Mobile home AC service covers repair, maintenance and replacement of the package units, heat pumps and ductwork in manufactured homes. Common problems are leaky belly ducts, undersized equipment and corroded package units. We service communities across Miami-Dade, including Homestead, Medley and the western suburbs.
Written by Sylvia Denton, HVAC Guides Editor. Updated 2026-09-22.
Most manufactured homes use a package unit or a split system with ducts that run under the floor through the belly of the home. Those ducts tear, separate and lose air into the crawl space.
Equipment must be matched to the home's size and the HUD data plate, and condensers or package units need proper tie-downs in South Florida.
We repair and replace mobile home AC systems and fix underfloor ducts so cool air reaches the rooms instead of the ground.
Pricing
What mobile home AC costs in Miami
$145 to $395Repair visit
Most common fixes.
$350 to $850Crossover duct replacement
Between home sections.
$450 to $1,500Underfloor duct repair
Depends on damage.
$5,800 to $9,500Package unit replacement
Installed with tie-downs.
$6,200 to $10,500Split system replacement
Depends on size.
Typical 2026 Miami-Dade ranges, not a quote. Home size and access affect pricing.
Benefits
What mobile home AC service fixes
Weak airflow from torn belly ducts
Rooms that never cool
High FPL bills
Corroded or failing package units
Equipment that is not properly tied down
Process
How mobile home AC service works
1
Check the equipment
Package unit or split system tested.
2
Inspect underfloor ducts
Crossover and belly ducts checked for leaks.
3
Repair or size replacement
Equipment matched to the home.
4
Seal ducts
Leaks and separations repaired.
5
Test
Airflow and temperature verified in each room.
Local context
Manufactured homes in Miami-Dade
Manufactured home communities are concentrated in Homestead, Florida City, Medley and western Miami-Dade.
Underfloor ducts take a beating from heat, moisture and animals, and leaks there waste a large share of cooling.
Hurricane season makes secure tie-downs on outdoor equipment especially important.
