HVAC Installation
in Mechanicsburg, PA
Stay Comfortable All Year Long
5.0 on Google · Veteran owned · PA License PA203524
Matt from 717
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Hi! I'm Matt. What's going on at home?
Upfront, honest pricing
1-year service warranty
Same-day availability
Licensed & insured in PA
From freezing winters to humid summers, your heating and cooling systems keep your home livable. At 717 Plumbing & Heating, we service, repair, and install HVAC systems with the goal of keeping your family safe and comfortable without breaking the bank.
From humid summers to freezing winters, your home needs a system that handles both without wasting energy or sacrificing comfort. 717 Plumbing and Heating specializes in HVAC installation in Mechanicsburg, PA, helping homeowners upgrade to properly sized, energy-efficient systems built for local seasonal extremes.
Call us or schedule your appointment today.
Reliable HVAC Solutions for Mechanicsburg Homes and Climate
Homes across Mechanicsburg and Cumberland County vary from older Borough properties with outdated ductwork to modern homes in Walden designed for efficiency. Each requires a different approach to HVAC installation.
We routinely help homeowners in situations like:
- Replacing undersized HVAC systems that struggle during peak summer humidity.
- Energy-efficient AC and heating installation in Mechanicsburg homes where comfort and zoning are priorities.
- Upgrading aging heating and cooling systems to improve airflow and reduce energy bills.
- Installing new HVAC systems with inconsistent room temperatures.
- Replacing builder-grade units that fail prematurely due to improper sizing.
Our focus is simple. We install systems that match your home’s layout, insulation, and airflow needs so you get consistent comfort without unnecessary energy use.
No Guesswork: Data-Driven HVAC Installation for Better Performance
A proper HVAC installation starts with precise calculations, not guesswork.
We use industry-standard tools and methods, including:
- Load calculations (Manual J) to determine the correct system size.
- Airflow measurement tools to evaluate duct performance (CFM readings).
- Static pressure testing to ensure duct system compatibility.
- Thermostat calibration for accurate temperature control.
- Refrigerant charge verification based on manufacturer specifications.
All installations are performed in compliance with the Pennsylvania Residential Code and 2021 IECC energy-efficiency requirements. When required, we handle permits and ensure the system is ready for inspection.
Signs You Need New HVAC System Installation in Mechanicsburg
If your current system isn’t keeping up, replacement may be the best solution. Watch for these signs:
- Uneven temperatures between rooms, especially during hot or cold weather
- The system is running constantly without reaching the set temperature.
- Rising energy bills without increased usage.
- Frequent breakdowns or costly repairs.
- System age approaching 10-15 years.
- Poor indoor comfort during Mechanicsburg’s humid summers or cold winters.
These issues often indicate a system that’s improperly sized or no longer efficient.
From Evaluation to Installation: How We Get It Done Right
We follow a structured process to ensure your new HVAC system installation in Mechanicsburg is correct:
- Home Evaluation - Assess square footage, insulation, windows, and layout.
- Load Calculation - Perform Manual J calculations to determine proper system size.
- System Selection - Recommend energy-efficient HVAC systems based on your needs.
- Ductwork Assessment - Inspect airflow, duct sizing, and static pressure.
- Installation - Install system according to manufacturer specs and IMC standards.
- System Integration - Connect thermostat, electrical, and refrigerant lines.
Performance Verification After Installation
We don’t consider your HVAC installation complete until tested and verified.
We measure and confirm:
- Airflow (CFM): Ensures proper distribution throughout your home.
- Temperature split: Confirms heating and cooling performance across the system.
- Refrigerant levels: Verified against manufacturer specifications.
- Static pressure: Ensures the duct system supports system efficiency.
- Thermostat accuracy: Confirms precise temperature control.
These checks ensure your system is operating as designed, not just installed.
A Full HVAC System Upgrade Completed in One Day
Brian Barber in the Mechanicsburg area needed a full system replacement after his existing unit could no longer maintain consistent temperatures. The system was outdated and inefficient, especially during seasonal extremes.
Our team evaluated the home, performed load calculations, and installed a new inverter heat pump system in a single day. As Brian shared, “They came out and swapped our old system for a new inverter heat pump in a single day… super prompt and answered all my follow-up questions.” Read his full Google review here.
The result was immediate. The home achieved stable indoor temperatures, improved airflow, and better energy efficiency. Post-installation testing confirmed proper airflow, refrigerant levels, and thermostat accuracy. Beyond the technical results, Brian was confident the system was installed correctly and built to perform long-term.
Why Professional HVAC Installation Matters
Installing an HVAC system isn’t just about placing equipment; it’s about performance, safety, and compliance.
