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
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
Transparent Pricing:
System Troubleshooting: $49 Diagnostic Call
Repairs: $80/hour labor rate (Most minor repairs average $150–$300 overall)
AC / Furnace Tune-Ups: $55 per unit flat rate
Water Heater Maintenance:
$100 (Standard Tank)
$150 (Tankless)
Dryer Vent Cleaning: $95 per unit flat rate
Additional Specialized Services: We also offer AC refrigerant top-off, refrigerant leak detection, leak repair, deep coil cleaning, boiler tune-ups, duct sealing, duct installation, motor replacement, humidifier replacement, and thermostat installations.
Please note: Ensure new filters or water panels are on-site prior to our arrival. Maintenance fees exclude parts and repairs.
“Semper Saez Services: Always Faithful to Your Home & Budget.””
Overview
Hired 10 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
Duct and vent type
Property type
House
Condo/Apartment
Townhouse
Business
Projects and media
Projects and media
Reviews
Customers rated this pro highly for professionalism, work quality, and value.
Exceptional 5.0
12 reviews
5
100%
4
0%
3
0%
2
0%
1
0%
Your trust means everything to us. Learn about our review guidelines.
Read reviews that mention:
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
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
Amol B.
Jul 11, 2026
•
Hired on Thumbtack
Julio was very responsive from the start, flexible to my change of schedule times, and cordial and helpful throughout the interaction. He answered all our questions, was truthful, and guided us well through making a decision at the end based on our situation.
We highly recommend Julio and will surely reengage him if anything comes up again.
Central Air Conditioning Repair or Maintenance
Jay s.
Apr 18, 2026
•
Hired on Thumbtack
Great experience with Julio. Very professional, reasonably priced, and knowledgeable. He even took before-and-after photos to show his work, which was a nice touch. I would definitely hire him again."
Details: Other gas line installation • As recommended by professional • Furnace • I would like to discuss with the professional • House • Owner
Gas Line Installation
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.
Credentials
Background Check
Julio Saez
FAQs
What should the customer know about your pricing (e.g., discounts, fees)?
Competitive Rates:
* Diagnostic Service Call: $95
* Labor Rate: $80/hr (Backed by our 1-Year Warranty)
* After-Hours/Emergency: $125/hr
HVAC Expert Maintenance Per Unit:
* AC Clean & Check: $95
* Furnace Clean & Check: $95
* Humidifier Clean & Check : $45
* Deep 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
