If you hire this pro, you’re covered by a money-back guarantee. Learn more
If you hire this pro, you’re covered by a money-back guarantee. Learn more
About
Veteran-Owned HVAC Services
At Semper Saez Services, we believe quality HVAC and PLUMBING shouldn’t come with hidden fees and price gouging. As a licensed and EPA-certified team based in Roselle, our mission is to provide transparent, documented workmanship on a schedule that fits your life—evenings and weekends included. We don’t just repair and maintain systems; we build trust through step-by-step accountability and a 1-YEAR LABOR WARRANTY, delivering quality you can count on long after the job is done.
Our Business Hours:
Monday – Friday: 5:00 PM – Midnight (Perfect for after-work appointments with no evening surge fees!)
Saturday & Sunday: Open All Day
“Semper Saez Services: Always Faithful to Your Home & Budget.””
Overview
Hired 13 times
Serves Roselle, IL
Background checked
Business hours
Sun12:00 am - 11:59 pmMon5:00 pm - 11:59 pm
Payment methods
This pro accepts payments via Apple Pay, Cash, Check, and Zelle.
Services offered
Type of heating system
Heating system problems
No problem, just need maintenance
No heat
Not enough heat
Unusual noises from inside
Building height
Single-level
Two-story
Three-story
High-rise
Projects and media
Projects and media
Reviews
Customers rated this pro highly for professionalism, work quality, and value.
Exceptional 5.0
14 reviews
5
100%
4
0%
3
0%
2
0%
1
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Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
Mark R.
Apr 4, 2026
•
Hired on Thumbtack
The experience from start to finish was top notch. Julio was responsive and communicated effectively and smoothly every step of the way sending pictures of what he was seeing and his recommendations. He didn’t try to oversell me something I didn’t need. He assessed a problem with a leaking dehumidifier connected to my furnace. He was dedicated to getting the job done correctly and always spoke with integrity and expertise. He found the parts needed to fix the job and sent me a link with the details. He provided options on how to address the problem. His labor comes with a one year warranty. I highly recommend him and would use him again across any of my properties.
Details: Furnace • Leaking • Closet • Three-story building • Condo or apartment • Owner
Heating System Repair or Maintenance
Waseem A.
Sep 18, 2026
•
Hired on Thumbtack
Highly recommend! Julio was exceptionally professional and very knowledgeable. He took the time to analyze the issue and come up with most efficient solution. He explained everything to me and took the time to answer all my questions with a smile. Above all, he is honest, and that is something very very rare nowadays!
Heating System Repair or Maintenance
Iris M.
Sep 18, 2026
Julio was promoted, professional and best price I got. Cleaned out my HVAC & sliced the gas smell we had due years. Ty for educating us and being responsive. Definitely recommend and hire again for maintenance.
Dan B.
Apr 19, 2026
I spoke with Julio who was extremely responsive and communicated well. I was happy because he showed up when he said he was going to and did a great job. When he found an issue, he showed me and explained it to me (capacitors were bad) he didn’t price gouge and had the job done in no time. Would highly recommend.
Kennie J.
Jul 16, 2026
This experience was elite. Julio went above and beyond and did all the diagnostic test that we needed. He helped clean our system and make sure we are now running perfectly
Credentials
Background Check
Julio Saez
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
Competitive Rates:
* Diagnostic Service Call: $65
* Labor Rate: $80/hr (Backed by our 1-Year Warranty)
* After-Hours/Emergency: $125/hr
HVAC Expert Maintenance Per Unit:
* AC Clean & Check: $65
* Furnace Clean & Check: $65
* Humidifier Clean & Check : $45
* Deep Evaporator Coil Cleaning: $200
* Blower Motor Cleaning: $150
* Boiler Tune-Up: $95
Thermostat Replacement (Labor Only):$75–
$240
Full House Rewire and Thermostat Installation:
$400-$1000
PLUMBING Water Heater Maintenance/Flushing/Descaling
* Standard Tanks: $125
* Tankless Systems: $200
DRYER VENT CLEANING PER UNIT: Starting at $150
Duct Sealing (Mastic/Tape):
$150 – $400 (per main section)
Please ensure new filters or water panels are on-site prior to the technician’s arrival. Note that parts, repairs, and installation are not included in the maintenance service fee
“Your Comfort is Our Mission.”
What is your typical process for working with a new customer?
As a Marine veteran transitioning to an HVAC service technician brings a unique blend of discipline, problem-solving under pressure, and mission-oriented focus to the trade. My process with a new customer is often characterized by precision, clear communication, and high standards of cleanliness and safety, designed to build trust quickly.
What education and/or training do you have that relates to your work?
AAS degree in HVAC Service Technician/ Refrigeration.
Universal EPA
Gas/ Nicor certificate
