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Why Service Unlimited?

Local businesses partner with Service Unlimited because we:

Provide Dependable Service

As a family-owned business, we care about local relationships. We’re ready to help whenever you need us. Because, with SUI, you’re more than a client—you’re part of the family. Whenever HVAC problems arise, you can count on your partners at SUI to help find a solution.As a family-owned business, we care about local relationships. We’re ready to help whenever you need us. Because, with SUI, you’re more than a client—you’re part of the family. Whenever HVAC problems arise, you can count on your partners at SUI to help find a solution.

Driven to Solve Problems

While other HVAC companies focus on locking you into long-term contracts, SUI does things differently. We don’t settle for any outcome; we want what’s best for your business. Our dedicated staff is excited to troubleshoot and fix your HVAC issues. We’re driven to solve your system’s problems, as we know the quality of your mechanical contractors directly affects your HVAC unit’s performance and longevity. Service Unlimited strives to be your lifetime partner. Not through lengthy contracts, but by delivering dependable service you can count on.

Dedicated to a Positive Environment

Service Unlimited has provided HVAC solutions to local businesses since 1984. Our relationship within the community is a key reason why we’ve sustained decades of growth.

Our partners know SUI does things differently. Both our employees and customers trust SUI to deliver quality service by prioritizing a sense of community. This mutual trust within the community is seen in our testimonials.

Client Testimonials

Service Unlimited is a trusted provider for high-quality HVAC solutions. But don’t just take our word for it—see what our previous customers have to say.

“Great company! The service was done right the first time, and I could tell the person was an expert in their field.”

Dave C.

“I was moved by the professionalism, hard work, and respectfulness of Alex and Joe and want to make sure the bosses know what great workers they have. I can’t say enough about how they were respectful of myself and my home and how hard they worked. SUI has outstanding employees!”

Diane S.

“Hector performed a much-needed service call on my establishment’s oil boiler. Hector was extremely thorough and professional in all work that was performed. Perfect example of quality and all around craftsmanship.”

Matt S.

“Complete confidence in SUI and the work they do. They are efficient and resourceful; they collaborate with each other if one is ‘stumped’ or finds something irregular; they work quickly to restore service but not so quickly so they miss something.”

Kevin C.

Full-Service General Contractors in Delaware

Service Unlimited strives to be your one-stop shop for everything HVAC. Our expert staff provides end-to-end solutions, including:

Installation

SUI’s qualified technicians have years of experience in all types of installation. We specialize in turnkey design, engineering, and all types of HVAC system installation.

Discover SUI’s Installation Services ▸

Service

Your system’s dependability has a direct impact on the efficiency of your workplace. Service Unlimited helps ensure a productive operation by delivering in-depth HVAC service to keep your unit running well.

See Our HVAC Solutions▸

Preventive Maintenance

Regular HVAC maintenance promotes the longevity of your equipment and reduces the need for costly repairs. During our preventative service, SUI makes the necessary adjustments to help your unit run efficiently.

Keep Your HVAC in Top Shape ▸

Frequently Asked Questions

Does your HVAC system need some attention? Are you having trouble navigating service agreements? See if these FAQs can help.

Can I Place a Service Call if I Don’t Have a Contract With SUI?

Yes. At Service Unlimited, we’re happy to service non-contract customers. We encourage first-time customers to schedule a follow-up visit, where we’ll provide free evaluations on preventative maintenance agreements, helping you avoid unnecessary breakdowns and expenses in the future.

Who Do I Call To Schedule a Service Agreement?

Ryan O’Hara is our technical sales associate, and he’s happy to give you information regarding our service agreements. Feel free to reach Ryan directly at (302) 356-1264 or call our main office at (302) 326-COOL.