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Claim This BusinessSemper Fi Heating & Cooling LLC operates from Peoria, Arizona, delivering residential heating and cooling solutions across the West Valley. The company maintains a 4.8-star rating derived from 1,489 client reviews, reflecting consistent service quality in a competitive market. Their around-the-clock availability ensures homeowners can request assistance regardless of scheduling constraints.
The contractor differentiates itself through factory-authorized expertise and comprehensive indoor air quality solutions. Several reviews reference heat pump installations, a specialized category requiring precise refrigerant handling and electrical integration. Their warranty-backed workmanship providesclients with reassurance following complex equipment installations.
Customer narratives reveal the team's technical persistence. One reviewer describes a months-long mini split Wi-Fi connectivity issue resolved only when technician Craig Lindsay diagnosed an unconventional interference source. Another client recounts multiple thermostat replacements before technicians correctly identified distance from air intake as the root cause. Both scenarios demonstrate diagnostic determination that prevents recurring repair costs.
Nearly 1,500 reviews yield a 4.8 average rating, with technicians named across multiple five-star mentions including Albert, Jose, Anthony, and Craig Lindsay. Recurring themes include same-day response during extreme heat, warranty-covered component replacements, and problem-solving beyond initial repair scope.
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| Wednesday | Open 24 hours |
| ThursdayToday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Diagnosticians address cooling failures, refrigerant leaks, and compressor issues with manufacturer-trained expertise.
Furnace maintenance, ignition repairs, and heat exchanger replacements for system reliability during winter months.
Specialized heat pump setup including thermostat integration, refrigerant charging, and performance verification.
Air purification and filtration enhancements improve respiratory conditions and reduce airborne contaminants.
Ductless systems require precise electrical work and refrigerant line routing with Wi-Fi connectivity configuration.
Gas tankless water heater installation represents an additional plumbing competency identified in customer reviews.
Continuous availability ensures same-day response for equipment failures regardless of time or day.