Serving Oswego, IL and surrounding areas
Approved
In business since 2012
Free estimates
Emergency services offered
"Al was very friendly. Came out in the evening and replaced the piping in about 2 hours. I would hire this company again. great service."
+146
Serving Oswego, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2012
Free estimates
Emergency services offered
"2 gentlemen from Copper Sky Plumbing to fix a gas leak. They arrived on time, explained the repair and got to work. They completed when they promised and explained my next steps to get the gas flowing again. Very happy with the work."
+39
Serving Oswego, IL and surrounding areas
Approved
Super Service Award Winner
In business since 2021
Free estimates
Warranties offered
"David was Well mannered and polite he answered every question I had, came on time and did the job that 3 other plumbers denied because my house is old n they were scared to cause more damage than what was already broken. The job couldnâ  t have been done any better â ︠â ︠â ︠â ︠â ï¸Â"
Serving Oswego, IL and surrounding areas
Approved
Emergency services offered
Customers say: True professional
"DLA was upfront with what needed to be done when I had a leaking pipe and offered options with clear cost. Professional and personable. Will be hiring again."
+5
Serving Oswego, IL and surrounding areas
Approved
Super Service Award Winner
In business since 1993
Emergency services offered
Warranties offered
"Very good customer service from both call center and plumber tech that did the work. Jeremy did a good job of explaining what was needed to complete the repair and provided choices on which replacement pump to install. Professional and courteous!"
Serving Oswego, IL and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"They quickly answered the phone and quickly sent someone to my house. That was so appreciated as the repair was for a dryer gas line connector. Jim was courteous and knowledgeable. He explained everything so I could easily understand and recommended only the repair that was necessary. Highly recommended."
+12
Serving Oswego, IL and surrounding areas
Approved (Corporate)
In business since 1971
Free estimates
Emergency services offered
"Our furnace broke down last week, I had 3 estimates with other companies. However, were pleased with the warranty and coverage offered by Four Seasons Heating and Cooling. The installation process truly EXCEEDED my expectations. Both techs arrived on time and respected COVID-19 guidelines- very knowledgeable, courteous, went above and beyond with removing old furnace and installing new one. Previous company that installed our old furnace made multiple errors, but Jermaine (tech) had a great deal of patience throughout the difficult challenges in replacement (moving gas pipe, electrical wiring, vent pipes, etc.). He would keep me up to date on the process throughout the day. You'll definitely be lucky if you're scheduled with this AMAZING tech! After a week with no heat I finally have a very warm house and I'm a super happy customer!"
Serving Oswego, IL and surrounding areas
Approved
In business since 2002
Free estimates
Emergency services offered
"Don came out & fixed the issue with the gas leak coming out of the furnace within 15 minutes. He then helped with my Nest thermostat that reset & wasn't turning back on. He was very courteous & knowledgeable."
Serving Oswego, IL and surrounding areas
Approved
25 years in plumbing and pipefitting
Serving Oswego, IL and surrounding areas
Approved
Warranties offered
Small jobs welcome
Offers commercial services
Semper Fidelis Services brings military-grade discipline to HVAC and plumbing. Founded on the principle of being "Always Faithful" our team offers 10+ years of technical experience, including an AAS in HVAC/R and Universal EPA certification. We specialize in high-quality, reliable residential and commercial services with a strict commitment at doing the job right the first time.
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