Certified by NisAir Air Conditioning & Heating • Aug 16, 2026
About
Certified by NisAir Air Conditioning & Heating • Aug 16, 2026
HVAC ContractorPlumber
NisAir Air Conditioning has served Martin, Palm Beach, St. Lucie, and Indian River counties since 1973, providing expert air conditioning installation, AC repair, heating services, and full HVAC maintenance for homes and businesses. Our licensed and insured team delivers emergency HVAC repair, indoor air quality solutions, and dependable comfort year-round. Choose NisAir for professional, customer-focused HVAC solutions on the Treasure Coast.
Location
Certified by NisAir Air Conditioning & Heating • Aug 16, 2026
Certified by NisAir Air Conditioning & Heating • Aug 16, 2026
MondayOpen 24 Hours
TuesdayOpen 24 Hours
WednesdayOpen 24 Hours
ThursdayOpen 24 Hours
FridayOpen 24 Hours
SaturdayOpen 24 Hours
SundayOpen 24 Hours
Products & Services
1 list · 14 items
Explore offerings from NisAir Air Conditioning & Heating on 3700 S US Hwy 1 in Fort Pierce, with popular services available at this location.
Services
14 items
Services
Aeroseal Clean & Seal
After Hours Call
Estimate
Install - Duct
Install - Equipment
Install - Insulation
Membership Maintenance
Non-Membership Maintenance
Premium Service Call
Service Call - No Cool
Service Call - No Heat
Service Call - Other
Service Call - Water Leak
Tune-Up Special
Reviews
4.8
509 reviews
5 stars
474
4 stars
12
3 stars4
2 stars6
1 star
13
MP
Mary Lou Perlman
2 days ago
5.0
Juan did an excellent job. He is very thorough & explains everything very patiently to me.
LL
Lindsay
3 days ago
5.0
NisAir has been my go to for years, never used another A/C company and never will as long as we live in the area. Anytime a tech has come out they are always professional, friendly and efficient!
NH
Nancy Halliwell
Aug 2, 2026
3.0
Juan was fine in that he came when expected and did the diagnostics. My problem is that the charge for a very simple nitrogen treatment was excessive and there was no reduction in charge to treat the second line. My air handlers are in an air conditioned room in my garage—no climbing into the attic, so minimal effort for Juan. I’ve been a regular customer of NisAir for years, and because I was dealing with a family death, I had delayed my usual maintenance by a couple of months. But I had also invested in the UV light last year, which didn’t appear to make a difference, and now he was trying to sell me on another treatment. My leak is fixed—thank you, but at a high price.
SM
Susan Mercado
Aug 2, 2026
2.0
The installation was fine, but unfortunately, the thermostat is not working after they put the damper two units thermostat are stuck on the way and the main thermostat was off as well
BB
Barry Bicknell
Jul 28, 2026
5.0
We have been customers of NIS Air, Stuart four 20yrs. Originally Recommend by my builder. NIS Air provided installation and Great Service over the many years, this is how you build a Trusting Ling Term Relationship . So when it came time for a new system, Only one call to make👍.
Thanks Again NIS Air.
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