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Email: Service@4-hvac.com
Our HVAC Services
Reliable, efficient comfort—built for Arizona homes, garages, and businesses.
Home Garage A/C Units
Efficient mini-splits for garages, man caves, and bonus rooms—quick installs, strong cooling, low energy use.
Residential A/C Systems
Whole-home comfort with high-performance systems. Price-match warranty + free 3-year annual inspections.
Commercial A/C Units
Reliable, scalable cooling for shops and offices—built for long runtimes, heavy loads, and easy service.
What is SEER?
SEER = Seasonal Energy Efficiency Ratio. It’s the total cooling a system delivers in a typical summer divided by the electricity it uses. Higher SEER ⇒ more cooling per watt and lower utility bills.
Since 2023, most new systems start around SEER 14–15. In Arizona’s long, hot seasons, moving up even a few points can shave a noticeable chunk off summer bills.
SEER 14–15
Best for tight budgets, rentals, or low runtime homes. Meets federal minimums; least upfront cost, highest operating cost.
SEER 16–18
Popular in AZ for primary homes. Strong balance of price & efficiency; quieter and often eligible for utility rebates.
SEER 19–22+
Top efficiency & comfort (variable-speed). Higher upfront, lowest bills—pays off fastest for large homes or heavy summer use.