AC Repair
No cool air, weak airflow, strange noises, ice on the lines — we find the real problem and fix it right, usually on the first visit.
HVAC Contractor — Phoenix, AZ · Est. 2007
Doug Willemin Heating and Air Conditioning
Phoenix heating and air conditioning — when the desert heat hits, this is the crew that gets your cool air back fast.
01 — What We Do
Heating & Cooling Services in Phoenix
From a dead AC in August to a furnace that quits in January, one local crew handles repair, replacement and maintenance — at a flat price you approve first.
AC Installation
New high-efficiency systems sized right for your home and installed in about a day — with the warranty registered for you.
Heat Pumps
Year-round heating and cooling from one efficient system — installed, serviced and repaired by our own technicians.
Furnace & Heating Repair
No heat is never a small problem. Fast, safe furnace and heating repairs that keep your family warm — day or night.
Maintenance Plans
Two tune-ups a year, priority scheduling and member pricing on repairs — the cheapest way to avoid a breakdown.
Emergency Service
AC dead in a heatwave or furnace out in a freeze? We answer 24/7 and roll trucks day and night.
19+ YearsKeeping Phoenix Comfortable
02 — Why Doug Willemin Heating and
Comfort You Can Count On. A Crew You Can Trust.
We live and work in Phoenix. Every job is done by our own technicians, priced before we start, and backed in writing — so your home stays comfortable in every season.
10-year warranty on new systemsParts and labor covered in writing on every new installation — registered for you, no paperwork chase.
Upfront, flat-rate pricingYou approve the exact price before work begins. No hourly meter running, no surprise add-ons.
Our own local techniciansTrained, insured Phoenix techs on every call — never a subcontractor you've never met.
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Years in Business
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Jobs Completed
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Year Warranty
24/7
Emergency Service
03 — How It Works
From First Call to Cool, Comfortable Air
Most repairs are diagnosed the same day and many new systems are installed within the week. Here is exactly what happens.
01
Book & Diagnose
Call or book online. A technician arrives on time, diagnoses the system, and shows you exactly what is wrong — with photos.
02
Upfront Price
One flat price for the repair or the new system, approved by you before any work starts. It never changes mid-job.
03
Repair or Install
We fix it right or install your new system, protect your floors, and haul the old unit away when we leave.
04
Comfort Guaranteed
We test everything with you, register your warranty, and stay one phone call away if anything ever feels off.
04 — Recent Work
Work We Are Proud Of
Recent installs, repairs and tune-ups around Phoenix and the surrounding communities.
AC Out? Heat Not Working? We Can Help Today.
Same-day repairs and free estimates on new systems anywhere in the Phoenix area. Most calls answered within the hour.
05 — Contact
Talk to Doug Willemin Heating and Today
Call or Text
(623) 247-4300Service area: Phoenix & surrounding communities