absolutely. Lancaster has a rich architectural heritage, and we understand that preserving your home's character is important. For historic properties, we typically recommend:

  • Ductless mini-splits — Require only a small hole in the wall for the refrigerant line, leaving original woodwork, plaster, and trim untouched.
  • High-velocity mini-duct systems — Use small, flexible tubing that fits inside existing wall cavities and between floors with minimal modification.
  • Strategically routed ductwork — When central air is preferred, we plan duct runs through closets, chases, and utility spaces to preserve the home's original layout.

Every historic home is different. We start with an in-home assessment to determine the best solution for your property.

Yes. We offer flexible financing options for Lancaster homeowners, including:

  • New central AC and heat pump installations
  • Furnace and boiler replacements
  • Ductless mini-split systems
  • Tank and tankless water heater installations

Qualified homeowners can take advantage of low monthly payments to invest in a more efficient, reliable system without paying the full cost upfront. Ask us about current financing terms when you schedule your estimate.

Yes. Our preventative maintenance plans include scheduled tune-ups for your cooling and heating systems to keep them running efficiently and catch problems early. A typical plan includes:

  • Spring AC tune-up — Get your air conditioner ready before Lancaster's summer heat arrives.
  • Fall heating tune-up — Ensure your furnace, boiler, or heat pump is prepared for winter.
  • Priority scheduling — Maintenance plan members receive priority booking for repairs.
  • Discounts on parts and labor — Save on any additional repairs needed during the year.

Regular maintenance reduces unexpected breakdowns, lowers energy bills, and extends equipment life. Contact us to learn more.

Heat pumps are becoming increasingly popular in Lancaster County for good reason:

  • Year-round comfort — A single system handles both cooling in summer and heating in winter.
  • Lower operating costs — Heat pumps transfer heat rather than generating it, making them significantly more efficient than traditional furnaces during mild weather.
  • Reduced carbon footprint — Electric heat pumps produce no on-site combustion emissions.
  • Rebates and incentives — Many energy-efficient heat pumps qualify for federal tax credits and utility rebates.

Modern cold-climate heat pumps perform well even during Lancaster's coldest days. We'll help you determine if a heat pump is the right fit for your home.

We're based in Marietta, PA, which is just a short drive from Lancaster. For most service calls, we can be at your door within the same day or next business day. For emergency AC and heating repairs, we offer priority scheduling to get your system back up and running as quickly as possible.

We serve all of Lancaster — including downtown, Manheim Township, East Lampeter, and the surrounding suburbs. Call 717-468-9567 or contact us online to schedule your appointment.

COMMITTED TO EXCELLENCE IN HOME COMFORT

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.

SPECIALS AND OFFERS

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.

10% off your next repair

10% Off Your Next Repair

Enjoy 10% off your next repair call with us.

10% off your next repair

$500 OFF ONE INSTALL

Take $500 off the installation of a new unit.*

Dependable HVAC Services in Lancaster, PA — Schedule Today

When you need professional air conditioning, heating, or water heater services in Lancaster, PA, count on 717 Mechanical LLC. With over 12 years of experience and a reputation built on honest pricing and quality work, we're the HVAC team Lancaster homeowners trust to keep their homes comfortable in every season.

Whether you need a new AC system for an older home, emergency furnace repair, a heat pump upgrade, or a tankless water heater installation, our certified technicians deliver efficient, long-lasting solutions. We proudly install and service Bradford White tank water heaters, Navien and NTI tankless water heaters, and Honeywell and Aprilaire indoor air quality products.

Why Choose 717 Mechanical LLC for HVAC Services in Lancaster?

  • 12+ years of experience in residential HVAC services
  • Based in nearby Marietta, PA — fast response times to Lancaster
  • Certified technicians specializing in cooling, heating, and water heaters
  • Flexible financing options for new system installations
  • Locally owned and operated — committed to Lancaster County homeowners

Serving Lancaster & All of Lancaster County

  • Lancaster, PA
  • Marietta, PA
  • Hershey, PA
  • Lititz, PA
  • Palmyra, PA
  • Columbia, PA
  • Elizabethtown, PA
  • Mount Joy, PA
  • Wrightsville, PA

Call us now to book your AC repair, heating service, or HVAC installation in Lancaster, PA.

Contact us online for a free estimate and expert recommendations.

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Serving Marietta, PA & Beyond

Looking 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!

AREAS WE PROUDLY SERVE

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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Contact 717 Mechanical LLC Today

Don’t wait to improve your home’s comfort and energy efficiency. Contact us today to schedule your HVAC service in Marietta, PA or one of the surrounding areas. Let us show you the difference of working with a team that puts your needs first!

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