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Engineered for Comfort.
Built onTrust.
HVAC Solutions. We are Expert System installation, diagnostic & repair, and preventive maintenance of heating and cooling systems for homes and businesses across Atlanta. Certified technicians. Transparent pricing. No surprises.
Save on Your HVAC System
Financing, flat-rate pricing, and stackable coupons for repair, maintenance, and system replacement.
0%
Financing Available
Interest rates as low as 0% APR on qualifying installations and replacements.
15%
Member Discount
15% off every purchase for customers enrolled in the membership plan.
$79
Summer Tune-Up
Complete “Summer Tune-Up” service to get your system ready for the heat.
$69
Diagnostic Fee
A technical diagnostic visit to identify what’s wrong with your equipment.
The Problem
The HVAC market is full of guesswork
and it costs you twice.
Metro Atlanta is saturated with informal contractors who "eyeball" equipment sizing, skip the paperwork, and disappear after the invoice clears. The result: oversized systems that waste electricity, undersized ones that never keep up, and repair bills nobody can explain.
Our Answer
Engineered for Comfort.
Built on Trust.
Westmark replaces guesswork with real thermal load calculations, itemized quotes, and certified technicians. The price we quote is the price you pay — every time. That's how we've built a 5.0-star reputation across Metro Atlanta. Real engineered for comfort in your place.
Full-Spectrum HVAC Services
From first install to long-term maintenance | precision engineered for comfort in your place.
Preventive Maintenance
Deep cleanings and calibrations that cut energy waste by up to 30% and prevent costly breakdowns before they happen.
Request Quote →Diagnostic & Repair
Advanced diagnostic equipment pinpoints the exact fault. Your visit fee is 100% credited if you proceed with the repair.
Call for Services →System Installation
Air Conditioning. Split, multi-split, and central system installs — done right with proper line evacuation and startup commissioning.
Call for Services →Special Projects (VRF & Chillers)
HVAC Solutions. Engineering-grade design and install for VRF systems, chillers, and air handling units. Free quote after site survey.
Call for Services →Indoor Air Quality
Filtration and fresh-air renewal systems that keep the air you breathe clean and free of pathogens.
Call for Services →Energy Optimization
Engineered for comfort in your place. Precision load calculations and calibration that lower your electric bill without sacrificing comfort.
Call for Services →
Your home deserves a system that works perfectly.
HVAC Solutions. From Split and Multi-Split systems (air conditioning) to smart climate control and air purification, we deliver customized residential solutions sized precisely to your home’s thermal needs.
Annual Service Policies for Residentials Clients
Multi-unit contracts with priority 24/7 emergency response. Custom-quoted based on the number of units you operate — avoid costly downtime before it happens.
What Atlanta says about us.
Also tech is sending me follow up information for maintenance program and other items I asked about.
Highly recommend them!
The work was perfect; the quality and care they put into the installation/repair were evident. They arrived on time, worked in an organized manner, and left everything clean when they finished.
It was definitely a very good experience, and I would recommend them to anyone who needs air conditioning service. Excellent work and great customer service!
Everything was well organized, and you can tell they value both quality and customer satisfaction. I appreciated how efficient they were while still making sure I was comfortable and informed.
I highly recommend HVC to anyone looking for reliable service and a positive overall experience. Definitely a place I trust and will continue to visit!
Simple, transparent,
five steps.
Contact
Reach out by phone, WhatsApp, email, or our website — tell us what you need.
Diagnosis
We run an on-site or virtual technical visit to assess your space and system.
Proposal
You get a clear, itemized quote in under 24 hours. No surprises.
Execution
Our team gets to work under strict cleanliness and safety standards.
Follow-Up
We confirm everything runs perfectly and remind you of your next maintenance date.
Our service units are fully equipped to reach your property quickly, wherever you are in the metro area. Large commercial and industrial projects are covered statewide across Georgia.
Atlanta Central
Downtown Atlanta, Midtown, Buckhead, Decatur
North / Northwest
Sandy Springs, Alpharetta, Roswell, Dunwoody, Chamblee, Marietta, Smyrna,
Kennesaw, Powder Springs
East / Northeast
Duluth, Lawrenceville, Norcross
South
Peachtree City
We aim to provide superior HVAC services that prioritize quality and client satisfaction in every interaction.
Four reasons Atlanta trusts us with their comfort.
Engineering, Not Guesswork
We calculate exact thermal load for every space — the right equipment size, every time. No wasted energy, no undersized systems.
Certified & Insured Technicians
Fully certified in Inverter, VRF, and eco-friendly refrigerant technologies, with every safety credential required in Georgia.
Total Price Transparency
Detailed quotes that break down parts, labor, and timelines. The price we quote is the price you pay. No hidden fees, ever.
Built for Sustainability
Low-impact refrigerants and efficient technology that shrink your carbon footprint and your electric bill.
Ready to fix your comfort for good?
Address
4000 Fambrough Dr #2, Powder Springs, GA 30127, United States
Hours
Mon–Fri: 9:00 AM – 6:00 PM · Sat: 9:00 AM – 1:00 PM
24/7 Emergency Service Available
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Get in touch with the Westmark HVAC Services team for inquiries, quotes, or assistance with your heating and air conditioning needs.
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What Our Clients Are Saying
Westmark HVAC Services transformed my home! Their team was prompt, professional, and the workmanship was exceptional. Highly recommend them!
Our business greatly benefited from their service. Reliable and efficient, Westmark HVAC Services made the installation a breeze. Couldn’t be happier!
Apply for your promotional financing now
With promotional financing from WESTMARK HVAC SERVICES, major purchases don’t have to wait. Get what you want now and pay over time.
- Experienced Team
- Customer Focused
- Quality Assurance
Air Conditioning Installation
Professional installation of energy-efficient air conditioning systems
Heating System Repair
Routine Maintenance
Comprehensive maintenance services to ensure the longevity of your HVAC systems.
