1. Call or Contact Us
Reach out by phone at (818) 936-5643, by email at [email protected], or through our online form. Tell us what's going on with your system and where you're located — we serve all of Los Angeles and 20+ surrounding communities.
Local Service Area
NATE-Certified Tune-Ups for LA's Seasonal Shifts
Licensed, insured HVAC specialists serving Los Angeles since day one.
Schedule a Pre-Season Inspection
Los Angeles, CA
Peak-Season Ready. Every Season.
Service Catalog
Available Services
| Service | Scope | |
|---|---|---|
| AC Installation | Professional central air conditioner installation sized and configured for your Los Angeles home or business. | Details → |
| AC Repair | Fast, accurate air conditioner diagnostics and repair to restore cool air to your Los Angeles home or office. | Details → |
| Heating System Repair | Expert diagnosis and repair of furnaces, heat pumps, and wall heaters to restore reliable warmth throughout your Los Angeles property. | Details → |
| Duct Cleaning & Sealing | Thorough ductwork cleaning and professional mastic or aeroseal duct sealing to improve air quality and system efficiency in Los Angeles homes. | Details → |
| HVAC Maintenance & Tune-Up | Comprehensive seasonal HVAC tune-ups that extend equipment life and keep your Los Angeles heating and cooling system running at peak efficiency. | Details → |
| Thermostat Installation & Replacement | Professional thermostat installation and replacement — including smart and programmable models — for precise climate control in your Los Angeles home. | Details → |
| Indoor Air Quality Solutions | Whole-home air purification, filtration upgrades, and humidity control solutions designed to improve indoor air quality for Los Angeles households. | Details → |
How It Works
Simple steps from first call to finished job.
2. Schedule Your Appointment
We'll lock in a convenient appointment window that works for your schedule. Our team is available seven days a week from 8:00 AM to 6:00 PM, so you're never stuck waiting until Monday for the help you need now.
3. Diagnosis & Clear Estimate
Our technician arrives on time, inspects your system thoroughly, and gives you a clear explanation of what's needed along with an upfront estimate. No hidden fees, no pressure — just honest answers so you can make an informed decision.
4. Expert Service & Follow-Through
Once you give the green light, we get to work. Whether it's a repair, a full installation, duct sealing, or an air quality upgrade, we complete the job to a high standard and make sure you're fully satisfied before we leave.
Service Specifications
| Service | Typical Scope | Warranty |
|---|---|---|
| AC Installation | Professional central air conditioner installation sized and configured for your Los Angeles home or business. | 1 Year Parts & Labor |
| AC Repair | Fast, accurate air conditioner diagnostics and repair to restore cool air to your Los Angeles home or office. | 1 Year Parts & Labor |
| Heating System Repair | Expert diagnosis and repair of furnaces, heat pumps, and wall heaters to restore reliable warmth throughout your Los Angeles property. | 1 Year Parts & Labor |
| Duct Cleaning & Sealing | Thorough ductwork cleaning and professional mastic or aeroseal duct sealing to improve air quality and system efficiency in Los Angeles homes. | 1 Year Parts & Labor |
| HVAC Maintenance & Tune-Up | Comprehensive seasonal HVAC tune-ups that extend equipment life and keep your Los Angeles heating and cooling system running at peak efficiency. | 1 Year Parts & Labor |
| Thermostat Installation & Replacement | Professional thermostat installation and replacement — including smart and programmable models — for precise climate control in your Los Angeles home. | 1 Year Parts & Labor |
Frequently Asked Questions
When is the best time to schedule a pre-season HVAC inspection in Los Angeles?
For cooling season, a spring check in March or April — before temperatures consistently reach the 80s — gives your system time for any needed adjustments before peak demand. For heating season, a fall prep appointment in October is ideal. Los Angeles' climate means both seasons arrive with specific load requirements, and smart timing before each one prevents the scheduling compression that comes when systems start failing mid-season.
What does HVAC Proz's seasonal checklist include?
Our 24-point seasonal checklist covers filter and airflow review, duct condition review, refrigerant level check, comfort calibration, combustion safety check (for heating systems), attic heat gain check, humidity balancing, and a full system performance assessment. You receive a written scope before we begin and a photo-documented summary when the inspection is complete.
How does priority scheduling work for pre-season inspections?
HVAC Proz maintains dedicated member booking windows for clients who plan ahead. Pre-season inspection slots — particularly for summer prep and winter prep — are offered to returning and proactive clients before general availability opens. High-demand avoidance is one of the clearest benefits of scheduling on a consistent maintenance rhythm rather than waiting until the season is underway.
Will a regular tune-up actually extend my HVAC equipment's lifespan?
Yes — and the data from manufacturer guidance supports this clearly. HVAC systems that receive annual preventive service maintain efficiency ratings closer to their original specifications, experience fewer mid-season component failures, and typically outlast neglected systems by several years. Equipment longevity is directly tied to maintenance rhythm, not just equipment quality at installation.
Is HVAC Proz licensed and insured to work in Los Angeles?
Yes. HVAC Proz is a licensed and insured HVAC contractor operating in Los Angeles, CA. Our technicians hold NATE certification and perform all work to California code-compliant standards and within manufacturer guidance for each equipment type. Credential documentation is available upon request.
What should I expect on the day of my seasonal inspection?
Your technician will arrive within the scheduled window in clean crew presentation, confirm the written scope with you before beginning, and use protective covers on all work surfaces. Inspection findings are documented with photo updates throughout the visit. At completion, you receive a written summary of all findings, any recommended follow-up with a clear timeline, and confirmation of your next season start reminder. Daily communication and follow-up are part of our standard process.
Trusted & Certified
Licenses, Certifications & Guarantees
HVAC Proz meets the highest industry standards for safety, quality, and customer protection.
EPA 608 Certified Technicians
Our HVAC technicians hold EPA Section 608 certification, authorizing them to handle, recover, and manage refrigerants in full compliance with federal environmental regulations.
NATE-Trained Professionals
Our team follows NATE (North American Technician Excellence) standards for HVAC diagnostics and repair, ensuring best-practice service on all major heating and cooling systems.
Code-Compliant Repairs in Los Angeles
Every repair and installation we perform is carried out in accordance with California Title 24 energy codes and Los Angeles municipal building requirements, protecting your home and investment.
Energy-Efficient Solutions
We specialize in recommending and installing ENERGY STAR-qualified HVAC equipment, helping Los Angeles homeowners reduce energy consumption and qualify for available utility rebates.
Our Service Guarantee
Satisfaction Guarantee
At HVAC Proz, your comfort is our commitment. If you're not fully satisfied with the quality of our work, we'll return promptly to make it right — no hassle, no extra charge.
Upfront, Transparent Pricing
We provide honest, detailed estimates before any work begins. No hidden fees, no surprise charges — just straightforward pricing you can trust from a team that respects your budget.
On-Time Service Promise
We value your time. HVAC Proz commits to arriving within your scheduled service window, 7 days a week from 8:00 AM to 6:00 PM. If we're late, we'll make it up to you.
Real Results
Before & After Gallery
See the difference professional hvac service makes.
BeforeAfter
Project 1
Professional hvac transformation — before and after.
BeforeAfter
Project 2
Professional hvac transformation — before and after.
BeforeAfter
Project 3
Professional hvac transformation — before and after.
BeforeAfter
Project 4
Professional hvac transformation — before and after.
Stay Ahead of the Season. Book Your Inspection Now.
Los Angeles homeowners who plan ahead avoid peak-season failures, cost spikes, and compressed scheduling. Reserve your pre-season inspection date with HVAC Proz and enter every season with confidence.