Same-Day Service | Free Estimates | Licensed & Insured

Better Together with Day & Night
“We poured our hearts into building A Desert Oasis and serving our community with honesty and pride. As we step into retirement, we’re confident that Day & Night is the right partner to continue that legacy. Their values align with ours, and we know our customers are in great hands!”
Jesse Head – Owner, A Desert Oasis
Day & Night Air Conditioning, Heating, & Plumbing
More than 7,000 5-Star Reviews
Top Rated Comfort Experts—Our Reviews Speak For Themselves
Contact Day & Night Air Conditioning, Heating, & Plumbing for quality, dependable service, and see why we’re a top-rated home service provider in the Arizona Valley.

Byron is an excellent technician. Very friendly and knowledgeable. I appreciate the fact that he kept me informed about my hot water tank issue and helped me understand all the different options that were available. This service experience with Byron was great.

Aaron was awesome! He was quick and efficient and super helpful with what I needed. Rachel is customer service was very friendly getting me on the books for same day help. Great company and I will definitely use them in the future for any plumbing needs.

Ivan was wonderful. He explained the whole process and showed me what he had done and had given me options for the repairs that he thought HVAC needed. He was very professional and knowledgeable. He was a warm and friendly person which I appreciated.
Expanded HVAC & Plumbing Services Across the Arizona Valley

A/C Repair, Maintenance & Installation
Noticing your A/C isn’t cooling like it used to? The issue could be the system itself—or a miscalibrated thermostat.
Day & Night techs have the equipment and knowldge to tackle any A/C issue.
Plumbing Repairs & Installations
We handle a full range of plumbing needs in Phoenix: routine maintenance, water softeners, stubborn drain clogs, water heaters, and reverse osmosis systems.

Heating Installation & Maintenance
Rolling out of bed to a cold, silent furnace is a rough start. In Phoenix’s cooler nights, a heating breakdown can really pinch you. Our techs are efficient and knowledgable to get your heat working again quickly.

Sewer & Drain Services
A blocked drain can derail your routine fast. From washing hands to tackling dishes, one clog turns simple chores into frustration and potentially additional expenses if the issue goes unresolved.

Heat Pump Installation & Repair
Whether it’s installation, tune-ups, or repairs, Day & Night keeps your heat pump performing at its best—cool through blistering summers and warm when the desert nights get chilly.
Trusted Since 1978
Day & Night is there when you need us! From simple HVAC or plumbing repairs to major renoavations, we build trust through quality, dependable service.