Regular maintenance is the most reliable way to keep your heating and cooling system running efficiently and to avoid surprise breakdowns. At 717 Mechanical LLC, we provide seasonal HVAC tune-ups and maintenance plans for homeowners in Marietta, PA, and throughout Lancaster County.
With over 14 years of experience, our factory-trained technicians inspect, clean, calibrate, and test your equipment so small issues are caught before they become expensive repairs. A maintained system uses less energy, lasts longer, and is far less likely to fail when you need it most.
Need service for a specific system? See our AC tune-up and furnace tune-up pages, or our AC repair and furnace repair services.
Seasonal Tune-Ups
Priority Scheduling
Parts & Repair Discounts
Heating and cooling equipment works hard year-round. Without routine care, efficiency drops, energy bills climb, and parts wear out sooner. A scheduled tune-up keeps your system performing the way it was designed to and protects the investment you've made in your home's comfort.
Our seasonal tune-ups give your system a thorough inspection and cleaning so it's ready for the heating or cooling season ahead.
Booking ahead of peak season means shorter wait times and a system you can count on when temperatures climb or drop.
Preventative maintenance is one of the best ways to avoid costly repairs and keep your HVAC system running efficiently. Our maintenance plans include:
Ask about our $59 AC tune-up to prepare your cooling system for summer, or schedule a furnace tune-up before the heating season begins.
To learn which plan fits your home, call (717) 468-9567 or contact us online.
Get Started
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.
Service Finance PowerPay Wells FargoAs 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.*
Keep your heating and cooling systems running at their best with seasonal tune-ups and a maintenance plan from 717 Mechanical LLC. We serve homeowners in Marietta, PA and throughout Lancaster County with honest, professional service backed by over 14 years of experience.
We provide HVAC maintenance and tune-ups in:
Get StartedExperienced Technicians - Over 14 years of HVAC service experience.
Factory-Trained - Trained on all major brands we service.
Upfront Pricing - No hidden fees, just honest, competitive rates.
Member Benefits - Priority scheduling and discounts on parts and repairs.
Call (717) 468-9567 to schedule a tune-up or join a maintenance plan.
Let's Get Started.
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.
Schedule Service
© Red Barn Media Group 2026
