HVAC Installations

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Person stands next to an air conditioning unit; arms crossed. Outdoors, near white house wall, paving stone.

HVAC installations

Expert Heating and Cooling Installations for Homes and Businesses

When it’s time to install a new HVAC system, you need a contractor you can trust to get the job done right. At Russells Heating Air Conditioning, we provide professional HVAC installation services for homeowners and commercial property owners throughout Lexington, Noble, and surrounding Oklahoma communities.



Whether you’re building a new home, remodeling an existing property, or replacing an outdated system, we design and install HVAC systems that are efficient, reliable, and tailored to your space. From high-efficiency air conditioners and furnaces to heat pumps, mini-splits, and smart thermostats, we handle the full installation process from start to finish.


We understand that HVAC installation is an investment—and we’re here to help you make a smart, long-term decision with clear recommendations, expert guidance, and transparent pricing.

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(405) 410-9920

RUSSELLS HEATING AIR CONDITIONING • RUSSELLS HEATING AIR CONDITIONING • RUSSELLS HEATING AIR CONDITIONING • RUSSELLS HEATING AIR CONDITIONING •

When to Consider a New HVAC Installation

A new HVAC installation might be necessary for a variety of reasons, including:



  • New construction projects
  • Home additions or remodeling
  • Replacing a system that’s over 12–15 years old
  • Upgrading to a more energy-efficient model
  • Switching fuel sources (electric to gas or vice versa)
  • Adding smart or zoned controls
  • Installing supplemental comfort systems in bonus rooms or garages


Whether you’re starting from scratch or looking to upgrade what you have, our team can help you choose the right system and install it to meet local building codes and performance standards.

Person working on AC unit next to a building with red and gray siding.

HVAC INSTALLATIONS

Our HVAC Installation Process

We make the installation process straightforward and stress-free. From your first consultation to final testing, our team keeps you informed and involved every step of the way.

Step 1: Consultation and Sizing

We begin with an in-home or on-site assessment to determine your space’s size, layout, insulation, and airflow needs. Proper sizing is essential—installing a system that’s too large or too small can lead to inefficiency, uneven temperatures, and higher energy bills.

Step 4: Installation Day

Our licensed technicians arrive on time and fully prepared. We remove old equipment (if applicable), install your new system, test for performance and safety, and clean up the work area before we leave.



We treat your property with respect and work as efficiently as possible to minimize disruption.

Step 2: System Selection

Based on your comfort goals, budget, and home or building specifications, we’ll recommend the best system for your needs. We install a variety of heating and cooling equipment and can explain the pros and cons of each option.



This includes:


  • Central air conditioners
  • Gas and electric furnaces
  • Heat pumps and hybrid systems
  • Ductless mini-splits
  • Packaged rooftop units (for commercial use)
  • Smart thermostats and zoning controls


We work with trusted HVAC brands known for quality and reliability.

Step 3: Transparent Estimate

Before any work begins, you’ll receive a detailed written estimate outlining equipment, installation, labor, and any necessary ductwork or electrical updates. No hidden costs. No last-minute surprises.

Step 5: Walkthrough and System Orientation

Our licensed technicians arrive on time and fully prepared. We remove old equipment (if applicable), install your new system, test for performance and safety, and clean up the work area before we leave.

We treat your property wi

th respect and work as efficiently as possible to minimize disruption.

Orange ladder next to white house, metal duct, and AC unit.  Sunny outdoor setting.

Russells Heating Air Conditioning

HVAC Systems We Replace

We install and replace all major types of residential and light commercial HVAC systems, including:



  • Central air conditioners
  • Gas and electric furnaces
  • Heat pumps
  • Ductless mini-splits
  • Hybrid heating systems
  • Packaged rooftop units (for commercial use)
  • Smart thermostat and control systems


Our team works with trusted equipment brands and will help you choose a reliable system that aligns with your long-term comfort goals.

Signs It’s Time to Replace Your HVAC System

You don’t have to wait for your system to fail completely to consider a changeout. In many cases, homeowners and businesses choose to replace a system before it breaks down to avoid ongoing issues and costs.

Here are some common signs your system may be ready for replacement:



  • The unit is more than 12 to 15 years old
  • Frequent repairs are becoming costly
  • Energy bills keep increasing despite regular use
  • Your system struggles to maintain consistent temperatures
  • The equipment uses outdated refrigerant (R-22)
  • Your home has hot or cold spots
  • Your HVAC system is loud, inefficient, or oversized


If you’ve already repaired the same unit multiple times, or if your comfort has declined despite maintenance, a new system may offer better performance and savings over time.

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HVAC installations

HVAC Systems We Install

Our team is trained to install all major types of HVAC systems, including:

Air Conditioning Systems

We install high-efficiency central AC systems that cool your home evenly and quietly—even during the hottest Oklahoma summers.

Furnaces

Our furnace installations include both gas and electric models, with options for high-efficiency, multi-stage performance and quiet operation.

Heat Pumps

Ideal for year-round comfort, heat pumps provide both heating and cooling in one system. We install air-source and mini-split heat pumps for homes and small businesses.

Ductless Mini-Split Systems

Perfect for room additions, garages, workshops, or areas without ductwork. Mini-splits offer zoned comfort and energy savings without major renovations.

Smart Thermostats and Controls

We install Wi-Fi-enabled thermostats and multi-zone control systems that give you greater flexibility and help reduce energy waste.

Commercial HVAC Units

For business owners, we install packaged rooftop units (RTUs), split systems, and customized HVAC solutions based on building size and occupancy.

Russells Heating Air Conditioning

Financing Available

Installing a new HVAC system is a big investment—but one that can pay off in comfort, reliability, and monthly energy savings. To make the process easier, we offer financing options through trusted partners.



Financing gives you the flexibility to:


  • Upgrade to higher-efficiency equipment
  • Spread out payments over time
  • Avoid delays caused by budget constraints


Ask us about available financing plans during your consultation.

Two technicians working on a gray Carrier rooftop HVAC unit on a gravel roof.

FAQ'S

Frequently Asked Questions

  • How long does HVAC installation take?

    Most residential systems can be installed in one day. More complex systems or large commercial projects may take longer. We’ll give you a clear timeline during your estimate.

  • What’s the best HVAC system for my home?

    It depends on your space, energy goals, and comfort preferences. We’ll help you compare options and choose the system that fits your needs and budget.

  • Do I need to replace my ductwork too?

    Not always. If your ducts are in good shape and properly sized, we can reuse them. If they’re leaking or restricting airflow, we may recommend repairs or replacement.

  • Will I save money on energy bills with a new system?

    Yes. Modern HVAC systems are significantly more efficient than older models. You’ll likely notice lower utility bills and improved comfort immediately.

  • Is the installation covered by a warranty?

    Yes. All systems we install come with manufacturer warranties, and our workmanship is backed by our satisfaction guarantee.

Schedule Your HVAC Installation Estimate Today

Ready to upgrade your comfort? Russells Heating Air Conditioning provides expert HVAC installations with honest advice, clear pricing, and workmanship you can count on.