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How to Install a Heating and Air Conditioning Unit

Home | Blog | Published on September 26th, 2025

Installing a heating and air conditioning system is a detailed process that requires planning, expertise, and precision—especially in the Roswell climate. At Fulkerson Services, our decades of experience ensure that every installation is done right the first time, with your comfort and peace of mind at the core of every decision. Here’s what you can expect.

Technicians installing new furnace and ductwork in Roswell basement

Partnering with Fulkerson Services

As a family-owned business serving Roswell and nearby New Mexico communities since 1964, Fulkerson Services has built a reputation on honesty, quality workmanship, and long-term service relationships. Whether it’s a residential or light commercial project, our installation team is here to deliver comfort you can count on.

We provide clear communication and tailored system recommendations so you understand exactly what you’re getting—and why it fits your needs.

Installation Overview: What to Expect

Assessment & System Selection

A Comfort Consultant or Service Technician will evaluate your home’s size, layout, and energy usage to recommend the right system—whether that’s a furnace, heat pump, or a complete HVAC unit. We take your budget, comfort goals, and long-term performance into account.

Professional Installation

Our certified technicians manage the full installation, including mounting indoor and outdoor units, connecting ductwork, and ensuring every component meets local safety and performance codes.

Testing & System Optimization

After installation, your new system is tested under real operating conditions to confirm proper airflow, temperature control, and energy efficiency. We make sure your home is ready for year-round comfort.

Step-by-Step HVAC Installation Breakdown

Preparation & Sizing

Every successful installation starts with understanding your home. During your initial consultation, our Comfort Consultant will visit your property to assess heating and cooling requirements, inspect ductwork, and perform a detailed load calculation. This ensures your system is perfectly sized for comfort and efficiency—without wasting energy or overworking your equipment.

Outdoor Unit Placement

We carefully position the outdoor condenser on a sturdy, level base—clear of debris, vegetation, and obstructions. This placement is designed not just for performance but for long-term durability and ease of maintenance. We also take steps to reduce noise and maintain neighborhood-friendly operation.

Indoor Unit & Ductwork Connections

Your indoor equipment is installed with precision and seamlessly integrated into your existing ductwork. Our technicians seal every joint and transition to minimize air leaks, ensuring balanced airflow and top-tier energy efficiency throughout your home.

Electrical & Thermostat Setup

To bring your system to life, we connect it to your electrical supply and properly install or configure the thermostat. All connections meet or exceed manufacturer requirements and local building codes, ensuring a safe, code-compliant installation that performs reliably from day one.

Final Testing & Walkthrough

Before we consider the job complete, we thoroughly test the system in real-world conditions to verify performance, airflow, and control responsiveness. Once everything is running smoothly, we guide you through your new system—answering your questions and sharing maintenance tips so you feel confident and comfortable moving forward.

Why You Should Avoid DIY HVAC Installation

Installing a new HVAC system is not a DIY job. Without the proper tools and expertise, you risk safety issues and long-term inefficiencies. Here’s what can go wrong:

  • Incorrect Sizing: An improperly sized system can overwork or underperform, leading to premature failure.
  • Placement Errors: Poor placement can restrict airflow and reduce efficiency.
  • Leaky Ducts: Without proper sealing, ducts can lose a significant amount of conditioned air.
  • Code Violations: DIY installations often miss required safety standards, voiding warranties and increasing liability.

Mistakes like these can cut your system’s efficiency by up to 30%. With Fulkerson Services, you’re guaranteed a code-compliant, efficient, and safe installation.

Final Thoughts

An HVAC installation isn’t just another appliance hookup—it’s a comfort system that will serve your home for years. Choosing Fulkerson Services means choosing expert care, honest service, and reliable results every step of the way. We handle everything with precision so you can enjoy peace of mind.

Frequently Asked Questions

How long does installation take?
Most residential HVAC systems are installed in one day. For more complex setups, it may take a bit longer to ensure everything is properly configured.

Do I need to replace both heating and cooling units together?
It’s not always necessary, but replacing both units can improve efficiency and extend overall system life. Compatibility between systems is also better when installed together.

How is the right system size determined?
We calculate it based on your home’s square footage, insulation, and layout. This ensures your system delivers reliable comfort without wasting energy.

Will installation disrupt my home?
There will be some temporary noise and technician activity during the process. However, we work neatly and efficiently to minimize disruption and clean up thoroughly afterward.

Do I need to be home during installation?
You’re not required to be there the whole time, but being available for the final walkthrough is helpful. That way, we can show you how your system works and answer any questions.

What warranties come with my new system?
Warranties vary by manufacturer, but most include parts coverage for peace of mind. You can also choose extended labor protection plans for additional coverage.

Don’t leave your home’s comfort to chance. Contact the experienced team at Fulkerson Services to schedule a consultation and get the expert installation your Roswell home deserves.

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