Answering live — 24/7
(602) 932-6858
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4.9 Google · 400+ reviews 
When your AC quits in 110° heat, you don't need a sales pitch — you need fast, emergency AC repair and a tech at your door. That's what we do, and only what we do — fast AC repair in Tempe, Mesa, and across the East Valley.
Call before noon and our techs are at most East-Valley doors before dinner. Live dispatch — no robotic answering tree.
You see the number before we touch a wrench. No surprise charges, no "while we're here" upsells. Approve, then we work.
Every truck is staffed by a Shamrock employee — fully background-checked, NATE-trained, in branded uniforms.
Nights, weekends, holidays — the rate is the rate. Phoenix heat doesn't take days off, and neither do we.
Low refrigerant, dirty coils, failing compressor — we test the whole chain.
Bad capacitor, contactor, thermostat, or breaker. Most are a same-day fix.
Airflow blockage, low refrigerant, or bad blower — we find the root cause.
Banging, hissing, grinding — each points at a different part. We listen, we know.
Clogged drain line, frozen coil, or cracked pan. Stop the ceiling damage today.
Tune-up, refrigerant check, or aging unit assessment — we tell you the truth.
Founder & Co-Owner
30+ yrs HVAC experience
Co-Owner
Service Tech
16+ yrs Phoenix
Service Tech
Real reviews, real names, pulled verbatim from Shamrock's Google Business Profile.
"I arrived home from work to find our air-conditioning not working. Within 30 minutes we had service at our front door. Thanks to Matt with Shamrock Heating and Cooling, within 1 hour our house was cooling down. Awesome service!"
— Jean Howard
"For 10 years I've used Shamrock; reliable, professional, and knowledgeable. Recently called with an AC problem; within 1 hour, Sean was at my door, assessed the problem and fixed it on the spot!!! They are the BEST!"
— Carolyn Bellis
"Friendly and efficient, showed up on time and diagnosed and fixed my AC within an hour. Great experience all the way through."
— Steve Mulcock
"Daniel was very competent and professional!! He took great care to explain the condition of our AC."
— Dave C.
"Friendly, on-time and professional. No high pressure sales pitches… just honest information."
— Thomas Hajec
"Amazing experience with Shamrock when I was having issues with my AC unit. Thank you for getting cooled off quickly!"
— Will Kellermeier
Mention this page when you call. Both offers stack with our no-overtime nights/weekends/holidays pricing.
We waive our diagnostic fee when you book your repair. Honest upfront pricing, you approve before we work — no overtime charges nights or weekends.
Claim free diagnostic · (602) 932-6858Save $50 on any AC repair over $300. Honest, upfront pricing — you approve before we work, no overtime charges nights or weekends.
Claim $50 off · (602) 932-6858Limited time. Mention "AC-Repair offer" when you call. Cannot be combined with other written quotes. Call for full terms.
From AC repair in Tempe and Mesa to Chandler, Gilbert and Scottsdale, we deliver same-day service across the East Valley.
24/7 emergency line — live answer, no robots.
Call (602) 932-6858 now Prefer a callback? Tap here.