Quick answer: A new AC installation in Fountain Hills follows five steps: Manual J load calculation, equipment and placement, access planning (sometimes a crane), Town permit and inspection, then startup checks and SRP rebate paperwork.
“New installation” covers three different jobs: replacing an old system, adding cooling to a space that never had it (an addition, garage conversion or casita), or fitting out a custom build. Each one starts the same way, with a load calculation, and each has Fountain Hills details worth knowing.
Step 1: Load calculation
A Manual J calculation sizes the system for your actual house. Hillside homes with large view windows often need more capacity in a few rooms and less overall than the old equipment suggests. SRP requires a Manual J for single-stage systems to qualify for its rebate.
Step 2: Equipment and placement
We will discuss heat pump vs. AC with furnace, single- or multi-stage, and ductless options. Placement matters on sloped lots: the outdoor unit needs a level pad, clearance for airflow and service, and a reasonable line set run to the indoor unit.
Step 3: Getting it there
Rooftop package units and condensers on high pads may need a crane. Cranes need a level spot and sometimes a street closure or HOA notice. Your quote should include this rather than adding it later.
Step 4: Permits and inspection
Permits in town go through Fountain Hills Building Safety at Town Hall, 16705 E. Avenue of the Fountains (480-816-5123). Applications are filed online in the town’s TOPPS system, and inspections run 7 a.m. to 4 p.m. on weekdays. The town adopted the 2024 International Mechanical, Residential and Energy Conservation Codes for applications received on or after September 1, 2025. Whether a straight equipment swap needs a permit is Building Safety’s call, so we confirm it for your address and pull the permit when one is required.
Step 5: Startup and rebates
At startup we check refrigerant charge, airflow, temperature drop and thermostat setup, and we register warranties. If the system qualifies for SRP’s Cool Cash rebate, we provide the AHRI certificate and paperwork you need to apply within SRP’s six-month window.
Additions and casitas
For a single room or casita, a ductless mini-split is usually the cleanest answer. It avoids tying into an already-stretched main system. See mini-splits for hillside homes.
Common questions
Do I need a load calculation?
Yes for proper sizing, and SRP requires a Manual J for single-stage systems to get its rebate.
How long do I have to apply for the SRP rebate?
Six months from installation.
What is best for a casita?
Usually a ductless mini-split.
Planning a new installation? Call 480-336-2721 and tell us your street or neighborhood in Fountain Hills.

