Zachary, LA

Emergency HVAC repairs

You can have walk in freezers and air conditioners repaired day or night. The convenience of our HVAC service set us apart from many air conditioning contractors with limited hours. Our clients enjoy cool homes without interruption to their busy schedules.

Residential air & Heating

Our air conditioner and heater replacements are backed by manufacturer warranties. You can rest easy knowing our AC installations are assured by more than 15 years of experience. We are available 24 hours a day with licensed and insured air conditioning service.


When commercial refrigeration repairs are needed, A&B Mechanical LLC is just a call away. Our Zachary refrigeration service brings fast results to walk in freezers and food storage units. We ensure proper temperature is maintained so perishable items are preserved.

Frequently Asked Questions

How often should I check my air filter?

Residential once a month we provide air filters that are good for 6 months to a year.

How can I increase the life of my heating and cooling systems?

The most important thing you can do is clean and replace your filters frequently. It also helps to install shades, blinds or curtains in your home to help insulation, so that your system isn't working overtime. 

What are the advantages of a programmable thermostat?

The best part of a programmable thermostat is being able to adjust your system according to your schedule. If you work away from home 8-hours a day you can program your thermostat to run less while you're away. Save on electricity and the longevity of your HVAC system.

Change in ID for renting a room

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