Capacitors and replacement units
For capacitor replacement, we use an OEM-matched start, run or dual capacitor, as required by the unit. Replacement rooftop AC options include a 13.5K BTU cool-only unit or a 15K BTU heat pump.
Installing a Coleman-Mach unit
When installing a Coleman-Mach unit, we lift it without using the outer plastic shroud as a lifting point. We orient the shroud nose toward the front of the vehicle.
We also check site conditions before assuming the ground is firm and even. Harlingen-series soil is very clayey, cracks when dry and allows water to pass through very slowly. Some areas are subject to rare flooding.

Checking cooling, drainage and the bezel seal
We run the system to check cooling output and drain function. After those checks, we apply lap sealant around the entire bezel perimeter.
13.5K BTU rooftop AC replacement cost
The flat-rate price range for a 13.5K BTU rooftop AC replacement is $1,200 to $1,800, including parts, labor and on-site dispatch.
Getting Started Is Simple
Here's how a request moves from first contact to a clear answer.
-
Reach Out
Tell us what you're seeing and when it started, you'll get a straight answer, not a sales pitch.
-
Fast Scheduling
A tech inspects the problem in person, no guessing from photos, no drive-by quotes.
-
Clear, Written Quote
You get the scope and the price in writing before any work starts. No surprises.
-
Job Done, Checked, Cleaned Up
Our crew does the work, checks it, and leaves the site clean. You see everything we did.
Depending on what we find, that can mean:
- Position the mount gasket over the roof opening and secure the ceiling-assembly frame with its four supplied bolts, washers, and springs; compress the gasket to the manual’s specified spring-coil contact. [Coleman-Mach installation instructions]
What to Expect to Pay
$1800–$2400
More Ways We Can Help
Where We Work
Based in Harlingen, TX. Call (956) 506-1781 to confirm coverage for your address.
What You Can Hold Us To
- Free Estimates
- You pay for work, never for the quote.
- No surprise charges
- If something changes, you hear the cost before we do it.
- We answer the phone ourselves
- A real person picks up, not a voicemail maze.
No-Pressure Inspections
(956) 506-1781Free Inspections, fast scheduling, (956) 506-1781.
Book an Inspection