Poor installation can lead to:
- Reduced system efficiency and higher energy bills
- Premature system failure
- Unsafe electrical or refrigerant issues
- Voided manufacturer warranties
According to Energy Star, energy-efficient systems can significantly reduce household energy use when properly installed and maintained. (Source: Energy Star).
Why Choose 717 Plumbing and Heating
- Licensed in Pennsylvania (Lic. #PA203524).
- Fully insured for residential HVAC installation.
- Code-compliant installations following IMC standards.
- Accurate system sizing using industry-standard calculations.
- Professional-grade tools for airflow and performance testing.
- Clear, homeowner-focused recommendations.
- Local experience with Mechanicsburg housing and climate.
Serving Mechanicsburg and Cumberland County
We provide comprehensive HVAC services in Mechanicsburg Borough and throughout Cumberland County. Our team tailor every installation to local climate conditions for reliable performance year-round. If you are facing problems with your existing system, we also provide scheduled HVAC maintenance to catch small issues before they turn into costly repairs. Replacing a gas, propane, or electric furnace? Our heating services page covers new furnace installs and what to expect on install day.
Ready to upgrade your comfort? Call us or schedule your appointment today.
Our HVAC Services Include
- HVAC Preventive Maintenance - includes coil cleaning, filter replacement and inspection to ensure all equipment is functioning properly.
- HVAC Service - Furnace repair due to not cooling properly or heating to an adequate temperature, leaks and thermostat replacement.
- HVAC Installation- Central Air, Heat Pumps, Electric, Gas and Propane Furnaces (includes 10 year parts warranty), Mini Split Systems
Why Homeowners Choose Us:
- No pressure to replace if it can be repaired
- Honest diagnostics with transparent pricing
- Fast response times and flexible scheduling
- Financing Options See If You Qualify
READY WHEN YOU ARE
Schedule your HVAC service or get a second opinion today.
Talk to a real person now, or send a request and the team will call you to set up a time.
OUR PROMISE
Repair first.
Replace only
when it pays.
WE INSTALL AND SERVICE ALL MAJOR BRANDS
5.0 stars from
real neighbors.
“JT arrived within around 30 minutes of the initial call, and this was 7pm on a Friday… We were back up and running within 90 minutes or less.”
“A large HVAC company insisted I needed a whole new system. Matt quickly found the real issue, just a simple fix. No pressure, no gimmicks, just honest work done right.”
“Had a plumbing emergency over the weekend. Justin came out Sunday morning and replaced a valve. No extra charge for Sunday service. Fair pricing.”
“The service Home Depot uses didn't get in touch until Thursday! Matt and 717 only took 2 hours to save us!”
“He cleaned and unclogged 50 years of build up. Our sink flows like new again. Price was great and service was top notch.”
“Other plumbers insisted on charging just to look. 717 gave us an estimate. Responsive, professional, and very fair in pricing.”
“Impeccable customer service. They came out for our emergency quickly and found a long-term fix. Very reasonable prices.”
“The epitome of excellence in serving any customer needs. They care about your concerns. You need not look any further.”
HOW WE PRICE
Your bill,sliced honestly.
Every slice of your invoice is something you can see. You approve the price before we start.
- The actual repair
- Quality parts
- Skilled labor
- 1-year warranty
- Hidden fees$0
717 LOYALTY PROGRAM
Tune-ups twice a year,
priority all year.
Members get seasonal HVAC tune-ups, priority service and up to 10% off repairs. From $20 a month.
How long does HVAC installation take?+
Most residential HVAC installations are completed within one day, depending on system complexity and ductwork modifications.
Do I need a permit for HVAC installation in Mechanicsburg?+
Yes, most system installations require permits and inspections. We handle the process to ensure compliance with local codes.
How do I know what size HVAC system I need?+
We perform Manual J load calculations based on your home’s size, insulation, and layout to determine the correct system size.
What’s the benefit of energy-efficient HVAC systems?+
They reduce energy consumption, lower utility bills, and provide more consistent indoor comfort.
Should I replace my system or keep repairing it?+
If your system is over 10-15 years old and requires frequent repairs, replacement is usually more cost-effective in the long run.
Will a new HVAC system improve indoor comfort?+
Yes. Properly installed systems provide consistent temperatures, better airflow, and improved humidity control.
How do you verify the system is working correctly after installation?+
We test airflow, temperature output, refrigerant levels, and thermostat performance to confirm everything is operating properly.
WHERE WE WORK
Your neighbors
in South Central PA.
Cumberland County
Dauphin County
Perry & Adams
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Need help today?
We're one call away.
Easy scheduling, written quotes before work begins, and a 1-year warranty on our services.