AJAX HVAC PROFESSIONAL
Expert HVAC Repair You Can Count On
Whether your system is noisy, leaking, or not heating or cooling at all, Ajax Heating & Air Conditioning delivers fast, skilled, and reliable service — every time.
LIC #1157056
Our Services
COMPREHENSIVE
SOLUTIONS
Professional heating, cooling, and air quality services engineered for complete comfort and lasting reliability.
Heating Repair & Install
Reliable heating solutions to keep your home warm and efficient all winter long, from swift repairs to full system upgrades.
AC Repair & Maintenance
Fast, effective air conditioning services to restore your comfort during the most demanding summer heat waves.
Ductless Mini Splits
Diagnostic, Repairs and installation of Mini-Splits.
We help select the correct Mini-Split system With a pro install.
WHY CHOOSE AJAX
THE AJAX STANDARD
TRANSPARENT PRICING
We believe you deserve to know exactly what you’re paying for before any work begins. Our upfront pricing model ensures there are no hidden fees, unexpected surcharges, or overtime penalties. You approve the cost, and we deliver the comfort.
- Clear, upfront estimates before work starts
- No hidden overtime or emergency fees
- Competitive rates for premium service
24/7 Dispatch Response
HVAC breakdowns don't wait for convenient business hours, and neither do we. Our dispatch team is on standby 24 hours a day, 365 days a year to deploy fully stocked service vehicles directly to your door when emergencies strike.
- Always on call, day or night
- Fully stocked vehicles for fast repairs
- No extra charge for holidays or weekends
CERTIFIED EXPERTISE
Our technicians don't just fix problems; they engineer solutions. With rigorous factory training and full licensing, we service all major makes and models to exact manufacturer specifications—ensuring peak performance and longevity.
- Licensed, bonded, and fully insured
- Rigorous ongoing factory training
- Experts on all major HVAC brands
CUSTOMER EXPERIENCES
RATED FOR RELIABILITY
Ajax diagnosed and repaired our old A/C for a very affordable price.
It’s now working better than ever!
Mark T.
We used them for annual maintenance of our furnace and A/C. When our furnace finally gave out, their replacement options were informative and priced fairly.
Sarah J.
The technician diagnosed the airflow issue in minutes after two other companies failed. Fast, reliable, and incredibly knowledgeable team.
David R.
Schedule Today
RESTORE YOUR
COMFORT TODAY
Don't let a breakdown disrupt your peace of mind. Our certified technicians are ready to deploy and provide fast, transparent, and reliable HVAC repairs.
Modesto, Ca 95355
24/7 Response
(209) 360-5270
SERVICE AREAS
Stanislaus County
Merced County
San Joaquin County
Calaveras County
Sacramento County
LICENSING INFO
State Lic #1157056
Fully Bonded & Insured
NATE Certified Technician
EPA Certified
© 2026 Ajax Heating & Air Conditioning. All rights reserved.