Trusted Since 1928

A.J. LeBlanc is a 4th-generation, family-owned company serving Southern NH. We design A/C systems that cool evenly, run efficiently, and keep humidity in check. You get a clear recommendation and a straightforward quote.

Serving Bedford, Manchester, Nashua, Concord and nearby Southern New Hampshire towns.

A/C Options Install Photos

Financing Rebates

Air Conditioning Systems We Install

Central air conditioner installation in Southern New Hampshire

Central A/C Systems

Whole-home cooling through ductwork for a clean, hidden look.

New installs and replacements
Even cooling and improved airflow
Thermostat and control options

Air conditioning coil and air handler installation in Southern New Hampshire

Coils and Air Handlers

Matched indoor equipment for performance and long-term reliability.

Proper matching and sizing
Condensate and drain protection
Quiet, smooth operation

Ductwork evaluation and airflow balancing for central air conditioning in Southern New Hampshire

Airflow and Ductwork Checks

We look for the common causes of hot rooms and weak airflow.

Return and supply airflow checks
Filter and static pressure review
Simple fixes when needed

How It Works

Free Estimate

We review your home, comfort goals, and existing system. Then we propose options that fit your needs and budget.

Right-Size for Comfort

Correct sizing is everything. We design for even temperatures and humidity control, not just the lowest price.

Install & Verify

We install cleanly and test operation. We review settings, maintenance, and how to get the best comfort.

Financing and Rebates

Financing options are available with approved credit. Rebates and incentives can change and may depend on the system and program rules. We will help you understand what may apply to your project.

See financing options
See current rebates and incentives
We provide clear paperwork guidance for your install

Before You Request an Estimate

Helpful Info

Tell us which rooms run hottest and whether the issue is daytime, nighttime, or both.
Let us know if you have existing ductwork and where the air handler is located.
Share the age of your current A/C system if you know it.
If you have recent electric bills, it helps us estimate operating cost differences.
We can review options for efficiency, humidity control, and comfort.

If You Need Repair Instead

If the system is not cooling today, we can help with service and repair as well.
If you see ice on the coil or lines, shut the system off and call.
If water is leaking, turn the system off to prevent damage and call.
Call 603-623-0412 for help.

Award Winning - HVAC, Plumbing and Electrical Contractor

Our award winning team of heating technicians, air conditioning technicians, plumbers, gas fitters and electricians service and install all types of residential heating, air conditioning, plumbing and electrical systems. All of our employees are licensed, background checked and insured. We warranty all of our work with a workmanship quality guarantee. Complete our simple contact form to get a free HVAC, Plumbing or Electrical quote today.