Commercial Rooftop Units
Custom Aire installs, repairs, and maintains commercial rooftop units across Bucks, Montgomery, and Philadelphia Counties in Pennsylvania.
Commercial Rooftop Units Built for Buildings backed by an In-House Sheet Metal Shop
A rooftop unit failure does not just mean an uncomfortable afternoon. On a flat commercial roof, it means tenants asking questions or a retail store that cannot keep customers comfortable during business hours. Custom Aire has served commercial HVAC customers across Bucks, Montgomery, and Philadelphia Counties for 57 years, working and installing Commercial rooftop package units for all applications.
Rooftop Unit Installation Sized to Your Building's Actual Load
Every rooftop unit installation starts with a load calculation, not a guess based on what’s already on the roof. Our team measures the building, accounts for occupancy and equipment loads, and recommends a unit sized to match, not oversized to sell a bigger ticket and not undersized to cut a corner. If you’re planning a full replacement rather than a repair, our commercial HVAC installation team handles the project from proposal through startup.
Custom Ductwork and Curb Adapters, Fabricated In-House
Swapping a rooftop unit rarely means a like-for-like drop-in. Roof curbs and duct transitions often need to be built to match the new unit’s footprint. Custom Aire fabricates that work in our own sheet metal shop in Bensalem, so we’re not waiting on a third-party supplier to keep a project on schedule.
24/7/365 Emergency Access
A failed rooftop unit does not wait for business hours. Custom Aire has on-call technicians and an after-hours answering service for commercial clients, and customers on a Planned Maintenance Agreement are not charged overtime rates for after-hours emergency calls. Our commercial HVAC repair team handles rooftop unit breakdowns the same way we handle any other system failure.
Start With a Straight Answer for Your Commercial Rooftop Unit
Whether you need a new rooftop unit installed, an existing one repaired, or a maintenance agreement to keep it running, Custom Aire is ready to take the call.
What a Rooftop Unit Installation or Replacement Looks Like
For an urgent rooftop unit replacement, we work to compress this timeline as much as equipment and crane availability allow.
Why Buildings Across Three Counties Choose Custom Aire
When a commercial rooftop unit went down at one client’s main office, our technician found a defective heat exchanger and shut the system down for safety. Our Comfort Consultant proposed a replacement rooftop HVAC system the same day. The unit was in stock, a crane was scheduled, and the new system was installed and tested by the end of the next business day.
Custom Aire has also worked with commercial and industrial properties including Veolia Environmental, Sterling Helicopter, Mod Storage, Urban Health Solutions, Merion Commercial Realty, Barsky Diamonds, and Metasource Corporation among many others.
Frequently Asked Questions About Commercial Rooftop Units
What size commercial rooftop units does Custom Aire install and service?
We work on rooftop package units up to 50 tons. We do not install or service chillers or cooling towers.
Does Custom Aire repair commercial rooftop units on an emergency basis?
Yes. We have on-call technicians and an after-hours answering service, and Planned Maintenance Agreement members are not charged overtime rates for after-hours calls.
Can Custom Aire fabricate custom ductwork or curb adapters for a rooftop unit installation?
Yes. We fabricate ductwork and curb adapters in our own sheet metal shop in Bensalem, so a rooftop unit installation isn’t waiting on an outside supplier.
How long does a commercial rooftop unit replacement take?
Timelines depend on crane scheduling and whether the unit is in stock. When we replaced a defective rooftop system for one commercial client, the new unit was installed and tested by the end of the next business day.
Is a maintenance agreement available for commercial rooftop units?
Yes. Ask about our commercial Planned Maintenance Agreements, which cover your rooftop unit and include no overtime charges for after-hours emergency calls.
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