AC INSTALLATION
S&D Mechanical – Professional Air Conditioning Installation for Reliable Summer Comfort
Stay Cool. Stay Efficient. Stay Comfortable — With S&D Mechanical.
A properly installed air conditioning system is essential for surviving the summer heat. When done right, your AC cools evenly, runs efficiently, and lasts for years. But when installed incorrectly, it leads to higher energy bills, weak airflow, and constant breakdowns.
For more than 40 years, S&D Mechanical has been the trusted provider of expert AC installation throughout Delaware County and the surrounding areas. Our licensed technicians size your cooling system correctly, install it to manufacturer standards, and ensure flawless performance from the first day it runs.
We install all types of air conditioning systems:
- Central Air Conditioning
- Heat Pumps
- Ductless Mini-Splits
- High-Efficiency Systems
- Commercial AC Units
Why it matters:
- Lower your cooling costs with efficient operation
- Improve airflow and temperature consistency
- Reduce breakdowns during peak summer heat
- Maximize system lifespan
- Ensure safe, code-compliant installation
A new AC is a major investment — and we install it the right way.
Ready for Professional AC Installation?
Contact Us
The Problem Homeowners Face
Improper Installation Leads to Poor Cooling & Higher Bills
Even a top-quality AC won’t perform well if it’s installed incorrectly. Unfortunately, rushed installations, wrong system sizing, and improper refrigerant handling are common — and they cause:
- Weak or uneven cooling
- AC running constantly
- Higher energy bills
- Frozen coils or refrigerant issues
- Loud operation or rattling
- Short system lifespan
- Frequent repairs
Many homeowners don’t discover these issues until it’s too late — long after the installer is gone.
Avoid unnecessary repairs and frustration with S&D Mechanical’s professional AC installation.

What’s Included in Our AC Installation Service
Our complete AC installation service includes:
- Full cooling load calculation
- Removal & disposal of old equipment
- Installation of new AC or heat pump
- Ductwork inspection & adjustments
- Refrigerant line installation & charging
- Wiring, electrical & thermostat setup
- System startup & performance testing
- Efficiency tuning for optimal comfort
Common Reasons to Replace or Upgrade Your AC:
- System 12–15+ years old
- Rising energy bills
- Frequent repairs
- Weak or uneven cooling
- Loud or inefficient operation
- Outdated refrigerant (R-22 systems)
- Desire for higher-efficiency modern systems
Frequently Asked Questions
How do I know which AC system is right for my home?
We evaluate your home’s size, layout, insulation, and cooling needs to recommend the perfect unit.
How long does AC installation take?
Most installations are completed in a single day.
Do you install ductless mini-splits?
Yes — we install single and multi-zone ductless systems.
Will a new AC really lower my energy bills?
Absolutely. Modern systems can reduce cooling costs by 20–40%.
Ready to Schedule Your Service?
Get in touch today for a free, no-obligation estimate and see why homeowners and businesses in Garnet Valley trust S+D Mechanical Services for reliable comfort and quality craftsmanship.
Why Choose S+D Mechanical Services?
We deliver AC installations that maximize comfort, efficiency, and reliability — supported by decades of proven expertise.
Concerned about leaky taps and pipes?
Get in touch today for a free, no-obligation estimate and see why homeowners and businesses throughout Garnet Valley trust S&D Mechanical for efficient, long-lasting AC installations.



