A manufactured home needs equipment and ductwork built for how it was put together: a low-profile floor or belly duct system, a compact package unit and tight space. Replacing the unit alone often leaves a leaky duct problem untouched. A licensed pro should inspect both before quoting.
Climate Pros Tucson matches homeowners with licensed local pros, including for manufactured and mobile homes in Pima County.
Why is manufactured home HVAC its own category?
Mobile homes make up 8.9% of housing units in Pima County and 5.6% in the City of Tucson, according to the Census Bureau’s 2024 American Community Survey. Their duct layout differs from a site-built house. Ducts usually run in the belly under the floor or in the roof cavity, and a crossover duct carries air between sections of a double-wide. A package unit that holds the coil, compressor and blower in one cabinet often sits beside the home or on the roof.
What does a pro check before quoting?
- The type of unit: split, package, or heat pump, and where it sits.
- The duct runs, including any crossover duct, for tears, disconnects and wet insulation.
- The electrical supply and breaker size for the new equipment.
- Whether the thermostat wiring can support a heat pump or needs to be replaced.
- The space around the unit and the home’s skirting, so air can move and service is possible.
ENERGY STAR says a typical forced-air house can lose about 20% to 30% of the air moving through ducts to leaks, holes and poor connections. With ducts in a belly that gets torn or disconnected, that’s why duct repair belongs in the conversation.
Heat pump or AC with a furnace?
A heat pump is the sensible default for a Tucson-basin home because the same unit cools through summer and handles mild winters. Ask the pro whether the electrical supply and duct size allow one. See heat pump vs AC in Tucson and split system vs rooftop package unit.
Do permits and rebates apply?
The City of Tucson lists permits for new or replacement heat pumps and air conditioners, and load and sizing calculations are required. The matched contractor pulls the permit. Manufactured homes can also have installation rules from other agencies, so ask the pro which ones apply at your address and park. TEP’s Efficient Home Program offers rebates through participating contractors for high-efficiency heat pumps and AC quality installs, as listed by TEP in October 2026 (up to $720 for a heat pump). The program applies when you retire an older working unit or a non-working AC. Confirm eligibility before you sign.
Renting a manufactured home in a park?
If you rent the home itself, not just the lot, the landlord duty applies. In Arizona a landlord must supply reasonable heat and reasonable cooling where such units are installed, and keep HVAC facilities in good and safe working order. If you own the home and rent only the space, the equipment is usually yours to fix, so check your lease. Read does a landlord have to fix AC in Arizona before you pay for repairs yourself.
How should you decide?
For a sense of scale, HomeGuide lists $3,800 to $7,000 to install a mobile home packaged unit, as a national figure (checked October 2026). That’s for mobile and manufactured homes only, not a Tucson price, and it doesn’t include duct repair. The written quote from the pro is the number that counts for your home.
Get the duct condition and the electrical capacity checked first, then compare a like-for-like replacement with a heat pump. Our duct leak repair guide explains the duct side. See AC installation and heat pump service for the work the pros we send handle, and the Tucson HVAC hub for areas covered.
When to call us
Call when your unit is failing, the home is uneven or hot in the back rooms, or you want a second look at a quote. Call (520) 353-2520 and we’ll match you with a licensed local pro.