“Diamond AC put a 3-zone mini split in our older Phoenix home — quiet, perfect temp in every room, heats great even on the coldest nights. Worth every dollar.”— Carlos V.
Get a Fast, Free Estimate on Your mini split install or replacement
Quiet, efficient ductless heating & cooling for any room or whole-home setup. 0% financing up to 18 months on qualifying installs. Serving Phoenix, AZ and surrounding areas.
Special June Financing Promotions Available
- $0Down Payment
- 0%Interest for 18 Months
- LowMonthly Payments
- 11 YrsFinancing Available
Subject to credit approval · Ask about seasonal incentives
Is this for a residential or commercial property?
Pick the option that fits your job.
Done right the first time — backed by 0% financing.
Heating + cooling in one
Modern heat pumps handle Phoenix summers and winters with ease.
0% financing up to 18 months
Comfort now, no-interest payments later.
Whisper-quiet operation
Modern inverter compressors are nearly silent indoors.
No ductwork required
Perfect for additions, older homes, and tough layouts.
Massive efficiency gains
Often 30–50% cheaper to run than baseboard or window units.
Clean, professional install
Tidy line set covers, level brackets, sealed penetrations.
0% interest. Up to 18 months. Real comfort, now.
Don't put off a failing mini split. With approved financing, you get the install done and pay zero interest while you do.
Get My Free Estimate →Free, no-pressure mini split estimate — with 0% financing built in.
Answer a few quick questions and a licensed Arizona HVAC tech will come out, look at the job, and give you honest written pricing — no obligation.
- Free on-site diagnosis & estimate
- 0% financing up to 18 months
- Same-week appointments for most jobs
- Emergency calls handled first
Is this for a residential or commercial property?
Pick the option that fits your job.
Licensed Arizona HVAC techs. Honest pricing. 0% financing.
Diamond AC & Heating has been doing it right across Phoenix and the surrounding areas.
(833) 906-6501Real mini split reviews from Phoenix homeowners
"Two-zone mini split for our master bed and home office. Whisper quiet and cools instantly."
"Converted our garage to a workshop and Diamond put in a single-zone mini split. Game changer in summer."
"Three-head ductless system installed across the upstairs. Each room can be set independently — we love it."
"Mini split for the casita. Install was clean, line hide looks factory, and the unit is super efficient."
"Old house with no ductwork — mini splits were perfect. Diamond made the install look easy."
"Quoted a ductless system from three companies. Diamond was the most knowledgeable about Mitsubishi units."
"Our addition needed its own zone. The mini split they installed handles it perfectly even at 115°."
"Whole-home ductless system. Five heads, one outdoor unit, and our power bill actually went down."
"Mini split install in our nursery — silent operation and zero hot spots. Baby sleeps great now."
"Couldn't be happier with the ductless setup. Diamond's crew was meticulous with the wall mount."
"Mini split in the sunroom. Finally usable in summer. Crew was friendly and respectful."
"Two-zone ductless install done in a single afternoon. Honest pricing, no surprise fees."
Your free mini split estimate is one step away.
Plus access to 0% interest financing up to 18 months on approved installs. No high-pressure sales — just real options.
- ✓ Free on-site estimate
- ✓ Same-week appointments
- ✓ 0% financing up to 18 months
- ✓ Licensed & insured Arizona HVAC techs
Is this for a residential or commercial property?
Pick the option that fits your job.