Family Owned & Operated

Quality Air Conditioning

& Heating Services

High-Quality Air Conditioning & Heating Services

Doesn’t it seem like heating and air conditioning systems always go down at the worst possible time? While these kinds of issues are always inconvenient, having an HVAC contractor that you can count on makes life a little less hectic. The experts at Nick Dolinic LLC have the experience and work ethic to take care of your heating and cooling needs, while also providing you with peace of mind.

Why Choose Us?

Money Back Guarantee

Maintenance Plans Available

Fully Licensed and Insured

Free Estimates on New Systems

Second Opinions On Quotes From Other Contractors

Fair, Straightforward Pricing

Qualified HVAC Contractors You Can Trust

We offer reliable heating and cooling services at competitive rates for people in South County, St. Louis County, West County, North County, St. Louis City, Central, Jefferson County, and the surrounding areas. These services include:

Residential
Commercial
New Construction
AC Repair & Service
AC Installation
Heat Pump Repair & Service
Heat Pump Installation
Furnace Repair & Service
Furnace Installation
Boiler Repair & Service
Boiler Installation
Indoor Air Quality
Control & Thermostats
Gas Liner Repair
Chimney Liners

Professional AC Repair and AC Installation Services

If you need a new AC installation or AC repairs, our skilled, well-trained, and honest technicians can help. We’re focused on providing our customers with an unmatched quality of work, as well as outstanding customer service.

Professional Heating Repair and Heating Installation Services

Whether you’re looking for heating repairs or a new heating installation, our contractors have the experience that you can count on. There’s nothing more important to us than providing our customers with the best heating services possible.

Charleen K
Very happy with our installation. Very professional service and done timely and neatly. When the inspector came to inspect the unit, he said Nick Dolinic did a great job installing a great product. Kudos for a job well done.
Barb C
They were very professional and I felt like I could ask them any questions about my new system. I would recommend to all my family and friends. Thanks
Sharon H
The tech was very professional in both appearance and workmanship. I had just had another company out a week prior and still had the same issue that only became worse. Within minutes the tech pinpointed the problem called my warranty …
Diane N
Nick and his whole staff are so professional. You are in good hands with all of them. We are so thankful that we had them install our new hvac. It was a great experience from start to finish.
Jim
We have had Nick and his crew doing our routine maintenance for several years now. Always have done a fantastic job in a efficient and professional manner. Would recommend them for all heating & cooling items.
Christopher F
The A/C unit that Nick installed had some ongoing manufactured defects. Nick was amazing at working overtime to find me a replacement since I had family coming for the weekend. This is a great company with lots of integrity.
Bob
The men came when they said they would. They were respectful of the house--put down tarps over the carpeting where they would walk and carry the old and new units. They were polite. Good clean-up after the work was done. Explained how …
Tom
All the employees were very professional, and punctual. The salesman knew his stuff, and the installers were in and out in no time, leaving the place spotless. I would definitely recommend this company to my friends. Thank you for making…
Jon
Nick Dolinic, assisted by teammates Djuro and Dejana, installed our new furnace, central air conditioner unit, and water heater in December, 2016. We selected Nick Dolinic due to his proposal's responsiveness to our desired equipment …
Luka
Thank you Nick for your excellent work so efficiently and fast completed. We feel very comfortable knowingly you are there for us, capable to efficiently and urgently solve any problem on our property.

Thanks and all the best.

We're Committed to Building Lasting Relationships in Our Community

We’re honored to be known as one of the top HVAC service companies in and around South County, St. Louis County, West County, North County, St. Louis City, Jefferson County, and Central. In addition to our workmanship, we also pride ourselves on our customer service. Our clients are our number one concern, and we’re committed to building lasting relationships based on trust.

A NAME YOU CAN TRUST

Family Owned & Operated

Quality Air Conditioning

& Heating Services

INSTALLATION

REPAIR

MAINTENANCE

SPECIALS